Overview
The Clarostat VP25KA is a precision variable wire-wound resistor designed for demanding industrial and electrical applications. With an adjustable 2kΩ resistance range and 25W power rating, this component provides precise control over circuit behavior in power dissipation, current limiting, and load testing scenarios. The VP25KA series represents decades of Clarostat manufacturing expertise in power resistor design.
Key Features
- Adjustable resistance control with 5% tolerance for precision tuning
- 25W continuous power rating suitable for moderate- to high-power applications
- Wire-wound construction ensures stable performance and heat dissipation
- Lug terminals for secure, reliable electrical connections
- Compact form factor: 2″ long × 11/16″ diameter
- Suitable for test equipment, power control circuits, and load banks
Technical Specifications
- Nominal Resistance: 2kΩ (adjustable)
- Power Rating: 25W
- Tolerance: 5%
- Terminal Type: Lug terminals
- Construction: Wire-wound
- Length: 2 inches
- Diameter: 11/16 inch (round)
- Series: VP25KA
Typical Applications
- Load banks and power testing equipment
- Precision current limiting circuits
- Power dissipation and heat generation for thermal testing
- Adjustable voltage dividers and attenuators
- Industrial control system resistive loads
- Audio amplifier dummy loads and biasing networks
Compatibility & Replacements
Compatible With
- Standard AC/DC power supply circuits operating up to 25W
- Industrial test and measurement equipment
- Control panels and power distribution systems
- Any circuit requiring adjustable 2kΩ load resistance
Replaces / Drop-In Replacement For
- Verify replacement compatibility with original equipment specifications before substitution.
- Other Clarostat VP25KA variants with different resistance values are mechanically and electrically compatible.
Works With
- Rheostat control systems for variable load applications
- Power supply design and testing workflows
- Thermal chamber and accelerated life testing setups
