MLF14FTC5K11 Equivalent & Substitute Parts

Part Overview

The MLF14FTC5K11 is a 5.11 kOhms ±1% 0.25W MELF 0204 thin film chip resistor manufactured by Stackpole Electronics Inc. This component is actively produced and widely used in precision analog circuits requiring stable resistance values with tight tolerances. Substitute parts are identified to provide design flexibility, inventory alternatives, and enhanced performance options while maintaining electrical and mechanical compatibility within the MELF 0204 package specification.

Substiute Parts

MLF14FTC5K11

Stackpole Electronics IncIn Stock: 825MLF14FTC5K11 Datasheet

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MMA02040C5111FB300

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 16273MMA02040C5111FB300 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution for the MLF14FTC5K11 is determined by strict equivalence across the following critical parameters:

• Resistance value: 5.11 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Package: MELF 0204 (mechanical and electrical compatibility)
• Composition: Thin Film (performance characteristics)
• Temperature coefficient: ±50ppm/°C (stability requirement)
• Operating temperature range: -55°C to 155°C (environmental compatibility)
• RoHS3 compliance and MSL 1 rating (regulatory and reliability requirements)

The substitute part MMA02040C5111FB300 meets all these criteria. The increased power rating (0.4W vs. 0.25W) and additional automotive qualification (AEC-Q200) represent enhanced capabilities that do not compromise compatibility with the original specification.

Parameter Comparison

Engineering Selection Recommendations

Both the MLF14FTC5K11 and MMA02040C5111FB300 are active production components with full RoHS3 compliance and MSL 1 ratings. Selection between these parts depends on application requirements:

The MLF14FTC5K11 is suitable for standard precision analog applications where the 0.25W power rating is sufficient and cost optimization is a priority.

The MMA02040C5111FB300 is appropriate for applications requiring higher power dissipation capability (0.4W), automotive-grade reliability (AEC-Q200 qualification), or enhanced environmental protection (anti-sulfur coating). The increased power rating provides design margin without electrical or mechanical incompatibility.

Both parts are mechanically and electrically interchangeable within the MELF 0204 package footprint and maintain identical electrical performance characteristics.

Frequently Asked Questions (FAQ)

Q: Can MMA02040C5111FB300 be used as a direct replacement for MLF14FTC5K11?

A: Yes. Both parts share identical resistance value (5.11 kOhms), tolerance (±1%), temperature coefficient (±50ppm/°C), operating temperature range (-55°C to 155°C), and MELF 0204 package dimensions. The substitute part has a higher power rating (0.4W vs. 0.25W), which does not create incompatibility.

Q: What is the physical difference between these parts?

A: The MLF14FTC5K11 measures 0.055" diameter × 0.138" length (1.40mm × 4.60mm). The MMA02040C5111FB300 measures 0.055" diameter × 0.142" length (1.40mm × 3.60mm). Both fit the MELF 0204 package specification and are compatible with standard PCB footprints designed for this package type.

Q: Why does the substitute part have a higher power rating?

A: The MMA02040C5111FB300 is part of the MMA Professional series and includes automotive-grade qualification (AEC-Q200) and anti-sulfur coating. These enhancements support the increased power rating of 0.4W while maintaining all other electrical parameters identical to the original specification.

Q: Are there any compliance or certification differences?

A: Both parts are ROHS3 compliant, MSL 1 rated, and REACH unaffected. The MMA02040C5111FB300 carries additional AEC-Q200 automotive qualification, which is a superset of standard industrial requirements and does not restrict use in non-automotive applications.

Q: Can the substitute part be used in cost-sensitive applications?

A: The MMA02040C5111FB300 is available in higher inventory quantities (16,213 pcs vs. 764 pcs for the MLF14FTC5K11), which may provide supply chain advantages. Cost comparison should be evaluated based on current procurement pricing and volume requirements.