UG8FT and ug8gt ultrafast soft recovery rectifier reverse voltage - 300 to 400 volts forward current - 8.0 amperes features plastic package has underwriters laboratories flammability classification 94v-0 ideally suited for freewheeling diode power factor correction applications soft recovery characteristics excellent high temperature switching optimized to reduce switching losses high temperature soldering in accordance with cecc 802 / reflow guaranteed glass passivated chip junction mechanical data case: jedec to-220ac molded plastic body terminals: plated leads, solderable per mil-std-750, method 2026 polarity: as marked mounting position : any weight: 0.08 ounce, 2.24 grams maximum ratings and electrical characteristics ratings at 25? ambient temperature unless otherwise specified. symbols UG8FT ug8gt units maximum repetitive peak reverse voltage v rrm 300 400 volts working peak reverse voltage v rwm 225 300 volts maximum rms voltage v rms 210 280 volts maximum dc blocking voltage v dc 300 400 volts maximum average forward rectified current at t c =100? i (av) 8.0 amps peak forward surge current 8.3ms single half sine-wave superimposed i fsm 100.0 amps on rated load (jedec method) maximum instantaneous forward voltage at i f = 8a (note 1) t j =25? 1.30 t j =150? v f 1.00 volts maximum reverse leakage current t c =25? 10 at working peak reverse voltage t c =100? i r 350 m a maximum reverse recovery time at i f =0.5a, i r =1.0a, i rr =0.25a t rr 35 ns maximumreverse recovery time at i f =1.0a, di/dt=100a/ m s, v r =30v, i rr =0.1 i rm t rr 50 ns maximum reverse recovery current at i f =10a, di/dt=50a/ m s,v r =30v t c =100? i rm 5.5 amps maximum stored charge i f =2a, di/dt=20a/ m s, v r =30v, i rr =0.1 i rm q rr 55 nc typical thermal resistance from junction to case r q jc 2.2 ?/w operating junction and storage temperature range t j , t stg -40 to+150 ? note: (1) pulse test: 300 m s pulse width, 1% duty cycle notice: advanced product information is subject to change without notice 12/16/98 0.154 (3.91) 0.148 (3.74) dia. 0.113 (2.87) 0.103 (2.62) 0.185 (4.70) 0.175 (4.44) 0.055 (1.39) 0.045 (1.14) 0.145 (3.68) 0.135 (3.43) 0.350 (8.89) 0.330 (8.38) 0.160 (4.06) 0.140 (3.56) 0.037 (0.94) 0.027 (0.68) 0.205 (5.20) 0.195 (4.95) 0.560 (14.22) 0.530 (13.46) 0.022 (0.56) 0.014 (0.36) 0.110 (2.79) 0.100 (2.54) 12 1.148 (29.16) 1.118 (28.40) 0.105 (2.67) 0.095 (2.41) 0.410 (10.41) 0.390 (9.91) 0.635 (16.13) 0.625 (15.87) 0.560 (14.22) 0.530 (13.46) pin pin 1 pin 2 case 0.415 (10.54) max. 0.370 (9.40) 0.360 (9.14) t o-220ac dimensions in inches and (millimeters) advanced information
0 25 50 75 100 125 150 175 0 2.0 4.0 6.0 8.0 10 12 0.4 0.6 0.8 1.0 1.2 1.4 1.6 0.01 0.1 1 10 100 0.1 1 10 100 1 10 100 0 25 50 75 100 125 150 175 0 10 20 30 40 50 60 0 20 40 60 80 100 0.01 0.1 1 10 100 1,000 1 10 100 25 50 75 100 125 150 0 fig. 1 - forward current derating curve case temperature, ? average forward rectified current, amperes fig. 2 - maximum non-repetitive peak forward surge current number of cycles at 60 hz peak forward surge current, amperes fig. 3 - typical instantaneous forward characteristics fig. 4 - typical reverse characteristics instantaneous forward current, amperes instantaneous reverse leakage current, microamperes instantaneous forward voltage, volts percent of rated peak reverse voltage, % fig. 5 - reverse switching characteristics recovered stored charge/reverse recovery time nc/ns junction temperature, ? fig. 6 - typical junction capacitance junction capacitance, pf reverse voltage, volts t c =100 c 8.3ms single half sine-wave (jedec method) t j =100? t j =25? t j =25? pulse width=300 m s 1% duty cycle t j =25? f=1.0 mh z vsig=50mvp-p di/dt= 20a/ m s di/dt= 150a/ m s di/dt= 100a/ m s di/dt= 50a/ m s di/dt= 150a/ m s di/dt=20a/ m s di/dt=50a/ m s di/dt=100a/ m s t j =125? i f =4.0a v r =30v t rr q rr resistive or inductive load ratings and characteristic curves UG8FT and ug8gt
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