Product Overview
Wirewound Resistor manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD. Designed for general applications and compliant with RoHS environmental substance requirements. Available in KNP and NKNP series, with various power ratings, resistance values, tolerances, and shapes.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC
- Origin: Shenzhen, China / Hubei, China
- Product Name: Wirewound Resistor
- Version: A/0
- Enactment Date: May 30, 2016
- Certification: RoHS (Environment related substance requirement), UL-94V-0 (Nonflammable specification for finishing painting)
Technical Specifications
| Type | Rated Power | Resistance Range () KNP | Resistance Range () NKNP | Dielectric Withstanding Voltage (V) |
| KNP1/4W, NKNP1/4W (Normal size) | 0.25W | 0.01 ~1K | 0..1~10 | 100V |
| KNP1/2W, NKNP1/2W (Normal size) | 0.5W | 0.01 ~1K | 0..1~10 | 200V |
| KNP1/2WS, NKNP1/2WS (Small size) | 0.5W | 100V | ||
| KNP1W, NKNP1W (Normal size) | 1W | 300V | ||
| KNP1WS, NKNP1WS (Small size) | 1W | 200V | ||
| KNP2W, NKNP2W (Normal size) | 2W | 300V | ||
| KNP2WS, NKNP2WS (Small size) | 2W | 300V | ||
| KNP3W, NKNP3W (Normal size) | 3W | 300V | ||
| KNP3WS, NKNP3WS (Small size) | 3W | 300V | ||
| KNP5W, NKNP5W (Normal size) | 5W | 300V | ||
| KNP5WS, NKNP5WS (Small size) | 5W | 300V |
| 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 |
| Insulation Resistance | 104M or more. | Comply with 5.6 |
| Dielectric Withstanding Voltage | No evidence of flashover mechanical damage, arcing or insulation breakdown. | Comply with 5.7 |
| Pulse overload | Within (2%+0.05) | Comply with 5.8 |
| 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 |
| Solderability | Covered with new solder by 95% at least. | Comply with 6.5 |
| Resistance to solvent | No deterioration of protective coating and markings. | Comply with 6.9 |
| Temperature cycle | Within (2%+0.05). No evidence of mechanical damage. | Comply with 7.4 |
| Load life in humidity | Within (5%+0.05) | Comply with 7.9 |
| Load life | Within (5%+0.05) | Comply with 7.10 |
| Color | 1st figure | 2nd figure | Multiplier | Tolerance | Distinguish |
| Black | 0 | 0 | 100 | Black indicates inductive wirewound resistor, Green indicates non-inductive wirewound resistor. KNP type in Black, NKNP type in Green. | |
| Brown | 1 | 1 | 101 | 1% (F) | |
| Red | 2 | 2 | 102 | 2% (G) | |
| Orange | 3 | 3 | 103 | ||
| Yellow | 4 | 4 | 104 | ||
| Green | 5 | 5 | 105 | ||
| Blue | 6 | 6 | 106 | ||
| Violet | 7 | 7 | 107 | ||
| Gray | 8 | 8 | |||
| White | 9 | 9 | |||
| Gold | 10-1 | 5% (J) | |||
| Silver | 10-2 | 10% (K) | |||
| Plain | 2%,5% | 5-Band code |
| Type | Dimensions (Unit: mm) I2.0 | L1.0 | D | d0.05 | H2.0 |
| KNP1/4W, NKNP1/4W (Normal size) | 60 | 6.5 | 2.30.5 | 0.43 | 26 |
| KNP1/2WS, NKNP1/2WS (Small size) | 60 | 6.5 | 2.30.5 | 0.43 | 26 |
| KNP1/2W, NKNP1/2W (Normal size) | 60 | 9.0 | 3.20.5 | 0.50 | 26 |
| KNP1WS, NKNP1WS (Small size) | 60 | 9.0 | 3.20.5 | 0.50 | 26 |
| KNP1W, NKNP1W (Normal size) | 60 | 11.5 | 4.51.0 | 0.68 | 25 |
| KNP2WS, NKNP2WS (Small size) | 73 | 11.5 | 4.51.0 | 0.68 | 31 |
| KNP2W, NKNP2W (Normal size) | 60 | 15.5 | 5.01.0 | 0.68 | 23 |
| KNP3WS, NKNP3WS (Small size) | 81 | 15.5 | 5.01.0 | 0.68 | 33 |
| KNP3W, NKNP3W (Normal size) | 94 | 17.5 | 6.01.0 | 0.68 | 38 |
| KNP5WS, NKNP5WS (Small size) | 94 | 17.5 | 6.01.0 | 0.68 | 38 |
| KNP5W, NKNP5W (Normal size) | 94 | 24.5 | 8.01.0 | 0.68 | 35 |
2410121231_CCO-Chian-Chia-Elec-KNP1-4W-0-22R-5--T_C122074.pdf
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