The Semikron SKKT 57B16 E is a rugged, dual‐thyristor (SCR) module from the SEMIPACK® 1 series, designed for panel mounting. It’s configured in a series‐connected dual format, each SCR rated for continuous forward current up to 50 A (95 A RMS surge) and a high blocking voltage of 1.6 kV. The module features a hard-soldered Al₂O₃ ceramic-to-metal baseplate for superior thermal management and isolation, seven connection pins, and a compact form factor (~93 × 20 × 30 mm). It's UL recognized and RoHS compliant, with high-temperature operation up to 125 °C, making it suitable for demanding industrial environments.

Why choose the Semikron Dual Thyristor?

This module offers reliable power switching with robust protection and high efficiency in industrial control, motor drives, welding, battery charger, and thermal management applications. Its series‐connected SCRs simplify circuit design by reducing external coupling needs. Semikron’s reputation further ensures consistent quality, long lifecycle, and excellent support from UK and international distributors.

Standout Features of the SKKT 57B16 E Panel-Mount Dual Thyristor Module:

  • High current & voltage capability
  • Thermally robust construction
  • Compact panel mount design 
  • Reliable gate control
  • Standards compliance.

Semikron SKKT 57B16 E, Dual Thyristor Module SCR, 50A 1600V, Panel Mount

Manufacturer:
Manufacturer Part No:
SKKT 57B16 E
Enrgtech Part No:
ET13959548
Warranty:
Manufacturer
£ 42.67 £ 29.87
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Repetitive Peak Forward Blocking Voltage:
1600V
Repetitive Peak Reverse Voltage:
1600V
Peak On-State Voltage:
1.65V
Dimensions:
93 x 20 x 30mm
Mounting Type:
Panel Mount
Surge Current Rating:
1.5kA
Rated Average On-State Current:
50A
Repetitive Peak Off-State Current:
15mA
Package Type:
SEMIPACK1
Minimum Operating Temperature:
-40 °C
Maximum Holding Current:
250mA
Maximum Gate Trigger Current:
150mA
Thyristor Type:
SCR Module
Maximum Operating Temperature:
+125 °C
Pin Count:
7
Maximum Gate Trigger Voltage:
3V
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SKKT 57, SKKH 57, SKKT 57B, SEMIPACK1 Thyristor / Diode Modules(Technical Reference)



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