3.0 Amp SUPER FAST PLASTIC RECTIFIERS HER301 . . . 305 Series Data Sheet Mechanical Dimensions Description D027A .374 1.00 Typ. .050 .197 Features n LOW COST n HIGH SURGE CAPABILITY n LOW LEAKAGE n MEETS UL SPECIFICATION 94V-0 Electrical Characteristics @ 25o C. HER301 . . . 305 Series Maximum Ratings HER301 HER302 HER303 HER304 HER305 Peak Repetitive Reverse Voltage...VRRM 50 100 200 300 400 Volts RMS Reverse Voltage...VR(rms) 35 70 140 210 280 Volts DC Blocking Voltage...VDC 50 100 200 300 400 Volts Units Average Forward Rectified Current...IF(av) TA = 55°C ............................................. 3.0 ............................................... Amps Non-Repetitive Peak Forward Surge Current...IFSM @ Rated Current & Temp ............................................. 150 ............................................... Amps Forward Voltage @ 3.0A...VF ............................................. 1.0 ............................................... Volts DC Reverse Current...IR @ Rated DC Blocking Voltage TA = 25°C TA = 100°C ............................................. 10 ............................................... µAmps ............................................. 200 ............................................... µAmps Typical Junction Capacitance...CJ ............................................. 80 ............................................... pF Typical Thermal Resistance...RθJC (Note 1) ............................................. 1.0 ............................................... °C / W Typical Reverse Recovery Time...tRR (Note 2) ............................................. 50 ............................................... nS Operating & Storage Temperature Range...TJ, TSTRG ......................................... -65 to 150 .......................................... °C Page 4-26 Non-Repetitive Peak Forward Surge Current Forward Current Derating Curve 6 Amps Amps 4 2 0 25 50 75 100 125 150 175 TA = Ambient Temperature (°°C) Number of Cycles @ 60 HZ Typical Reverse Characteristics Typical Junction Capacitance HER301 . . . 305 Series 3.0 Amp SUPER FAST PLASTIC RECTIFIERS Data Sheet TJ = 25°C pF mAmps TJ= 150°C TJ= 100°C TJ = 25°C Reverse Voltage (Volts) Percent of Rated Peak Voltage Typical Instantaneous Forward Characteristics Reverse Recovery Characteristics Pulse Width = 300 µs % Duty Cycle Amps TJ = 25°C Non-Inductive (+) (-) 50Ω Ω 25 VDC Ω D.U.T 10Ω 1Ω NonInductive (-) Pulse Generator Note 2 Oscilliscope (+) Note 1 Notes: Volts 1. Rise Time = 7 nS Max. Impedance = 1 megohm, 22 pF 2. Rise Time = 10 nS Max. Source Impedance = 50 Ohms NOTES: 1. Measured @ 1 MHZ and applied reverse voltage of 4.0V. 2. Conditions: IF = 0.5A, I R = 1.0A, I RR = 0.25A. +.5A tRR Ratings at 25 Deg. C ambient temperature unless otherwise specified. 0A -.25A -1.0A 1 cm Time Base Set @ 50/100nS/cm Single Phase Half Wave, 60 HZ Resistive or Inductive Load. For Capacitive Load, Derate Current by 20%. Page 4-27