LESHAN RADIO COMPANY, LTD. 1A1– 1A7 1A 1A GENERAL DIODES TYPE Maximum Peak Reverse Voltage Maximum Average Rectified Current @ Half-Wave Resistive Load 60Hz PRV I O@ T L V PK 1A1 1A2 1A3 1A4 1A5 1A6 1A7 50 100 200 400 600 800 1000 Maximum Forward Peak Surge Current @ 8.3ms Superimposed A AV 1.0 I FM (Surge) ºC 25 .787(20.0) MIN I .126(3.2) .106(2.7) .025(0.65) DIA .021(0.55) R µAdc A PK 25 Maximum Forward Voltage @ TA=25ºC Maximum Reverse Current @ PRV @ TA=25ºC 5.0 I FM V FM A PK V PK 1.0 1.1 Package Dimensions R–1 .787(20.0) MIN .102(2.6) DIA .091(2.3) R–1 21A–1/2 LESHAN RADIO COMPANY, LTD. 1A1-1A7 R-1 1A RATING & CHARACTERISTIC CURVES OF 1A GENERAL DIODES IN R-1 PACKAGE FIG. 1 - TYPICAL FORWARD CURRENT DERATING CURVE FIG. 2 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS 20 10 INSTANTANEOUS FORWARD CURRENT,(A) Single Phase Half Wave 60Hz Resistive or Inductive Load 0.8 0.6 0.4 0.2 0 0 25 50 75 100 125 150 175 AMBIENT TEMPERATURE, (ºC) 4 TJ=25ºC 2 1.0 .4 .2 .1 .04 Pulse Width=300µs 1% Duty Cycle .02 .01 FIG. 3 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT .6 .8 1.0 1.2 1.4 1.5 INSTANTANEOUS FORWARD VOLTAGE,(V) 8.3ms Single Half Sine-Wave (JEDEC Method) 40 FIG. 4 - TYPICAL REVERSE CHARACTERISTICS 30 10 20 10 0 1 2 4 6 8 10 20 40 60 80100 NUMBER OF CYCLES AT 60Hz FIG. 5 - TYPICAL JUNCTION CAPACITANCE 200 100 INSTANTANEOUS FORWARD CURRENT,(µA) PEAK FORWARD SURGE CURRENT,(A) 50 JUNCTION CAPACITANCE,(pF) AVERAGE FORWARD CURRENT,(A) 1.0 1.0 0.1 0.01 0 TJ =25ºC 60 20 40 60 80 100 120 140 PERCENT OF RATED PEAK REVERSE VOLTAGE,(%) 40 20 10 6 4 2 1 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE,(V) 21A–2/2