The Powerex R510 and R511 are general‑purpose silicon rectifiers designed for industrial applications such as welders, battery chargers and other high‑current loads. They are rated for an average forward current of 100‑150 A and a repetitive reverse voltage of 1200 V.
Key specifications include RMS forward current, surge current capabilities, forward voltage drop, reverse leakage current, mounting torque, and operating temperature ranges. The sheet also lists absolute maximum ratings and thermal resistance values to aid designers in proper selection and integration.
| Average Forward Current | 100‑150 A |
|---|---|
| RMS Forward Current | 160 A |
| One‑half Cycle Surge Current | 2300 A |
| 3‑Cycle Surge Current | 1875 A |
| 10‑Cycle Surge Current | 1350 A |
| Repetitive Peak Reverse Voltage (VRRM) | 1200 V |
| Non‑rep. Transient Peak Reverse Voltage | 1300 V |
| Forward Voltage Drop (470 A, 25 °C) | 1.55 V |
| Reverse Leakage Current | 30 mA |
| Maximum Resistance, Case to Sink (Lubricated) | 0.20 °C·W |
| Mounting Torque (Lubricated) | 120 in‑lb |
| Storage Temperature Range | -65 °C to +200 °C |
| Operating Temperature Range | -65 °C to +200 °C |
The average forward current rating is 100‑150 A.
The maximum repetitive reverse voltage is 1200 V.
The forward voltage drop is 1.55 V (R510) or 1.40 V (R511).
A lubricated mounting torque of 120 in‑lb is recommended.