HER301 THRU HER308 Features • • • • 3.0 Amp High Efficient Rectifiers 50 to 1000 Volts High Surge Current Capability High Reliability Low Forward Voltage Drop High Current Capability Maximum Ratings • • • Operating Temperature: -55°C to +125°C Storage Temperature: -55°C to +150°C For capacitive load, derate current by 20% Device Maximum Maximum Catalog Marking Recurrent RMS Number Peak Reverse Voltage Voltage HER301 --50V 35V HER302 --100V 70V HER303 --200V 140V HER304 --300V 210V HER305 --400V 280V HER306 --600V 420V HER307 --800V 560V HER308 --1000V 700V DO-201AD Maximum DC Blocking Voltage 50V 100V 200V 300V 400V 600V 800V 1000V D A Cathode Mark B Electrical Characteristics @ 25°C Unless Otherwise Specified Average Forward Current Peak Forward Surge Current Maximum Instantaneous Forward Voltage HER301-304 HER305 HER306-308 IF(AV) 3A IFSM 150A 8.3ms, half sine VF 1.0V 1.3V 1.7V 10μA 200μA IFM = 3.0A; TA = 25°C TA = 55°C Reverse Current At IR TA = 25°C Rated DC Blocking TA = 100°C Voltage (Maximum DC) Maximum Reverse Recovery Time 50ns IF=0.5A, IR=1.0A, HER301-305 Trr 75ns Irr=0.25A HER306-308 Typical Junction Capacitance 80pF Measured at HER301-305 CJ 50pF 1.0MHz, VR=4.0V HER306-308 *Pulse Test: Pulse Width 300μsec, Duty Cycle 1% www.yfwdiode.com D C DIMENSIONS DIM A B C D INCHES MIN ----.048 1.000 MAX .370 .250 .052 --- MM MIN ----1.20 25.40 MAX 9.50 6.40 1.30 --- NOTE HER301 THRU HER308 RATINGS AND CHARACTERISTIC CURVES FIG.1- REVERSE RECOVERY TIME CHARACTERISTIC AND TEST CIRCUIT DIAGRAM 10W NONINDUCTIVE FIG.2- MAXIMUM AVERAGE FORWARD CURRENT DERATING trr AVERAGE FORWARD CURRENT. (A) 50W NONINDUCTIVE +0.5A (-) DUT (+) 50Vdc (approx) (-) PULSE GENERATOR (NOTE 2) 1W NON INDUCTIVE OSCILLOSCOPE (NOTE 1) 0 -0.25A (+) -1.0A NOTES: 1. Rise Time=7ns max. Input Impedance= 1 megohm 22pf 2. Rise Time=10ns max. Sourse Impedance= 50 ohms 1cm 3 2 1 25 50 75 100 125 150 175 O AMBIENT TEMPERATURE. ( C) 1.0 20 40 60 80 100 4 .1 .01 120 R3 0 HE 1~ 1.0 HE HE R3 R3 05 06 ~H ER 30 8 Tj=25 0C 10 Tj=25 0C 10.0 HE R3 0 INSTANTANEOUS FORWARD CURRENT. (A) Tj=100 0C 100 0.1 .4 .6 .8 1.0 FORWARD VOLTAGE. (V) .2 PERCENT OF RATED PEAK REVERSE VOLTAGE. (%) 1.2 1.4 FIG.6- TYPICAL JUNCTION CAPACITANCE FIG.4- MAXIMUM NON-REPETITIVE FORWARD SURGE CURRENT 175 JUNCTION CAPACITANCE.(pF) PEAK FORWARD SURGE CURRENT. (A) 4 100.0 1000 300 Single Phase Half Wave 60Hz Resistive or Inductive Load 0.375" (9.5mm) Lead Length 5 FIG.5- TYPICAL FORWARD CHARACTERISTICS FIG.3- TYPICAL REVERSE CHARACTERISTICS INSTANTANEOUS REVERSE CURRENT. ( A) SET TIME BASE FOR 5/ 10ns/ cm 6 200 100 150 125 HE R3 100 HE 01 ~H ER 30 R3 75 06~ HE 5 R3 50 08 25 0 0 1 10 100 NUMBER OF CYCLES AT 60Hz www.yfwdiode.com 1000 .1 .5 1 2 5 10 20 REVERSE VOLTAGE. (V) 50 100 200 500