SKET400-18E Semikron - Thyristor Module

SKET400-18E Description

Semikron SKET400-18E 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.

USComponent (Young & New Century LLC) supplies power modules, thyristors, diodes and other industrial components, including legacy parts. Contact us for a quote on the SKET400-18E, and please confirm ratings against the datasheet before ordering.

Summary of Features

Target Applications

Semikron SKET400-18E 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

SKET400-18E is a 1,800 V, 400 A thyristor module. Source: manufacturer datasheet (Semikron).

Parameter	Value
Product type	Thyristor module
Repetitive peak reverse voltage (VRRM / VDRM)	1,800 V
Non-repetitive peak reverse voltage (VRSM)	1,900 V
Average on-state / forward current	400 A (sin. 180°, Tc = 84 °C)
RMS current, max. (continuous)	700 A
Surge current (10 ms, Tvj = 130 °C)	12,000 A
On-state / forward voltage, max. (Tvj = 25 °C)	1.7 V
Weight	approx. 940 g
Datasheet	Available on this page (PDF)

Technical document (PDF)  |  Request a quote for SKET400-18E (reply within 24 hours)