The 45L/150K is a standard recovery diode from IRF that has high current carrying capability and high surge current capabilities. This diode is typically used in battery chargers, welders, machine tool controls, high power drives, medium traction applications, and freewheeling diodes. Key parameters include IF(AV) of 150 A@TC 150 °C, IF(RMS) of 235 A, IFSM of 3570 A@50Hz or 3740 A@60Hz, I2t of 64 KA2s@50Hz or 58 KA2s@60Hz, VRRM range of 100 to 600 V, and TJ of -40 to 200 °C. This diode is available in a DO-205AA (DO-8) package.
This document is a technical datasheet for the International Rectifier 45L(R), 150K, and KS(R) Series Standard Recovery Diodes. It provides detailed electrical specifications, thermal characteristics, and mechanical dimensions for these alloy diode devices designed for high current applications.
The text outlines major ratings such as maximum average forward current of 150A and peak non-repetitive surge currents up to 3740A. It includes ordering information tables explaining device codes for voltage, polarity, and case styles (DO-205AA/DO-8, DO-205AC/DO-30, B-42), along with thermal resistance values and mounting torque requirements.
| Max. average forward current | 150 A |
|---|---|
| Max. peak non-repetitive surge current | 3740 A |
| Voltage range | 100 to 600 Vv |
| Max. junction operating temperature range | -40 to 200 °C |
| Case style for 150K-A | DO-205AA (DO-8) |
Typical applications include battery charges, welders, machine tool controls, high power drives, medium traction applications, and freewheeling diodes.
The maximum forward voltage drop is 1.33 Vv under specific conditions of 47A at 25°C.