Wire Wound Resistors, Flameproof, Anti-Surge
- Excellent anti-surge characteristics - 6KV according to IEC 61000-4-5
- Superior heat dissipation with minimal linear temperature coefficient
- Flameproof coating resistant to heat and chemical solvents
Product Overview
Surge-resistant, fire-resistant, and pulse-resistant wire-wound resistors are high-reliability power resistors specifically designed for high-energy pulse absorption and circuit protection.
This product features excellent surge protection performance (withstanding surge voltages up to 6KV, compliant with IEC 61000-4-5 standards), remaining stable even under transient overvoltages and high-energy surges.
The surface is coated with a fire-resistant coating, effectively preventing combustion caused by overheating or arcing, while also possessing high-temperature resistance and chemical solvent resistance.
Technical Specifications
| Item |
Parameter Description |
| Product Name |
Anti-Surge Flameproof Wire Wound Resistor |
| Surge Resistance Rating |
Withstands surge voltage up to 6KV (IEC 61000-4-5) |
| Insulation Withstand Voltage |
1000V AC / 1 minute |
| Coating Characteristics |
Flame-retardant coating (heat resistant, solvent resistant) |
III. Key Features & Advantages
Excellent Anti-Surge Performance
Tested according to IEC 61000-4-5 standard, it can withstand transient surge voltage impacts up to 6KV, maintaining stability and reliability under extreme conditions such as overvoltage and electromagnetic interference.
Superior Heat Dissipation
Utilizing a ceramic core and tight winding process, it boasts excellent thermal conductivity and a linear temperature coefficient, ensuring controllable temperature rise and longer lifespan under high-power operating conditions.
Anti-Pulse Capability
Possessing high energy absorption capacity, it effectively suppresses pulse interference and transient overloads, making it an ideal component for power supplies and protection circuits.
Excellent Environmental Robustness
The product has passed high humidity and high temperature aging tests, demonstrating excellent resistance to moisture, corrosion, and chemicals, making it suitable for harsh environments.
IV. Typical Applications
Power Supply Units & Chargers: for surge absorption and overload protection;
Surge Protection Circuits: providing 6KV transient surge suppression capability;
Industrial Automation Systems: energy consumption and protection for motor drives and PLC systems;
Automotive Electronics: used in vehicle power supplies, charging control, and protection modules;
Energy Storage & Inverters: addressing the protection needs of high-voltage pulses and transient interference;
