SKT 552/16E
Dual thyristor (SCR) module with 552A average current for phase control and power regulation.
Product Overview
Description
The SKT 552/16E is a dual thyristor module designed for phase control applications. With 552A average on-state current and 1600V repetitive peak off-state voltage, it handles high-power AC control.
This module features low on-state voltage drop and high surge current capability. The electrically isolated base plate simplifies mounting and cooling.
Ideal for soft starters, motor speed controls, power regulators, and heating controls requiring phase-angle control of AC power.
Product Series
Primary Application
Key Features
- 552A average current
- 1600V blocking
- Low on-state voltage
- High surge capability
- Isolated base
- Phase control optimized
Specifications
| Average Current | 552A |
|---|---|
| Blocking Voltage | 1600V |
| Forward Voltage | 1.15V typical |
| Recovery Time | N/A |
| Isolation Voltage | 2500V AC |
| Operating Temperature | -40°C to +125°C (junction) |
| Package | SEMiTRANS 3 |
Applications
Soft starters
Industrial application for Semikron Thyristor Module 552A 1600V
Motor speed controls
Industrial application for Semikron Thyristor Module 552A 1600V
Power regulators
Industrial application for Semikron Thyristor Module 552A 1600V
Heating controls
Industrial application for Semikron Thyristor Module 552A 1600V
AC switching
Industrial application for Semikron Thyristor Module 552A 1600V
FAE Expert Insights
"The SKT 552/16E is our standard thyristor for phase control applications. The 552A rating with 1600V handles most industrial AC control needs. Low on-state voltage keeps losses down during conduction. This module is widely used in soft starters, heating controls, and motor speed regulators. Ensure proper gate drive with sufficient current for reliable triggering."
552A/1600V thyristor, phase control
— Senior FAE, BeiLuo