MLF14FTC150R Equivalent & Substitute Parts

Part Overview

The MLF14FTC150R is a 150 Ohm ±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, measurement equipment, and applications requiring tight tolerance resistive elements. Substitute parts are identified to provide design flexibility, supply chain alternatives, and enhanced performance options while maintaining electrical and mechanical compatibility within the MELF 0204 package specification.

Substiute Parts

MLF14FTC150R

Stackpole Electronics IncIn Stock: 934MLF14FTC150R Datasheet

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MMA02040C1500FB300

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 29389MMA02040C1500FB300 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the MLF14FTC150R is determined by strict equivalence across the following critical parameters:

• Resistance Value: Must be 150 Ohms
• Tolerance: Must be ±1%
• Package: Must be MELF 0204 form factor
• Composition: Must be Thin Film technology
• Temperature Coefficient: Must be ±50ppm/°C
• Operating Temperature Range: Must support -55°C to 155°C minimum
• Termination Count: Must be 2 terminations

The substitute part MMA02040C1500FB300 meets all these criteria. While it offers enhanced power rating (0.4W vs 0.25W) and automotive qualification (AEC-Q200), these represent performance upgrades rather than deviations from the core substitution parameters. The identical resistance, tolerance, package, and thermal specifications ensure direct functional equivalence.

Parameter Comparison

Engineering Selection Recommendations

Both the MLF14FTC150R and MMA02040C1500FB300 are active production components with full RoHS3 compliance and REACH unaffected status. Selection between these parts should be based on application-specific requirements:

The MLF14FTC150R is suitable for standard precision applications where the 0.25W power rating is adequate and cost optimization is prioritized.

The MMA02040C1500FB300 is appropriate for applications requiring enhanced thermal performance, automotive-grade reliability (AEC-Q200 qualified), or anti-sulfur protection in corrosive environments. The higher power rating provides additional design margin without package size increase.

Both components are suitable for direct substitution in circuits designed for the MELF 0204 package with 150 Ohm ±1% specifications.

Frequently Asked Questions (FAQ)

Q: Can MMA02040C1500FB300 be used as a direct replacement for MLF14FTC150R?

A: Yes. Both components share identical resistance value (150 Ohms), tolerance (±1%), package (MELF 0204), composition (thin film), temperature coefficient (±50ppm/°C), and operating temperature range (-55°C to 155°C). The higher power rating of the substitute part does not create incompatibility.

Q: What is the physical difference between these parts?

A: The MLF14FTC150R measures 0.055" diameter × 0.138" length (1.40mm × 4.60mm). The MMA02040C1500FB300 measures 0.055" diameter × 0.142" length (1.40mm × 3.60mm). Both fit the MELF 0204 package specification. The 0.004" length difference is within standard PCB pad tolerance for this package type.

Q: Are there any compliance differences?

A: Both parts are ROHS3 compliant, REACH unaffected, and carry MSL 1 (unlimited) moisture sensitivity ratings. The MMA02040C1500FB300 additionally carries AEC-Q200 automotive qualification and anti-sulfur protection, which are enhancements rather than restrictions.

Q: Which part should be selected for new designs?

A: Selection depends on application requirements. For automotive or harsh environment applications, MMA02040C1500FB300 is preferred. For general precision applications, either part is acceptable based on availability and cost considerations.

Q: Are these parts interchangeable in existing PCB layouts?

A: Yes. Both components use identical MELF 0204 package specifications and 2-termination configuration. PCB footprints designed for either part will accommodate the other without modification.