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Vishay VS50RIA120 Medium Power Thyristor

The VS-50RIA120 is a versatile 3-pin medium-power phase-control thyristor designed for high-reliability applications including motor control, power supplies, and aerospace systems. It features excellent dynamic characteristics, high surge current capability, and a broad voltage range of 100 V to 1200 V. Suitable for phase control in converters, lighting circuits, and battery chargers, it offers robust operation with a maximum on-state current of 50 A and peak repetitive off-state voltages up to 1200 V. Compatible with standard packages and metric thread options for easy mounting.

Authorized Distributors
Source:Newark
Part No:VS-50RIA120
Stock:921
Inv Date:06-09-2026
Price: Unit price: $24.62
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Source:DigiKey
Part No:VS-50RIA120
Stock:482
Inv Date:06-09-2026
Price: Unit price: $29.87
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Part No:VS-50RIA120
Stock:40
Inv Date:06-10-2026
Price: Unit price: $29.87
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Part No:VS-50RIA120
Stock:39
Inv Date:06-09-2026
Price: Unit price: $30.24
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Part No:VS-50RIA120
Stock:100
Inv Date:06-09-2026
Price: Unit price: $8.97
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Vishay VS50RIA120 Medium Power Thyristor Specifications:

  • Maximum average on-state current: 50 A
  • Maximum RMS on-state current: 80 A
  • Peak surge current: 1490 A (non-repetitive)
  • Voltage range: 100 V to 1200 V (Vorw/Varw)
  • Maximum repetitive peak off-state voltage: up to 1200 V
  • Maximum on-state voltage: 1.60 V at 157 A
  • Gate trigger voltage: 20 V maximum
  • Gate trigger current: 100 mA maximum
  • Rise time: typical 110 us
  • Operating junction temperature: -40°C to +125°C
  • Thermal resistance (junction to case): 0.35 °C/W
  • Packaged in TO-208AC (TO-65), with metric thread option available
  • Dimensions: 22.4 mm max. width, 17.27 mm height, 14.5 mm length
  • Case style: TO-208AC (TO-65), suitable for high current switching

Buy the Vishay Series VS-50RIA120: Medium Power Phase Control Thyristor

Purchase the Vishay Series VS-50RIA120 thyristor online today for your high-reliability power control needs. Designed for motor controls, lighting circuits, and aerospace applications, this device offers excellent surge capacity, fast switching, and broad voltage ratings from 100 V to 1200 V. Its robust construction supports continuous operation at 50 A, with peak surge currents up to 1490 A. Equipped with a standard package and metric thread options, it ensures easy installation and dependable performance for demanding electronic projects.

Order your Vishay Series VS-50RIA120 thyristor today and enhance your power control solutions with reliable high surge and dynamic performance.

Frequently Asked Questions

Where can I buy Vishay VS50RIA120?

You can click on the BUY or RFQ button to purchase VS50RIA120 from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part VS50RIA120?

You can download the VS50RIA120 datasheet or visit the Vishay website for support.

Who is the manufacturer of VS50RIA120?

Vishay

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