3.0 Amp SUPER FAST PLASTIC RECTIFIERS HER301 . . . 308 Series Data Sheet Mechanical Dimensions Description D0-27A 1.00 Typ. .285 .375 .031 Typ. .180 .210 Features n LOW COST n HIGH SURGE CAPABILITY n LOW LEAKAGE n MEETS UL SPECIFICATION 94V-0 Units HER301 . . . 308 Series 301 302 303 304 305 306 307 308 Peak Repetitive Reverse Voltage...VRRM 50 100 200 300 400 600 800 1000 Volts RMS Reverse Voltage...VR(rms) 35 70 140 210 280 420 560 700 Volts DC Blocking Voltage...VDC 50 100 200 300 400 600 800 1000 Volts Maximum Ratings Average Forward Rectified Current...IF(av) TA = 55°C ............................................. 3.0 ............................................... Amps Non-Repetitive Peak Forward Surge Current...IFSM @ Rated Current & Temp ............................................. 150 ............................................... Amps Operating & Storage Temperature Range...TJ, TSTRG ....................................... -65 to 150 ....................................... Maximum Forward Voltage @ 3.0A...VF < ................ 1.0 ............... > < .......... Maximum DC Reverse Current...IR @ Rated DC Blocking Voltage ............................................. 1 0 ............................................... µAmps ............................................. 200 ............................................... µAmps °C Electrical Characteristics TA = 25°C TA =100°C 1.3 1.7 ......... > Volts Typical Junction Capacitance...CJ (Note 1) ............................................. 8 0 ............................................... pF Typical Thermal Resistance...RθJC ............................................. 1.0 ............................................... °C / W Maximum Reverse Recovery Time...tRR (Note 2) < ....................... Page 4-26 50 ..................... > < ......... 7 5 .......... > ns 6 Peak Forward Surge Current (A) Average Forward Current (A) Forward Current Derating Curve 4 2 0 25 50 75 100 125 150 175 Ambient Temperature (°° C) Number of Cycles @ 60 Hz Typical Reverse Characteristics Typical Junction Capacitance Junction Capacitance (pF) µA) Reverse Current (µ Non-Repetitive Peak Forward Surge Current TJ= 150°C TJ= 100°C TJ = 25°C TJ = 25°C Reverse Voltage (V) Percent of Rated Peak Voltage Typical Instantaneous Forward Characteristics Reverse Recovery Characteristics Forward Current (A) Pulse Width = 300 µs % Duty Cycle TJ = 25°C Non-Inductive (+) (-) 50Ω Ω 25 VDC Ω D.U.T 10Ω 1Ω NonInductive (-) Pulse Generator Note 2 Oscilliscope (+) Note 1 Notes: Forward Voltage (V) HER301 . . . 308 Series 3.0 Amp SUPER FAST PLASTIC RECTIFIERS Data Sheet 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