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、±50ppm/°C、±100ppm/°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、±50ppm/°C、±100ppm/°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 |
1. SMD enabled structure with excellent solderability
2. Conformal multi-layer coating against humidity
3. 5% tolerance uses 3-band coding; 2% and below use 4-band coding
Metal film resistors are surface-mount resistors manufactured using metal film technology, offering excellent stability and precise resistance control. They utilize a MELF (Metal-on-Leader) package, resulting in a compact size suitable for space-constrained circuit designs.
This series of resistors exhibits excellent solderability and employs a multi-layer protective coating to effectively prevent the effects of moisture on resistance performance, making them particularly suitable for applications with high reliability requirements.
Depending on the resistance accuracy, the products are available with 3-color bands (±5%) and 4-color bands (±2% and below) for easy user identification and selection.
| Item | Parameter Description |
|---|---|
| Product Name | Metal Film MELF Resistor |
| Resistance Range | 0.51Ω ～ 10MΩ |
| Resistance Tolerance | ±1%, ±2%, ±5%(Accuracy up to 0.5%) |
| Package Type | MELF (Metal Electrode Leadless Surface Mount) |
| Terminal Type | Leadless Surface Mount (SMD) |
| Coating Type | Multi-layer coating, moisture resistant |
| Encoding Band Type | Three codes for 5% and below, four codes for below 2% |
| Operating Temperature Range | -55°C ～ +155°C |
Excellent Solderability
SMD Structure design simplifies soldering, making it suitable for automated production and improving assembly efficiency.
Conformal Coating
Multi-layer coating effectively prevents moisture from affecting the resistor, enhancing its reliability and ensuring long-term stable operation.
High Precision & Low TCR
Utilizing metal film technology, it features a low temperature coefficient and excellent resistance stability, making it suitable for high-precision applications.
Simple Coding System
Based on different resistance tolerances, it offers three-band coding (5% tolerance) and four-band coding (2% and below tolerance) for easy and accurate selection.
Metal Film Resistors are widely used in:
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