FASTORB - 50 Amp Avalanche AUTOMOTIVE RECTIFIERS Data Sheet Mechanical Dimensions FR5028 Description Options - Add Suffix to Part #: FR5028L = 2 Leads For 1 Lead: FR5028C = Lead On Cathode FR5028A = Lead On Anode Features n AVALANCHE VOLTAGE 24 TO 32 VOLTS n INEXPENSIVE n GLASS PASSIVATED DIE FR5028 Maximum Ratings Peak Repetitive Reverse Voltage Working Peak Reverse Voltage DC Blocking Voltage Repetitive Peak Reverse Surge Current Time Constant = 10 ms, Duty Cycle 1%, TC = 25°C Symbol VRRM VRWM VDC IRSM Value 20 20 20 150 Units Volts Volts Volts Amps IO 50 Amps IFSM 800 Amps TJ, T STRG -65 to 175 °C (See Fig. 1) Average Forward Rectified Current Single Phase, Resistive Load, 60 Hz, TC = 150°C Non-Repetitive Peak Forward Surge Current Surge Supplied @ Rated Load Conditions, ½ Wave, Single Phase Operating & Storage Temperature Range Thermal Resistance, Junction to Lead Both Equal Length Leads to Heat Sink RθJL Thermal Resistance, Junction to Case RθJC Length Max. Units IRRM (EXP) 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 Instantaneous 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 2-24 Fig. 1 °C / W 30 50 Surge Current Characteristics Min. N/A N/A 24 N/A N/A N/A Max. 1.1 1.0 32 38 0.096 2 Units Volts µAmps Volts Volts % / °C mV / °C