Adafruit Industries 4294
Product Overview
The CF Series Fixed Carbon Film Resistors are manufactured by ShenZhen ShenZhongTai Electronics CO.,LTD. These resistors are produced under a high-quality control process, ensuring reliable performance. They are suitable for applications requiring precise resistance values and stable operation across a wide temperature range. The resistors are available in various power ratings and resistance values, adhering to standard series like E-12, E-24, and E-48.
Product Attributes
- Brand: CF Series
- Manufacturer: ShenZhen ShenZhongTai Electronics CO.,LTD.
- Material: Carbon film resistance element, Ceramic core, Tinned iron cap terminals, Soldered or tinned annealed copper wire leads, Epoxy resin finishing paint.
- Body Color: Light Brown (for Normal and Small size types)
- Origin: Shenzhen, China (implied by manufacturer location)
- Certifications: Compliant with JIS C 5202 for testing methods.
Technical Specifications
| Type Designation Example | Rated Power | Shape | Nominal Resistance Value Series | Resistance Tolerance |
|---|---|---|---|---|
| CF 1/4W T52 J 10K | 1/6W (1/8W), 1/4WS, 1/4W, 1/2WS, 1/2W, 1WS, 1W, 2WS, 2W, 3WS, 3W, 5WS | P (Bulk), Txx (Taping), XXmm, M (M-Form series), FK (F-Form series) | E-12 Series, E-24 Series, E-48 Series | K (10%), J (5%), G (2%) |
| Type | Rated Power (W) | Max. Working Voltage (V) | Max. Overload Voltage (V) | Max. Pulse Voltage (V) | Dielectric Withstanding Voltage (V) | Resistance Range () | Operating Temperature Range () |
|---|---|---|---|---|---|---|---|
| CF1/6W(1/8W) | 0.16 | 200 | 400 | 500 | 300 | 2.21M | -55155 |
| CF1/4W | 0.25 | 300 | 500 | 750 | 500 | 2.24.7M | -55155 |
| CF1/2W | 0.5 | 350 | 700 | 1000 | 700 | 2.25.1M | -55155 |
| CF1W | 1 | 500 | 800 | 1500 | 800 | 2.25.1M | -55155 |
| CF2W | 2 | 500 | 1000 | 2000 | 800 | 2.25.1M | -55155 |
| CF3W | 3 | 750 | 1000 | - | 800 | 2.25.1M | -55155 |
| CF1/4WS | 0.25 | 300 | 500 | 500 | 300 | 2.21M | -55155 |
| CF1/2WS | 0.5 | 350 | 700 | 750 | 500 | 2.24.7M | -55155 |
| CF1WS | 1 | 500 | 800 | 1000 | 700 | 2.25.1M | -55155 |
| CF2WS | 2 | 500 | 1000 | 1500 | 800 | 2.25.1M | -55155 |
| CF3WS | 3 | 750 | 1000 | 2000 | 800 | 2.25.1M | -55155 |
| Item | Performance Specification | Test Method (Conform to JIS C 5202) |
|---|---|---|
| Temperature Coefficient T.C.R | 450 PPM/, -700 PPM/, -1000 PPM/, -1300 PPM/ (Varies by type, resistance value, and temperature range) | Comply with 5.2 |
| Short time overload | Within (1%+0.05), No evidence of mechanical damage. | Comply with 5.5 (Rated voltage X 2.5 times, 5s) |
| Insulation resistance | 104M or more | Comply with 5.6 (V-block method, DC potential for 60s) |
| Dielectric withstanding voltage | No evidence of flashover, arcing or insulation breakdown. | Comply with 5.7 (Constant pressure, V-block method, AC potential for 60s) |
| Pulse overload | Within (0.75%+0.05) | Comply with 5.8 (Rated voltage X 4 times, 10000 cycles) |
| Terminal strength | No evidence of mechanical damage. | Comply with 6.1 (Tensile strength: 25N, Torsional strength: 360 x 5 rotations) |
| Resistance to soldering heat | Within (0.5%+0.05), No evidence of mechanical damage. | Comply with 6.4 (35010, 3+0.5/-0s) |
| Solderability | Lead wire covered with new solder by 95% at least. | Comply with 6.5 (Solder temp: 2355, Dipping time: 50.5s) |
| Resistance to solvent | No deterioration of protective coating and markings. | Comply with 6.9 (Immersed in isopropyl alcohol with ultrasonic for 3 minutes) |
| Temperature cycle | Within (1%+0.05), No evidence of mechanical damage. | Comply with 7.4 (5 cycles: -55 to +85) |
| Load life in humidity | Within (1.5%+0.05) | Comply with 7.9 (402, 90-95%RH, 1000h, Rated voltage cycle) |
| Load life | Within (2%+0.05) | Comply with 7.10 (703, 1000h, Rated voltage cycle) |
| Nominal Resistance Value Series | Standard Nominal Resistance Values (Significant Figures) |
|---|---|
| E-6 | 1.0, 1.5, 2.2, 3.3, 4.7, 6.8 |
| E-12 | 1.0, 1.2, 1.5, 1.8, 2.2, 2.7, 3.3, 3.9, 4.7, 5.6, 6.8, 8.2 |
| E-24 | 1.0, 1.1, 1.2, 1.3, 1.5, 1.6, 1.8, 2.0, 2.2, 2.4, 2.7, 3.0, 3.3, 3.6, 3.9, 4.3, 4.7, 5.1, 5.6, 6.2, 6.8, 7.5, 8.2, 9.1 |
| E-48 | 1.00, 1.05, 1.10, 1.15, 1.21, 1.27, 1.33, 1.40, 1.47, 1.54, 1.62, 1.69, 1.78, 1.87, 1.96, 2.05, 2.15, 2.26, 2.37, 2.49, 2.61, 2.74, 2.87, 3.01, 3.16, 3.32, 3.48, 3.65, 3.83, 4.02, 4.22, 4.42, 4.64, 4.87, 5.11, 5.36, 5.62, 5.90, 6.19, 6.49, 6.81, 7.15, 7.50, 7.87, 8.25, 8.66, 9.09, 9.53 |
| Type | Dimensions (mm) - L | Dimensions (mm) - D | Dimensions (mm) - d | Dimensions (mm) - H | Dimensions (mm) - P | Dimensions (mm) - h |
|---|---|---|---|---|---|---|
| CF1/6W(1/8W) (Normal) | - | - | - | - | - | - |
| CF1/4WS (Small) | - | - | - | - | - | - |
| CF1/6W(1/8W) / CF1/4WS | 3.50.5 | 1.70.3 | 0.400.05 | 273.0 | 6.01.0 | 10.01.0 |
| CF1/4W (Normal) | 6.00.5 | 2.30.3 | 0.400.05 | 273.0 | 10.01.0 | 10.01.0 |
| CF1/2WS (Small) | 6.00.5 | 2.30.3 | 0.400.05 | 273.0 | 10.01.0 | 10.01.0 |
| CF1/2W (Normal) | 9.01.0 | 3.20.5 | 0.500.05 | 273.0 | 12.51.0 | 10.01.0 |
| CF1WS (Small) | 9.01.0 | 3.20.5 | 0.500.05 | 273.0 | 12.51.0 | 10.01.0 |
| CF1W (Normal) | 11.01.0 | 4.00.5 | 0.600.05 | 313.0 | 15.01.0 | 14.01.0 |
| CF2WS (Small) | 11.01.0 | 4.00.5 | 0.600.05 | 313.0 | 15.01.0 | 14.01.0 |
| CF2W (Normal) | 15.01.0 | 5.00.5 | 0.700.05 | 353.0 | 20.01.0 | 20.01.0 |
| CF3WS (Small) | 15.01.0 | 5.00.5 | 0.700.05 | 353.0 | 20.01.0 | 20.01.0 |
| CF3W (Normal) | 17.51.0 | 6.51.0 | 0.700.05 | 303.0 | 25.01.0 | 25.01.0 |
| Color Code | 1st Figure | 2nd Figure | 3rd Figure (Multiplier) | Tolerance |
|---|---|---|---|---|
| Black | 0 | 0 | 100 (1) | - |
| Brown | 1 | 1 | 101 (10) | - |
| Red | 2 | 2 | 102 (100) | 2% (G) |
| Orange | 3 | 3 | 103 (1k) | - |
| Yellow | 4 | 4 | 104 (10k) | - |
| Green | 5 | 5 | 105 (100k) | - |
| Blue | 6 | 6 | 106 (1M) | - |
| Violet | 7 | 7 | 107 (10M) | - |
| Gray | 8 | 8 | 108 (100M) | - |
| White | 9 | 9 | 109 (1G) | - |
| Gold | - | - | 10-1 (0.1) | 5% (J) |
| Silver | - | - | 10-2 (0.01) | 10% (K) |
| Plain | - | - | - | 20% (M) |
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