1 2 3 4 5 6 9 8 7 sm-42/43 o 3 p ) 4 d p n q m j b o u o ' j o f b e k v t u n f o u j t b w b j m b c m f o " v u p n b u j d n p v o u j o h j t b w b j m b c m f 5 b q j o h
o 3 f g m p x t p m e f s j o h j t b w b j m b c m f o 4 f b m f e d p o t u s v d u j p o 8 b t i b c m f 3 f g f s u p q b h f
features part name material flammability 1 2 3 4 5 6 7 8 9 rotor gear shaft terminal pin electrode base element resistive element housing adhesive wiper polyphenylenesulphide ag-pd cermet ul94v-0 ceramic ruo 2 cermet ul94v-0 internal structure part number designation t please refer to the list of part numbers when placing orders. s m - 4 ? t w 1 0 0 ( 1 0 1 ) series name electrical turn 2 11 turns 3 5 turns form of packaging t taping (reel) blank bulk in plastic bag resistance code resistance value product shape (shape of terminal) w, x top adjustmet a, b side adjustmet epoxy multi metal alloy copper alloy, sn-cu-plated polyamide brass, nickel-plated rohs compliant surface mount cermet trimmers
top adjustment 11 5 side adjustment top adjustment side adjustment pieces in package adjustment position electrical turn shape of terminal form of packaging taping (reel) plastic bag list of part numbers w (j-hook) a b sm-42tw sm-42w sm-42tx sm-42x sm-42ta sm-42a SM-42TB sm-42b sm-43tw sm-43w sm-43tx sm-43x sm-43ta sm-43a sm-43tb sm-43b ta, tb : 500 pcs./reel tw, tx : 250 pcs./reel 50 pcs./pack a nominal resistance values ? electrical characteristics mechanical characteristics environmental characteristics a 10 a 20 50 100 200 500 1 k 2 k 5 k 10 k 20 k 50 k 100 k 200 k 500 k 1 m 2 m fig. 1 the products indicated by a mark are manufactured upon receipt of order basis. t the above part numbers are all available with the respective combination of (fig. 1). t verify the above part numbers when placing orders. t taping specification is not sold separately and must be purchased in reel units. sm-42/43 surface mount trimmers x (gull wing) (j-hook) (gull wing) w (j-hook) a b x (gull wing) (j-hook) (gull wing) reflow profile for soldering heat evaluation ? reflow : two times maximum peak : 250 over 230 c pre heating zone 180 c (c) 250 200 150 100 50 150 c 90 30 s 30 10 s soldering zone heating time temperature c +5 0 soldering heat [ ? r/r ? 1 %] reflow : peak temperature 255 c (please refer to the profile below.) manual soldering 350 10 c, 3 ~ 4 s operating torque mechanical stop rotational life thrust to shaft solderability shear (adhesion) substrate bending pull-off strength 17.6 mnm {180 gfcm} maximum clutch action 200 cycles [ ? r/r ? (3 + 3 %)] 5 n {0.51 kgf} minimum 245 3 c, 2 ~ 3 s 5 n {0.51 kgf} 10 s width 90 mm, bend 3 mm, 5 s, 1 time 5 n {0.51 kgf} 10 s { } reference only nominal resistance range resistance tolerance power ratings resistance law maximum input voltage maximum wiper current effective electrical turn end resistance c.r.v. operating temp. range temp. coefficient insulation resistance dielectric strength net weight 10 ~ 2 m 10 % 0.25 w (85 c) 0 w (150 c) # linear law dc300 v or power rating, whichever is smaller 100 ma or power rating, whichever is smaller 11 turns (sm-42), 5 turns (sm-43) 1 % or 2 , whichever is greater 1 % or 3 , whichever is greater ? 65 ~ 150 c 100 10 -6 /c maximum 100 m minimum (dc500 v) ac600 v, 60 s approx. 0.17 g test item test conditions specifications thermal shock humidity shock vibration load life low temp. operation high temp. exposure immersion seal ? r/r change in total resistance s.s. setting stability ? 65 ~ 150 c (0.5 h), 5 cycles [ ? r/r ? 2 %] [s.s. ? 1 %] ? 10 ~ 65 c (80 ~ 98 %), 10 cycles, 240 h [ ? r/r ? 2 %] 981 m/s 2 , 6 ms 6 directions for 3 times each [ ? r/r ? 1 %] [s.s. ? 1 %] (amplitude) 1.52 mm or (acceleration) 196 m/s 2 , 10 ~ 2000 hz, 3 directions, 12 times each 85 c, 0.25 w, 1000 h [ ? r/r ? 3 % or 3 ] [s.s. ? 2 %] ? 65 c, 2 h [ ? r/r ? 1 %] [s.s. ? 1 %] 150 c, 250 h [ ? r/r ? 2 %] [s.s. ? 1 %] 85 c, 60 s no leaks (no continuous bubbles)
2 00 00 2 2 2 2.3 2.3 2.54 2.54 1.3 1.3 1.3 1.3 4 2 1.3 1.6 1.9 5.2 2.9 5.1 2 1.3 1.6 1.9 nominal resistance values ( ) resistance code maximum input voltage (v) maximum wiper current (ma) maximum input ratings a 10 100 1.00 100 a 20 200 2.00 100 50 500 3.53 70.7 100 101 5.00 50.0 200 201 7.07 35.4 500 501 11.2 22.4 1 k 102 15.8 15.8 2 k 202 22.4 11.2 5 k 502 35.4 7.07 10 k 103 50.0 5.00 20 k 203 70.7 3.54 50 k 503 112 2.24 100 k 104 158 1.58 200 k 204 223 1.12 500 k 504 300 0.60 1 m 105 300 0.30 2 m 205 300 0.15 recommended p.c.b. pad outline dimensions (unit: mm) o sm-42/43a o sm-42/43b o sm-42/43w o sm-42/43x note) the zero point is the center of mounting. the products indicated by a mark are manufactured upon receipt of order basis. sm-42/43 surface mount trimmers
2.54 1 3 2 2 C 0.8 2.6 3.5 3.9 resistance code & production date code 1.3 1.2 4.8 3 C 1 5.1 5.3 3 C 0.9 0.56w 0.5d 1.5, slot 2.54 1 3 2 2 C 0.8 3.5 5.7 1.3 1.2 4.8 3 C 1 5.1 5.3 0.56w 0.5d resistance code & production date code 1.5, slot 2.3 ? ? ? 2 C 0.9 2.6 3.7 resistan ce code & produ ction d ate code 1.3 1.2 4.8 3 C 1 4.6 5 3 C 0.8 0.56w 0.5d 1.5, slot 2.3 1 3 2 2 C 0.9 2.8 3.9 resistance code & production date code 1.3 1.2 4.8 3 C 0.6 4.6 6 0.56w 0.5d 1.5, slot sm-42/43 surface mount trimmers o sm-42/43w o sm-42/43x o sm-42/43a o sm-42/43b cw rotation 1 2 3 t note the terminal position. outline dimensions unless otherwise specified, tolerance : 0.3 (unit : mm)
packaging specifications . b y j n v n o v n c f s p g d p o t f d v u j w f n j t t j o h q j f d f t - f b e f s m f o h u i b o e s f f m e j n f o t j p o b s f t i p x o j o u i f e j b h s b n t c f m p x o 5 b q j o h w f s t j p o 4 . 5 "
5 #
j t q b d l b h f e j o q d t q f s s f f m 0 s e f s t x j m m c f b d d f q u f e g p s v o j u t p g q d t
j f
q d t
f u d 4 . 5 8
5 9 j t q b d l b h f e j o q d t q f s s f f m 0 s e f s t x j m m c f b d d f q u f e g p s v o j u t p g q d t
j f
q d t
f u d o embossed tape dimensions o reel dimensions conforms to jis c 0806-3 ta/tb type : in accordance with eiaj et-7200a (unit: mm) empty filled empty 40 mm min. 20 pitches min. 400 mm min. direction of feed head end 60 +1 0 180 180 (ta/tb) 15.4 1 (ta/tb) 19.5 1 (tw/tx) 21 0.8 13 0.2 2 0.5 17 0.3 (tw, tx) 13 (ta/tb) +1 0 0 C1.5 (tw, tx) 0 C3 o sm-42/43tw/tx o sm-42/43ta/tb 4 0.1 0.5 0.1 5.75 cross section a-a installation example (sm-42w) 1.5 +0.1 0 2 0.1 3 1 2 12 0.1 7.5 0.1 16 +0.3 C0.1 1.75 0.1 a a 4 0.1 1.5 +0.1 0 2 0.1 8 0.1 0.4 0.1 4.5 5.5 0.05 1.75 0.1 12 3 1 2 a a (sm-42a) cross section a-a installation example o 6 o j u p g c v m l j o b q m b t u j d c b h j t q d t q f s q b d l o # p y j o h p g c v m l j o b q m b t u j d c b h j t q f s g p s n f e x j u i q d t q f s c p y sm-42/43 surface mount trimmers
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