MLF14FTC1K00 Equivalent & Substitute Parts

Part Overview

The MLF14FTC1K00 is a 1 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 specifications. Substitute parts are identified to provide alternative sourcing options, extended availability, or enhanced performance characteristics while maintaining electrical and mechanical compatibility within the MELF 0204 package standard.

Substiute Parts

MLF14FTC1K00

Stackpole Electronics IncIn Stock: 757MLF14FTC1K00 Datasheet

Current PartRFQ

MMA02040C1001FB300

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 23811MMA02040C1001FB300 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the MLF14FTC1K00 is determined by strict equivalence across the following critical parameters:

• Resistance value: 1 kOhms
• Tolerance: ±1%
• Package: MELF 0204 form factor
• Composition: Thin film construction
• Temperature coefficient: ±50ppm/°C
• Operating temperature range: -55°C to 155°C
• RoHS3 compliance

The identified substitute part MMA02040C1001FB300 maintains all core electrical specifications and package compatibility. The substitute offers increased power dissipation capability (0.4W versus 0.25W) and includes automotive-grade qualification (AEC-Q200) with anti-sulfur coating, providing enhanced reliability in demanding environments while remaining mechanically and electrically interchangeable within the MELF 0204 standard.

Parameter Comparison

Engineering Selection Recommendations

Both the MLF14FTC1K00 and MMA02040C1001FB300 are active production components with ROHS3 compliance and identical core electrical specifications. Selection between these parts depends on application requirements:

The MLF14FTC1K00 is suitable for standard precision applications where the 0.25W power rating is sufficient and cost optimization is prioritized.

The MMA02040C1001FB300 is appropriate for applications requiring enhanced reliability, automotive environments, or designs where the increased 0.4W power dissipation capability provides additional thermal margin. The AEC-Q200 automotive qualification and anti-sulfur coating provide enhanced performance in corrosive or high-reliability environments.

Both components maintain identical mechanical compatibility within the MELF 0204 package footprint and are suitable for direct substitution in circuit designs.

Frequently Asked Questions (FAQ)

Q: Are these parts mechanically interchangeable in MELF 0204 footprints?

A: Yes. Both the MLF14FTC1K00 and MMA02040C1001FB300 conform to the MELF 0204 package standard with identical termination configuration (2 terminations) and compatible physical dimensions. Direct PCB footprint compatibility is maintained.

Q: What is the significance of the increased power rating in the substitute part?

A: The MMA02040C1001FB300 is rated for 0.4W dissipation compared to the 0.25W rating of the MLF14FTC1K00. This provides additional thermal headroom in applications with higher current flow or elevated ambient temperatures, reducing junction temperature stress without requiring circuit redesign.

Q: Does the anti-sulfur coating affect electrical performance?

A: No. The anti-sulfur coating on the MMA02040C1001FB300 is a protective feature that enhances long-term reliability in corrosive environments. Electrical characteristics including resistance value, tolerance, and temperature coefficient remain identical to the standard MLF14FTC1K00.

Q: Are both parts suitable for automotive applications?

A: The MLF14FTC1K00 meets general industrial standards. The MMA02040C1001FB300 carries AEC-Q200 automotive qualification, making it the specified choice for automotive-grade designs. Both are ROHS3 compliant.

Q: What is the difference in temperature coefficient between these parts?

A: Both parts have identical temperature coefficients of ±50ppm/°C and operate across the same temperature range (-55°C to 155°C). No performance difference exists in this parameter.

Q: Can the substitute part be used as a direct drop-in replacement?

A: Yes. The MMA02040C1001FB300 is electrically and mechanically equivalent to the MLF14FTC1K00 for all specified parameters. Direct substitution in existing designs is supported without circuit modification.