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Specifications
Type:
Wirewound Resistor
Resistance:
6.8Ω
Voltage-Supply(Max):
300V
Power(Watts):
3W
Temperature Coefficient:
±350ppm/℃
Tolerance:
±5%
Operating Temperature:
-55℃~+255℃
Mfr. Part #:
KNP3W-6.8Ω±5% F
Package:
Through Hole,P=8mm
Key Attributes
Model Number:
KNP3W-6.8Ω±5% F
Product Description
Wirewound Resistor
This specification covers Wirewound Resistors that comply with RoHS requirements for environmentally related substances. These resistors are designed for various applications and are available in different types, power ratings, resistance values, tolerances, and forms.
Product Attributes
- Product Name: Wirewound Resistor
- Version: B/3
- Enactment Date: 20170610 (JUN 30, 2017)
- Certifications: RoHS, UL-94V-0 (for finishing paint)
- Material: High alumina ceramic core, resistance wire (e.g., CN49W 1.0mm), tinned iron cap, silicon resin paint
- Color: Gray (for normal size KNP1/2W, NKNP1/2W, KNP1W, NKNP1W, KNP2W, NKNP2W, KNP3W, NKNP3W)
Technical Specifications
| Type | Rated Power | Resistance Range () KNP | Resistance Range () NKNP | Form | Resistance Tolerance | Operating Temperature Range | |
| KNP/NKNP Normal size | 0.5W (KNP1/2W, NKNP1/2W) | 0.05~1K | 0.1~680 | P | J (5%) G (2%) | -55+255 | |
| KNP/NKNP Normal size | 1W (KNP1W, NKNP1W) | 0.05~1K | 0.1~680 | P | J (5%) G (2%) | ||
| KNP/NKNP Normal size | 2W (KNP2W, NKNP2W) | P | J (5%) G (2%) | ||||
| KNP/NKNP Normal size | 3W (KNP3W, NKNP3W) | P | J (5%) G (2%) | ||||
| KNP/NKNP Normal size | 5W (KNP5W, NKNP5W) | P | J (5%) G (2%) | ||||
| KNP/NKNP Small size | 1W (KNP1WS, NKNP1WS) | 0.05~1K | 0.1~680 | P | J (5%) G (2%) | -55+255 | |
| KNP/NKNP Small size | 2W (KNP2WS, NKNP2WS) | 0.05~1K | 0.1~680 | P | J (5%) G (2%) | ||
| KNP/NKNP Small size | 3W (KNP3WS, NKNP3WS) | P | J (5%) G (2%) | ||||
| KNP/NKNP Small size | 5W (KNP5WS, NKNP5WS) | P | J (5%) G (2%) | ||||
| MB Type | 1/2w, 1ws | 3.20.5 (D) x 9.01.0 (L) | - | - | - | ||
| MB Type | 1w, 2ws | 4.51.0 (D) x 11.51.0 (L) | - | - | - | ||
| MB Type | 2w, 3ws | 5.01.0 (D) x 15.51.0 (L) | - | - | - | ||
| MB Type | 3W5WS | 6.01.0 (D) x 17.51.0 (L) | - | - | - | ||
| MB Type | 5W | 8.01.0 (D) x 24.51.0 (L) | - | - | - | ||
| M Type | 1/2w, 1ws | 3.50.5 (D) x 9.01.0 (L) | - | - | - | ||
| M Type | 1w, 2ws | 4.51.0 (D) x 11.51.0 (L) | - | - | - | ||
| M Type | 2w, 3ws | 5.01.0 (D) x 15.51.0 (L) | - | - | - | ||
| M Type | 3w | 6.01.0 (D) x 17.51.0 (L) | - | - | - | ||
| M Type | 5w | 8.01.0 (D) x 24.51.0 (L) | - | - | - | ||
Characteristics
| 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, 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 |
Indication
Color code is used for indication. 'Black' indicates inductive wirewound resistors (KNP type), and 'Green' indicates non-inductive wirewound resistors (NKNP type).
2409300002_CCO-Chian-Chia-Elec-KNP3W-6-8R-5--F_C209827.pdf
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