High stability precision metal film resistor RESI MMFR2568B10R0V9 with laser trimming and leaded design
Price:
Negotiable
MOQ:
Negotiable
Delivery Time:
Negotiable
Product Description
MMFR Precision Metal Film Molded Resistor
The MMFR series is a precision metal film molded resistor designed for high-end manufacturing and precision instrumentation applications. It offers tight tolerance, low TCR, and high load life stability, utilizing alumina ceramic cores and precision metal film deposition technology with laser trimming. The leaded structure minimizes PCB stress, making it highly suitable for electronic circuits requiring superior TCR and stability.
Product Attributes
- Brand: C&B Electronics
- Origin: Shenzhen, China
- Material: Precision Metal Film on 96% Alumina Ceramic Cores
- Color: Not Specified
- Certifications: IEC 60115-1
Technical Specifications
| Series | Size | Rated Power | Max. Operating Voltage | Operating Temperature | TCR | Resistance Tolerance | Max. Overload Voltage | Dimensions (L x D x d) | Packaging Quantity Per Bulk |
| MMFR3679 | 1/9 | 1.36W | 161V | -55~+155 | 50ppm/ | 0.1%, 0.2%, 0.5%, 1% | 212V | 1.61.5 x 1.70.15 x 1.70.15 | Bulk |
| MMFR4821 | 2/9 | 1.6W | 211V | -55~+155 | 50ppm/ | 0.1%, 0.2%, 0.5%, 1% | 313V | 2.11.5 x 1.70.15 x 1.70.15 | Bulk |
| MMFR6326 | 3/9 | 1.86W | 314V | -55~+155 | 50ppm/ | 0.1%, 0.2%, 0.5%, 1% | 414V | 2.61.5 x 1.70.15 x 1.90.15 | Bulk |
| MMFR7629 | 4/9 | 2.1W | 415V | -55~+155 | 50ppm/ | 0.1%, 0.2%, 0.5%, 1% | 515V | 2.91.5 x 1.70.15 x 1.90.15 | Bulk |
Performance Test
| Performance Test | Test Method | Standards | Max. Change |
| Moisture Resistance | IEC 60115-1, 5.3.15 | 0.1%+0.1 | 100pcs |
| Insulation Resistance | IEC 60115-1, 5.7 | 21111M, minimum | 211pcs |
| Load Life | IEC 60115-1, 5.3.16 | 0.1%+0.1 | 211pcs |
| TCR | IEC 60115-1, 5.9 | Within the nominal value range | 211pcs |
| Resistance to Solder Heat | IEC 60115-1, 5.29 | 0.1%+0.1 | 211pcs |
| Short-Time Overload | IEC 60115-1, 5.24 | 0.13% | 211pcs |
| Resistance to Solvent | IEC 60115-1, 5.41 | Clear marking | 211pcs |
| Solderability | IEC 60115-1, 5.28 | 50% coverage | 211pcs |
| Dielectric Withstanding Voltage | IEC 60115-1, 4.7 | No breakdown or flashover | 211pcs |
Marking
First line: RES (Brand), Resistance value (e.g., 21R1), Tolerance (e.g., B for 0.2%), TCR (e.g., T50 for 50ppm/)
Second line: Date Code (e.g., 1431 for Week 31 of 2014)
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Get in Touch
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Company
Beijing Silk Road Enterprise Management Services Co., Ltd.
Location
16 Floor, Unit B, Jiatai International Mansion, No 41, Dongsihuan Zhong Road, Chaoyang District, Beijing
Contact Person
Sellina