Semikron SKKT500-18E Power Supply Module SKKT50018E

Description:

The Semikron SKKT500-18E power module is used in industrial power control and rectification systems. Commonly installed in motor drives, power supplies, soft starters, and heavy industrial converters. Maintenance teams, OEMs, and system integrators use this part for replacement, retrofit, and high-power switching applications.

Applications:

The Semikron SKKT500-18E is used in industrial automation systems for controlling and converting high-power electrical loads. It is widely deployed in DC motor drives, AC controllers, rectifier systems, and heavy industrial equipment where precise power regulation is required. Its dual thyristor design enables reliable phase control and efficient operation in demanding environments such as steel plants and process industries.

Technical Specifications:

• Manufacturer: Semikron
• Model / Part Number: SKKT500-18E
• Product Type: Dual Thyristor (SCR) Power Module
• Current Rating: 500 A (at case temp. 89°C)
• Voltage Rating: 1800 V (V_RRM / V_DRM)
• Configuration: Thyristor–thyristor (dual SCR module)
• Surge Current: Up to 15,000 A
• On-State Voltage: Approx. 0.925 V
• Thermal Resistance (Junction to Case): Approx. 0.065 °C/W
• Turn-off Time: Approx. 200 µs
• Junction Temperature: Up to 130°C
• Package Type: SEMIPACK 5 housing
• Mounting: Heatsink mounting with screw terminals
• Control Terminals: Gate and cathode control connections
• Cooling: Requires external heatsink
• Weight: Approx. 1.4 kg

Common Replacements:

• Semikron SKKH500-18E
• Semikron SKKT500-16E
• AMKT 500-18E