FASTORB - 70 Amp Avalanche AUTOMOTIVE RECTIFIERS Data Sheet Mechanical Dimensions Description Options - Add Suffix to Part #: FR7028L = 2 Leads FR7028 .395 For 1 Lead Small Pkg: FR7028C = Lead On Cathode FR7028A = Lead On Anode Leads 1.00 typ. .05 Dia. .276 .242 .175 Features n INEXPENSIVE n AVALANCHE VOLTAGE 24 TO 32 VOLTS n GLASS PASSIVATED DIE FR7028 Maximum Ratings Peak Repetitive Reverse Voltage Symbol Value Units VRRM 20 Volts Working Peak Reverse Voltage VRWM 20 Volts DC Blocking Voltage VDC 20 Volts Repetitive Peak Reverse Surge Current IRSM 200 Amps IO 70 Amps IFSM 1000 Amps Average Forward Rectified Current Non-Repetitive Peak Forward Surge Current Surge Supplied @ Rated Load Conditions, ½ Wave, Single Phase Thermal Resistance, Junction to Lead Both Equal Length Leads to Heat Sink RθJL Thermal Resistance, Junction to Case RθJC Length Max. Units ¼" ¾"8 ½" 7.5 10 13 °C / W °C / W °C / W IRRM (EXP) 0 10 .8 Typ Electrical Characteristics Instantaneous Forward Voltage (IF = 100 Amps, TC = 25°C)...VF Reverse Current (VR = 20 VDC, TC = 25°C)...IR Breakdown Voltage (IR = 100 mAmps, TC = 25°C)...VBR Clamping Voltage (IR = 90 Amps, TC = 150°C, PW = 80 µs)...VBR Typical Breakdown Voltage Temperature Coefficient...V(br) TC Typical Forward Voltage Temperature Coefficient...(IF = 10 mA) VF(tc) Page 2-26 Fig. 1 IRRM (EXP) °C / W 30 50 Surge Current Characteristics Min. N/A N/A 24 N/A N/A N/A Max. 1.0 1.0 32 37 0.096 2 Units Volts µAmps Volts Volts % / °C mV / °C