dimensions in inches and (millimeters) version: a06 sf41g - sf48g 4.0 amps. glass passivated super fast rectifiers 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 lead: pure tin plated, lead free., solderable per mil-std-202, method 208 guaranteed 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 41g sf 42g sf 43g sf 44g sf 45g sf 46g sf 47g sf 48g 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 rectified current .375 (9.5mm) lead length @t a = 55 o c i (av) 4.0 a peak forward surge current, 8.3 ms single half sine-wave superimposed on rated load (jedec method ) i fsm 125 a maximum instantaneous forward voltage @ 4.0a v f 1.0 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 5.0 500 ua ua maximum reverse recovery time (note 1) trr 35 ns typical junction capacitance (note 2) cj 100 80 pf thermal resistance r ja 25 o c/w operating temperature range t j -65 to +150 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
tj=25 c 0 sf48g sf41g~sf44g r a ting s an d characteristi c cu r ve s ( sf41 g thr u sf48 g ) fig.6 - revers e recove r y tim e characteristi c an d tes t circui t diagram 50 noninductive non inductive oscilloscope (not e 1) pulse gener a t or (not e 2) dut (+) 50vdc (approx) (-) notes : 1 . ris e t ime=7n s max . inpu t impedance= 1 megoh m 22pf 2 . ris e t ime=10n s max . sours e impedance= 5 0 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 for ward 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 for ward current . (a) 0.4 0.6 0.8 1.0 1.2 1.4 100 10 forward voltage. (v) 0.01 0.1 1 pulse width-300 s 2% duty cycle tj=25 c 0 1.6 1.8 s f 41 g ~ s f 44 g fig.4- typical junction capacitance junction cap acitance.(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 40 fig.2- typical reverse characteristics 20 40 60 80 100 120 0.01 1 10 100 1000 percent of rated peak reverse voltage. (%) 140 instantaneous reverse current .( a) 0.1 tj=100 c 0 tj=25 c 0 0 version: a06 fig.1- derating maximum average forward current average for ward 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 sf45g~sf46g sf47g~sf48g
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