ND431421 Infineon - Power Transistor Module
ND431421 Description
Infineon Technologies (formerly Eupec) makes the ND431421, a dual diode module (POW-R-BLOK). You'll find thyristors like this in soft starters, static switches, DC motor controllers and heater controls. Production of many older modules has ended, but we keep sourcing them for repair and maintenance customers.
We help engineers and repair technicians find parts like the ND431421, including obsolete ones. Send a quick RFQ for current pricing and delivery. Before ordering, please confirm ratings and pin-out with the official datasheet.
Summary of Features
- Electrically Isolated Heatsinking
- Aluminum Nitride Insulator
- Compression Bonded Elements
- Metal Baseplate
- Low Thermal Impedance for Improved Current Capability
- Quick Connect Gate Terminal with Provision for Keyed Mating
- Plug
- UL Recognized
Target Applications
Infineon ND431421 is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.
Key Specifications
ND431421 is a 1,400 V, 21 A dual diode module (POW-R-BLOK). Source: manufacturer datasheet.
| Parameter | Value |
|---|---|
| Product type | Dual diode module (POW-R-BLOK) |
| Repetitive peak reverse voltage (VRRM) | 1,400 V |
| Rated forward / output current | 21 A |
| Datasheet | Available on this page (PDF) |
Technical document (PDF) | Request a quote for ND431421 (reply within 24 hours)

