SKKH253-12E Semikron - Thyristor / Diode Module

SKKH253-12E Description

Rated at 1200 V and 420 A, the Semikron SKKH253-12E is a thyristor module. Typical applications include soft starters, AC power controllers, controlled rectifiers, DC motor drives and heating control. Production of many older modules has ended, but we keep sourcing them for repair and maintenance customers.

Request a quote for the SKKH253-12E and our team will get back to you with price, quantity available and lead time. We ship worldwide. As with any power device, please check the manufacturer's datasheet to confirm it matches your design.

Summary of Features

Target Applications

Semikron SKKH253-12E is used for AC/DC power conversion and control: controlled and uncontrolled rectifiers, DC motor drives, soft starters, battery chargers, welding equipment, heater and temperature control, and AC power controllers.

Key Specifications

SKKH253-12E is a 1,200 V, 253 A thyristor / diode module. Source: manufacturer datasheet (Semikron).

Parameter	Value
Product type	Thyristor / diode module
Repetitive peak reverse voltage (VRRM / VDRM)	1,200 V
Non-repetitive peak reverse voltage (VRSM)	1,300 V
Average on-state / forward current	253 A (sin. 180°, Tc = 85 °C)
RMS current, max. (continuous)	420 A
On-state / forward voltage, max. (Tvj = 25 °C)	1.7 V
Package	SEMIPACK 3
Weight	approx. 400 g
Datasheet	Available on this page (PDF)

Technical document (PDF)  |  Request a quote for SKKH253-12E (reply within 24 hours)