Semikron SKT 551/16E

Semikron SKT 551/16E

Overview

The Semikron SKT 551/16E is a high-current thyristor module rated at 551 A and 1600 V, designed for demanding industrial power control and rectifier applications. Housed in the robust SEMIPACK 3 case, it ensures excellent thermal performance, high surge current capability, and long-term reliability in harsh environments.

Key Features

• Blocking Voltage: 1600 V

• Current Rating: 551 A

• Single thyristor configuration

• SEMIPACK 3 rugged housing

• Electrically isolated baseplate

• High dv/dt and surge current tolerance

Technical Specifications

• Module Type: Thyristor

• VDRM/VRRM: 1600 V

• IT(AV): 551 A

• Surge Current: >9000 A

• Isolation Voltage: 3000 V RMS

• Housing: SEMIPACK 3

• Mounting: Chassis mount

• Operating Temperature: –40 °C to +125 °C

Applications

• High-power rectifiers

• AC motor soft starters

• Industrial heating systems

• Welding and power conversion

• Heavy-duty phase control

Why Choose the SKT 551/16E

• Handles high current in compact design

• Trusted Semikron performance

• Built for rugged industrial environments

• Easy to integrate and maintain

Order Now

The Semikron SKT 551/16E thyristor module is available and ships worldwide.

Return to the Semikron IGBT Modules collection for more models, ratings, and configurations.

Explore the Power Electronics Components main category main category to discover diodes, thyristors, GTOs, MOSFETs, and other semiconductor solutions.

Original Manufacturer Packaging

These products are industrial surplus items preserved in the original manufacturer box. Learn More

DDPARTSSOLUTION Packaging

These products are industrial surplus items shipped in secure DDPARTSSOLUTION protective packaging. Learn More

Refurbished

These products have been previously installed or may show cosmetic signs of prior handling. Learn More