Description

The SCF40C80 SCR is highly capable of handling the shock loads caused by large currents and offers a high dV/dt rating, making it highly resistant to electromagnetic interference. It is particularly suitable for applications such as solid-state relays, motorcycles, power chargers, and power tools. It provides a rated insulation voltage of 2000 VRMS between all three terminals and an external heatsink. The TO-220F package complies with RoHS standards.

Main Technical Parameters

  • Package type: TO-220F
  • Off-state repetitive peak voltage/Reverse repetitive peak voltage (VDRM/VRRM): 800V
  • Maximum on-state current (IT(RMS)): 40A
  • Trigger current (IGT): ≤35mA
  • Dv/dt strong anti-interference ability: ≥200V/μs

Working Principle

SCR is a four-layer, three-terminal semiconductor device with three terminals: anode (A), cathode (K) and gate (G). When a positive voltage is applied to the anode relative to the cathode and a positive trigger current is applied to the gate, the SCR turns on. Once turned on, even if the gate trigger signal disappears, the SCR will remain in the on state until the main current drops below the holding current.

Features and Advantages

1.TO-220F Package Advantages

  • Insulation performance: no additional insulation gasket required
  • Easy installation: simplifies the heat sink installation process
  • Cost-effectiveness: reduces assembly steps and materials
  • Reliability: reduces failures caused by insulation problems

2.Performance Advantages

  • Glass-passivated mesa chip for reliability and uniform
  • High current output up to 40A

Typical Applications

  • AC motor control: speed regulation, soft start, etc.
  • Temperature control system: electric heating equipment
  • Lighting control: stage lighting, dimmer
  • Power conversion: AC-DC conversion circuit
  • Industrial automation: various industrial control equipment

Product Line

For datasheet and more details of SCF40C80, please visit the website:

https://en.semiware.com/standard-scr/scf40c80

About Semiware
Semiware has a comprehensive product lineup of circuit protection device products. The company leverages its technology in the semiconductor field and application background in end products to serve customers in the electronics, automotive and industrial markets. For more information, please visit semiware official website: https://en.semiware.com/

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