patented* ? 1n4933gp thru 1n4937gp vishay semiconductors formerly general semiconductor document number 88509 www.vishay.com 27-feb-02 1 glass passivated junction fast switching rectifier reverse voltage 50 to 600v forward current 1.0a 0.107 (2.7) 0.080 (2.0) 0.034 (0.86) 0.028 (0.71) dia. 1.0 (25.4) min. 1.0 (25.4) min. 0.205 (5.2) 0.160 (4.1) dia. note: lead diameter is for suffix "e" part numbers 0.026 (0.66) 0.023 (0.58) maximum ratings & thermal characteristics ratings at 25 c ambient temperature unless otherwise specified. parameter symbol 1n4933gp 1n4934gp 1n4935gp 1n4936gp 1n4937gp unit *maximum repetitive peak reverse voltage v rrm 50 100 200 400 600 v *maximum rms voltage v rms 35 70 145 280 420 v *maximum dc blocking voltage v dc 50 100 200 400 600 v *maximum average forward rectified current i f(av) 1.0 a 0.375" (9.5mm) lead length at t a =75 c *peak forward surge current 8.3ms single half sine-wave superimposed on i fsm 30 a rated load (jedec method) typical thermal resistance (1) r ja 55 c/w *operating junction and storage temperature range t j , t stg -65 to +175 c electrical characteristics ratings at 25 c ambient temperature unless otherwise specified. *maximum instantaneous forward voltage at 1.0a v f 1.2 v *maximum dc reverse current t a =25 c 5.0 at rated dc blocking voltage t a =125 c i r 100 a *maximum reverse recovery time at i f =1.0a, v r =30v t rr 200 ns typical junction capacitance at 4.0v, 1mhz c j 15 pf notes: (1) thermal resistance from junction to ambient, and from junction to lead at 0.375 ? (9.5mm) lead length, p.c.b. mounted *jedec registered values do-204al (do-41) features plastic package has underwriters laboratories flammability classification 94v-0 high temperature metallurgically bonded construction capable of meeting environmental standards of mil-s-19500 for use in high frequency rectifier circuits fast switching for high efficiency cavity-free glass passivated junction 1.0 ampere operation at t a =75 c with no thernal runaway typical i r less than 0.1 a high temperature soldering guaranteed: 300 c/10 seconds, 0.375" (9.5mm) lead length, 5 lbs. (2.3kg) tension mechanical data case: jedec do-204al, molded plastic over glass body terminals: plated axial leads, solderable per mil-std-750, method 2026 polarity: color band denotes cathode end mounting position: any weight: 0.012 oz., 0.34 g dimensions in inches and (millimeters) dimensions in inches and (millimeters) * glass-plastic encapsulation technique is covered by patent no. 3,996,602, and brazed-lead assembly by patent no. 3,930,306
1n4933gp thru 1n4937gp vishay semiconductors formerly general semiconductor www.vishay.com document number 88509 2 27-feb-02 ratings and characteristic curves (t a = 25 c unless otherwise noted) ambient temperature ( c) fig. 1 ? forward current derating curves average forward rectified current (a) fig. 3 ? typical instantaneous forward characteristics instantaneous forward voltage (v) instantaneous forward current (a) percent of rated peak reverse voltage (%) instantaneous reverse current ( a) fig. 4 ? typical reverse characteristics fig. 5 ? typical junction capacitance number of cycles at 60 h z reverse voltage (v) fig. 2 ? maximum non-repetitive peak forward surge current junction capacitance (pf) fig. 6 ? typical transient thermal impedance t, pulse duration (sec.) typical thermal impedance ( cw) 0 25 50 75 100 125 150 175 0 0.25 0.5 0.75 1.0 1 10 100 0 10 20 30 40 peak forward surge current (a) t j = t j max. 8.3ms single half sine-wave (jedec method) 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0.01 0.1 1 10 pulse width = 300 s 1% duty cycle t j = 25 c 0 20 40 60 80 100 0.01 0.1 1 10 20 1 10 100 1 10 100 t j = 25 c f = 1.0mh z vsig = 50mvp-p 0.01 0.1 1 10 100 0.1 1 10 100 t j = 125 c t j = 25 c 0.375" (9.5mm) lead length resistive or inductive load t j = 75 c
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