Metal Film Fixed Resistor
This specification applies to Metal Film Fixed Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD. These resistors comply with RoHS requirements for environmentally related substances. The type designation is determined by usage type, rated power, nominal resistance value, tolerance, and form factor.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC
- Origin: CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD
- Material: Metal film resistor element, High alumina ceramic core, Tinned iron cap terminals, Epoxy resin finishing paint.
- Body Color: Sky blue (for both Normal and Small size types)
- Certifications: RoHS
Technical Specifications
| Type | Rated Power | Resistance Range () | Temperature Coefficient | Tolerance | Max. Working Voltage | Max. Overload Voltage | Dielectric Withstanding Voltage (AC) | Operating Temperature Range |
| MF1/8W (Normal) | 0.125W | 1 ~1M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 150V | 300V | 300V | -55+155 |
| MF1/4W (Normal) | 0.25W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 250V | 500V | 350V | -55+155 |
| MF1/2W (Normal) | 0.5W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 300V | 700V | 400V | -55+155 |
| MF1W (Normal) | 1W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 350V | 800V | 450V | -55+155 |
| MF2W (Normal) | 2W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 500V | 800V | 450V | -55+155 |
| MF3W (Normal) | 3W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 500V | 800V | 500V | -55+155 |
| MF5W (Normal) | 5W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 500V | 1000V | 500V | -55+155 |
| MF1/4WS (Small) | 0.25W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 150V | 300V | 300V | -55+155 |
| MF1/2WS (Small) | 0.5W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 250V | 700V | 350V | -55+155 |
| MF1WS (Small) | 1W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 300V | 800V | 400V | -55+155 |
| MF2WS (Small) | 2W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 350V | 800V | 450V | -55+155 |
| MF3WS (Small) | 3W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 500V | 1000V | 450V | -55+155 |
| MF5WS (Small) | 5W | 1 ~10M | Within 100PPM/ | 5% (J), 2% (G), 1% (F), 0.5% (D) | 500V | 1000V | 500V | -55+155 |
Note: The formula for rated voltage is E=(PR), where E is rated voltage (V), P is rated power (W), and R is nominal resistance ().
Construction
The MF series resistors are constructed with a high alumina ceramic core, metal film resistor element, tinned iron cap terminals, welded lead wire connections, and are coated with electric insulation resin for the undercoat and epoxy resin for the finishing paint. Indication is by color code.
Indication (Color Code)
| Color | 1st Figure | 2nd Figure | 3rd Figure | Multiplier | Tolerance |
| Black | 0 | 0 | 0 | 100 | |
| Brown | 1 | 1 | 1 | 101 | 1% (F) |
| Red | 2 | 2 | 2 | 102 | 2% (G) |
| Orange | 3 | 3 | 3 | 103 | |
| Yellow | 4 | 4 | 4 | 104 | |
| Green | 5 | 5 | 5 | 105 | |
| Blue | 6 | 6 | 6 | 106 | |
| Violet | 7 | 7 | 7 | 107 | 0.1% (B) |
| Gray | 8 | 8 | 8 | 108 | 0.05% (A) |
| White | 9 | 9 | 9 | 109 | |
| Gold | 10-1 | 5% (J) | |||
| Silver | 10-2 | ||||
| Plain | 0.1%, 0.25%, 0.5%, 1% (5-Band code) |
External Dimensions (P Type)
| Type | I 2.0 (mm) | L 1.0 (mm) | D (mm) | d0.05 (mm) | H2.0 (mm) |
| MF1/8W, MF1/4WS | 60 | 3.2 | 1.80.5 | 0.40 | 27 |
| MF1/4W, MF1/2WS | 60 | 6.5 | 2.30.5 | 0.43 | 26 |
| MF1/2W, MF1WS | 60 | 9.0 | 3.20.5 | 0.50 | 26 |
| MF1W, MF2WS | 60 | 11.5 | 4.51.0 | 0.68 | 25 |
| MF2W | 73 | 11.5 | 4.51.0 | 0.68 | 31 |
| MF3W, MF3WS | 60 | 15.5 | 5.01.0 | 0.68 | 23 |
| MF3W | 81 | 15.5 | 5.01.0 | 0.68 | 33 |
| MF5W, MF5WS | 94 | 17.5 | 6.01.0 | 0.68 | 38 |
| MF5W | 94 | 24.5 | 8.01.0 | 0.68 | 35 |
2410121228_CCO-Chian-Chia-Elec-MF1W-100R-1--T_C119469.pdf
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