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Vishay MELF Resistors

Vishay MM Series MELF Resistors

Vishay has a wide variety of MELF resistors suitable for most of the application requirements and circuitry types where reliability, long term stability, precision, ultra precision, high pulse, high voltage and high temperature features are required.


Professional MELF Resistors - Typical Tolerance & TCR ±1% & ±50ppm/ºC

Vishay's Professional Series MELF Resistors are advanced-technology thin film resistors for use in most fields of modern professional electronics where reliability and stability are of major concern. Typical applications in the fields of automotive, telecommunication and medical equipment reflect the outstanding level of proven reliability. Vishay has two brands: MM series (Beyschlag) and SMM series (Draloric).

Precision MELF Resistors - Tolerance down to ±0.1% & TCR down to ±15ppm/ºC

Vishay Precision Series MELF Resistors are advanced-technology precision thin film resistors combining the proven reliability of the professional products with an advanced level of precision and stability. Therefore they are perfectly suited for applications in the fields of test and measuring equipment along with industrial and medical electronics. MM series (Beyschlag) and SMM series (Draloric) are offered.

Professional and Precision Series Features:
  • AEC-Q200 Qualified
  • Excellent Overall Stability
  • Sulfur Resistance
 
 
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Size Resistance Range Rated
Power (W)
Tolerance (±%)
TCR (±ppm/ºC)

Working
Voltage (V)
Datasheet
MMU 0102 0.22Ω to 2.21MΩ,
0Ω Jumper
0.3 0.5, 1, 2, 5
25, 50
150

DataSheet

MMA 0204 0.22Ω to 10MΩ,
0Ω Jumper
0.4 0.5, 1, 5
25, 50
200
MMB 0207 0.1Ω to 15MΩ,
0Ω Jumper
10 0.5, 1, 2, 5
25, 50, 100
350
MMU 0102
22Ω to 332KΩ
0.2
0.1, 0.25, 0.5
15, 25
150
DataSheet
 
MMA 0204 10Ω to 511KΩ 0.250.1, 0.25, 0.5<
15, 25
200
MMB 0207 15Ω to 1MΩ 0.4
0.1, 0.25
15, 25
350
SMM0102 10Ω to 2.21MΩ,
0Ω Jumper
0.2 0.1, 1
15, 25, 50
150
DataSheet
SMM0204 0.22Ω to 10MΩ,
0Ω Jumper
0.4 0.1, 0.25, 0.5, 1, 5
15, 25, 50, 100
200
DataSheet
SMM0207 0.16Ω to 10MΩ,
0Ω Jumper
1.0 0.5, 1, 5
50, 100
350
DataSheet

Ultra Precision MELF Resistors - Tolerance down to ±0.02% / TCR Down to ±5ppm/K

Vishay Ultra Precision Series MELF Resistors combine the proven reliability of precision MELF products with the most advanced level of precision and stability first achieved with axial thin film precision resistors. This unique combination makes the product perfectly suited for all applications with outstanding requirements towards reliable precision and stability.


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Size Resistance
Range
Rated Power Tolerance (±%)TCR (±ppm/ºC)Working
Voltage (V)
Datasheet
UMA 020422Ω to
332KΩ
0.25
0.02, 0.05, 0.1, 0.25   5, 10, 15 200
DataSheet

UMB 0207 100Ω to
390KΩ
0.40
0.02, 0.05, 0.1, 0.25 5, 10, 15
350

High Voltage MELF Resistors

Up to 1000 V Operating Voltage

Vishay's High Voltage MELF resistors are the perfect choice for most fields of modern professional electronics where reliability and stability are of major concern. The devices' typical applications in the fields of lighting and medical equipment reflect the outstanding level of proven reliability.


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Size Resistance
Range
Rated Power (W) Tolerance (±%)TCR (±ppm/ºC)Working
Voltage (V)
Datasheet
MMA 0204 HV340Ω to
10MΩ
0.4
1 50 500
DataSheet
MMB 0207 HV 340KΩ to
10MΩ
1.0
1
50 1000
DataSheet

High Pulse/Surge MELF Resistors

Vishay High Pulse Series MELF Resistors with advanced pulse load capability are the perfect choice for the protection of circuitry with signal or mains input lines from surge pulses. The resistors are also suitable for circuits exposed to high levels of electromagnetic interference or electrostatic discharge. The applications are in all fields of automotive, telecommunication, industrial and medical equipment.

  • AEC-Q200 Qualified
  • Single Pulse Capability - up to 10 kV or 17 kW
  • ESD Capability - up to 16 kV, human body model


Size Resistance
Range
Rated Power (W)
Tolerance (±%)Working Voltage (V)
Datasheet
CMA 020410Ω to
100KΩ
0.4
2
200
DataSheet
CMB 0207 2.2Ω to
1.5MΩ
1.0
1, 2, 5
500
DataSheet

Additional Resources
Selector Guide - Overview of Vishay Beyschlag Thin Film MELF Resistors



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