MURS320 vishay semiconductors formerly general semiconductor document number 88689 www.vishay.com 02-jul-02 1 new product ultrafast rectifier reverse voltage 200v forward current 3.0a reverse recovery time 25ns maximum ratings & thermal characteristics ratings at 25? ambient temperature unless otherwise specified. parameter symbol MURS320 unit device marking codes md 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 l = 140? i f(av) 3.0 a (see figure 1) t l = 130? 4.0 peak forward surge current 8.3 ms single half sine-wave superimposed on rated load (jedec method) i fsm 125 a typical thermal resistance junction to ambient r jl 11 ?/w operating junction and storage temperature range t j , t stg 65 to +175? ? electrical characteristics ratings at 25? ambient temperature unless otherwise specified. maximum instantaneous at i f = 3.0a, t j = 25? 0.875 forward voltage (1) at i f = 4.0a, t j = 25? v f 0.890 v at i f = 3.0a, t j = 150? 0.710 maximum instantaneous reverse current t j =25? i r 5.0 a at rated dc blocking voltage (1) t j =150? 150 maximum reverse recovery time at i f =0.5a, i r =1.0a, i rr =0.25a t rr 25 ns 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) 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-214ab molded plastic body over passivated chip terminals: solder plated, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end weight: 0.007 ounce, 0.21 gram dimensions in inches and (millimeters) 0.280 (7.11) 0.260 (6.60) 0.012 (0.305) 0.006 (0.152) 0.008 (0.203) max. 0.320 (8.13) 0.305 (7.75) 0.060 (1.52) 0.030 (0.76) 0.245 (6.22) 0.220 (5.59) 0.126 (3.20) 0.114 (2.90) 0.103 (2.62) 0.079 (2.06) cathode band do-214ab (smc) 0.185 max. (4.69 max.) 0.121 min. (3.07 min.) 0.060 min. (1.52 min.) 0.320 ref mounting pad layout
MURS320 vishay semiconductors formerly general semiconductor www.vishay.com document number 88689 2 02-jul-02 ratings and characteristic curves 25 0 50 75 100 125 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 4.0 6.0 8.0 0 25 50 75 100 125 150 175 fig. 1 ?forward current derating curve average forward rectified current (a) lead temperature ( c) instantaneous forward voltage (v) fig. 3 ?typical forward voltage 020 60 40 100 80 fig. 4 ?typical reverse leakage characteristics instantaneous reverse current ( a) percent of rated peak reverse voltage (%) 2.0 0.01 0.1 10 1 80 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 instantaneous forward current (a) t j = 175 c t j = 25 c reverse voltage (v) junction capacitance (pf) 0.1 1 10 10 100 100 1000 0.01 0.001 0.1 10 1 100 1000 t j = 100 c fig. 5 ?typical junction capacitance 0 t j = 175 c t j = 100 c t j = 25 c t j = 25 c f = 1.0 mhz vsig = 50mv p-p
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