Semiduken SKKT 42/18E Three-Phase Thyristor / Diode Power Module

• Model: SKKT 42/18E

• Brand: Semiduken

• Package Type: SEMIPACK® 1

• Module Structure: Dual Thyristor + Diode

• Case Type: A46

• Configuration: Bridge module

• ITAV (Avg. On-State Current): 40 A (Tc = 85 °C)

• ITRMS (RMS Current): 75 A

• ITSM (Surge Current): 1000 A

• VRRM (Repetitive Peak Reverse Voltage): 1800 V

• VRSM (Non-Repetitive Peak Reverse Voltage): 1900 V

• IGT (Gate Trigger Current): Max. 150 mA

• VGT (Gate Trigger Voltage): Max. 2.5 V

• IH (Holding Current): Max. 150 mA

• IGD (Gate Recovery Current): Max. 6 mA

• VGD (Gate Blocking Voltage): Max. 0.25 V

• dv/dt (Critical Rate of Rise of Voltage): Max. 1000 V/μs

• di/dt (Critical Rate of Rise of Current): Max. 100 A/μs

• Gate Power Dissipation: < 0.2 W

• Thermal Resistance Rth(j-c): 0.69 °C/W (per thyristor)

• Thermal Resistance Rth(c-h): 0.33 °C/W (module)

• Operating Temperature: -40 to +125 °C

• Storage Temperature: -40 to +125 °C

• Insulation Voltage: 3600 V~ / 1 min

• Weight: approx. 95 g

• Dimensions: 93 × 20 × 30 mm

• Mounting Hole: M5

• Torque to Heatsink: 5 ±15% Nm

• Torque to Terminals: 3 ±15% Nm

• Vibration Resistance: 5 × 9.81 m/s²

• Certification: UL Recognized, No. E 63 532

• Key Applications: DC motor control, AC soft starters, temperature regulation, dimming control

• Service Life: Designed for long-term industrial use

• Switching Response: Fast and stable

• Housing Material: Aluminum oxide ceramic insulated baseplate

• Cooling: External heatsink required

• Heat Transfer: Double-sided thermal conduction

• Mounting: Bolt-down with heatsink

• Topology: 3-phase rectifier bridge

• Industry Use: Automation, machinery, drives, motor control

• Replacement Compatibility: Equivalent to SEMIKRON SKKT 42/18E

• Production Standard: IEC and UL compliant