Product Details
Place of Origin: China
Brand Name: TYOHM
Model Number: MM
Document: MM Metal Film Melf Resistor...v1.pdf
Payment & Shipping Terms
Minimum Order Quantity: 5K
Price: Please contact us for details
Packaging Details: T/B
Delivery Time: 7-10 work days
Payment Terms: T/T
Supply Ability: Depending on the specific circumstances, it generally takes 5-7 work days to complete
Resistance Temp. Coeff.: |
±25ppm/°C |
Short-Term Overload: |
2.5 Times Of Rated Wattage For 5 Seconds ( ±2% ) |
Dielectric Withstanding Voltage: |
Max. Overload Voltage For 1 Minute ( No Evidence Of Mechanical Damage Or Insulation Breakdown ) |
Insulation Resistance: |
10,000MΩ ( DC 100V Or 500V Megger ) |
Moisture-proof Load Life: |
Rated Power Load 90 Minutes ON 30 Minutes OFF 40°C 93% RH 56 Days ( ΔR/R≤±1.5% ) |
Dismensions: |
Please Check The Attachment |
Resistance Temp. Coeff.: |
±25ppm/°C |
Short-Term Overload: |
2.5 Times Of Rated Wattage For 5 Seconds ( ±2% ) |
Dielectric Withstanding Voltage: |
Max. Overload Voltage For 1 Minute ( No Evidence Of Mechanical Damage Or Insulation Breakdown ) |
Insulation Resistance: |
10,000MΩ ( DC 100V Or 500V Megger ) |
Moisture-proof Load Life: |
Rated Power Load 90 Minutes ON 30 Minutes OFF 40°C 93% RH 56 Days ( ΔR/R≤±1.5% ) |
Dismensions: |
Please Check The Attachment |
The MM Series Metal Film MELF Resistors are precision surface-mount resistors engineered for electronic circuits that require excellent resistance stability, low temperature coefficient, and dependable long-term performance. With temperature coefficient options of ±25ppm/℃, ±50ppm/℃, and ±100ppm/℃, the MM Series delivers accurate resistance characteristics for industrial electronics and precision electronic assemblies.
Its cylindrical MELF construction supports automated SMD assembly while the conformal multi-layer protective coating improves resistance to humidity. Combined with an insulation resistance of 10,000MΩ minimum, operating temperatures from -55℃ to +125℃, and verified 1,000-hour load life testing at 70℃, the resistor is well suited for applications demanding consistent electrical performance over extended operating periods.
| Item | Specification |
|---|---|
| Product Series | MM Series Metal Film MELF Resistors |
| Mounting Type | Surface Mount (SMD) |
| Rated Power | 1/6W, 1/4W, 1/3W, 1/2W |
| Resistance Range | 0.51Ω – 10MΩ |
| Resistance Tolerance | ±1% |
| Temperature Coefficient | ±25ppm/℃ |
| Operating Temperature | -55℃ to +125℃ |
| Maximum Surface Temperature | 125℃ |
| Maximum Working Voltage | 200V / 300V |
| Maximum Overload Voltage | 400V / 500V |
| Insulation Resistance | ≥10,000MΩ |
| Moisture Resistance | 40℃, 93% RH, 56 Days |
| Load Life | Rated Power at 70℃ for 1,000 Hours |
| Solderability | Minimum 95% Coverage |
| Reference Standards | IEC 60115-8, JIS C 5201-8 |
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