The Semikron Danfoss SKKT 570/16 E is a high-reliability dual thyristor (SCR) module designed for demanding power control and rectification applications. Built using SEMIPACK 5 technology, it integrates two thyristors in a compact, electrically isolated package for efficient and robust performance.
Engineered for high current (570A) and high voltage (1600V) operation, this module is widely used in motor drives, soft starters, industrial rectifiers, and AC power controllers. Its advanced design ensures excellent thermal performance, high surge capability, and long-term reliability in harsh environments.
Key Features
-
Dual thyristor (SCR) configuration – compact and efficient power control
-
High current rating (570A) – suitable for heavy industrial loads
-
High voltage capability (1600V) – supports demanding applications
-
SEMIPACK 5 housing – industry-proven module platform
-
Isolated baseplate (AlN ceramic) – excellent thermal conductivity and electrical isolation
-
High surge current capability (~15–19 kA) – handles transient loads
-
Amplifying gate thyristor design – reliable triggering and switching
-
UL recognized component – compliant for industrial systems
Electrical
-
Average On-State Current (ITAV): 570 A
-
Repetitive Peak Voltage (VDRM/VRRM): 1600 V
-
Surge Current (ITSM): up to ~15–19 kA
-
On-State Voltage (VT): ~1.4–1.65 V
-
Gate Trigger Current (IGT): ~150–200 mA
-
Gate Trigger Voltage (VGT): ~3 V
Mechanical
-
Housing: SEMIPACK 5 module
-
Dimensions: approx. 150 × 60 × 52 mm
-
Mounting: Screw-mounted baseplate
-
Terminals: Faston / screw connections
-
Pin Count: 7 pins
Thermal & Environmental
-
Max Operating Temperature: ~125–135°C
-
Isolation Baseplate: Aluminum nitride ceramic for heat dissipation
-
Cooling: Heatsink required for operation
