glass passivated super fast rectifier voltage range 50 to 600 volts current 5.0 amperes maximum ratings and electrical characteristics ratings at 25 o c ambient temperature unless otherwise specified. single phase, half wave, 60 hz, resistive or inductive load. for capacitive load, derate current by 20%. sf51ck thru SF57CK maximum ratings (@ t a =25 o c unless otherwise noted) electrical characteristics (@t a =25 o c unless otherwise noted) features * high reliability * low leakage * low forward voltage * high current capability * super fast switching speed * high surge capability * good for switching mode circuit mechanical data * case: molded plastic * epoxy: device has ul flammability classification 94v-o * lead: mil-std-202e method 208c guaranteed * mounting position: any * weight: 0.33 grams ratings maximum recurrent peak reverse voltage maximum rms voltage maximum dc blocking voltage maximum average forward rectified current at t a = 55 o c peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) typical thermal resistance (note 3) typical junction capacitance (note 2) symbol v rrm v dc i fsm c j t j , t stg v rms units volts volts amps 5.0 125 5.0 20 50 amps 0 c/w 0 c operating and storage temperature range r q jl r q ja i o -55 to + 150 pf volts 30 100 300 150 sf51ck sf53ck sf55ck sf52ck sf54ck 200 400 sf56ck 50 100 300 150 200 400 50 70 210 105 140 280 35 600 SF57CK 600 420 notes : 1. test conditions: i f = 0.5a, i r = -1.0a, i rr = -0.25a 2. measured at 1 mhz and applied reverse voltage of 4.0 volts. 3. typical thermal resistance : at 9.5mm lead lengths,pcb mounted. 4. "fully rohs complaint", "100% sn plating (pb-free)" 2007-08 characteristics at rated dc blocking voltage maximum reverse recovery time (note 1) v f symbol i r nsec uamps maximum dc reverse current maximum instantaneous forward voltage at 2.5a dc volts 5.0 35 @t a = 100 o c @t a = 25 o c trr 0.95 1.25 100 50 units sf51ck sf53ck sf55ck sf52ck sf54ck sf56ck SF57CK 1.50 dimensions in inches and (millimeters) d-pak .264 ( 6.7 ) .248 ( 6.3 ) .098 ( 2.5 ) .083 ( 2.1 ) .024 ( 0.6 ) .016 ( 0.4 ) .051 ( 1.3 ) .035 ( 0.9 ) .244 ( 6.2 ) .228 ( 5.8 ) .398 ( 10.11 ) .382 ( 9.71 ) typ 1.00 .217 (5.5) .201 ( 5.1 ) .031 (0.8) .016 (0.4) .183 (4.65) typ .091 (2.30) typ .020 (0.50) .179 (4.55) pin 1 pin 1 pin 3 pin 3 pin 2 pin 2 downloaded from: http:///
ambient temperature, ( o c) instantaneous reverse current, (ua) 25 50 0 43 2 1 75 50 175 100 125 150 rating and characteristics curves ( sf51ck thru SF57CK ) f i g . 2 t y p i c a l f o r w a r d c u r r e n t d e r a t i n g c u r v e f i g . 1 t e s t c i r c u i t d i a g r a m a n d r e v e r s e r e c o v e r y t i m e c h a r a c t e r i s t i c percent of rated peak reverse voltage, (%) average forward current, (a) 0 1.00.1 100 1000 10 60 20 40 80 100 120 140 f i g . 3 t y p i c a l r e v e r s e c h a r a c t e r i s t i c s trr +0.5a 50 w noninductive 10 w noninductive 0 -0.25a -1.0a 1cm set time base for 15/1 ns/cm notes: 1 rise time = 7ns max. input impedance = 1 megohm. 22pf. 2. rise time = 10ns max. source impedance = 50 ohms. d.u.t 25 vdc(approx) ( - ) ( - ) ( + ) ( + ) 1non- inductive oscilloscope (note 1) pulse generator (note 2) single phasehalf wave 60hz resistive or inductive load t a = 25 o c t a = 75 o c t a = 100 o c downloaded from: http:///
number of cycles at 60hz peak forward surge current, (a) instantaneous forward voltage, (v) 1 10 3020 50 100 200 instantaneous forward current, (a) 1.00.3 0.1 0.030.01 3.0 10 20 10 5 50 100 2.5 2.0 1.5 1.0 0.5 0 3.0 3.5 rating and characteristics curves ( sf51ck thru SF57CK ) f i g . 4 t y p i c a l i n s t a n t a n e o u s f o r w a r d c h a r a c t e r i s t i c s f i g . 5 m a x i m u m n o n - r e p e t i t i v e f o r w a r d s u r g e c u r r e n t reverse voltage, (v) junction capacitance, (pf) 4 6 4020 10 60 200100 0.2 0.1 21 0.4 2 1.0 4 10 20 40 100 f i g . 6 t y p i c a l j u n c t i o n c a p a c i t a n c e 8.3ms single half sine-wave(jeded method) pulse width=300us1% duty cycle t j = 25 o c t j = 25 o c sf51ck~sf54ck sf55ck~sf56ck SF57CK sf55ck~SF57CK sf51ck~sf54ck downloaded from: http:///
rectron inc reserves the right to make changes without notice to any product specification herein, to make corrections, modifi cations, enhancements or other changes. rectron inc or anyone on its behalf assumes no responsibility or liabi- lity for any errors or inaccuracies. data sheet spe cifications and its information contained are intended to provide a product description only. "typical" paramet- ers which may be included on rectron data she ets and/ or specifications ca- n and do vary in different applications and actual performance may vary over ti- me. rectron inc does not assume any liability arising out of the application or use of any product or circuit. rectron products are not designed, intend ed or authorized for use in medical, life-saving implant or other applications int ended for life-sustaining or other rela- ted applications where a failure or malfunct ion of component or circuitry may di- rectly or indirectly cause injury or threaten a li fe without expressed written appr- oval of rectron inc. customers using or selling rectron components for use in such applications do so at their own risk and shall agree to fully indemnify rect- ron inc and its subsidiaries harmless against all claims, damages and expendit- ures. disclaimer notice downloaded from: http:///
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