High Reliability Durable Flameproof Wire Wound Resistors ( Small Type )
1. Super heat dissipation with small linear temperature coefficient
2. Instant overload capability with low noise figure and low annual shift on resistance values
3. Flameproof construction with lightweight design and lower cost than enamel types
4. Durable winding wires that outperform enamel types in high temperature environments
Product Overview
Flame-retardant miniature wire-wound resistors are precision resistive elements that combine high power handling capacity with excellent heat resistance.
The product utilizes a high thermal conductivity ceramic substrate and high-quality alloy wire winding, exhibiting excellent heat dissipation efficiency and an extremely low linear temperature coefficient, enabling stable operation under high temperature and high load conditions.
The surface is coated with a flame-retardant coating, effectively preventing combustion and arcing, offering superior safety compared to traditional enameled resistors.
The miniaturized design achieves a compact structure while maintaining high power density, making it suitable for space-constrained power modules and compact control systems.
Its lightweight packaging not only saves installation space but also reduces assembly costs, making it a reliable choice for high-density electronic designs.
Product Technical Specifications
| Item |
Parameter Description |
| Product Name |
Flame-Retardant Wire-Wound Resistor |
| Resistance Accuracy |
±1%, ±5%(Accuracy up to 0.5%) |
| Temperature Coefficient |
±300ppm/°C (Typical) |
| Operating Voltage |
100V ～ 1000V (Depending on Model) |
| Operating Temperature Range |
-55°C ～ +275°C |
| Structural Design |
Flame-retardant coating, lightweight packaging |
| Noise Level |
Low Noise |
Product Performance Advantages
Superior Heat Dissipation & Stability
The unique wire-wound structure combined with the ceramic substrate provides excellent heat conduction and temperature control performance.
Instant Overload & Low Noise
Withstands instantaneous current surges while maintaining low noise characteristics and extremely low resistance drift.
Flameproof & Heat Resistant
The surface coating has passed flame retardant testing, preventing arcing and combustion, ensuring safety and reliability.
Durable Alloy Wire
Uses high-strength resistance alloy wire, offering superior high-temperature durability and mechanical stability compared to porcelain-enameled resistors.
Applications
Wire Wound Resistors, Flameproof are widely used in:
- Power Supply & Chargers
- Motor Control Circuits
- Instrumentation Equipment
- Industrial Automation Systems
- Overload Protection & Current Limiting Circuits
