MMF207FRE2R7 Equivalent & Substitute Parts

Part Overview

The MMF207FRE2R7 is a 2.7 Ohms ±1% 0.6W Metal Film Chip Resistor in MELF 0207 package manufactured by YAGEO. This component is actively produced and widely used in precision analog circuits, power applications, and industrial equipment requiring stable resistance values with tight tolerance specifications. Substitute parts may be required due to supply chain constraints, regional availability, or specific application requirements such as automotive qualification or enhanced environmental performance.

Substiute Parts

MMF207FRE2R7
YAGEOIn Stock: 967MMF207FRE2R7 Datasheet
MMF207FRE2R7
Current Part
MMA02040C2708FB300
Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 3491MMA02040C2708FB300 Datasheet
MMA02040C2708FB300
MFR Recommended

Key Parameters

Parameter Value
Resistance 2.7 Ohms
Tolerance ±1%
Power Rating 0.6W
Composition Metal Film
Temperature Coefficient ±50ppm/°C
Operating Temperature Range -55°C ~ 155°C
Package Type MELF 0207
RoHS Status ROHS3 Compliant
Moisture Sensitivity Level MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MMF207FRE2R7 is determined by the following critical parameters:

  • Resistance value: 2.7 Ohms (exact match required)
  • Tolerance: ±1% (equivalent or tighter tolerance acceptable)
  • Temperature coefficient: ±50ppm/°C (equivalent or better stability required)
  • Operating temperature range: -55°C ~ 155°C (must meet or exceed)
  • RoHS3 compliance: Required for regulatory alignment
  • Moisture sensitivity: MSL 1 or better

The MMA02040C2708FB300 qualifies as a substitute despite differences in package size (MELF 0204 vs. 0207) and power rating (0.4W vs. 0.6W) because it maintains identical electrical specifications for resistance, tolerance, and temperature coefficient. The smaller package and lower power rating represent a design trade-off suitable for applications where thermal dissipation is not the limiting factor. The automotive AEC-Q200 qualification and anti-sulfur composition provide enhanced reliability in demanding environments.

Parameter Comparison

Parameter MMF207FRE2R7 (YAGEO) MMA02040C2708FB300 (Vishay)
Resistance 2.7 Ohms 2.7 Ohms
Tolerance ±1% ±1%
Power Rating 0.6W 0.4W
Composition Metal Film Thin Film
Temperature Coefficient ±50ppm/°C ±50ppm/°C
Operating Temperature -55°C ~ 155°C -55°C ~ 155°C
Package MELF 0207 MELF 0204
Size 2.20mm Dia x 5.90mm L 1.40mm Dia x 3.60mm L
RoHS Status ROHS3 Compliant ROHS3 Compliant
Automotive Rating Not specified AEC-Q200

Engineering Selection Recommendations

The MMF207FRE2R7 remains the primary choice for applications requiring the full 0.6W power dissipation capability in a standard MELF 0207 form factor. The MMA02040C2708FB300 is suitable as a substitute when:

  • Circuit design permits operation with 0.4W maximum power dissipation
  • PCB layout accommodates the smaller 0204 package dimensions
  • Automotive-grade reliability (AEC-Q200) and anti-sulfur composition provide system-level benefits
  • Supply availability or cost optimization favors the Vishay component

Both parts maintain identical electrical performance in resistance, tolerance, and temperature stability. The choice between them depends on thermal design requirements and mechanical constraints rather than electrical functionality.

Frequently Asked Questions (FAQ)

Q: Can the MMA02040C2708FB300 replace the MMF207FRE2R7 in all applications?

A: Substitution is valid only if the circuit design does not require the full 0.6W power dissipation capability. The 0.4W rating of the MMA02040C2708FB300 is the limiting factor. Verify that actual power dissipation in your application remains below 0.4W before implementing this substitute.

Q: What is the difference between Metal Film and Thin Film composition?

A: Both compositions deliver the specified ±1% tolerance and ±50ppm/°C temperature coefficient. Thin Film technology (MMA02040C2708FB300) typically offers superior frequency response and lower noise characteristics, while Metal Film (MMF207FRE2R7) provides robust performance across standard industrial applications.

Q: Does the smaller MELF 0204 package affect circuit performance?

A: Package size does not affect electrical performance. The 0204 package is mechanically smaller and may require PCB layout adjustment. Verify that your PCB design accommodates the reduced dimensions (1.40mm Dia x 3.60mm L) before substitution.

Q: Are both parts suitable for automotive applications?

A: The MMA02040C2708FB300 carries AEC-Q200 automotive qualification. The MMF207FRE2R7 does not specify automotive rating. For automotive designs, the MMA02040C2708FB300 is the preferred choice if power requirements permit.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has no moisture sensitivity limitations. Both parts can be stored and handled without special moisture control measures, simplifying supply chain and assembly processes.

Request Quote (Ships tomorrow)