SF20AG thru sf20jg 50v-600v 2.0a super-fast glass passivated rectifier 1 of 2 mechanical data web site: www.taychipst.com features e-mail: sales@taychipst.com maximum ratings and electrical characteristics glass passivated die construction diffused junction super-fast switching for high efficiency high current capability and low forward voltage drop surge overload rating to 60a peak low reverse leakage current plastic material: ul flammability classification rating 94v-0 case: molded plastic terminals: plated leads solderable per mil-std-202, method 208 polarity: cathode band marking: type number weight: 0.35 grams (approx.) mounting position: any single phase, half wave, 60hz, resistive or inductive load. for capacitive load, derate current by 20%. characteristic symbol sf20 ag sf20 bg sf20 cg sf20 dg sf20 fg sf20 gg sf20 hg sf20 jg unit peak repetitive reverse voltage working peak reverse voltage dc blocking voltage v rrm v rwm v r 50 100 150 200 300 400 500 600 v rms reverse voltage v r(rms) 35 70 105 140 210 280 350 420 v average rectified output current @ t a = 75 c (note 1) i o 2.0 a non-repetitive peak forward surge current 8.3ms single half sine-wave superimposed on rated load (jedec method) i fsm 60 a forward voltage @ i f = 2.0a v fm 0.95 1.3 1.5 v peak reverse current @ t a = 25 c at rated dc blocking voltage @ t a = 100 c i rm 10 100 a reverse recovery time (note 2) t rr 35 40 50 ns typical junction capacitance (note 3) c j 75 50 pf typical thermal resistance junction to ambient r ja 40 k/w operating and storage temperature range t j, t stg -65 to +150 c notes: 1. valid provided that leads are kept at ambient temperature at a distance of 9.5mm from the case. 2. measured with i f = 0.5a, i r = 1.0a, i rr = 0.25a. see figure 5. 3. measured at 1.0mhz and applied reverse voltage of 4.0v dc.
2 of 2 e-mail: sales@taychipst.com web site: www.taychipst.com SF20AG thru sf20jg 50v-600v 2.0a super-fast glass passivated rectifier 0 0.4 0.8 1.2 1.6 2 . 0 25 50 75 100 125 150 175 200 i , a verage fwd rectified current (a) (a v) t , ambient temperature ( c) fi g . 1 forward current deratin g curve a single phase half-wave 60 hz resistive or inductive load 0.01 0.1 1.0 10 0.6 0.8 1.0 1.2 1.4 i , inst ant aneous for w ard current (a) f v , instantaneous forward voltage (v) fi g .2 t y pical forward characteristics f t = 25 c j pulse width = 300 s SF20AG - sf20dg sf20hg - sf20jg sf20fg - sf20gg 1 10 100 1 10 100 c , cap acit ance (pf) j v , reverse voltage (v) fi g .4 t y pical junction capacitance r t = 25 c f = 1.0mhz j SF20AG - sf20gg sf20hg - sf20jg 50v dc approx 50 ni (non-inductive) ? 10 ni ? 1.0 ni ? oscilloscope (note 1) pulse generator (note 2) device under test t rr set time base for 50/100 ns/cm +0.5a 0a -0.25a -1.0a notes: 1. rise time = 7.0ns max. input impedance = 1.0m , 22pf. 2. rise time = 10ns max. input impedance = 50 . ? ? fi g . 5 reverse recover y time characteristic and test circuit (+) (+) (-) (-) i , peak for w ard surge current (a) fsm 0 20 40 60 1 10 100 number of cycles at 60 hz fi g . 3 peak forward sur g e current
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