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Specifications
Type:
Metal Film Resistor
Resistance:
2.7kΩ
Voltage-Supply(Max):
250V
Power(Watts):
250mW
Temperature Coefficient:
±100ppm/℃
Tolerance:
±1%
Operating Temperature:
-55℃~+155℃
Mfr. Part #:
MF1/4W-2.7KΩ±1% T
Package:
Through Hole,D2.3xL6.5mm
Key Attributes
Model Number:
MF1/4W-2.7KΩ±1% T
Product Description
Metal Film Fixed Resistor
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: Hubei Province, China
- 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 sizes.
- Certifications: RoHS compliant.
Technical Specifications
| Type | Rated Power | Nominal Resistance Range () | Resistance Tolerance | Max. Working Voltage (V) | Max. Overload Voltage (V) | Dielectric Withstanding Voltage (V) | Operating Temperature Range () |
| MF1/8W | 0.125W | 1 ~1M | J(5%), G(2%), F(1%), D(0.5%) | 150V | 300V | 300V | -55+155 |
| MF1/4W | 0.25W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 250V | 500V | 350V | -55+155 |
| MF1/2W | 0.5W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 300V | 700V | 400V | -55+155 |
| MF1W | 1W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 350V | 800V | 450V | -55+155 |
| MF2W | 2W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 500V | 800V | 450V | -55+155 |
| MF3W | 3W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 500V | 800V | 500V | -55+155 |
| MF5W | 5W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 500V | 1000V | 500V | -55+155 |
| MF1/4WS | 0.25W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 150V | 300V | 300V | -55+155 |
| MF1/2WS | 0.5W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 250V | 700V | 350V | -55+155 |
| MF1WS | 1W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 300V | 800V | 400V | -55+155 |
| MF2WS | 2W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 350V | 800V | 450V | -55+155 |
| MF3WS | 3W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 500V | 1000V | 450V | -55+155 |
| MF5WS | 5W | 1 ~10M | J(5%), G(2%), F(1%), D(0.5%) | 500V | 1000V | 500V | -55+155 |
Characteristics
| Item | Specification | Test Method (JIS C 5202) |
| Temperature Coefficient | Within 100PPM/ | Comply with 5.2 |
| Short Time Overload | Within (0.5%+0.05 ) | Comply with 5.5 |
| Insulation Resistance | 104M or more | Comply with 5.6 |
| Dielectric Withstanding Voltage | No evidence of flashover, arcing or insulation breakdown. | Comply with 5.7 |
| Terminal Strength | No evidence of mechanical damage. | Comply with 6.1 |
| Resistance to Soldering Heat | Within (0.5%+0.05 ) | Comply with 6.4 |
| Solderability | Covered with new solder by 95% at least. | Comply with 6.5 |
| Resistance to Solvent | No deterioration of protective coating and markings. | Comply with 6.9 |
| Temperature Cycle | Within (1%+0.05 ) | Comply with 7.4 |
| Load life in humidity | Within (2%+0.05 ) | Comply with 7.9 |
| Load life | Within (2%+0.05 ) | Comply with 7.10 |
Indication (Color Code)
| Color | 1st Figure | 2nd Figure | 3rd Figure (Multiplier) | Tolerance |
| Black | 0 | 0 | 10^0 | |
| Brown | 1 | 1 | 10^1 | 1% (F) |
| Red | 2 | 2 | 10^2 | 2% (G) |
| Orange | 3 | 3 | 10^3 | |
| Yellow | 4 | 4 | 10^4 | |
| Green | 5 | 5 | 10^5 | |
| Blue | 6 | 6 | 10^6 | |
| Violet | 7 | 7 | 10^7 | |
| Gray | 8 | 8 | ||
| White | 9 | 9 | ||
| Gold | 10^-1 | 5% (J) | ||
| Silver | 10^-2 |
External Dimensions (P Type)
| Type | L1.0 (mm) | D (mm) | d0.05 (mm) | H2.0 (mm) |
| MF1/8W, MF1/4WS | 60 | 3.2 | 1.80.5 | 0.40 |
| MF1/4W, MF1/2WS | 60 | 6.5 | 2.30.5 | 0.43 |
| MF1/2W, MF1WS | 60 | 9.0 | 3.20.5 | 0.50 |
| MF1W, MF2WS | 60 | 11.5 | 4.51.0 | 0.68 |
| MF2W, MF3WS | 60 | 15.5 | 5.01.0 | 0.68 |
| MF3W, MF5WS | 94 | 17.5 | 6.01.0 | 0.68 |
| MF5W | 94 | 24.5 | 8.01.0 | 0.68 |
2410121228_CCO-Chian-Chia-Elec-MF1-4W-2-7KR-1--T_C119333.pdf
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