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Fusible Wire Wound Resistor
Discover the exceptional protection and reliability of fusible wire wound resistor offered by Thunder Components Ltd., a leading wire wound resistor manufacturer. Our fusible wire wound resistors are specifically designed to safeguard circuit boards and electronic components from excessive current and voltage surges. With their flame-proof construction, these wire resistors provide reliable and secure protection for your circuits. The small size of the FKN fusible wire wound resistor allows for easy integration into various electronic devices and applications.
The noncombustible insulating coating of our fusible resistors ensures their durability and resistance to high temperatures. They are also solvent-proof, making them suitable for a wide range of industrial environments. Additionally, these wire wound resistors exhibit low temperature coefficient and offer precise resistance values, ensuring stable and accurate performance.
The noncombustible insulating coating of our fusible resistors ensures their durability and resistance to high temperatures. They are also solvent-proof, making them suitable for a wide range of industrial environments. Additionally, these wire wound resistors exhibit low temperature coefficient and offer precise resistance values, ensuring stable and accurate performance.
FKN Series
Fusible Wirewound Resistors, Flame Proof
FKN Fusible Wirewound Resistors, Flame Proof.
It is suitable for protecting circuit boards.
Small in size.
Noncombustible insulating coating. Solvent proof and resistant to high temperature.
Low T/C
Unfirming in Fusing Time.
Charcateristics :
| TYPE | Rated wattage |
Dimension(mm) | Resistance Range(Ω)L |
Dielectric Withstanding VoltageD |
|||||
|---|---|---|---|---|---|---|---|---|---|
| D±1 | L±1.5 | H±0.5 | W±0.5 | C±3 | d±0.5 | ||||
| FKN | 1W | 4.0 | 9 | - | 28 | 28 | 0.65 | 0.1~20 | 350V |
| 2W | 5.0 | 11 | - | 28 | 28 | 0.8 | 0.1~100 | 500V | |
| 3W | 5.5 | 13 | - | 38 | 38 | 0.8 | 0.1~100 | 500V | |
| 5W | 6.5 | 19 | - | 38 | 38 | 0.8 | 0.1~200 | 500V | |
| FSQ | 2W | - | 18 | 7 | 23 | 23 | 0.65 | 0.1~10k | 1000V |
| 3W | - | 22 | 8 | 35 | 35 | 0.8 | 0.1~33K | 1000V | |
| 5W | - | 22 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
| 7W | - | 35 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
| 10W | - | 48 | 9 | 35 | 35 | 0.8 | 0.1~50K | 1000V | |
ELECTRICAL PERFORMANCE
| Test Items | Condition | Spec. | Test Method JIS-C-5202 |
|---|---|---|---|
| Fusing Characteristics | 16 times 0f rated wattage ，fusing time is within 60 sec. |
for relerence only | |
| Operating Temp. | -55°C~200.°C(FKN) -55°C~150°C(FSQ) |
- | - |
| Resistance Temp. Coff. | -30°C~150°C | 300ppm/°C | 5.2 |
| Short Time Overload | 2.5 times of rated voltage for 5 sec. |
2% | 5.5 |
| Insulation Resistance | 500Vmegger | 1,000mΩ | 5.6 |
| Temp.Cycie | -30°C~85°C for 5 cycles. | 1% | 7.4 |
| Load Life | 70°C on-off cycle 1,000hrs. | 5% | 7.10 |
| Moisture-proof Load Life |
40°C 95%RH on-off cycle 1,000hrs. |
5% | 7.9 |
| Resistance to Soldering Heat |
270°C±5/10 1sec | 1% | 6.4 |
| Nonflammablity | 16times of rated wattage for 5min. |
not flamed | 7.12 |
The fusible wire wound resistor from Thunder Components Ltd. are designed with an unfusing time, providing quick and effective circuit protection. You can rely on their consistent performance and superior quality to safeguard your electronic systems. Choose Thunder Components Ltd. as your trusted wire wound resistor manufacturer for high-quality FKN fusible wire wound resistors. Our commitment to excellence and customer satisfaction ensures that you receive reliable products that meet your specific needs.