MLF14JTC8R20 Equivalent & Substitute Parts

Part Overview

The MLF14JTC8R20 is a 0.25W, 1/4W chip resistor manufactured by Stackpole Electronics Inc in the MELF 0204 package format. This thin film resistor delivers 8.2 Ohms with ±5% tolerance and operates across -55°C to 155°C. The part is active in production status and ROHS3 compliant, making it suitable for general-purpose electronic applications requiring precision resistive elements in compact form factors.

Substitute parts are identified when equivalent electrical performance can be maintained while offering improved specifications, enhanced reliability certifications, or superior availability. The MLF14JTC8R20 has one qualified substitute that meets or exceeds its core functional requirements.

Substiute Parts

MLF14JTC8R20

Stackpole Electronics IncIn Stock: 755MLF14JTC8R20 Datasheet

Current PartRFQ

MMA02040C8208FB300

Vishay Beyschlag/Draloric/BC ComponentsIn Stock: 7904MMA02040C8208FB300 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MLF14JTC8R20 is determined by the following critical parameters:

• Resistance value must equal 8.2 Ohms
• Package must be MELF 0204 format
• Composition must be thin film technology
• Temperature coefficient must be ±50ppm/°C or better
• Operating temperature range must encompass -55°C to 155°C
• RoHS3 compliance is required

The identified substitute, MMA02040C8208FB300, maintains all core electrical and mechanical specifications while providing enhanced tolerance (±1% versus ±5%) and increased power rating (0.4W versus 0.25W). The substitute retains identical package geometry, temperature performance, and regulatory compliance.

Parameter Comparison

Engineering Selection Recommendations

The MMA02040C8208FB300 qualifies as a direct substitute for the MLF14JTC8R20 based on matching core electrical specifications and package format. The substitute provides improved tolerance performance (±1% versus ±5%) and higher power dissipation capability (0.4W versus 0.25W), making it suitable for applications requiring tighter resistance accuracy or higher thermal stress conditions.

Both parts maintain identical temperature coefficient performance and operating temperature range. Both achieve ROHS3 compliance and MSL 1 rating, ensuring equivalent environmental and regulatory compatibility.

The substitute incorporates anti-sulfur treatment and carries AEC-Q200 automotive qualification, positioning it for applications in automotive and harsh-environment contexts where enhanced reliability is specified.

Frequently Asked Questions (FAQ)

Q: Can MMA02040C8208FB300 replace MLF14JTC8R20 in existing designs?

A: Yes. Both parts deliver 8.2 Ohms resistance in identical MELF 0204 packages with matching temperature coefficients and operating ranges. The substitute's improved tolerance and higher power rating provide equal or superior performance in the same circuit footprint.

Q: What is the physical difference between these parts?

A: Physical dimensions are nearly identical. MLF14JTC8R20 measures 0.055" diameter × 0.138" length (1.40mm × 4.60mm). MMA02040C8208FB300 measures 0.055" diameter × 0.142" length (1.40mm × 3.60mm). This 0.004" length difference is negligible for standard PCB assembly and does not affect mechanical compatibility.

Q: Are there tolerance implications when substituting?

A: The substitute offers tighter tolerance (±1% versus ±5%), which reduces resistance variation. In circuits where the original ±5% tolerance was acceptable, the ±1% substitute will perform identically or better. In circuits requiring the original tolerance band, the substitute remains within specification.

Q: Does the higher power rating of the substitute affect circuit behavior?

A: No. The substitute's 0.4W rating exceeds the original 0.25W specification, providing additional thermal margin. Power dissipation in the circuit remains unchanged; the higher rating simply indicates greater capability without affecting electrical performance.

Q: Are both parts suitable for automotive applications?

A: MLF14JTC8R20 meets general industrial standards. MMA02040C8208FB300 carries AEC-Q200 automotive qualification, making it the preferred choice for automotive and mission-critical applications. Both are ROHS3 compliant.