UNIROYAL ELECTRONICS INDUSTRY (KUNSHAN) CO., LTD. - LEAD-FREE CARBON FILM FIXED RESISTORS CFR SERIES
This specification details the Lead-Free Carbon Film Fixed Resistors, CFR Series, manufactured by UNIROYAL ELECTRONICS INDUSTRY (KUNSHAN) CO., LTD. These resistors are designed for various electronic applications requiring reliable resistance values with specified tolerances.
Product Attributes
- Brand: UNIROYAL
- Origin: Kun Shan, China
- Product Name: LEAD-FREE CARBON FILM FIXED RESISTORS
- Part Name: CFR SERIES
- Tolerances: 2%, 5%, 10%
- Materials: Carbon Film, Ceramics, Cold steel plated with copper/tin, Tin solder coated copper wire, Epoxy resin coating
- Colors: Beige, Light Brown, Gray Green (depending on model)
Technical Specifications
| Type | Power Rating | Dimensions (D x L, mm) | Lead Diameter (d, mm) | Max Working Voltage (V) | Max Overload Voltage (V) | Dielectric Withstanding Voltage (V) | Resistance Range () | Tolerance (%) |
|---|---|---|---|---|---|---|---|---|
| CR 1/8W | 1/8W | 1.90.3 x 3.30.3 | 0.45 | 200 | 400 | 400 | 1~10M | 2, 5, 10 |
| CR 1/4W | 1/4W | 2.20.3 x 6.51.0 | 0.54 | 250 | 500 | 500 | 1~10M | 2, 5, 10 |
| CR 1/2W | 1/2W | 3.00.6 x 9.51.0 | 0.54 | 350 | 700 | 700 | 1~10M | 2, 5, 10 |
| CR 1W | 1W | 5.00.6 x 15.51.0 | 0.70 | 500 | 1000 | 1000 | 1~10M | 2, 5, 10 |
| CR 2W | 2W | 6.00.6 x 17.51.0 | 0.75 | 500 | 1000 | 1000 | 1~10M | 2, 5, 10 |
| CR 1/4WS | 1/4W | 1.90.3 x 3.30.3 | 0.45 | 200 | 400 | 400 | 1~10M | 2, 5, 10 |
| CR 1/2WSS | 1/2W | 2.20.5 x 6.51.0 | 0.54 | 250 | 500 | 250 | 1~10M | 2, 5, 10 |
| CR 1/2WS | 1/2W | 3.00.5 x 9.01.0 | 0.54 | 350 | 700 | 700 | 1~10M | 2, 5, 10 |
| CR 1WS | 1W | 4.00.6 x 11.51.0 | 0.65 | 500 | 1000 | 1000 | 1~10M | 2, 5, 10 |
| CR 2WS | 2W | 5.00.6 x 15.51.0 | 0.70 | 500 | 1000 | 1000 | 1~10M | 2, 5, 10 |
| CR 3WS | 3W | 6.00.6 x 17.51.0 | 0.75 | 500 | 1000 | 1000 | 1~10M | 2, 5, 10 |
Performance Specifications
| Characteristic | Limits | Test Method (JIS-C-5201 & JIS-C-5202) |
|---|---|---|
| Temperature Coefficient | 300 PPM/ (10), 450 PPM/ (10| 4.8 | |
| Short-time overload | Resistance change rate: (1%+0.05)Max. With no evidence of mechanical damage. | 4.13 |
| Insulation resistance | 10,000 M Min. | 4.6 |
| Dielectric withstanding voltage | No evidence of flashover mechanical damage, arcing or insulation breaks down. | 4.7 |
| Terminal strength | No evidence of mechanical damage | 4.16 |
| Resistance to soldering heat | Resistance change rate: (1%+0.05) Max. With no evidence of mechanical damage. | 4.18 |
| Solderability | 95% coverage Min. | 4.17 |
| Temperature Cycling | Resistance change rate is: (1%+0.05) max.. With no evidence of mechanical damage. | 4.19 |
| Load life in humidity | Normal type: R/R 3% for <100K, 5% for 100K. Flame retardant type: R/R 5% for <100K; 10% for 100K. | 7.9 |
| Load life | Normal type: R/R 2% for <56K, 3% for 56K. Flame retardant type: R/R 5% for <100K; 10% for 100K. | 4.25.1 |
Part Number System Explanation
The standard Part No. includes 14 digits. The system explains product series, power rating, size, resistance tolerance, and resistance value.
2410121314_UNI-ROYAL-CFR02SJ0101A10_C69872.pdf
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