Product Overview
UNI-ROYAL's MF Series Precision Metal Film Fixed Resistors offer stable performance in various environments due to their nichrome resistive element and superior moisture protection from multiple epoxy coatings. These resistors are available in flame-retardant types, feature low noise and voltage coefficients, and a low temperature coefficient range. They are compliant with RoHS directives and meet 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, Celluloid paint & Insulated Resin coating.
- Certifications: RoHS compliant, Halogen free.
Technical Specifications
| Model | Wattage | Body Diameter (mm) | Body Length (mm) | Lead Diameter (mm) | Max Working Voltage (V) | Max Overload Voltage (V) | Dielectric Withstanding Voltage (V) |
| MF 1/8W | 1/8W | 1.90.3 | 3.30.3 | 0.45 | 28 | 52 | 200 |
| MF 1/4WS | 1/4W-S | 1.90.3 | 3.30.3 | 0.45 | 28 | 52 | 200 |
| MF 0.4WSS | 0.4W-SS | 1.90.5 | 3.30.3 | 0.45 | 28 | 52 | 200 |
| MF 1/4W | 1/4W | 2.20.3 | 6.51.0 | 0.54 | 28 | 52 | 250 |
| MF 1/2WS | 1/2W-S | 2.20.5 | 6.51.0 | 0.54 | 28 | 52 | 250 |
| MF 1/2W | 1/2W | 3.50.6 | 9.51.0 | 0.54 | 28 | 52 | 350 |
| MF 0.6WS | 0.6W-S | 2.20.5 | 6.51.0 | 0.54 | 28 | 52 | 250 |
| MF 1WS | 1W-S | 3.50.6 | 9.51.0 | 0.54 | 28 | 52 | 350 |
| MF 1W | 1W | 4.50.6 | 11.51.0 | 0.70 | 25 | 52 | 500 |
| MF 2WS | 2W-S | 4.50.6 | 11.51.0 | 0.70 | 25 | 52 | 500 |
| MF 2W | 2W | 5.00.6 | 15.51.0 | 0.70 | 28 | 64 | 500 |
| MF 3WS | 3W-S | 5.00.6 | 15.51.0 | 0.70 | 28 | 64 | 500 |
| MF 3W | 3W | 6.00.6 | 17.51.0 | 0.75 | 28 | 64 | 500 |
| Type | Tolerance | Resistance Range () | TCR (PPM/) |
| MF 1/8W, MF 1/4WS, MF 0.4WSS | 1% | 10~1M | 50 |
| MF 1/8W, MF 1/4WS, MF 0.4WSS | 2% | 10~1M | 100 |
| MF 1/8W, MF 1/4WS, MF 0.4WSS | 5% | 1~1M | 200 |
| MF 1/4W, MF 1/2WS, MF 0.6WS | 1% | 10~1M | 50 |
| MF 1/4W, MF 1/2WS, MF 0.6WS | 2% | 1~1M | 100 |
| MF 1/4W, MF 1/2WS, MF 0.6WS | 5% | 1~1M | 200 |
| MF 1/2W, MF 1WS | 1% | 10~1M | 50 |
| MF 1/2W, MF 1WS | 2% | 10~1M | 100 |
| MF 1/2W, MF 1WS | 5% | 1~1M | 200 |
| MF 1W, MF 2WS, MF 2W, MF 3WS, MF 3W | 1% | 51.1~1M | 50 |
| MF 1W, MF 2WS, MF 2W, MF 3WS, MF 3W | 2% | 51.1~1M | 100 |
| MF 1W, MF 2WS, MF 2W, MF 3WS, MF 3W | 5% | 1~1M | 200 |
| Special Order (various models) | 0.1% | 10~1M | 15 |
| Special Order (various models) | 0.25% | 51.1~1M | 25 |
| Special Order (various models) | 0.5% | 51.1~1M | 50 |
2508141745_UNI-ROYAL-MF006FF1500A50_C18724234.pdf
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