Overview
The Ohmite L225J500 is a high-power fixed resistor from the L225 Series, engineered for industrial and commercial applications requiring substantial wattage dissipation. The L225 series from Ohmite are 270 type vitreous enamel power resistors with tubular ceramic core and solder coated radial lug terminals. With a 500Ω resistance value and 225W power rating, this component is suitable for load banks, braking circuits, and thermal management applications.
Key Features
- Tubular ceramic core with solder coated radial lug terminals suitable for soldering or sturdy bolt connection
- Hollow core permits fastening with spring-type brackets, through bolts or through bolts with slotted-steel brackets
- Wirewound resistor element with ±260ppm/°C temperature coefficient
- All-welded construction with durable coating suitable for rugged applications
- 4.595kV voltage rating for high-voltage circuit protection
- ±5% resistance tolerance for consistent performance
Technical Specifications
Resistance: 500Ω, Power Rating: 225W, Resistance Tolerance: ±5%, Voltage Rating: 4.595kV, Resistor Element Type: Wirewound, Temperature Coefficient: ±260ppm/°C
Typical Applications
- Resistive load banks for testing power supplies and generators
- Dynamic braking circuits in industrial motor drives
- Energy dissipation in power conversion systems
- Thermal testing and equipment burn-in
- Industrial control and automation circuits
- Semiconductor equipment testing
Compatibility & Replacements
Compatible With
- Industrial power supply systems
- Motor control and braking applications
- Electrical test equipment and load banks
- High-voltage circuit protection systems
- Thermal management and dissipation circuits
Replaces / Drop-In Replacement For
- L225J500E (L225 Series variant with enhanced specifications)
- Other 500Ω, 225W L225 Series power resistors with solder lug terminals
Works With
- Solder and bolt-mounted installation methods
- Spring-type and slotted-bracket mounting systems
- High-temperature industrial environments (verified operating range available in detailed datasheet)
- Power electronics and control circuits rated for 4.595kV operation
