HER501 THRU HER508 Ultra Fast Rectifiers FEATURES DO-201AD(DO-27) DO-201AD() · Plastic package has Underwriters Laboratory Flammability Classification 94V-O ctilizing Flame Retardant Epoxy Molding Compound. · Void-free Plastic in a DO-201AD package. · 5.0 ampere operation at T A=50℃ With no .937 23.8 thermal runaway. · Ultra Fast switching for high efficiency. · Exceeds environmental standards of MIL-S-19500/228 MECHANICAL DATA .937 23.8 Case: Molded plastic, DO-201AD Terminals: Axial leads, solderable per MIL-STD-202, method 208 guaranteed Polarity: Band denotes cathode Mounting position: Any Dimensions in inches and (millimeters) Weight: 0.04ounce, 1.1gram Maximum Ratings and Electrical Characteristics Ratings at 25 ℃ ambient temperature unless otherwise specified. Single phase, half wave, 60H Z, resistive or inductive load. For capacitive load, derate current by 20%. Symbols HER501 HER502 HER503 HER504 HER505 HER506 HER507 HER508 Maximum Recurrent Peak Reverse Voltage VRRM 50 Maximum RMS Voltage VRMS 35 70 140 210 280 420 Maximum DC Blocking Voltage VDC 50 100 200 300 400 600 Maximum Average Forward Rectified Current .375"(9.5mm) Lead Length at T A=50℃ 100 200 300 400 600 Units 1000 Volts 560 700 Volts 800 1000 Volts 800 I(AV) 5.0 Amp IFSM 150 Amp Peak Forward Surge Current, 8.3ms single half-sine-wave superimposed on rated load (JEDEC method) Maximum Forward Voltage at 5.0A and TA=25℃ Maximum Reverse Current at TJ=25℃ at Rated DC Blocking Voltage T J=100℃ VF 1.3 1.0 1.7 10.0 IR Volts uAmp 750 Typical Junction Capacitance (Note 1) CJ 70 50 pF Maximum Reverse Recovery Time (Note 2) TRR 50 75 nS Typical Thermal Resistance (Note 3) RθJA 20 ℃/W TJ，Tstg -55 to +150 ℃ Operating and Storage Temperature Range NOTES: 1- Measured at 1 MH Z and applied reverse voltage of 4.0 VDC. 2- Reverse Recovery Test Conditions：IF=.5A，IR=1A，IRR=.25A. 3- Thermal Resistance from Junction to Ambient at 0.375"(9.5mm) lead length P.C.B. Mounted. http://www.trr-jx.com HER501 THRU HER508 Ultra Fast Rectifiers RATINGS AND CHARACTERISTIC CURVES http://www.trr-jx.com