Product Overview
This specification covers Metal Film Fixed Resistors manufactured by CHIAN CHIA ELECTRONIC(HU BEI)CO.,LTD, compliant with RoHS environmental substance requirements. These resistors are designed for various applications requiring precise resistance values and reliable performance.
Product Attributes
- Brand: CHIAN CHIA ELECTRONIC
- Origin: HU BEI PROVINCE, CHINA
- Materials: Ceramic core (high alumina), Metal film resistor element, Tinned iron caps, Soldered or tinned annealed wire, Electric insulation resin undercoat, Epoxy resin finishing paint.
- Body Color: Sky blue for both Normal and Small sizes.
- Certifications: RoHS compliant.
Technical Specifications
| Type | Rated Power (W) | Resistance Range () | Tolerance | Max. Working Voltage (V) | Max. Overload Voltage (V) | Dielectric Withstanding Voltage (V) | Operating Temperature Range () | Temperature Coefficient (PPM/) |
| MF1/8W | 0.125 | 1 ~1M | J (5%), G (2%), F (1%), D (0.5%) | 150 | 300 | 300 | -55+155 | 100 |
| MF1/4WS | 0.25 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 150 | 300 | 300 | -55+155 | 100 |
| MF1/4W | 0.25 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 250 | 500 | 350 | -55+155 | 100 |
| MF1/2WS | 0.5 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 250 | 700 | 350 | -55+155 | 100 |
| MF1/2W | 0.5 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 300 | 700 | 400 | -55+155 | 100 |
| MF1WS | 1 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 300 | 800 | 400 | -55+155 | 100 |
| MF1W | 1 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 350 | 800 | 450 | -55+155 | 100 |
| MF2WS | 2 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 350 | 800 | 450 | -55+155 | 100 |
| MF2W | 2 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 500 | 800 | 450 | -55+155 | 100 |
| MF3WS | 3 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 500 | 1000 | 450 | -55+155 | 100 |
| MF3W | 3 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 500 | 800 | 500 | -55+155 | 100 |
| MF5WS | 5 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 500 | 1000 | 500 | -55+155 | 100 |
| MF5W | 5 | 1 ~10M | J (5%), G (2%), F (1%), D (0.5%) | 500 | 1000 | 500 | -55+155 | 100 |
Type Designation Example
MF 1/4 W 10K J T52
Where: MF = Metal Film, 1/4W = Rated Power, 10K = Nominal Resistance Value, J = Tolerance (5%), T52 = Type/Form.
Construction
The MF series resistors are constructed with a ceramic core, metal film resistor element, tinned iron terminal caps, and soldered or tinned annealed lead wires. The body is insulated with electric insulation resin and finished with epoxy resin 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% |
External Dimensions (P Type)
| Type | L1.0 (mm) | D (mm) | d0.05 (mm) | H2.0 (mm) | I2.0 (mm) |
| MF1/8W, MF1/4WS | 60 | 3.2 | 0.40 | 27 | 1.80.5 |
| MF1/4W, MF1/2WS | 60 | 6.5 | 0.43 | 26 | 2.30.5 |
| MF1/2W, MF1WS | 60 | 9.0 | 0.50 | 26 | 3.20.5 |
| MF1W, MF2WS | 60 | 11.5 | 0.68 | 25 | 4.51.0 |
| MF2W | 73 | 11.5 | 0.68 | 31 | 4.51.0 |
| MF3W, MF3WS | 81 | 15.5 | 0.68 | 33 | 5.01.0 |
| MF5W, MF5WS | 94 | 17.5 | 0.68 | 38 | 6.01.0 |
| MF5W | 94 | 24.5 | 0.68 | 35 | 8.01.0 |
2410121228_CCO-Chian-Chia-Elec-MF1-4W-4-7KR-1--T_C119339.pdf
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