Metal Diode 40A Cathode Stud Mount
This heavy-duty Metal Diode 40A Cathode Stud Mount delivers robust performance in high-power environments, supporting continuous currents up to 40 A and reverse blocking voltage of 1200 V. Housed in a durable DO‑5 (DO‑203AB) metal package with a threaded stud cathode, it ensures efficient thermal dissipation when mounted to heatsinks. With a maximum forward voltage drop of approx. 1.3 V and high surge capacity, it is ideal for demanding applications such as industrial power supplies and solar/battery control systems.
Features
- Handles up to 40 A continuous current with excellent surge capability (~570 A, 50 Hz half-wave).
- Rated for 1200 V repetitive peak reverse voltage, suitable for high-voltage applications.
- Low forward voltage drop (~1.3 V at surge conditions).
- Rugged metal DO‑5 package with stud cathode for secure heatsink mounting.
- Tin-plated metal threading ensures reliable mechanical and electrical contact.
Specifications
| Parameter | Value |
|---|---|
| Package Type | DO‑5 (DO‑203AB) stud-mount |
| Stud Thread Diameter | Ø6.3 mm |
| Continuous Forward Current | 40 A (case temp up to 140 °C) |
| Repetitive Peak Reverse Voltage (VRRM) | 1200 V |
| Forward Voltage Drop (VFM) | ~1.3 V |
| Peak Surge Current (IFSM) | 570 A (50 Hz half-wave) |
| Junction Temperature Range | –65 °C to +190 °C |
| Thermal Resistance (RthJC) | ~0.95 K/W |
| Mounting Hardware | Hex nut and lock washer included |
Applications
- High-voltage rectifier stages in industrial power supplies.
- Freewheeling or blocking diodes in solar and battery charge controllers.
- Heavy-duty motor control and welding power circuits.
- Input/output isolation in battery and generator systems.
Package Contents
- 1x Metal Diode 40A Cathode Stud Mount.
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