Special Resistor
Resistors are various in types. But Southern Group has the ability to provide different custom resistors based on clients’ actual demands. If you also have such desires, and please contact us to customize.
Automotive ResistorSouthern Group can provide a series of resistors for car, such as engine cooling fan resistor, open type resistor for car, RXC vehicle ignition resistor, etc. Different parts have different requirements on the resistor. So please select the suitable resistor according to your applications.
Engine Cooling Fan Resistor
Engine cooling fan resistor is used to limit the current in an electric circuit so as to change the speed of the fan. This enables the engine to run normally.
Parameters
Power: 40W
Resistance: 0.36Ω
Ceramic Wire Wound Resistor for Cars
Ceramic wire wound resistor for cars adopts ceramic casing to have good voltage endurance capability. And it is not easy to burn, featuring extremely high safety. Besides, this resistor is characterized by high resistor accuracy and good stability, applicable to automatic control system, frequency control system, power unit, car audio, etc.
Main technical parameters
Rated power: 20W
Rated resistance and tolerance: 100Ω±5%
90Ω±5%
| Item | Test Method | Requirements |
| Insulation Resistance | DC500V; 1min | ≥100MΩ |
| Dielectric Strength | AC1500V(between casing and terminal) : 1 min | No mechanical damage; △R≤±(1% R+0.05Ω) |
| Short-time Overload | 10X rated power: 5s | No mechanical damage; △R≤±(2%R+0.05Ω) |
| Terminal Strength | Vertical tension: 20N and 10s | No mechanical damage; △R≤±(1% R+0.05Ω) |
| Resistance to Soldering Heat | 260℃; 5s | △R≤±(1% R+0.05Ω) |
| Vibration | 10-500Hz; amplitude: 0.75mm; x, y and z: 6h totally | △R≤±(1% R+0.05Ω) |
| Solder Ability | 235℃±5℃; 2+0.5s; Immersion height: 6mm±1 | Area covered with new solder≥95% |
| Resistance to Moisture | RH:90-95%; Temperature: 40±2℃; Exposed to moisture: 96h | △R≤±(5%R+0.1Ω) Insulation resistance>100MΩ |
| Load Life | 25℃±2℃; 0.5h on and 1.5h off: 1000h | △R≤±(5%R+0.1Ω) |
| Temperature Coefficient | ≤±250ppm/℃ |
Open type resistor for car belongs to spot-welding structure. It is resistant to flame, with an inductance smaller than 10nH. Thus it is suited for current inductor, reaction unit, low inductance device and so on.
Specifications
Rated power: 5W
Nominal resistance: 40Ω
Allowable deviation: ±10%
- Short-time overload: applying 10x rated power for 5s, the resistance variation is within 5%R+0.05Ω.
- Terminal strength: applying 10N for 1min, the resistance variation is within 1%R+0.05Ω.
- Vibration frequency: 10-55Hz, amplitude 0.75mm. Applying sinusoidal wave on vertical and horizontal direction for 2 hours, the resistance change is less than 2%R+0.05Ω.
RXC Vehicle Ignition Resistor
RXC vehicle ignition resistor is specially designed for vehicle igniter. Of better heat resistance and weather resistance, it helps to improve the automotive engine’s ignition performance in operation.
Parameters
Power: 20W Resistance: 4Ω±5%
Electric Stove Resistor
Electric stove resistor is a kind of non-inductive resistor. Usually it is used in instruments with higher precision to reduce vibration and avoid damaging other electronic elements in the circuit. What’s more, Southern Group is able to customize this resistor for various powers and resistances following your demands.
We have been in the business of manufacturing passive electronic components since 1989, and this page shows some of the special resistors that can be widely applied by car manufacturers. We can also provide other vehicle resistors that are used in engineering vehicles, trucks, SUVs and more. If you have not found the right resistors, please let us know your needs, and we can provide custom automotive resistors and other electronic components according to your demands.
