Semiduken SKKT 72/18E Three-Phase Thyristor / Diode Power Module

• Model: SKKT 72/18E

• Brand: Semiduken

• Package Type: SEMIPACK® 1

• Module Configuration: Thyristor/Diode Dual Bridge

• Case Style: A46

• Rated ITAV (Avg. On-State Current): 70 A @ Tc = 85°C

• Maximum IT(RMS): 125 A

• Surge Current ITSM: 1600 A (Tj = 25°C), 1450 A (Tj = 125°C)

• VRRM (Repetitive Peak Reverse Voltage): 1800 V

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

• V_T (on-state voltage drop): Max. 1.4 V @ IT = 300 A

• V_T0: Max. 0.9 V

• r_T: Max. 1.5 mΩ

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

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

• Holding Current (I_H): Max. 300 mA

• Gate-Non-trigger Voltage (V_GD): Max. 0.25 V

• Gate-Non-trigger Current (I_GD): Max. 6 mA

• Critical dv/dt: 1000 V/μs

• Critical di/dt: 100 A/μs

• Thermal Resistance Rth(j-c): 0.37 K/W (per thyristor)

• Thermal Resistance Rth(c-h): 0.19 K/W (per module)

• Insulation Voltage: 3600 V~ 1 min

• Operating Temperature Range: -40°C ~ +125°C

• Storage Temperature: -40°C ~ +125°C

• Mounting Torque (to heatsink): 5 ± 15% Nm

• Mounting Torque (to terminals): 3 ± 15% Nm

• Vibration Resistance: 5 * 9.81 m/s²

• Dimensions: 93 mm x 30 mm x 20 mm

• Weight: Approx. 95 g

• Cooling Method: External heatsink

• Material: Aluminum oxide ceramic base

• Electrical Isolation: Integrated insulation

• Topology: Phase-controlled bridge rectifier

• Application: AC motor drives, soft starters, heaters, ovens

• Certifications: UL Recognized (E 63 532)

• Standard Compliance: IEC and UL

• Mounting Method: Screw mount with bolt terminals

• Lifecycle: Designed for industrial endurance

• Replacement Option: Alternative to SEMIKRON SKKT 72/18E