?????? yangzhou yangjie electroni c technology co., ltd. www.21yangjie.com document number 0152 rev. 1.0 , 22-se p -11 sf21 thru SF28 ? super fast rectifier features ?? outline dimensions and mark i o 2.0a vrrm 50v-600v ? high surge current capability ? applications rectifier ??? limiting values (absolute maximum rating) sf item symbol unit conditions 21 22 23 24 25 26 27 28 ??? repetitive peak reverse voltage vrrm v 50 100 150 200 300 400 500 600 ? average forward current i f(av) a ( ?? 60hz? ta=50 ) (60hz half-sine wave, resistance load,ta=50 ) 2.0 ???? surge(non-repetitive)forward current i fsm a ( ?? 60hz ?? ta=25 ) (60hz half-sine wave,1 cycle,ta=25 ) 50 junction temperature t j -55~+125 ? storage temperature t stg -55 ~ +150 ta=25 electrical characteristics (t a =25 unless otherwise specified) sf item symbol unit test condition 21 22 23 24 25 26 27 28 ?? peak forward voltage v fm v i fm =2.0a 0.95 1.3 1.7 i rrm1 t a =25 5 ? peak reverse current i rrm2 a vrm=vrrm t a =125 50 ?? reverse recovery time trr ns i f =0.5a i r =1a i rr =0.25a 35 r j-a ?? between junction and ambient 55 () thermal resistance(typical) r j-l /w ? between junction and lead 20 1.0(25.4) min .300(7.60) .228(5.80) .035(0.90) .028(0.70) dia .142(3.60) .102(2.60) 1.0(25.4) min do-204ac(do-15 ) unit: in inches (millimeters)
?????? yangzhou yangjie electroni c technology co., ltd. www.21yangjie.com document number 0152 rev. 1.0 , 22-se p -11 sf21 thru SF28 ?? characteristics(typical) v r d r l i f 0 if i r i rr t t rr i ? 5: ????? fig.5: diagram of circuit and testing wave form of reverse recovery time ? 4: ? fig.4:typical reverse characteristics voltage(%) ir(ua) tj=25 tj=125 tj=100 0.01 0.1 0 20 40 60 80 100 1.0 10 100 1000 ?? 0.375''(9.5 ) ? single phase half wave 60hz resistive or inductive load 0.375''(9.5mm) lead length 0 50 150 ? 1: fig.1: forward current derating curve io(a ta () 100 0 0.5 1.0 1.5 2.0 ifsm(a) ? number of cycles ? 2: ? fig.2 : maximum non-repetitive forward surge current 8.3 ?? 8.3ms single half sine wave jedec method 124681020 100 10 20 30 40 50 if(a) ? 3: fig.3: typical forward characteristics tj=25 pulse width=300us 1% duty cycle 0.01 0.02 0.4 0.1 0.2 0.4 1.0 2.0 4.0 10 20 vf(v) 0.6 0.8 1.0 1.2 1.4 1.6 1.8 sf27-SF28 sf25-sf26 sf21-sf24
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