MLF14FTC47K5 Equivalent & Substitute Parts

Part Overview

The MLF14FTC47K5 is a 47.5 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, measurement equipment, and applications requiring tight tolerance and low temperature coefficient performance. Substitute parts are identified to provide alternative sourcing options while maintaining electrical and mechanical compatibility within specified parameters.

Substiute Parts

MLF14FTC47K5

Stackpole Electronics IncIn Stock: 1202MLF14FTC47K5 Datasheet

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MMA02040C4752FB300

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 6308MMA02040C4752FB300 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MLF14FTC47K5 is determined by the following critical parameters:

• Resistance value: 47.5 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: Required for regulatory alignment

The identified substitute MMA02040C4752FB300 meets all critical parameters. The power rating difference (0.4W vs. 0.25W) represents an upgrade that maintains backward compatibility, as the substitute can safely operate in applications designed for the lower-rated component.

Parameter Comparison

Engineering Selection Recommendations

Both the MLF14FTC47K5 and MMA02040C4752FB300 are active production components with ROHS3 compliance and MSL 1 ratings, ensuring regulatory alignment and handling compatibility. The MMA02040C4752FB300 includes AEC-Q200 automotive qualification and anti-sulfur coating, providing enhanced reliability for demanding environments. The increased power rating (0.4W vs. 0.25W) offers thermal margin without affecting electrical performance. Selection between these parts should be based on availability, supply chain requirements, and application-specific environmental conditions.

Frequently Asked Questions (FAQ)

Q: Can MMA02040C4752FB300 directly replace MLF14FTC47K5 in existing designs?

A: Yes. Both components share identical resistance, tolerance, temperature coefficient, and operating temperature range. The MELF 0204 package dimensions are compatible. The higher power rating of the substitute provides additional thermal headroom.

Q: What is the significance of the power rating difference?

A: The MLF14FTC47K5 is rated at 0.25W, while MMA02040C4752FB300 is rated at 0.4W. In applications where the original component operates below its 0.25W limit, the substitute's higher rating ensures safe operation with improved thermal performance. No circuit redesign is required.

Q: Are there packaging differences between these parts?

A: Both components use MELF 0204 packaging. The MMA02040C4752FB300 is supplied in Cut Tape (CT) & Digi-Reel® format, while the MLF14FTC47K5 is supplied in Tape & Reel (TR). These are standard packaging variations for the same physical package type and do not affect component compatibility.

Q: What does AEC-Q200 qualification mean for the substitute?

A: AEC-Q200 is an automotive industry standard for passive components. The MMA02040C4752FB300 meets this qualification, indicating enhanced reliability testing and performance validation. This certification is beneficial for applications requiring automotive-grade reliability but is not mandatory for non-automotive use.

Q: Are both components RoHS compliant?

A: Yes. Both MLF14FTC47K5 and MMA02040C4752FB300 are ROHS3 compliant, meeting current environmental and regulatory requirements for electronic components.