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Specifications
Type:
Metal Film Resistor
Resistance:
51kΩ
Voltage-Supply(Max):
500V
Power(Watts):
2W
Temperature Coefficient:
±50ppm/℃
Tolerance:
±1%
Mfr. Part #:
MFR02SF5102A10
Package:
Through Hole,D4xL11.5mm
Key Attributes
Model Number:
MFR02SF5102A10
Product Description
UNIROYAL ELECTRONICS INDUSTRY CO., LTD.
LEAD-FREE METAL FILM FIXED RESISTORS - MFR SERIES
This specification covers Lead-Free Metal Film Fixed Resistors manufactured by UNIOHM. These resistors are designed for various electronic applications requiring stable and reliable resistance values.
Product Attributes
- Brand: UNIROYAL ELECTRONICS INDUSTRY CO., LTD. (UNIOHM)
- Origin: CHINA
- Product Name: LEAD-FREE METAL FILM FIXED RESISTORS
- Part Name: MFR SERIES
- Certifications: Not specified in the provided text.
Technical Specifications
| Type | Power Rating | Dimensions (mm) D x L | Body Diameter (d0.05) | Max Working Voltage | Max Overload Voltage | Dielectric Withstanding Voltage | Resistance Range (Tolerance 1%, 2%) | Resistance Range (Tolerance 5%) |
| MF 1/8W | 1/8W | 1.90.3 x 3.30.3 | 0.45 | 200V | 400V | 400V | 10~1M | 1~1M |
| MF 1/4W | 1/4W | 2.20.3 x 6.51.0 | 0.54 | 250V | 500V | 500V | 10~1M | 1~1M |
| MF 1/2W | 1/2W | 3.00.6 x 9.51.0 | 0.54 | 350V | 700V | 700V | 10~1M | 1~1M |
| MF 1W | 1W | 4.50.6 x 11.51.0 | 0.65 | 500V | 1000V | 1000V | 51.1~1M | 1~1M |
| MF 2W | 2W | 5.00.6 x 15.51.0 | 0.70 | 500V | 1000V | 1000V | 51.1~1M | 1~1M |
| MF 3W | 3W | 6.00.6 x 17.51.0 | 0.75 | 500V | 1000V | 1000V | 51.1~1M | 1~1M |
| MF 1/4WS | 1/4W | 1.90.5 x 3.30.3 | 0.45 | 200V | 400V | 200V | 10~1M | 1~1M |
| MF 0.4WSS | 0.4W | 1.90.5 x 3.30.3 | 0.45 | 200V | 400V | 200V | 10~1M | 1~1M |
| MF 1/2WSS | 1/2W | 2.20.5 x 6.50.5 | 0.54 | 250V | 500V | 250V | 10~1M (1%) | 1~1M (2%, 5%) |
| MF 1/2WS | 1/2W | 2.70.5 x 9.01.0 | 0.54 | 350V | 700V | 700V | 10~1M | 1~1M |
| MF 0.6WS | 0.6W | 2.20.5 x 6.51.0 | 0.54 | 250V | 500V | 250V | 10~1M (1%) | 1~1M (2%, 5%) |
| MF 1WS | 1W | 3.50.6 x 9.51.0 | 0.60 | 350V | 700V | 350V | 10~1M | 10~1M |
| MF 2WS | 2W | 4.00.6 x 11.51.0 | 0.65 | 500V | 1000V | 350V | 10~1M | 10~1M |
| MF 3WS | 3W | 5.00.6 x 15.51.0 | 0.70 | 500V | 1000V | 350V | 10~1M | 10~1M |
Specification Details
| Item | Limits | Test Method |
| Temperature Coefficient | 0.1% (15 PPM/Max.) 0.25% (25 PPM/Max.) 0.5% (50PPM/Max.) 1% (50PPM/Max.) 2% (100PPM/Max.) 5% (200PPM/Max.) | JIS-C-5201&5202 |
| Short-time overload | Resistance change rate is: (0.5%+0.05)Max. | 4.13 |
| Dielectric withstanding voltage | No evidence of flashover mechanical damage, arcing or insulation break down. | 4.7 |
| Pulse overload | Resistance change rate is: (1%+0.05) Max. | 4.28 |
| Resistance to soldering heat | Resistance change rate is: (1%+0.05) Max. | 4.18 |
| Resistance to solvent | No deterioration of protective coatings & markings | 4.29 |
| Terminal strength | No evidence of mechanical damage | 4.16 |
| Solderability | 95% coverage Min. | 4.17 |
| Temperature cycling | Resistance change rate is: (1%+0.05) Max. | 4.19 |
| Load life in humidity | Normal type: 1.5%; flame retardant type: 5% | 7.9 |
| Load life | Normal type: 1.5%; flame retardant type: 5% | 4.25.1 |
2410121333_UNI-ROYAL-MFR02SF5102A10_C58722.pdf
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