CD420840A Powerex - Thyristor / Diode Module

CD420840A Description

Powerex makes the CD420840A, a dual SCR module (POW-R-BLOK). You'll find thyristors like this in soft starters, static switches, DC motor controllers and heater controls. If you are repairing older equipment, we can usually find this exact part, including date codes that are no longer in production.

USComponent is a BBB A+ accredited distributor that specializes in power modules and industrial components, new and legacy. Ask us for a quote on the CD420840A; we ship worldwide. Please verify the ratings and package against the manufacturer's datasheet first.

Summary of Features

Target Applications

Powerex CD420840A is used for General Purpose Inverter, Uninterruptible Power Supply, Servo & Spindle Drive for CNC Machine Tools, Robotics (Servo Drive for Robots), Switching Power Supplies for Welding Machines.

Key Specifications

CD420840A is an 800 V, 40 A dual SCR module (POW-R-BLOK). Source: manufacturer datasheet.

Parameter	Value
Product type	Dual SCR module (POW-R-BLOK)
Repetitive peak voltage (VDRM / VRRM)	800 V
Rated on-state current	40 A
Datasheet	Available on this page (PDF)

Technical document (PDF)  |  Request a quote for CD420840A (reply within 24 hours)