Wirewound Resistor - CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD
This specification covers Wirewound Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD, designed for applications requiring environmental compliance with RoHS standards. These resistors are available in various types, power ratings, resistance values, tolerances, and forms, suitable for a wide range of electronic circuits.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC
- Origin: HU BEI, CHINA
- Materials: High alumina ceramic core, resistance wire (e.g., CN49W 1.0mm), tinned iron cap terminals, silicon resin finishing paint (UL-94V-0 compliant).
- Certifications: RoHS
- Color Code: Used for indication.
Technical Specifications
| Type | Rated Power | Resistance Range () KNP | Resistance Range () NKNP | Dielectric Withstanding Voltage (V) | Operating Temperature Range () |
| KNP1/4W, NKNP1/4W (Normal) | 0.25W | 0.01 ~1K | 0.1~10 | 100 | -55 ~ +255 |
| KNP1/2W, NKNP1/2W (Normal) | 0.5W | 200 | -55 ~ +255 | ||
| KNP1W, NKNP1W (Normal) | 1W | 300 | -55 ~ +255 | ||
| KNP2W, NKNP2W (Normal) | 2W | 300 | -55 ~ +255 | ||
| KNP3W, NKNP3W (Normal) | 3W | 300 | -55 ~ +255 | ||
| KNP5W, NKNP5W (Normal) | 5W | 300 | -55 ~ +255 | ||
| KNP1/2WS, NKNP1/2WS (Small) | 0.5W | 0.01 ~1K | 0.1~10 | 100 | -55 ~ +255 |
| KNP1WS, NKNP1WS (Small) | 1W | 200 | -55 ~ +255 | ||
| KNP2WS, NKNP2WS (Small) | 2W | 300 | -55 ~ +255 | ||
| KNP3WS, NKNP3WS (Small) | 3W | 300 | -55 ~ +255 | ||
| KNP5WS, NKNP5WS (Small) | 5W | 300 | -55 ~ +255 |
| Item | Performance | Test Methods (Conform to JIS C 5202) |
| Temperature Coefficient | 350PPM/ (500PPM/1) | Comply with 5.2 |
| Short Time Overload | Within (2%+0.05). No evidence of mechanical damage. | Comply with 5.5 (Rated voltage2.5 times, 5s) |
| Insulation Resistance | 104M or more. | Comply with 5.6 (DC 500V for 60s) |
| Dielectric Withstanding Voltage | No evidence of flashover, arcing or insulation breakdown. | Comply with 5.7 (AC potential respectively for 60s) |
| Pulse Overload | Within (2%+0.05) | Comply with 5.8 (Rated voltage X 4 times, 10000 cycles) |
| Terminal Strength | No evidence of mechanical damage. | Comply with 6.1 |
| Resistance to Soldering Heat | Within (1%+0.05). No evidence of mechanical damage. | Comply with 6.4 (35010, 31s) |
| Solderability | Covered with new solder by 95% at least. | Comply with 6.5 (2555, 31.0s) |
| Resistance to Solvent | No deterioration of protective coating and markings. | Comply with 6.9 (3 minutes in ultrasonic alcohol bath) |
| Temperature Cycle | Within (2%+0.05). No evidence of mechanical damage. | Comply with 7.4 (5 cycles: -55 to +80) |
| Load Life in Humidity | Within (5%+0.05) | Comply with 7.9 (402, 90-95%RH, 1000h) |
| Load Life | Within (5%+0.05) | Comply with 7.10 (703, 1000h) |
2410121231_CCO-Chian-Chia-Elec-KNP2W-22R-5--T_C122134.pdf
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