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Vishay RT025AS1000KB Wirewound Rheostat

The Vishay Sfernice RT25 is a wirewound rheostat and potentiometer rated at 25 watts, designed for precise resistance adjustments in electronic circuits. Featuring vitreous insulation and adaptable panel mounting options, it offers a resistance range from 0.4Ω to 10Ω with a linear law, ensuring reliable performance in high-temperature environments from -55°C to +320°C. It has a mechanical travel of 300° ± 5°, operates with an adjustable spindle, and includes optional locking devices and command shafts for enhanced security and customization. The device complies with RoHS standards and provides robust dielectric and insulation characteristics, making it suitable for industrial control and instrumentation applications.

Authorized Distributors
Source:DigiKey
Part No:RT025AS1000KB
Stock:0
Inv Date:06-09-2026
Price: Unit price: $346.68
Buy/RFQ:
Part No:RT025AS1000KB
Stock:0
Inv Date:06-10-2026
Price: Unit price: $346.68
Buy/RFQ:
Part No:RT025AS1000KB
Stock:0
Inv Date:06-09-2026
Price: Unit price: $271.16
Buy/RFQ:

Vishay RT025AS1000KB Wirewound Rheostat Specifications:

  • Power Rating: 25 W at 25°C
  • Resistance Range: 0.4Ω to 10Ω
  • Resistance Tolerance: ±10%
  • Maximum Voltage: 300 V
  • Rated Current: up to 26 A at 0.4Ω, decreasing with higher resistance
  • Mechanical Travel: 300° ± 5°
  • Operating Temperature Range: -55°C to +320°C
  • Mechanical Protection: Vitreous
  • Climatic Category: e.e. 56
  • End Stop Torque: 50 N·cm
  • Weight: 809 grams
  • Mounting: Panel cut-out with optional locking device
  • Spindle Options: Various lengths up to 68mm
  • Installation: Through-hole with mounting screws

Buy the Vishay Series RT25 Wirewound Rheostat: RT025AS1000KB

Enhance your electronic control systems with the Vishay RT25 wirewound rheostat, rated at 25 watts with a linear resistance law. Designed for high-temperature environments, it features vitreous insulation, adjustable spindle, optional locking device, and panel mounting options, ensuring reliable performance and ease of installation. Suitable for industrial automation, instrumentation, and control panels, this device offers precise resistance tuning from 0.4Ω to 10Ω, with a travel of 300°, ensuring accurate adjustments in demanding applications. Order online now to add this robust component to your project.

Get Vishay RT25 series wirewound rheostat today—built for precise resistance adjustment and long-lasting durability in industrial environments.

Frequently Asked Questions

Where can I buy Vishay RT025AS1000KB?

You can click on the BUY or RFQ button to purchase RT025AS1000KB from an authorized Vishay distributor.

How do I troubleshoot issues or seek technical support for part RT025AS1000KB?

You can download the RT025AS1000KB datasheet or visit the Vishay website for support.

Who is the manufacturer of RT025AS1000KB?

Vishay

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