Overview
The Vishay Dale RH-50 wirewound resistor is an industrial-grade power resistor engineered for high-dissipation applications. With a 50W power rating, ±1% tolerance, and operating temperature range of −55°C to +250°C, this resistor provides stable, reliable performance in demanding circuits. The RH series features aluminum housing and chassis mount construction, enabling secure installation in equipment requiring fixed load impedance, current limiting, or precision load banks.
Key Features
- 50W power rating with ±1% tolerance
- 50 PPM/°C temperature coefficient for stable performance across temperature extremes
- Wirewound, enclosed construction; chassis mount package
- −55°C to +250°C operating temperature range
- 10Ω resistance value (lot of 9 units)
- Solder lug terminals for secure circuit integration
Technical Specifications
Refer to the specifications table below for complete electrical and mechanical data:
Typical Applications
The Dale RH-50 is widely deployed in:
- Load banks and power supply testing
- Current-limiting circuits in industrial control systems
- High-power dummy loads for RF and analog equipment
- Power dissipation in motor drives and inverter applications
- Precision load simulation in automated test equipment
Compatibility & Replacements
Compatible With
- Industrial control systems requiring fixed load impedance
- Power supplies and amplifier circuits
- Test benches and measurement equipment
- Motor drives and variable frequency drives (VFDs)
- DC and AC power applications up to 50W dissipation
Replaces / Drop-In Replacement For
The Dale RH-50 10Ω unit may replace other RH-series 10Ω 50W wirewound resistors with equivalent tolerance and temperature range. Verify mechanical mounting compatibility with your application before installation. Confirm exact part number from your technical documentation to ensure proper fit and function.
Works With
- Standard PCB and chassis-mount applications
- Heat sink assemblies for enhanced thermal dissipation
- Circuit designs requiring high power handling and low inductance
- Industrial power systems operating −55°C to +250°C ambient
