dimensions in inches and (millimeters) MUR420 - mur460 4.0 amps. ultrafast glass passivated rectifiers do-201ad features ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes ultrafast recovery time for high efficiency excellent high temperature switching glass passivated junction mechanical data cases: 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, 0.045oz. 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 MUR420 mur440 mur460 units maximum recurrent peak reverse voltage v rrm 200 400 600 v maximum rms voltage v rms 140 280 420 v maximum dc blocking voltage v dc 200 400 600 v maximum average forward rectified current .375(9.5mm) lead length (see fig. 1) 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 70 a maximum instantaneous forward voltage @ 4.0a v f 0.89 1.28 v maximum dc reverse current @ t c =25 o c at rated dc blocking voltage @ t c =125 o c (note 4) i r 5.0 150 10 250 ua ua maximum reverse recovery time ( note 2 ) trr 25 50 ns typical junction capacitance ( note 1 ) tj = 25 o c (fig. 5) cj 65 pf maximum forward recovery time tfr (if=1.0a, di/dt = 100a/us, rev. to 1.0v) t fr 25 50 ns typical thermal resistance (note 3) r ja 28 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. measured at 1 mhz and applied reverse voltage of 4..0 volts d.c. 2. reverse recovery test conditions: i f =0.5a, i r =1.0a, i rr =0.25a 3. thermal resistance from junction to ambient, lead length = 1/2 on p.c. board with 1.5 x 1.5 copper surface. 4. pulse lest: tp = 300 us, duty cycle < 2%. xinghe electronics e?o?? gaomi xinghe electronicsco.,ltd. www.sddzg.com tel:0536-2210359 qq:464768017 1
2 r a ting s an d characteristi c cu r ve s (mur42 0 thr u mur460) fig.1 - maximu m fo r w ar d curren t der a ting cu r ve r o f e g a r e v a t n e r r u c d e i f i t c e r d r a w ) a ( . ambien t temper a ture . ( c) o 0 5 0 10 0 15 0 200 0 2.0 4.0 6.0 l = 1/2" pcb with 1.5" x 1.5" copper pads fig.5- typical junction capacitance perleg junction cap acitance. (pf) reverse voltage. (v) 110 100 10 100 0.1 1000 tj=25 c f=1.0mhz vsig=50m vp-p 0 instantaneous reverse leakage current percent of rated peak reverse voltage. (%) fig.4- typicsl reverse characteristics 0 0.001 0.01 0.1 1 10 100 1000 20 40 60 80 100 (a) tj=100 c 0 tj=25 c 0 instantaneous forward current . (a) fig.3- typical instantaneous forward characteristics instantaneous forward voltage. (v) 0 0.4 0.8 1.2 2.0 0.01 10 100 1.6 0.1 1 tj=25 c 0 MUR420 mur440-60 fig.2- maximum non-repetitive forward surge current peak for ward surge current . (a) number of cycles at 60hz 1 10 150 125 100 75 50 25 100 MUR420 mur440-60 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 MUR420 - mur460 4.0 amps. ultrafast glass passivated rectifiers xinghe electronics e?o?? gaomi xinghe electronicsco.,ltd. www.sddzg.com tel:0536-2210359 qq:464768017
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