dimensions in inches and (millimeters) do-201ad features high efficiency, low vf high current capability high reliability high surge current capability low power loss. for use in low voltage, high frequency inventor, free wheeling, and polarity protection application mechanical data case: molded plastic epoxy: ul 94v-0 rate flame retardant polarity: color band denotes cathode high temperature soldering guaranteed: 260 o c/10 seconds/.375 ?,(9.5mm) lead lengths at 5 lbs., (2.3kg) tension mounting position: any weight: 1.2 grams maximum ratings and electrical characteristics rating 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% type number symbol sf 51 sf 52 sf 53 sf 54 sf 55 sf 56 sf 57 sf 58 units maximum recurrent peak reverse voltage v rrm 50 100 150 200 300 400 500 600 v maximum rms voltage v rms 35 70 105 140 210 280 350 420 v maximum dc blocking voltage v dc 50 100 150 200 300 400 500 600 v maximum average forward rec tified current .375 (9.5mm) lead length @t a = 55 o c i (av) 5.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 150 a maximum instantaneous forward voltage @ 5.0a v f 0.975 1.3 1.7 v maximum dc reverse current @ t a =25 o c at rated dc blocking voltage @ t a =100 o c i r 5.0 100 ua ua maximum reverse recovery time (note 1) trr 35 ns typical junction capacitance (note 2) cj 120 60 pf typical thermal resistance (note 3) r ja r jl 20 5.0 o c/w operating temperature range t j -65 to +125 o c storage temperature range t stg -65 to +150 o c notes: 1. reverse recovery 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 v d.c. 3. mount on cu-pad size 16mm x 16mm on p.c.b sf51-sf58 5.0 amp. super fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
ratings and characteristic curves ( sf51 thru sf58 ) fig.6- reverse recovery time characteristic and test circuit diagram 50 noninductive non inductive oscilloscope (note 1) pulse generator (note 2) dut (+) 50vdc (approx) (-) notes: 1. rise time=7ns max. input impedance= 1 megohm 22pf 2. rise time=10ns max. sourse impedance= 50 ohms (-) (+) 10 noninductive -1.0a -0.25a 0 +0.5a trr 1cm set time base for 5/ 10ns/ cm fig.3- maximum non-repetitive forward surge current peak forward surge current. (a) 1 2 5 10 20 100 50 0 25 50 125 75 number of cycles at 60hz 8.3ms single half sine wave jedec method 100 150 175 fig.5- typical forward characteristics instantaneous forward current. (a) 0.4 0.6 0.8 1.0 1.2 1.4 100 10 forward voltage. (v) 0.01 0.1 1.0 pulse width-300 s 2% duty cycle tj=25 c 0 1.6 1.8 fig.4- typical junction capacitance junction capacitance.(pf) 0.1 0.5 1 5 2 10 20 50 100 200 500 1000 80 120 160 180 reverse voltage. (v) 60 100 140 tj=25 c 0 sf54 sf58 40 fig.2- typical reverse characteristics instantaneous reverse current .( a) 20 40 60 80 100 120 0.1 1 10 100 1000 percent of rated peak reverse voltage. (%) tj=25 c 0 tj=100 c 0 140 0 fig.1- derating maximum average forward current average forward current .(a) 0 25 50 100 150 175 125 75 0 4.0 6.0 5.0 2.0 1.0 3.0 ambient temperature. ( c) o single phase half wave 60hz resistive or inductive load 0.375" (9.5mm) lead length sf51-sf54 sf55-sf56 sf57-sf58 sf51-sf58 5.0 amp. super fast rectifiers http://www.luguang.cn mail:lge@luguang.cn
|
