MUR420 vishay semiconductors formerly general semiconductor document number 88685 www.vishay.com 07-feb-02 1 new product ultrafast plastic rectifier reverse voltage 200v forward current 4.0a maximum ratings & thermal characteristics ratings at 25? ambient temperature unless otherwise specified. parameter symbol value unit maximum repetitive peak reverse voltage v rrm 200 v working peak reverse voltage v rwm 200 v maximum dc blocking voltage v dc 200 v maximum average forward rectified current at t a = 80? i f(av) 4.0 a (see figure 1) peak forward surge current 8.3 ms single half sine-wave i fsm 150 a superimposed on rated load (jedec method) typical thermal resistance junction to ambient (1) r ja 28 ?/w operating junction and storage temperature range t j , t stg -65 to +175? ? electrical characteristics ratings at 25? ambient temperature unless otherwise specified. parameter symbol value unit maximum instantaneous at 3.0a, t j =150? 0.710 forward voltage (2) at 3.0a, t j =25? v f 0.875 v at 4.0a, t j =25? 0.890 maximum instantaneous reverse current t j =25? i r 5.0 a at rated dc blocking voltage (2) t j =150? 150 maximum reverse recovery time t rr 25 ns at i f =0.5a, i r =1.0a, i rr =0.25a maximum reverse recovery time at, t rr 35 ns i f =1.0a, di/dt=50a/ s, v r =30v, i rr =10% i rm maximum forward recovery time t fr 25 ns i f =1.0a, di/dt=100a/ s, rec. to 1.0v notes: (1) lead length = 1/2 on p.c. board with 1/2 x1/2 copper surface (2) pulse test: t p =300 s, duty cycle 2% features ?plastic package has underwriters laboratories flammability classification 94v-0 ?ideally suited for use in very high frequency switching power supplies, inverters and as free wheeling diodes ?ultrafast recovery time for high efficiency ?glass passivated junction ?high temperature soldering guaranteed: 250?/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension mechanical data case: jedec do-201ad molded plastic body over passivated chip terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any weight: 0.045 oz., 1.2 g 0.210 (5.3) 0.190 (4.8) dia. 0.052 (1.32) 0.048 (1.22) dia. 1.0 (25.4) min. 0.375 (9.5) 0.285 (7.2) 1.0 (25.4) min. dimensions in inches and (millimeters) do-201ad
MUR420 vishay semiconductors formerly general semiconductor www.vishay.com document number 88685 2 07-feb-02 ratings and characteristic curves 0 50 75 100 125 150 25 1 100 10 fig. 2 ?maximum non-repetitive peak forward surge current peak forward surge current (a) number of cycles at 60 h z 0 2.0 4.0 6.0 8.0 fig. 1 ?forward current derating curve average forward current (a) ambient temperature ( c) 0.4 0.2 0.6 0.8 1.0 1.2 1.4 instantaneous forward voltage (v) fig. 3 ?typical instantaneous forward characteristics 020 60 40 100 80 fig. 4 ?typical reverse leakage characteristics instantaneous reverse leakage current ( a) percent of rated peak reverse voltage (%) 0.01 0.1 10 100 1 instantaneous forward current (a) reverse voltage (v) junction capacitance (pf) 1 0.1 10 100 1000 10 100 1 fig. 5 ?typical junction capacitance 0.001 0.01 0.1 1 10 100 1000 t j = 175 c t j = 175 c t j = 25 c t j = 100 c t j = 100 c t j = 25 c 0 25 50 75 100 125 150 175
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