HER308

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