Description
Overview
This 150W aluminum load resistor is built for high-power applications such as LED lighting, power conversion, and inverter systems. Its rugged housing ensures excellent heat dissipation and long-term reliability under continuous or pulsed loads. Ideal for engineers needing stable performance in current limiting, braking, or dummy load setups across industrial or commercial environments. RoHS compliant and customizable to meet specific resistance requirements
Features of Aluminum Load Resistor
- 1. Durable aluminum housing for better heat dissipation and protection
2. Ideal for LED load, inverter braking, and power testing
3. Stable resistance with minimal temperature drift
4. High overload tolerance, flame-retardant, non-inductive design
5. RoHS compliant and customizable resistance options

Dimension


Product performance
Power Rating: The RX24 resistor reaches full rated power at 25°C with a proper heat sink. Without a heat sink, reduce load accordingly.
Power Derating: To ensure performance, reduce power when ambient temperature exceeds 70°C, following the derating curve.
Product reliable performance
Test Item | Test Method | Procedure | Requirements |
---|---|---|---|
Terminal robustness | IEC60115-14.16 | Pressurizing force: 20N, 10 seconds | No damage |
Body robustness | IEC60115-14.15 | Central part pressurizing force: 10N, 10 seconds | No damage |
Vibration | IEC60115-14.22 | 10~55Hz / 0.75mm / 2H × 3 | No damage |
Soldering Heat | IEC60115-14.18 | 350±5℃, 3S±0.5S | △R/R ≤ ±0.5% |
Solderability | IEC60115-14.17 | 245±5℃, 5±0.5S | ≥95% |
Temperature coefficient (T.C.R.) | IEC60115-14.8 | Resistance at To & T = To+100℃ | Refer to Ratings |
Short Time Overload | IEC60115-14.13 | Min(√5×PxR UR), 5s | △R/R ≤ ±2.0% |
Voltage Proof | IEC60115-14.7 | Un, 60S, I ≤ 2mA | △R/R ≤ ±1% |
Insulation Resistance | IEC60115-14.6 | DC 500V, R > 100MΩ | △R/R ≤ ±0.5% |
Endurance | IEC60115-14.25 | Min(Up, UR), 1.5H-ON, 0.5H-OFF, 1000H | △R/R ≤ ±5% |
High Temp. Exposure | IEC60115-14.23 | 125℃, 80%, 500H | No damage |
Temperature Cycle | IEC60115-14.19 | Cycle time: 1000Hrs | No damage / △R/R ≤ ±0.5% |
Noninflammability | UL94-V0 | 16×Up, 5 min | No flame |
Applications of Aluminum Load Resistor
This dummy load resistor is widely used in:
LED lighting systems for load simulation and current limiting
Inverter startup protection and braking energy dissipation
Motor braking systems and regenerative energy handling
Power supply units and DC-DC converters
Industrial automation and servo drive systems
Elevators, cranes, and other heavy-duty electrical equipment
For more technical information on how power resistors work in LED and inverter applications, visit
Electronics Tutorials.
Looking for a higher power option? Check out our Aluminum Load Resistor for more demanding applications.
