31GF4 vishay general semiconductor document number: 88529 revision: 20-aug-07 for technical questions within your r egion, please contact one of the following: pdd-americas@vishay.com , pdd-asia@vishay.com , pdd-europe@vishay.com www.vishay.com 1 ultrafast plastic rectifier features ? glass passivated chip junction ? ultrafast reverse recovery time ? low forward voltage drop ? low switching losses, high efficiency ? high forward surge capability ? solder dip 260 c, 40 s ? component in accordance to rohs 2002/95/ec and weee 2002/96/ec typical applications for use in high frequency rectification and freewheeling application in switching mode converters and inverters for consumer, computer and telecommunication. mechanical data case: do-201ad epoxy meets ul 94v-0 flammability rating terminals: matte tin plated leads, solderable per j-std-002 and jesd22-b102 e3 suffix for consumer grade, meets jesd 201 class 1a whisker test polarity: color band denotes cathode end primary characteristics i f(av) 3.0 a v rrm 400 v i fsm 60 a t rr 30 ns v f 1.25 v t j max. 150 c do-201ad maximum ratings (t a = 25 c unless otherwise noted) parameter symbol value unit maximum repetitive peak reverse voltage v rrm 400 v maximum rms voltage v rms 280 v maximum dc blocking voltage v dc 400 v maximum average forward rectified current, 0.375" (9.5 mm) lead length with fin without fin/pcb i f(av) 3.0 1.5 a peak forward surge current 8.3 ms single half sine-wave superimposed on rated load i fsm 60 a operating junction and storage temperature range t j , t stg - 40 to + 150 c reverse avalanche energy (8/20 s surge) e ar 10 mj
31GF4 vishay general semiconductor www.vishay.com for technical questions within your region, please contact one of the following: pdd-americas@vishay.com , pdd-asia@vishay.com , pdd-europe@vishay.com document number: 88529 revision: 20-aug-07 2 note: (1) pulse test: 300 s pulse width, 1 % duty cycle note: (1) pulse test: 300 s pulse width, 1 % duty cycle ratings and characteristics curves (t a = 25 c unless otherwise noted) electrical characteristics (t a = 25 c unless otherwise noted) parameter test conditions symbol value unit minimum reverse breakdown voltage 10 a v br 400 v maximum instantaneous forward voltage (1) 3.0 a v f 1.25 v maximum dc reverse current at rated dc blocking voltage i r 20 a maximum reverse recovery time i f = 0.5 a, i r = 1.0 a, i rr = 0.25 a t rr 30 ns thermal characteristics (t a = 25 c unless otherwise noted) parameter symbol value unit typical thermal resistance, junction to ambient (1) r ja 80 c/w ordering information (example) preferred p/n unit weight (g) preferred package code base quantity delivery mode 31GF4-e3/54 1.13 54 1400 13" diameter paper tape and reel 31GF4-e3/73 1.13 73 1000 ammo pack packaging figure 1. maximum forward current derating curve 0 1.0 1.5 2.0 2.5 3.0 3.5 75 50 25 0 100 125 150 175 0.5 a v erage for w ard re ctified c u rrent (a) lead temperat u re (c) figure 2. maximum non-repetitive peak forward surge current 0 20 40 60 8 0 100 1 100 10 nu m b er of cycles at 60 hz peak for w ard s u rge c u rrent (a)
31GF4 vishay general semiconductor document number: 88529 revision: 20-aug-07 for technical questions within your r egion, please contact one of the following: pdd-americas@vishay.com , pdd-asia@vishay.com , pdd-europe@vishay.com www.vishay.com 3 package outline dimensions in inches (millimeters) figure 3. typical reve rse characteristics figure 4. typical instantaneous forward characteristics 60 40 20 0 100 8 0 0.01 0.001 0.1 10 1 100 1000 t j = 100 c t j = 150 c t j = 25 c percent of rated peak re v erse v oltage ( % ) instantaneo u s re v erse c u rrent ( a) 0.4 00. 8 1.2 1.6 2.0 0.01 0.1 10 100 1 instantaneo u s for w ard v oltage ( v ) instantaneo u s for w ard c u rrent (a) t j = 100 c t j = 150 c t j = 25 c 2.2 0.2 0.6 1.0 1.4 1. 8 figure 5. typical junction capacitance 1 0.1 10 100 100 1000 10 1 re v erse v oltage ( v ) j u nction capacitance (pf) do-201ad 0.210 (5.3) 0.190 (4. 8 ) dia. 0.052 (1.32) 0.04 8 (1.22) dia. 1.0 (25.4) mi n . 1.0 (25.4) mi n . 0.375 (9.5) 0.2 8 5 (7.2)
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