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Littelfuse Teccor® Brand Power Thyristors

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Littelfuse Teccor® Brand Power Thyristors

Littelfuse's newly released Enhanced Version (EV) series of thyristors feature a minimum rated blocking voltage (Vdrm/Vrrm) of up to 800V, a maximum turn-on time (tq) as low as 25µs, and a minimum rated static dv/dt of up to 75V/µs - a five times improvement over earlier thyristors of this type. The enhanced characteristics minimize the need for additional snubber components for circuit protection. The EV series comes in a full range of gate sensitivities and industry standard packaging variations, and are pin-to-pin compatible with popular models already in use.

Littelfuse is focused on delivering easy-to-use, high performance, and high quality products to our customers. In addition to continuous improvements in manufacturing processes, Littelfuse is actively developing product performance enhancements and new differentiated solutions to existing applications problems.

Features & Benefits:

  • High surge & DV/DT performance
  • Enhanced thermal characteristics
  • Robust designs
  • Capable of operations at 125°C junction temperatures
  • Wide vareity of package combinations
  • Offering blocking voltages up to 1,000V
  • Mechanical & electrical customization upon request
  • UL Recognition for 2,500V minimum isolation voltage on TO-220 & TO-218 isolated packages
  • Alternistor triacs for use in high DV/DT applications without RC snubber
  • RoHS Compliant


  • Ground Fault Circuit Interrupter (GFCI)
  • Variable Motor Spped Controls
  • Light Dimmers
  • Solid State Relays
  • Battery & Fence Chargers
  • Voltage Regulators
  • Small Engine Gas Ignition
  • Smoke Detector
  • Instant/Tankless Water Heaters
  • Small Appliances
  • Personal Care Products
  • White Goods
  • Traffic Light Control
  • Vending Machine Controls
  • Lighting
  • Irrigation Controls