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Specifications
Type:
Metal Film Resistor
Resistance:
30Ω
Voltage-Supply(Max):
350V
Power(Watts):
750mW
Temperature Coefficient:
±5ppm/℃
Tolerance:
±0.1%
Operating Temperature:
-50℃~+125℃
Mfr. Part #:
MMFR5215B30R0V9
Package:
Through Hole,D5.2xL14.8mm
Key Attributes
Model Number:
MMFR5215B30R0V9
Product Description
MMFR Precision Molded Metal Film Resistor
The MMFR series are precision molded metal film resistors designed to address the challenges in customer design and manufacturing. Utilizing advanced precision metal film deposition technology on 96% alumina ceramic rods, these resistors achieve target resistance values through laser trimming. They offer high precision, low temperature coefficients, and excellent load life stability, making them ideal for applications requiring high accuracy and stability. The robust construction, including leaded design to reduce PCB stress, enhances their suitability for demanding environments.
Product Advantages
- Precision metal film deposition technology
- Strong moisture resistance
- High precision and low temperature coefficient
- High load life stability
- Reduced PCB stress due to leaded structure
Applications
- Precision Instruments
- Industrial Control Equipment
- Precision Power Supplies
Electrical Parameters
| Series | Power (+85) | Temperature Coefficient | Resistance Range | Available Precision | Max. Working Voltage | Working Temperature Range | Resistance Standard |
| MMFR1679 | 0.16W | 100ppm/ | 21-2M | 1.00%, 1.2%, 1.6%, 2.1% | 161V | -55~+155 | E12, E24 |
| MMFR4821 | 0.21W | 100ppm/ | 21-2M | 1.00%, 1.2%, 1.6%, 2.1% | 211V | -55~+155 | E12, E24 |
| MMFR63126 | 0.28W | 100ppm/ | 21-2M | 1.00%, 1.2%, 1.6%, 2.1% | 411V | -55~+155 | E12, E24 |
| MMFR7629 | 0.4W | 100ppm/ | 21-2M | 1.00%, 1.2%, 1.6%, 2.1% | 461V | -55~+155 | E12, E24 |
Dimensions and Packaging
| Series | L (mm) | D (mm) | d (mm) | Packaging Quantity |
| MMFR1679 | 3.61.5 | 1.70.16 | 0.70.16 | 100pcs |
| MMFR4821 | 4.81.5 | 1.70.16 | 0.70.16 | 211pcs |
| MMFR63126 | 6.31.5 | 1.90.16 | 0.90.16 | 211pcs |
| MMFR7629 | 7.61.5 | 2.10.16 | 1.00.16 | 211pcs |
Product Attributes
- Brand: RESI
- Manufacturer: (Shenzhen Kaibu Electronics Co., Ltd.)
- Website: www.resistor.today
- Email: resi@cbeureka.com
- Tel: 1866-939-0062
Performance Indicators
| Test Item | Test Method | Standard | Max. Value |
| Load Life | +853, 1000h, rated voltage or max. working voltage (whichever is smaller) | IEC 60115-1, 4.25 | 1.00%+0.02 |
| Short-time Overload | 2x rated voltage or 3x max. working voltage (whichever is smaller), 5s | IEC 60115-1, 4.13 | 1.00%+0.02 |
| Solvent Resistance | Immersion in IPA for 5 minutes, then use ultrasonic | IEC 60115-1, 4.17 | Clear marking, no visible damage |
| Solderability | +35010, 30.5s, immersion 20.5mm | IEC 60115-1, 4.11 | 95% coverage |
| Damp Heat | +403, 90%-96% RH, 67 days, 0.1x rated voltage or max. working voltage (whichever is smaller) | IEC 60115-1, 4.20 | 1.00%+0.02 |
| Insulation Voltage | AC voltage with effective value of max. overload voltage applied between electrodes and substrate at a rate of approx. 211V/s, hold for 70s | IEC 60115-1, 4.14 | No breakdown or flashover |
| Insulation Resistance | DC voltage of 211V applied between electrodes and substrate, hold for 70s, then measure insulation resistance value | IEC 60115-1, 4.15 | 21111M |
2411191526_RESI-MMFR5215B30R0V9_C28884607.pdf
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