features low cost diffused junction low forward voltage drop low reverse leakage current high current capability the plastic material carries ul recognition 94v-0 mechanical data case: jedec r-1 molded plastic polarity: color band denotes cathode weight: 0.15 grams mounting position : any dimensions in inches and (millimeters) maximum ratings and electrical characteristics rating at 25 ambient temperature unless otherwise specified. single phase, half wave ,60hz, resistive or inductive load. for capacitive load, derate current by 20%. characteristics symbol 1a1g 1A2G 1a3g 1a4g 1a5g 1a6g 1a7g unit maximum recurrent peak reverse voltage v rrm 50 100 200 400 600 800 1000 v maximum rms voltage v rms 35 70 140 280 420 560 700 v maximum dc blocking voltage v dc 50 100 200 400 600 800 1000 v maximum average forward rectified current @t a =75 peak forward surge current 8.3ms single half sine-wave super imposed on rated load(jedec method) maximum forward voltage at 1.0a dc v f v maximum dc reverse current @t j =25 at rated dc blocking voltage @t j =125 typical junction capacitance (note1) c j pf typical thermal resistance (note2) r ja /w operating temperature range t j storage temperature range t stg 3.the typical data above is for reference only( ?). i r 50 a 10 26 -55 to +150 rev. 7, 13-mar-2017 -55 to +150 notes:1.measured at 1.0 mhz and applied reverse voltage of 4.0v dc. 1.1 5.0 i fsm i (av) 2.thermal resistance junction to ambient. 1a1g thru 1a7g 30 a 1.0 a reverse voltage - 50 to 1000 volts forward current - 1.0 ampere glass passivated rectifiers r-1 .104(2.65) .089(2.25) .026(0.65) .022(0.55) .132(3.35) .116(2.95) 1.0(25.4) min. 1.0(25.4) min.
rating and characteristic curves the cruve graph is for reference only, can't be the basis for judgment( ?)! rev. 7, 13-mar-2017 1a1g thru 1a7g 0 a mbient temperature. 10 0.1 1.0 0.01 0.2 0.6 0.4 4 0.8 1.2 1.6 1.4 1.8 1.0 pulse width 300us t j = 25c instantaneous forward voltage volts fig.4 ? typical forward characteristics instantaneous forward current(a) 25 50 75 100 125 150 175 1.0 0.8 0.6 0.4 0.2 0 single phase half wave 60hz resistive or inductive load fig. 1 - forward current derating curve average forward current amperes fig.2 - maximum non-repetitive surge current peak forward surge current, amperes number of cycles at 60hz 1 2 5 10 20 50 100 30 10 0 20 pulse width 8.3ms single half-sine-wave (jedec method) 4 100 10 1.0 40 10 100 reverse voltage ,volts capacitance,(pf) fig. 3 ? typical junction capacitance t j = 25c f = 1mhz 1
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