High Reliability Durable Flameproof Wire Wound Resistors
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
Fire-resistant wire-wound resistors are resistive elements that combine high power dissipation performance with high stability.
This product is manufactured using a high thermal conductivity ceramic substrate and precision resistance alloy wire, exhibiting excellent heat dissipation capabilities and a small linear temperature coefficient, enabling stable operation under high temperature and high load environments.
The surface is coated with a fire-resistant coating, offering advantages in lightweight construction and cost-effectiveness. Overall performance surpasses traditional ceramic resistors, making it suitable for circuit systems requiring high safety and long lifespan.
Product Technical Specifications
| Item |
Parameter Description |
| Product Name |
Flame-Retardant Wire-Wound Resistor |
| Resistance Accuracy |
±1%, ±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
