sk32b thru sk310b surface mount schottky barrier rectifier reverse voltage - 20 to 100 volts forward current - 3.0 ampere the plastic package carries underwriters laboratory flammability classification 94v-0 for surface mounted applications low reverse leakage built-in strain relief,ideal for automated placement high forward surge current capability high temperature soldering guaranteed: 250 c/10 seconds at terminals fea tures mechanical data metal silicon junction,majority carrier conduction case : jedec smb(do-214aa) molded plastic body t erminals : solder plated , solderable per mil-std-750, method 2026 polarity : color band denotes cathode end mounting position : any w eight :0.005 ounce, 0.138 grams characteri s t i c s y m bol p eak repet i t i v e revers e v o l t age w o rki ng p e a k revers e v o l t age dc b l ock i ng v o l t age v rrm v r w m v r 2 0 3 0 4 0 5 0 6 0 8 0 9 0 100 v r m s revers e v o l t age v r ( r m s ) 1 4 2 1 2 8 3 5 4 2 5 6 6 4 7 1 v a v erage rec t i f i ed o u t put current @ t l = 75 c i o 3 . 0 a non-repet i t i v e p eak forw ard s urge current 8 . 3 m s s i ngl e hal f s i ne-w a ve s uperi m p o s ed o n rat ed l oad (je d e c m e t hod) i f s m 7 0 a forward v o l t age @ i f = 3 . 0 a v f m 0 . 5 0 0 . 7 0 0 . 8 5 v p eak revers e current @ t a = 25 c a t rat e d dc b l ock i ng v o l t age @ t a = 100 c i r m 0 . 5 1 0 m a t y p i c a l ther m a l res i s t a n c e (not e 1 ) r jl r ja 17 7 5 c / w operat i ng t e m perat ure range t j -65 to +125 c s t orage t e m perat ure range t s t g -65 to +150 c not e : 1 . m ount ed on p . c . b oard w i t h 5 . 0 m m 2 c opper pad area. m aximum r a t ings and el ect r i cal c ha r act eri s t i c s @t a = 2 5 c unl e ss o t her w i s e s p e c i f i e d uni t dimensions in inches and (millimeters) smb ( do-214aa ) .0 3 0( 0 .7 6 ) .0 6 0( 1 .52) .0 9 6( 2 .4 4 ) . 0 84 ( 2. 1 3) . 2 0 0 (5. 0 8) . 2 20 ( 5.5 9 ) .0 0 8( . 20 3 ) . 0 02 ( .05 1 ) . 0 06 ( .15 2 ) .0 1 2(. 3 0 5 ) .1 6 0( 4 .06) . 18 5 (4. 7 0) . 1 30( 3 .3 0 ) .1 5 5( 3 .94) .08 3 (2. 1 1) .0 7 5( 1 .91) s k32b s k33b s k34b s k35b s k36b s k38b s k39b s k310b
sk32b thru sk310b ra tings and characteristic cu r ves fig. 1- maximum for w ard current dera ting cur ve fig. 2- maximum non-repetitive peak for w ard current surge fig. 3- typical for w ard characteristics fig. 4- typical reverse characteristics fig. 5- typical junction cap acit ance r o f e g a r e v a t n e r r u c d r a w ) a ( . r o f k a e p t n e r r u c e g r u s d r a w ) a ( . r o f s u o e n a t n a t s n i t n e r r u c d r a w ) a ( . t n e r r u c e s r e v e r s u o e n a t n a t s n i ) a m ( . p a c n o i t c n u j ) f p ( . e c n a t i c a lead temp era ture.( c) o number of cycles a t 60hz for w ard vol t age.(v) percent of ra ted peak reverse vol t age.(%) reverse vol t age.(v) t, pulse dura tion, (sec) 50 60 70 80 90 100 1 10 120 130 140 150 160 0 1.0 2.0 3.0 1 0 10 100 30 60 90 120 150 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.5 0.01 0.1 1 10 40 0 20 40 60 80 100 120 140 0.001 0.01 0.1 1 10 20 0.1 10 1 10 100 100 1000 0.01 0.1 0.1 1 10 100 resistive or inductiveload pcb mounted on 0.4x0.4" (10x10mm)copper p ad areas pulse width=300 s 1% duty cycle tj=125 o c tj=75 o c tj=25 c o tj=25 c f=1.0mhz vsig=50mvp-p o t n e i c s n a r t l a m r e h t , e c n a d e p m i w / c o 1 10 100 a t ra ted tl 8.3ms single half sine w ave jedec method b 0 1 3 k s - b 5 3 k s b 4 3 k s - b 2 3 k s b 6 3 k s - b 2 3 k s b 0 1 3 k s - b 9 3 k s b 0 1 3 k s - b 9 3 k s b 6 3 k s - b 5 3 k s b 4 3 k s - b 2 3 k s sk32b-sk34b sk39b-sk310b SK35B-sk36b tj=25 o c tj=125 o c tj=125 c o sk32b-sk34b sk39b-sk310b SK35B-sk36b fig.6- typical transient thermal characteristics
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