Overview
The Clarostat VK200W-250 is a heavy-duty fixed wirewound resistor designed for demanding industrial and electronic applications. With a 250 ohm resistance, 200W power rating, and 5% tolerance, this component delivers reliable performance in high-power circuits, load banks, power supplies, and test equipment where thermal stability and repeatability are critical.
Key Features
- 250 ohm resistance with ±5% tolerance for precision applications
- 200W power dissipation capacity for high-energy load handling
- Wirewound construction provides excellent stability and thermal performance
- Robust design suitable for continuous-duty and industrial environments
- Available in fixed configuration with standard lead termination
Technical Specifications
- Resistance Value: 250 Ω
- Power Rating: 200 W
- Tolerance: ±5%
- Construction Type: Wirewound (fixed)
- Temperature Coefficient: ±(400–600) ppm/°C (typical for wirewound)
- Operating Temperature Range: –50°C to +155°C
- Approximate Dimensions: 5 × 4 × 4 inches (reference; verify per datasheet)
- Weight: ~1 lb
- Mounting: Axial or radial lead configuration
- Certifications: Industrial-grade component
Typical Applications
- High-power load banks and resistive loads for power supply testing
- Precision heating elements in industrial ovens and furnaces
- Dummy loads for RF and power electronics testing
- Current-limiting and power-dissipation circuits
- Brake resistors and dynamic load simulation
- Power electronics thermal testing and qualification
Compatibility & Replacements
Compatible With
- Any circuit design requiring 250 ohm fixed resistance load at 200W or below
- Industrial power supplies and uninterruptible power supplies (UPS)
- Test benches, lab equipment, and precision measurement systems
- Thermal stress testing and burn-in rack equipment
- Brake and load-dump circuits in variable-frequency drives
Replaces / Drop-In Replacement For
- Direct replacement for OEM Clarostat VK200W-250 units
- Cross-reference with equivalent 250 Ω, 200W wirewound resistors from manufacturers such as Dale Precision, Ohmite, and Vishay (verify part-specific compatibility and mounting)
- Suitable for applications previously using fixed VK-200 series Clarostat resistors at this resistance value
Works With
- Standard PCB and DIN-rail mounted power electronics assemblies
- Power supply units with external load or dummy-load requirements
- Manual and automated test racks requiring precision load simulation
- High-temperature environments with adequate heatsinking
