Overview
The Semikron SKKD 46/14 is a dual diode rectifier module housed in the industry-standard SEMIPACK 1 package. Designed for industrial power control applications, this module combines high current handling (46A) with high voltage isolation (1400V peak reverse voltage), making it suitable for demanding power conversion and motor control systems.
Key Features
- Dual diode configuration for efficient AC-to-DC rectification
- High electrical and thermal cycling capability for long operational lifetime
- Standard SEMIPACK 1 housing for straightforward integration into existing equipment
- Isolated ceramic baseplate with hard-soldered joints for reliability
- Marked terminals (1, 2, 3: common anode-cathode, cathode, anode) for quick identification and wiring
Technical Specifications
- Forward Current (IF AV): 46 A
- Peak Reverse Voltage (VRRM): 1400 V
- Housing Type: SEMIPACK 1 (Semipack)
- Module Configuration: Dual diode rectifier
- Terminals: 3 (marked 1, 2, 3)
- Baseplate: Aluminium oxide ceramic isolated metal baseplate
- Joint Type: Hard soldered for high reliability
Typical Applications
The SKKD 46/14 is widely used across industrial applications requiring controlled power conversion:
- DC motor control for machine tools and automation equipment
- AC motor soft starters and frequency converters
- Temperature control systems (industrial ovens, chemical process control)
- Power regulators and AC/DC rectifiers
- Blast furnace and chemical process controllers
- Welding equipment and power supplies
Compatibility & Replacements
Compatible With
- Industrial power control units and regulators
- AC motor soft starter systems
- DC motor control circuits
- AC-to-DC converter circuits
- Rectifier units rated for 1400V/46A applications
Replaces / Drop-In Replacement For
- Equivalent dual diode modules in SEMIPACK 1 housing with same voltage and current ratings
- DGT Thyristors and Westcode equivalent modules (specific model numbers available upon request)
- AMKD 46-14 (alternative equivalent rectifier diode module)
Works With
- Industrial power conversion and rectification systems
- Three-phase and single-phase rectifier circuits
- Heatsink-based thermal management systems (standard rectifier module mounting)
- Standard industrial power control architectures and motor drive systems



