ND431821 Powerex - Thyristor / Diode Module

ND431821 Description

Infineon Technologies (formerly Eupec) makes the ND431821, a dual diode module (POW-R-BLOK). It is used in phase-controlled rectifiers, soft starters, battery chargers and temperature controllers for furnaces and heaters. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.

USComponent has sourced power semiconductors for maintenance teams and OEMs since 2001. For price and availability of the ND431821, send us a request for quote. Please confirm the specifications against the manufacturer's datasheet before purchase.

Summary of Features

Target Applications

Powerex ND431821 is used for motor drives and inverters, servo amplifiers, UPS systems, welding machines and other industrial power switching equipment.

Key Specifications

ND431821 is a 1,800 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)	1,800 V
Rated forward / output current	210 A
Datasheet	Available on this page (PDF)

Technical document (PDF)  |  Request a quote for ND431821 (reply within 24 hours)