SKT 551

Thyristor Discretes
B11 (D42x14)

Part Number 01890270;01890290;01890300
Product Status In production
Housing Capsule Thyristor
VRRM / VDRM in V 1200-1800
IF / IT in A 550
IFSM / ITSM in A 8000
Technology Thyristor

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SEMIKRON B11 (D42x14)


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SKT 551 Features

  • Hermetic metal case with ceramic insulator
  • Capsule package for double sided cooling
  • Shallow design with single sided cooling
  • International standard case
  • Off-state and reverse voltages up to 1800 V
  • Amplifying gate

SKT 551 Target Applications

  • DC motor control (e. g. for machine tools)
  • Controlled rectifiers (e. g. for battery charging)
  • AC controllers (e. g. for temperature control)
  • Recommended snubber network e.g. for VVRMS ≤ 400 V: R = 33 Ω/32 W, C = 0,47 µF

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