This document is a technical datasheet for the Powerex R7S2-09 Fast Recovery Rectifier. The device features an average forward current of 900 Amperes and a repetitive peak reverse voltage rating of 1600 Volts.
The datasheet provides absolute maximum ratings, electrical characteristics including forward voltage drop and reverse recovery time, and thermal parameters such as junction-to-case resistance. It also includes application examples for inverters and choppers, along with formulas for calculating conduction losses and allowable case temperatures.
| Average Forward Current (IF(av)) | 900 Amperes |
|---|---|
| Repetitive Peak Reverse Voltage (VARM) | 1600 Volts |
| One-half Cycle Surge Current (I2t) | 7500 Amperes |
| Maximum Reverse Recovery Time (trr) | 2.0 nsec |
| Forward Voltage Drop (VF) | 2.05 Volts |
| Maximum Junction to Case Thermal Resistance (Rth-jc) | 0.035 °C/Watt |
The maximum operating junction temperature (Tj) ranges from -40 to +150 °C.
The device is rated for an average forward current of 900 Amperes.
The maximum repetitive peak reverse voltage is 1600 Volts.