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1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series
1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series
1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series
1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series
Specifications
Model Number :
MM
Short-Term Overload :
2.5 times of rated wattage for 5 seconds ( ±2% )
Supply Ability :
Depending on the specific circumstances, it generally takes 5-7 work days to complete
Payment Terms :
T/T
Dismensions :
Please check the attachment
Delivery Time :
7-10 work days
Brand Name :
TYOHM
Resistance Temp. Coeff. :
±25ppm/°C
Price :
Please contact us for details
Packaging Details :
T/B
Moisture-proof Load Life :
Rated power load 90 minutes ON 30 minutes OFF 40°C 93% RH 56 days ( ΔR/R≤±1.5% )
Place of Origin :
China
Dielectric Withstanding Voltage :
Max. Overload Voltage for 1 minute ( No evidence of mechanical damage or insulation breakdown )
MOQ :
5K
Insulation Resistance :
10,000MΩ ( DC 100V or 500V megger )
Description
Features
  • SMD enabled structure with excellent solderability.
  • Conformal multi-layer coating against humidity.
  • 5% resistance values are 3-band coded; 2% and below are 4-band coded.
Product Overview

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.

Specifications
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

1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series

Applications
  • Industrial Control Systems
  • Precision Measurement Equipment
  • Power Supply Modules
  • Factory Automation Equipment
  • Telecommunication Electronics
  • Consumer Electronic Devices
  • PCB Assembly
  • Industrial Electronic Circuits
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1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series

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Product Detail
Model Number :
MM
Short-Term Overload :
2.5 times of rated wattage for 5 seconds ( ±2% )
Supply Ability :
Depending on the specific circumstances, it generally takes 5-7 work days to complete
Payment Terms :
T/T
Dismensions :
Please check the attachment
Delivery Time :
7-10 work days
Contact Supplier
1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series
1% High precision 25ppm/°C SMD Resistor Metal Film MELF Resistors MM Series

ASIA AKITA ELECTRONIC TECHNOLOGY(SHENZHEN)CO.,LTD

Verified Supplier
1 Years
shenzhen
Since 1992
Business Type :
Manufacturer, Exporter, Seller
Main Products :
Automotive Resistors, Wire Wound Resistors, Fusible Resistors
Total Annual :
$50M-$54M
Employee Number :
700~720
Certification Level :
Verified Supplier
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