LESHAN RADIO COMPANY, LTD. HER301 – HER308 3A 3A HIGH EFFICIENCY DIODES TYPE Maximum Average Maximum Forward Rectified Current Maximum Peak Surge Current @ Half-Wave Peak Reverse @ 8.3ms Resistive Load 60Hz Voltage Superimposed PRV V PK HER301 HER302 HER303 HER304 HER305 HER306 HER307 HER308 50 100 200 300 400 600 800 IO @TL A AV ºC 3.0 Maximum Reverse Current @ PRV @ TA=25ºC Maximum Forward Voltage @ TA=25ºC Package Maximum Reverse Dimensions Recovery Time I FM (Surge) IR I FM V FM Trr A PK µAdc A PK V PK ns 200 10 3.0 150 1000 1.00 1.00 1.00 1.30 1.30 1.85 1.85 1.85 50 DO–201AD 70 Trr I F=0.5A, I R=1.0A, I RR=0.25A Trr Test Conditions: I F=0.5A, I R=1.0A, I RR=0.25A .375(9.5) .335(8.5) 1.0(25.4) MIN .052(1.3) .048(1.2) 1.0(25.4) MIN DIA .220(5.6) DIA .197(5.0) DO – 201AD 46A–1/2 LESHAN RADIO COMPANY, LTD. HER301 – HER308 3A 3A RATING & CHARACTERISTIC CURVES OF HIGH EFFICIENCY DIODES FIG.1-TEST CIRCUIT DIAGRAM AND REVERSE RECOVERY TIME CHARACTERISTIC (+) 25Vdc (APPROX) (-) 10 Ω NONINDUCTIVE AVERAGE FORWARD CURRENT,(A) 50 Ω NONINDUCTIVE FIG. 2 - TYPICAL FORWARD CURRENT DERATING CURVE Trr +0.5A (-) D.U.T. PULSE G E N E R AT O R (NOTE 2) 1Ω OSCILLOSCOPE NON. (NOTE 1) INDUCTIVE 0 -0.25A (+) NOTES:1.Rise Time=7ns max. Input Impedance=1megohm.22pF. 2.Rise Time=10ns max. Source Impedance=50 ohms. -1.0A 1cm SET TIME BASE FOR 10 ns/cm 6 Single Phase Half Wave 60Hz Resistive or Inductive Load 5 4 3 2 1 0 0 50 100 150 175 AMBIENT TEMPER ATURE, (ºC) FIG. 4 - TYPICAL INSTANTANEOUS FORWARD CHARACTERISTICS FIG. 3 - TYPICAL REVERSE CHARACTERISTICS 100 1000 TJ =25ºC 1.0 .1 0V 60 V 00 1.0 .1 Pulse Width=300µs 1% Duty Cycle .01 .01 20 40 60 80 100 120 .2 140 PERCENT OF RATED PEAK REVERSE VOLTAGE, (%) .4 .6 .8 1.0 1.2 1.4 1.6 1.8 INSTANTANEOUS FORWARD VOLTAGE,(V) FIG. 5 - MAXINUM NON-REPETITIVE FOWARD SURGE CURRENT FIG. 6 - TYPICAL JUNCTION CAPACITANCE 200 300 8.3ms Single Half Sine-Wave (JEDEC Method) 200 100 HER301-HER305 100 JUNCTION CAPACITANCE,(pF) PEAK FORWARD SURGE CURRENT,(A) 30 10 TJ =100ºC 10 0V 40 0/ 10 0/ TJ =150ºC 80 100 50/ 100 /20 0V INSTANTANEOUS FORWARD CURRENT, (A) INSTANTANEOUS REVERSE CURRENT (µA) TJ =25ºC HER 60 40 HE TJ =25ºC R30 301(G 6(G )-H 20 )-HE ER3 R305 08( (G) G) 10 6 4 2 HER306-HER308 1 0 1 10 100 NUMBER OF CYCLES AT 60Hz 1000 .1 .2 .4 1.0 2 4 10 20 40 100 REVERSE VOLTAGE,(V) 46A–2/2