Dongguan Dinghao Electronics Co., Ltd. specializes in the R&D and manufacturing of high voltage wirewound resistors, non-inductive wirewound resistors, glass glaze high voltage resistors and manganese copper shunt current sampling resistors.
Our products are widely used in frequency converters, charging piles, inverter power supplies and high voltage detection equipment. We support custom non-standard designs with stable quality and controllable delivery times.
Smooth quality, reliable performance for demanding applications.
Non-standard resistance, power and size available on request.
Controllable delivery schedule for OEM / ODM orders.
High voltage and high precision resistor series for power electronics, charging, inverter and detection applications.
Wound with special alloy wire, high resistance value and excellent stability. Suitable for high voltage divider and sampling circuits with pulse impact resistance.
Bifilar non-inductive winding structure with extremely low inductance and high resistance design. Ideal for high frequency and pulse circuits to suppress induced EMF.
High power current sampling resistor for frequency converters, charging piles, DC power supply and inverter current sampling.
Non-inductive glass glaze film, high withstand voltage and excellent high frequency characteristics. For high voltage pulse, ESD protection and high voltage sampling.
Thick film glass glaze high voltage resistor with high withstand voltage, small size and strong insulation. Custom resistance and power available.
High power manganese copper U-type shunt for energy storage converters, charging piles and high power inverter DC current sampling.
Ceramic core wirewound resistor with non-flammable cement housing. Good heat dissipation and high mechanical strength for power load and buffer circuits.
Aluminum housed power resistor with excellent thermal conduction and high power capability when mounted on a heat sink. For braking, load and inverter applications.
A specialized factory, not a general resistor supplier.
Specialized in high voltage & high precision resistors
Non-standard resistance / power / size supported
Stable quality with controllable delivery
Serving international customers with fast response
General reference values. Contact us for detailed datasheets or custom specifications.
| Product | Series | Typical Range | Key Feature |
|---|---|---|---|
| High Resistance Wirewound Resistor | KNP | 1Ω – 1MΩ+ | High stability, pulse resistant |
| Non-Inductive Wirewound Resistor | NKNP | 1Ω – 100kΩ | Extremely low inductance |
| Manganese Copper Shunt | MCS | 75A / 50mV, 100A / 50mV | Low temp-coefficient sampling |
| High Voltage Glass Glaze Resistor | RI80 / RI80-NI | 1kΩ – 100MΩ+ | High withstand voltage |
| Cement Fixed Resistor | KNP-CM | 1Ω – 50Ω, up to 15W+ | Flame retardant, power load |
| Aluminum Housed Power Resistor | RX24 | 5Ω, 10W – 100W+ | High power with heat sink |
Practical engineering references to help you choose the right resistor for your application.
Voltage, power, resistance and construction — a step-by-step selection guide for high voltage resistor applications.
Read the guide →Understand the inductance difference and pick the right type for high frequency and pulse circuits.
Read the guide →How to measure high DC current accurately in charging piles, storage and inverters — shunt vs Hall compared.
Read the guide →Tell us your application and requirements, we will reply with a suitable solution quickly.