KNP 0.5W to 5W Wirewound Resistor 0.05Ω-1KΩ Range with 300-400V Dielectric Strength
KNP cylindrical fixed wirewound resistors are precision components designed for demanding applications requiring high power handling, superior pulse capability, and reliable performance across various industrial environments.
Wirewound resistors perform critical functions including voltage step-down, current shunting, load distribution, feedback control, energy transfer, impedance matching, and pulse absorption in power circuits. They are essential for capacitor discharge and spark suppression in rectifier filter stages.
| Type | Rated Power | Dielectric Withstanding Voltage | KNP Resistance Range | NKNP Resistance Range |
|---|---|---|---|---|
| KNP1/2W, NKNP1/2W | 0.5W | 300V | 0.05Ω~1KΩ | 0.1Ω~680Ω |
| KNP1W, NKNP1W | 1W | 350V | 0.05Ω~1KΩ | 0.1Ω~680Ω |
| KNP2W, NKNP2W | 2W | 350V | 0.05Ω~1KΩ | 0.1Ω~680Ω |
| KNP3W, NKNP3W | 3W | 400V | 0.05Ω~1KΩ | 0.1Ω~680Ω |
| KNP5W, NKNP5W | 5W | 400V | 0.05Ω~1KΩ | 0.1Ω~680Ω |
| Item | Performance | Test Methods |
|---|---|---|
| Temperature Coefficient | ±350PPM/℃ (±500PPM/℃＜1Ω) | JIS C 5202 compliant |
| Short Time Overload | Within ±(2%+0.05Ω), no mechanical damage | Rated voltage × 2.5 times, 5s duration |
Available in tape-in-box (ammo) packaging and bulk packaging configurations to suit various production requirements and volume needs.
These resistors feature robust construction with UL 94V-0 compliant coating materials and are available in both normal and small size variants to accommodate different space constraints.
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