Product Overview
UNI-ROYAL's MF Series Precision Metal Film Fixed Resistors are manufactured with a nichrome resistive element, offering stable performance in various environments. These resistors feature low noise, low voltage coefficient, and a low temperature coefficient range. The multiple epoxy coating on the vacuum-deposited metal film provides superior moisture protection. They are available in a flame-retardant type and comply with RoHS 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 lead wires, Ceramic basic body.
- Coating Color: Blue (Standard), Deep Green (1/2WS), Apple Green (0.6WS)
- Certifications: RoHS, Halogen Free
Technical Specifications
| Type | Wattage | Tolerance | Resistance Range (Standard) | Resistance Range (Special Order) | TCR (PPM/) | Max Working Voltage | Max Overload Voltage | Dielectric Withstanding Voltage | Dimensions (D x L) mm |
| MF 1/8W | 1/8W | 1% | 10~1M | 0.25% 51.1~200K | 50 | 200V | 400V | 200V | 1.90.3 x 3.30.3 |
| MF 1/4WS | 1/4W-S | 1% | 10~1M | 0.25% 51.1~200K | 50 | 200V | 400V | 200V | 1.90.3 x 3.30.3 |
| MF 0.4WSS | 0.4W-SS | 1% | 10~1M | 0.25% 51.1~200K | 50 | 200V | 400V | 200V | 1.90.5 x 3.30.3 |
| MF 1/4W | 1/4W | 1% | 10~1M | 0.1% 10~1M | 50 | 250V | 500V | 250V | 2.20.3 x 6.51.0 |
| MF 1/2WS | 1/2W-S | 1% | 10~1M | 0.1% 10~1M | 50 | 250V | 500V | / | 2.20.5 x 6.51.0 |
| MF 1/2W | 1/2W | 1% | 10~1M | 0.1% 100~330K | 50 | 350V | 700V | 250V | 3.50.6 x 9.51.0 |
| MF 0.6WS | 0.6W-S | 1% | 10~1M | 0.1% 10~1M | 50 | 250V | 500V | 250V | 2.20.5 x 6.51.0 |
| MF 1WS | 1W-S | 1% | 10~1M | 0.1% 100~330K | 50 | 350V | 700V | 250V | 3.50.6 x 9.51.0 |
| MF 1W | 1W | 1% | 51.1~1M | 0.1% 100~330K | 50 | 500V | 1000V | 350V | 4.50.6 x 11.51.0 |
| MF 2WS | 2W-S | 1% | 51.1~1M | 0.1% 51.1~511K | 50 | 500V | 1000V | 350V | 4.50.6 x 11.51.0 |
| MF 2W | 2W | 1% | 51.1~1M | 0.1% 51.1~511K | 50 | 500V | 1000V | 350V | 5.00.6 x 15.51.0 |
| MF 3WS | 3W-S | 1% | 51.1~1M | 0.1% 51.1~511K | 50 | 500V | 1000V | 350V | 5.00.6 x 15.51.0 |
| MF 3W | 3W | 1% | 51.1~1M | 0.1% 51.1~ 1M | 50 | 500V | 1000V | 500V | 6.00.6 x 17.51.0 |
2508141745_UNI-ROYAL-MF0W4FF3902A50_C20625228.pdf
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