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| varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series description the la series of transient voltage surge suppressors are radial leaded v aristors (movs) that are designed to be operated continuously across ac power lines. these ul recognized varistors require very little mounting space, and are offered in various standard lead form options. the la series varistors are available in four model sizes: 7mm, 10mm, 14mm and 20mm; and have a v m(ac)rms voltage range from 130v to 1000v, and an energy absorption capability up to 360j. some la series model numbers are available with clamping voltage selections, designated by a model number suf?x of either a or b. the 'a' selection is the standard model; the 'b' selection provides a lower clamping voltage. see la series device ratings and speci?cations table for part number and brand information. features t - f b e o g s f f
) b m p h f o ' s f f b o e 3 p ) 4 compliant. t & o f s h z b c t p s q u j p o capability (w tm ) up to 360j t 8 j e f p q f s b u j o h voltage range v m(ac)rms 130v to 1000v t / p e f s b u j o h v q u p 85oc ambient t " w b j m b c m f j o u b q f b o e reel or bulk pack agency approvals absolute maximum ratings t ' p s s b u j o h t p g j o e j w j e v b m n f n c f s t p g b t f s j f t
t f f % f w j d f 3 b u j o h t b o e 4 q f d j m d b u j p o t d i b s u agency agency file number &
&
& - 3 continuous la series units steady state applied voltage: ac voltage range (v m(ac)rms ) 130 to 1000 v dc voltage range (v m(dc) ) 175 to 1200 v transients: peak pulse current (i tm ) for 8/20 s current wave (see figure 2) 1200 to 6500 a 4 j o h m f 1 v m t f & o f s h z 3 b o h f for 10/1000 s current wave (w tm ) 11 to 360 j operating ambient temperature range (t a ) u p o c storage temperature range (t stg ) u p o c temperature coef?cient (a v ) of clamping voltage (v c ) at speci?ed test current <0.01 %/ o c ) j 1 p u & o d b q t v m b u j p o $ 0 " 5 * / ( * t p m b u j p o 7 p m u b h f $ b q b c j m j u z % j f m f d u s j d n v t u x j u i t u b o e j o e j d b u f e % $ w p m u b h f g p s p o f n j o v u f q f s . * - 4 5 % . f u i p e 2500 v $ 0 " 5 * / ( * o t v m b u j p o 3 f t j t u b o d f 1000 m caution: stresses above those listed in absolute maximum ratings may cause permanent damage to the device. this is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this speci?cation is not implied. la varistor series rohs varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series ratings & speci?cations part number branding model size disc dia. (mm) maximum rating (85c) speci?cations (25c) continuous transient varistor voltage at 1ma dc test current maximum clamping voltage 8 x 20 s typical capaci- tance f = 1mhz v rms v dc energy 10 x 1000 s peak current 8 x 20s v m(ac) v m(dc) w tm i tm v / 0 . min v / 0 . max v c i pk c (v) (v) (j) (a) (v) (v) (v) (a) (pf) v130la1p p1301 7 130 175 11 1200 184 255 10 180 v130la2p p1302 7 130 175 11 1200 184 228 340 10 180 v130la5p p1305 10 130 175 20 2500 184 228 340 25 450 v130la10ap p130l10 14 130 175 38 4500 184 228 340 50 1000 v130la20ap p130l20 20 130 175 70 6500 184 228 340 100 v130la20bp p130l20b 20 130 175 70 6500 184 220 325 100 v140la2p p1402 7 140 180 12 1200 242 360 10 160 v140la5p p1405 10 140 180 22 2500 242 360 25 400 v140la10ap p140l10 14 140 180 42 4500 242 360 50 v140la20ap p140l20 20 140 180 75 6500 242 340 100 1750 v150la1p p1501 7 150 200 13 1200 212 284 430 10 150 v150la2p p1502 7 150 200 13 1200 212 268 10 150 v150la5p p1505 10 150 200 25 2500 212 268 25 360 v150la10ap p150l10 14 150 200 45 4500 212 268 50 800 v150la20ap p150l20 20 150 200 80 6500 212 268 100 1600 v150la20bp p150l20b 20 150 200 80 6500 212 243 360 100 1600 v175la2p p1752 7 175 225 15 1200 247 303 455 10 130 v175la5p p1755 10 175 225 30 2500 247 303 455 25 350 v175la10ap p175l10 14 175 225 55 4500 247 303 455 50 700 v175la20ap p175l20 20 175 225 6500 247 303 455 100 1400 v230la4p p2304 7 230 300 20 1200 324 10 100 v230la10p p230l 10 230 300 35 2500 324 25 250 v230la20ap p230l20 14 230 300 70 4500 324 50 550 v230la40ap p230l40 20 230 300 122 6500 324 100 1100 v250la2p p2502 7 250 330 21 1200 354 473 730 10 v250la4p p2504 7 250 330 21 1200 354 650 10 V250LA10P p250l 10 250 330 40 2500 354 650 25 220 v250la20ap p250l20 14 250 330 72 4500 354 650 50 500 v250la40ap p250l40 20 250 330 130 6500 354 650 100 1000 v250la40bp p250l40b 20 250 330 130 6500 354 413 620 100 1000 v275la2p p2752 7 275 23 1200 515 775 10 80 v275la4p p2754 7 275 23 1200 473 710 10 80 v275la10p p275l 10 275 45 2500 473 710 25 200 v275la20ap p275l20 14 275 75 4500 473 710 50 450 v275la40ap p275l40 20 275 140 6500 473 710 100 v275la40bp p275l40b 20 275 140 6500 453 680 100 v300la2p p3002 7 300 405 25 1200 420 565 870 10 70 v300la4p p3004 7 300 405 25 1200 420 517 775 10 70 v300la10p p300l 10 300 405 46 2500 420 517 775 25 180 v300la20ap p300l20 14 300 405 77 4500 420 517 775 50 400 v300la40ap p300l40 20 300 405 165 6500 420 517 775 100 800 v320la7p p3207 7 320 420 25 1200 462 565 850 10 65 v320la10p p320l 10 320 420 48 2500 462 565 850 25 170 v320la20ap p320l20 14 320 420 80 4500 462 565 850 50 380 v320la40bp p320l40 20 320 420 150 6500 462 540 810 100 750 v385la7p p3857 7 385 505 27 1200 558 682 1025 10 60 v385la10p p385l 10 385 505 51 2500 558 682 1025 25 160 v385la20ap p385l20 14 385 505 85 4500 558 682 1025 50 360 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series part number branding model size disc dia. (mm) maximum rating (85c) speci?cations (25c) continuous transient varistor voltage at 1ma dc test current maximum clamping voltage 8 x 20 s typical capaci- tance f = 1mhz v rms v dc energy 10 x 1000 s peak current 8 x 20s v m(ac) v m(dc) w tm i tm v / 0 . min v / 0 . max v c i pk c (v) (v) (j) (a) (v) (v) (v) (a) (pf) v385la40bp p385l40 20 385 505 160 6500 558 682 1025 100 700 v420la7p p4207 7 420 560 30 1200 610 748 1120 10 55 v420la10p p420l 10 420 560 55 2500 610 748 1120 25 140 v420la20ap p420l20 14 420 560 4500 610 748 1120 50 300 v420la40bp p420l40 20 420 560 160 6500 610 720 1060 100 600 v460la7p p4607 7 460 615 37 1200 640 10 55 v460la10p p460l 10 460 615 56 2500 640 25 120 v460la20ap p460l20 14 460 615 100 4500 640 50 280 v460la40bp p460l40 20 460 615 170 6500 640 756 1110 100 560 v480la7p p4807 7 480 640 35 1200 670 825 1240 10 50 v480la10p p480l 10 480 640 60 2500 670 825 1240 25 120 v480la40ap p480l40 14 480 640 105 4500 670 825 1240 50 270 v480la80bp p480l80 20 480 640 180 6500 670 1160 100 550 v510la10p p510l 10 510 675 63 2500 735 1350 25 100 v510la40ap p510l40 14 510 675 110 4500 735 1350 50 250 v510la80bp p510l80 20 510 675 6500 735 860 1280 100 500 v575la10p p575l 10 575 730 65 2500 805 1000 1500 25 v575la40ap p575l40 14 575 730 120 4500 805 1000 1500 50 220 v575la80bp p575l80 20 575 730 220 6500 805 1410 100 450 v625la10p p625l 10 625 825 67 2500 1100 1650 25 80 v625la40ap p625l40 14 625 825 125 4500 1100 1650 50 210 v625la80bp p625l80 20 625 825 230 6500 1100 1650 100 425 v680la10p p680l 10 680 875 75 2500 1240 1875 25 65 v680la80ap p680l80 14 680 875 145 4500 1240 1875 50 v680la100bp p680l100 20 680 875 260 6500 1130 1700 100 380 v660la10p p660l 10 660 850 70 2500 1210 1820 25 70 v660la50ap p660l50 14 660 850 140 4500 1210 1820 50 200 v660la100bp p660l100 20 660 850 250 6500 1100 1650 100 400 v1000la80ap p1000l8 14 1000 1200 220 4500 1425 1800 2700 50 130 v1000la160bp p1000l16 20 1000 1200 360 6500 1425 1600 2420 100 250 la series ratings & speci?cations (continued...) / 0 5 & " w f s b h f q p x f s e j t t j q b u j p o p g u s b o t j f o u t o p u u p f y d f f e 8 8 8 p s 8 g p s n p e f m t j [ f t n n n n n n b o e n n s f t q f d u j w f m z phenolic coating option -- la series varistors for hi-temperature operating conditions: t 1 i f o p m j d o d p b u f e - " 4 f s j f t e f w j d f t b s f b w b j m b c m f x j u i j n q s p w f e n b y j n v n p q f s b u j o h n b y j n v n u f n q f s b u v s f ? $ t 5 i f t f e f w j d f t b m t p i b w f j n q s p w f e u f n q f s b u v s f d z d m j o h q f s g p s n b o d f d b q b c j m j u z t 3 b u j o h t b o e 4 q f d j m d b u j p o t b s f b t q f s t u b o e b s e - " 4 f s j f t f y d f q u ) j o 1 p u & o d b q t v m b u j p o * t p m b u j p o 7 p m u b h f $ b q b c j m j u z 7 t 5 i f t f e f w j d f t b s f o p u 6 - $ 4 " 7 % & p s $ & $ $ d f s u j m f e t 5 p p s e f s b e e 9 u p f o e p g q b s u o v n c f s f h v230la20apx1347) t 1 s p e v d u n b s l j o h lf 9 p230p20 yyww phenolic coated option identi?er lead-free, halogen-free & rohs compliant indicator varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. should transients occur in rapid succession, the average q p x f s e j t t j q b u j p o j t u i f f o f s h z x b u u t f d p o e t q f s q v m t f times the number of pulses per second. the power so developed must be within the speci?cations shown on the device ratings and speci?cations table for the speci?c current energy and power dissipation ratings peak pulse current test waveform 100 90 50 10 o 1 t t 1 t 2 time percent of peak value 0 1 7 j s u v b m 0 s j h j o p g 8 b w f 5 5 j n f g s p n u p p g 1 f b l t 1 3 j t f 5 j n f y 5 t 2 % f d b z 5 j n f example ' p s b o s current waveform: 8 t 5 1 3 j t f 5 j n f 20 t 5 2 % f d b z 5 j n f 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 ambient temperature ( o c) percent of rated value figure 1a - power derating for epoxy coated figure 2 100 90 80 70 60 50 40 30 20 10 0 -55 50 60 70 80 90 100 110 120 130 140 150 ambient temperature ( o c) percent of rated value device. the operating values of a mov need to be derated at high temperatures as shown above. because varistors only dissipate a relatively small amount of average power they are not suitable for repetitive applications that involve substantial amounts of average power dissipation. figure 1b - power derating for phenolic coated varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 2,000 10 3 v150la1(p) v130la1(p) v300la2(p) v275la2(p) v250la2(p) maximum clamping voltage model size 7mm 130 to 300v m(ac) rating t a = -55 o c to 85 o c v130la1(p) - v300la2(p) maximum clamping voltage model size 7mm t a = -55 o c to 85 o c 320 to 480v m(ac) rating v420la7 (p) v385la7 (p) v320la7 (p) v460la7 (p) v480la7 (p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 peak amperes (a) maximum peak volts (v) v320la7(p) - v480la7(p) maximum clamping voltage for 7mm parts v130la2(p) - v300la4(p) 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 10 3 4,000 3,000 2,000 1,000 900 800 700 600 500 400 300 200 100 maximum clamping voltage model size 7mm 130 to 300v m(ac) rating t a = -55 o c to 85 o c v300la4(p) v275la4(p) v250la4(p) v230la4(p) v130la2(p) v140la2(p) v150la2(p) v175la2(p) transient v-i characteristics curves pulse rating curves 2,000 1,000 200 100 50 20 10 5 1 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 10 2 10 4 10 5 10 6 model size 7mm v130la1(p) - v480la7(p) 10 3 indefinite repetitive surge capability for 7mm parts v130la1(p) - v480la7(p) figure 3 figure 4 figure 5 figure 6 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 10 3 5,000 3,000 2,000 1,000 500 v575la10(p) v510la10(p) v480la10(p)/ v460la10(p) v385la10(p) v300la10(p) v320la10(p) peak amperes (a) v625la10(p) v660la10(p) maximum clamping voltage model size 10mm t a = -55 o c to 85 o c 300 to 680v m(ac) rating maximum peak volts (v) v680la10(p) maximum clamping voltage for 10mm parts v300la10(p) - v680la10(p) transient v-i characteristics curves (continued...) v130la5(p) - v420la10(p) 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 2,000 10 3 v275la10(p) v250la10(p) maximum clamping voltage model size 10mm 130 to 420v m(ac) rating t a = -55 o c to 85 o c v230la10(p) v420la10(p) v175la5(p) v130la5(p) v140la5(p) v150la5(p) repetitive surge capability for 10mm parts v130la5(p) - v680la10(p) 5,000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 10mm v130la5(p) - v680la10(p) 10 3 indefinite 1,000 10 2 pulse rating curves (continued...) figure 7 figure 9 figure 8 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series maximum clamping voltage for 14mm parts v130la10a(p) - v320la20a 200 6,000 5,000 4,000 3,000 1,000 900 800 700 600 500 400 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 2,000 10 3 v275la20a(p) v250la20a(p) maximum clamping voltage model size 14mm 130 to 320v m(ac) rating t a = -55 o c to 85 o c v230la20a(p) v175la10a(p) v130la10a(p) v140la10a(p) v150la10a(p) v320la20a(p) v300la20a(p) 5,000 3,000 1,000 500 300 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 2,000 10 3 10 -4 v1000la80a(p) v660la50a(p) maximum clamping voltage model size 14mm 385 to 1000v m(ac) rating t a = -55 o c to 85 o c 700 v625la40a(p) v680la80a(p) v575la40a(p) v510la40a(p) v480la40a(p)/v460la20a(p) v420la20a(p) v385la20a(p) v385la20a(p) v1000la80a(p) transient v-i characteristics curves (continued...) repetitive surge capability for 14mm parts v130la10a(p) - v320la20a(p) 5,000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 14mm v130la10a(p) - v320la20a(p) 10 3 indefinite 1,000 10 2 v385la20a(p) - v1000la80a(p) 5 , 000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 10 4 10 5 10 6 model size 14mm v385la20a(p) - v1000la80a(p) 10 3 indefinite 1,000 10 2 pulse rating curves (continued...) figure 10 figure 11 figure 12 figure 13 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. maximum clamping voltage for 20mm parts 5,000 3,000 1,000 500 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 2,000 10 3 v625la80b(p) v660la100b(p) v1000la160b(p) maximum clamping voltage model size 20mm 300 to 1000v m(ac) rating t a = -55 o c to 85 o c v575la80b(p) v510la80b(p) v480la80b(p)/ v460la40b(p) v680la100b(p) v420la40b(p) v385la40b(p) v320la40b(p) v300la40a(p) v300la40a - v1000la160b transient v-i characteristics curves (continued...) repetitive surge capability for 20mm parts v130la20a(p) - v320la40b(p) 10,000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v130la20a(p) - v320la40b(p) 10 3 indefinite 1,000 10 2 10 5,000 1 pulse rating curves (continued...) v385la40b(p) - v1000la160b(p) 10,000 2,000 200 100 50 20 10 5 2 500 20 100 1,000 10,000 impulse duration ( s) surge current (a) 1 2 10 4 10 5 10 6 model size 20mm v385la40b(p) - v1000la160b(p) 10 3 indefinite 1,000 10 2 10 5,000 1 / 0 5 & * g q v m t f s b u j o h t b s f f y d f f e f e b t i j g u p g 7 / % $ b u t q f d j m f e d v s s f o u p g n p s f u i b o d p v m e s f t v m u 5 i j t u z q f p g t i j g u x i j d i o p s n b m m z s f t v m u t j o b e f d s f b t f p g 7 / % $ , may result in the device not meeting the original published speci?cations, but does not prevent the device from continuing to function, and to provide ample protection. v130la20a(p) - v275la40a(p) 3,000 2,000 500 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 1,000 10 3 maximum clamping voltage model size 20mm 140 to 230v m(ac) rating t a = -55 o c to 85 o c 300 v140la20a(p) v230la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 10 3 v275la40b(p) v250la40b(p) v130la20b(p) v150la20b(p) maximum clamping voltage model size 20mm 130 to 275v m(ac) rating t a = -55 o c to 85 o c v130la20b(p) - v275la40(p) v130la20a(p) - v275la40a(p) 3,000 2,000 1,000 900 800 700 600 500 400 300 200 10 -3 10 -2 10 -1 10 0 10 1 10 2 10 4 maximum peak volts (v) peak amperes (a) 10 3 v275la40a(p) v250la40a(p) v150la20a(p) v130la20a(p) v175la20a(p) maximum clamping voltage model size 20mm 130 to 275v m(ac) rating t a = -55 o c to 85 o c figure 14 figure 15 figure 16 figure 17 figure 18 figure 19 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series wave solder pro?le operating ambient temperature range ? $ u p ? $ storage temperature range ? $ u p ? $ humidity aging ? $ 3 ) i p v s t u z q j d b m w p m u b h f d i b o h f thermal shock ? $ u p ? $ u j n f t u z q j d b m w p m u b h f d i b o h f solvent resistance . * - o 4 5 % o . f u i p e ' moisture sensitivity - f w f m + o 4 5 % o $ lead material 5 j o o $ p b u f e $ p q q f s 8 j s f soldering characteristics 4 p m e f s b c j m j u z q f s . * - o 4 5 % o . f u i p e & insulating material cured, ?ame retardant epoxy polymer n f f u t 6 - 7 o s f r v j s f n f o u t device labeling marked with lf, voltage, ul/csa logos, and date code physical speci?cations environmental speci?cations 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature (oc) maximum wave 240c leadCfree pro?le 0 50 100 150 200 250 300 00.511.522.533.54 time(minutes) temperature (oc) maximum wave 260c non leadCfree pro?le figure 20 figure 21 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. product dimensions (mm) dimension v rms voltage model 7mm size 10mm size 14mm size 20mm size min. mm (in) max. mm (in) min. mm (in) max. mm (in) min. mm (in) max. mm (in) min. mm (in) max. mm (in) a 7 - " v320la 12 (0.472) 16 (0.630) 20 (0.787) 26.5 (1.043) 7 - " v1000la 13 (0.0512) 20.5 (0.807) 28 (1.102) ?d all e all 4 (0.157) 6 (0.236) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) 8.5 (0.335) 6.5 (0.256) / p u f 8.5 / p u f e 1 7 - " v320la 3.5 (0.138) 3.5 (0.138) 3.5 (0.138) 3.5 (0.138) 7 - " v1000la 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) 5.5 (0.217) e 7 - " v320la 5.6 (0.220) 5.6 (0.220) 5.6 (0.220) 5.6 (0.220) 7 - " v510la 7.3 (0.287) 7.3 (0.287) 7.3 (0.287) 7.3 (0.287) 7 - " v680la 8.3 (0.327) 8.3 (0.327) 8.3 (0.327) 8.3 (0.327) v1000la 10.8 (0.425) 10.8 (0.425) ?b all / p u f 0.585 (0.023) 0.685 (0.027) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) 0.86 (0.034) 0.76 (0.030) / p u f 0.86 (0.034) / p u f a trim all 22.5 (0.886) / 0 5 & l trim all * seating plane l trim a trim / p u f t 1. dimensions in millimeters, (inches) in parentheses. n n n n . j o n n . b y " - 4 0 " 7 " * - " # - & t f f b e e j u j p o b m m f b e t u z m f p q u j p o t 7 q b s u t t v q q m j f e x j u i m f b e x j s f p g e j b n f u f s h " h . b y g p s 7 - $ " 1 w crimped and trimmed lead crimped leads are standard on la types supplied in tape and reel and are denoted by the model letter "t." model letter "s" denotes t u s b j h i u m f b e t b o e m f u u f s 6 e f o p u f t t q f d j b m v o e f s d s j n q f e m f b e t 4 f b u j o h q m b o f j o u f s q s f u b u j p o q f s * & $ varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series tape and reel speci?cations $ 3 * . 1 & % - & " % 4 - 5 $ 3 * . 1 & % - & " % 4 - 5 p1 p1 w0 e dp dh dh w1 w f t w2 p dp c db h 0 dd0 h 1 seating plane p2 p1 p0 p2 dh e dh dp w1 w f t w2w0 p dp db h dd0 h 1 p0 dh e dh dp w1 w f t w2 p dp db h dd0 h 1 p1 p2 w0 6 / % & 3 $ 3 * . 1 & % - & " % 4 - 6 6 / % & 3 $ 3 * . 1 & % - & " % 4 - 6 u p1 p0 p2 dh e dh dp w1 w f t w2w0 p dp db ho dd0 h 1 p0 u dh e dh dp w1 w f t w2 p dp db ho dd0 h 1 p2 w0 p1 7mm devices 10, 14 and 20mm devices 4 5 3 " * ( ) 5 - & " % 4 - 4 4 5 3 " * ( ) 5 - & " % 4 - 4 p1 p0 e dp dh dh w1 w f t w2w0 p dp c db h 0 dd0 h 1 seating plane p2 (dimensions presented on following page.) varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. symbol description model size 7mm 10mm 14mm 20mm p pitc h of component p 0 ' f f e ) p m f 1 j u d i p 1 ' f f e ) p m f $ f o u f s u p 1 j u d i p 2 ) p m f $ f o u f s u p $ p n q p o f o u $ f o u f s f lead to lead distance h component alignment 2.0 max 2.0 max 2.0 max 2.0 max w tape width w 0 ) p m e % p x o 5 b q f 8 j e u i w 1 ) p m f 1 p t j u j p o w 2 ) p m e % p x o 5 b q f 1 p t j u j p o 0.5 max 0.5 max 0.5 max 0.5 max h ) f j h i u g s p n 5 b q f $ f o u f s u p component base h 0 4 f b u j o h 1 m b o f ) f j h i u h 1 $ p n q p o f o u ) f j h i u 32.0 max 36.0 max 40.0 max 46.5 max d 0 ' f f e ) p m f % j b n f u f s t total tape thickness u 6 o e f s d s j n q 8 j e u i 8.0 max 8.0 max 8.0 max 8.0 max p component alignment ? . b y n n ? . b y n n ? . b y n n ? . b y tape and reel speci?cations (continued) / 0 5 & % j n f o t j p o t b s f j o n n t $ p o g p s n t u p " / 4 * b o e & * " t q f d j m d b u j p o t t $ b o c f t v q q m j f e u p * & $ 1 v c m j d b u j p o t 3 b e j b m e f w j d f t p o u b q f b s f t v q q m j f e x j u i d s j n q f e m f b e t t u s b j h i u m f b e t p s v o e f s d s j n q f e m f b e t t n n q b s u t b s f b w b j m b c m f p o u b q f b o e s f f m v q u p 7 " $ p o m z t n n q b s u t b s f b w b j m b c m f p o u b q f b o e s f f m v q u p 7 " $ p o m z t n n b o e n n q b s u t b s f b w b j m b c m f p o u b q f b o e s f f m v q u p 7 " $ p o m z standard bulk pack quantity varistor voltage model standard bulk pack quantity varistor model size 7mm 10mm 14mm 20mm 1 500 1000 700 500 1500 1000 600 400 1500 1000 500 400 660 / " 1000 500 400 680 / " 1000 400 300 1000 / " / " 300 200 varistor products ?2012 littelfuse, inc. revision: february 9, 2012 la varistor series radial lead varistors > la series speci?cations are subject to change without notice. please refer to www.littelfuse.com/series/la.html for current information. la series part numbering system xx for varistor v m(ac) (three or four digits -- 130v to 1,000v) v xxxx la x relative energy indicator (one or two digits) clamp voltage variant (one digit, where applicable) lead-free, halogen-free and rohs compliant indicator p see options codes notes below xxxxx option codes (see notes below) base part codes (see ratings & speci?cations tables and notes below) series + packaging / lead style designator (see base part codes notes below) la = bulk pack / straight leads (standard) lc = bulk pack / crimped and trimmed leads ls = tape and reel / straight leads lt = tape and reel / crimped leads lu = tape and reel / under-crimped leads ordering notes: series + packaging / lead style designators: ordering examples: straight lead bulk pack (standard) straight lead tape & reel crimped lead tape & reel crimped & trimmed lead bulk pack under- crimp lead tape & reel v130 la2p v1 30ls 2p v130lt 2p v130 lc 2p v130lu2p standard model order as v130la20ap v130la20ap x1 0 x1347: ) j 5 f n q f s b u v s f q i f o p m j d d p b u j o h p q u j p o phenolic coated la series devices are available with improved n b y j n v n p q f s b u j o h n b y j n v n u f n q f s b u v s f p g ? $ 5 p p s e f s b e e 9 u p f o e p g q b s u o v n c f s & y b n q m f 7 - " " 1 x1347). for additional information please refer to the section labeled "phenolic coating option" on the third page of this document v o e f s u i f & m f d u s j d b m $ i b s b d u f s j t u j d t u b c m f crimped leads are standard on la series varistors supplied in tape and reel, denoted with "lt." for crimped leads without trimming and any varitions other than that described above, please contact littelfuse. for standard parts, use the base part designator only. ' p s q b s u t x j u i o p o t u b o e b s e p q u j p o t t v d i b t b e e j u j p o b m g p s n q b d l b h j o h and lead space options), use base part option code. option code items are subject to availability and minimum order requirements. please contact a littelfuse products representative for additional information or questions base part codes: option codes: standard model order as v130la20ap v130la20ap x2855 x10: n n m f b e t q b d j o h p q u j p o ' p s n n m f b e t q b d j o h b w b j m b c m f p o n n diameter models only), append standard model # " 4 & 1 " 3 5 o v n c f s x j u i 9 & y b n q m f x2855: / j d l f m # b s s j f s d p b u f e x j s f p q u j p o " m m t u b o e b s e q b s u t v t f 5 j o o d p b u f e $ p q q f s x j s f / j d l f m barrier coated wire is available as an option, consisting p g $ p q q f s x j s f x j u i b n b t i j o h p g / j d l f m g p m m p x f e c z a top coating of tin. to order append standard model # " 4 & 1 " 3 5 o v n c f s x j u i 9 & y b n q m f littelfuse la series varistors are shipped standard in bulk pack with straight leads and lead spacing outlined in the package dimensions section of this data sheet. contact your littelfuse t b m f t s f q s f t f o u b u j w f u p e j t d v t t o p o t u b o e b s e p q u j p o t |
Price & Availability of V250LA10P
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