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Specifications
Type:
Metal Film Resistor
Resistance:
270kΩ
Power(Watts):
250mW
Temperature Coefficient:
±50ppm/℃
Tolerance:
±1%
Mfr. Part #:
MF0S4FF2703A50
Package:
Through Hole,D1.9xL3.3mm
Key Attributes
Model Number:
MF0S4FF2703A50
Product Description
Product Overview
UNI-ROYAL's MF Series Precision Metal Film Fixed Resistors are designed for reliable performance in various environments. These resistors feature a vacuum-deposited metal film with multiple epoxy coating for superior moisture protection and a Nichrome resistive element for stable operation. They are available in flame-retardant types and offer low noise, low voltage coefficient, and a wide range of temperature coefficients. Compliant with RoHS directive and halogen-free requirements.
Product Attributes
- Brand: UNI-ROYAL
- Origin: China
- Material: Nichrome resistive element, Cold steel plated with copper/tin end caps, Tin solder coated copper wire leads, Ceramic body, Epoxy resin coating
- Color: Blue (standard), Deep Green (1/2WS), Apple Green (0.6WS)
- Certifications: RoHS directive compliant, Halogen free
Technical Specifications
| Model | Wattage | Tolerance | Resistance Range | Max Working Voltage (V DC/AC) | Max Overload Voltage (V DC/AC) | Dielectric Withstanding Voltage (V DC/AC) | TCR (PPM/) | Dimensions (D x L, mm) |
| MF 1/8W | 1/8W | 1% | 10~1M | 200V | 400V | 200V | 50 | 1.90.3 x 3.30.3 |
| MF 1/4WS | 1/4W-S | 1% | 10~1M | 200V | 400V | 200V | 50 | 1.90.3 x 3.30.3 |
| MF 0.4WSS | 0.4W-SS | 1% | 10~1M | 200V | 400V | 200V | 50 | 1.90.5 x 3.30.3 |
| MF 1/4W | 1/4W | 1% | 10~1M | 250V | 500V | 250V | 50 | 2.20.3 x 6.51.0 |
| MF 1/2WS | 1/2W-S | 1% | 10~1M | 250V | 500V | / | 50 | 2.20.5 x 6.51.0 |
| MF 1/2W | 1/2W | 1% | 10~1M | 350V | 700V | 250V | 50 | 3.50.6 x 9.51.0 |
| MF 0.6WS | 0.6W-S | 1% | 10~1M | 250V | 500V | 250V | 50 | 2.20.5 x 6.51.0 |
| MF 1WS | 1W-S | 1% | 10~1M | 350V | 700V | 250V | 50 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 1% | 51.1~1M | 500V | 1000V | 350V | 50 | 4.50.6 x 11.51.0 |
| MF 2WS | 2W-S | 1% | 51.1~1M | 500V | 1000V | 350V | 50 | 4.50.6 x 11.51.0 |
| MF 2W | 2W | 1% | 51.1~1M | 500V | 1000V | 350V | 50 | 5.00.6 x 15.51.0 |
| MF 3WS | 3W-S | 1% | 51.1~1M | 500V | 1000V | 350V | 50 | 5.00.6 x 15.51.0 |
| MF 3W | 3W | 1% | 51.1~1M | 500V | 1000V | 500V | 50 | 6.00.6 x 17.51.0 |
| MF 1/4W | 1/4W | 2% | 1~1M | 250V | 500V | 250V | 100 | 2.20.3 x 6.51.0 |
| MF 1/2W | 1/2W | 2% | 1~1M | 350V | 700V | 250V | 100 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 2% | 51.1~1M | 500V | 1000V | 350V | 100 | 4.50.6 x 11.51.0 |
| MF 1/4W | 1/4W | 5% | 1~1M | 250V | 500V | 250V | 200 | 2.20.3 x 6.51.0 |
| MF 1/2W | 1/2W | 5% | 1~1M | 350V | 700V | 250V | 200 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 5% | 1~1M | 500V | 1000V | 350V | 200 | 4.50.6 x 11.51.0 |
| MF 1/4W | 1/4W | 0.5% | 51.1~511K | 250V | 500V | 250V | 50 | 2.20.3 x 6.51.0 |
| MF 1/2W | 1/2W | 0.5% | 10~1M | 350V | 700V | 250V | 50 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 0.5% | 51.1~1M | 500V | 1000V | 350V | 50 | 4.50.6 x 11.51.0 |
| MF 1/4W | 1/4W | 0.25% | 10~1M | 250V | 500V | 250V | 25 | 2.20.3 x 6.51.0 |
| MF 1/2W | 1/2W | 0.25% | 51.1~511K | 350V | 700V | 250V | 25 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 0.25% | 51.1~511K | 500V | 1000V | 350V | 25 | 4.50.6 x 11.51.0 |
| MF 1/4W | 1/4W | 0.1% | 10~1M | 250V | 500V | 250V | 15 | 2.20.3 x 6.51.0 |
| MF 1/2W | 1/2W | 0.1% | 100~330K | 350V | 700V | 250V | 15 | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 0.1% | 100~330K | 500V | 1000V | 350V | 15 | 4.50.6 x 11.51.0 |
2508141745_UNI-ROYAL-MF0S4FF2703A50_C18724287.pdf
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