Features
- Super heat dissipation small linear temperature coefficient.
- Instant overload capability low noise figure and low annual shift on resistance values.
- Flameproof, light weight, price is lower than enamel types.
- Winding wires are much more durable than enamel types which are produced in high temperature.
Product Positioning & Core Purpose
The KNP Series Flameproof Wire Wound Resistor is designed for industrial electronic applications requiring stable performance, excellent heat dissipation, and long-term reliability. The resistor adopts a durable wire wound construction combined with a flameproof coating, making it suitable for demanding operating environments.
With operating temperatures from -55°C to +200°C, insulation resistance up to 1000MΩ, and dielectric withstanding voltage reaching 1000V on selected models, the KNP series delivers dependable performance for industrial power and control systems.
As a professional wire wound resistor manufacturer, power wire wound resistor supplier, and wire wound resistor factory China, we provide reliable resistor solutions for OEM and industrial equipment manufacturers in the Korean market.
Product Specifications
| Item |
Specification |
| Series |
KNP Series |
| Product Type |
Flameproof Wire Wound Resistor |
| Power Rating |
1/4W to 10W |
| Resistance Range |
0.1Ω to 3.3kΩ |
| Resistance Tolerance |
±1%, ±5% |
| Temperature Coefficient |
300ppm/°C |
| Operating Temperature |
-55°C to +200°C |
| Withstanding Voltage |
250V to 1000V |
| Insulation Resistance |
≥1000MΩ |
| Load Life |
1000 Hours at 70°C |
| Moisture Load Life |
1000 Hours at 40°C / 95% RH |
| Surface Temperature Rise |
Max. 275°C |
| Flameproof Performance |
Nonflammable |
| Mounting Type |
Axial Lead Through Hole |
Applications
Industrial Power Supply Systems
Suitable for power regulation, voltage balancing, and current limiting functions.
Industrial Automation Equipment
Widely used in PLC systems, control cabinets, and automation modules.
Motor Drives and Controllers
Provides stable resistance performance under continuous operation conditions.
Inverters and Power Conversion Equipment
Supports reliable operation in power conversion and energy management systems.
Energy Storage Systems (ESS)
Applicable to battery management and energy control circuits.
LED Drivers and Electronic Equipment
Used in power management and protection circuits requiring high reliability.
