1/4W Carbon Film Resistor 0.25W 1% Tolerance 300V Max Working Voltage 0.1Ω-22MΩ Range
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Brand:
Bonens
Product Description
Product Overview
High-quality 1/4W carbon film fixed resistors with 1% tolerance, featuring excellent insulation resistance of 1000MΩ and maximum working voltage of 300V. These resistors are available in resistance values ranging from 0.1Ω to 22MΩ.
Technical Specifications
- Power Rating: 1/4W (0.25W)
- Tolerance: 1%
- Insulation Resistance: ≥1000MΩ
- Maximum Working Voltage: 300V
- Maximum Overload Voltage: 600V
- Resistance Range: 0.1Ω - 22MΩ
Performance Characteristics
- Voltage Endurance: Resistance variation within ±(2% + 0.05Ω)
- Intermittent Overload: Resistance variation within ±(2.00% + 0.05Ω)
- Terminal Strength: Resistance variation within ±(0.5% + 0.05Ω)
- Heat Resistance Against Soldering: Resistance variation within ±(1.0% + 0.05Ω)
- Solderability: >95% surface coverage after lead dipping
- Humidity Load Test: Resistance variation within ±(3.0% + 0.05Ω)
- Load Life Test: Resistance variation within ±(3% + 0.05Ω)
Power Rating Specifications
| Style | Max Working Voltage | Max Overload Voltage | Resistance Value Range |
|---|---|---|---|
| CF1/6W / CF1/8W | 200V | 400V | 0.1Ω~22MΩ |
| CF1/4W / CF1/4WS | 300V | 600V | 0.1Ω~22MΩ |
| CF1/2W / CF1/2WS | 350V | 700V | 0.1Ω~22MΩ |
| CF1W / CF1WS | 500V | 1000V | 0.1Ω~22MΩ |
| CF2W / CF2WS | 500V | 1000V | 0.1Ω~22MΩ |
| CF3W / CF3WS | 600V | 1000V | 0.1Ω~22MΩ |
| CF5W / CF5WS | 600V | 1000V | 0.1Ω~22MΩ |
Color Code Reference
| Color | 1st Band | 2nd Band | 3rd Band | 4th Band |
|---|---|---|---|---|
| Black | 0 | 0 | 100 | |
| Brown | 1 | 1 | 101 | |
| Red | 2 | 2 | 102 | ±2.0% |
| Orange | 3 | 3 | 103 | |
| Yellow | 4 | 4 | 104 | |
| Green | 5 | 5 | 105 | |
| Blue | 6 | 6 | 106 | |
| Violet | 7 | 7 | 107 | |
| Grey | 8 | 8 | 108 | |
| White | 9 | 9 | 109 | |
| Gold | 10-1 | ±5.0% | ||
| Silver | 10-2 | ±10.0% |
Physical Dimensions
| Watts | L (mm) | D (mm) | H (mm) | d ± 0.02mm | Pulling (Kg) |
|---|---|---|---|---|---|
| 1/6W 1/8W 1/16W | 3.3±0.3 | 1.8±0.3 | 28±2.0 | 0.45 | 2.5Kg - 30S |
| 1/4WS 1/4W | 6.0±0.5 | 2.3±0.3 | 27.0±2.0 | 0.48 | 2.5Kg - 30S |
| 1/2WS 1/2W | 9.0±0.5 | 3.2±0.3 | 26.0±2.0 | 0.58 | 2.5Kg - 30S |
| 1WS 1W | 11.0±1.0 | 4.5±0.5 | 35.0±2.0 | 0.68 | 3Kg - 30S |
| 2WS 2W | 15.0±1.0 | 5.0±0.5 | 33.0±2.0 | 0.78 | 5Kg - 30S |
| 3WS 3W | 17.0±1.0 | 6.0±0.5 | 32.0±2.0 | 0.78 | 5Kg - 30S |
| 5WS 5W | 24.0±1.0 | 8.0±1.0 | 28.0±2.0 | 0.78 | 5Kg - 30S |
Quality Assurance
- Pre-production sample verification before mass production
- Final inspection before shipment
- Manufactured by professional electronics component specialists since 2005
Product Images
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Sichuan Qixing Electronics Co., Ltd.
Location
2nd Floor, Building 2, 388 Rongtai Avenue Chengdu Sichuan China
Contact Person
weidong tong