ERJ-MP4QF1M0U Equivalent & Substitute Parts

Part Overview

The ERJ-MP4QF1M0U is a 1 mOhms ±1% 3W chip resistor manufactured by Panasonic Electronic Components in the 2512 (6432 Metric) package. This metal element current sense resistor is designed for automotive applications and meets AEC-Q200 qualification standards. The part is classified as obsolete, making equivalent and substitute parts necessary for ongoing design support and procurement continuity.

Substiute Parts

ERJ-MP4QF1M0U

Panasonic Electronic ComponentsIn Stock: 1174ERJ-MP4QF1M0U Datasheet

Current PartRFQ

ERJ-MS4SF1M0U

Panasonic Electronic ComponentsIn Stock: 15657ERJ-MS4SF1M0U Datasheet

DirectRFQ

PU3921FKM130R001L

YAGEOIn Stock: 4795PU3921FKM130R001L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the ERJ-MP4QF1M0U are identified based on strict electrical and mechanical parameter matching:

Direct Equivalent (ERJ-MS4SF1M0U): This Panasonic part maintains identical electrical specifications: 1 mOhms resistance, ±1% tolerance, 3W power rating, ±75ppm/°C temperature coefficient, and -65°C ~ 170°C operating range. Both parts are AEC-Q200 qualified metal element resistors with ROHS3 compliance and MSL 1 rating. The primary difference is packaging format (Cut Tape vs. Tape & Reel) and product status (Obsolete vs. Active). The ERJ-MS4SF1M0U is the active production equivalent within the Panasonic ERJ-MS4 series.

Similar Substitute (PU3921FKM130R001L): This YAGEO part matches all critical electrical parameters: 1 mOhms resistance, ±1% tolerance, 3W power rating, ±75ppm/°C temperature coefficient, and -65°C ~ 170°C operating range. AEC-Q200 qualification and ROHS3 compliance are maintained. The key distinction is the nonstandard package format (3921 vs. 2512), resulting in different physical dimensions and height specifications. This part is suitable for applications where package footprint flexibility exists.

Parameter Comparison

Engineering Selection Recommendations

For Direct PCB Replacement: Select ERJ-MS4SF1M0U. This part is the active production equivalent from Panasonic with identical electrical performance and standard 2512 package compatibility. The part maintains full AEC-Q200 qualification and ROHS3 compliance. Packaging format differs (Tape & Reel vs. Cut Tape), but electrical and mechanical footprint compatibility is assured.

For Design Flexibility with Package Tolerance: Select PU3921FKM130R001L. This YAGEO part provides identical electrical specifications and automotive qualification. The nonstandard 3921 package offers different physical dimensions (0.394" L x 0.205" W vs. 0.252" L x 0.126" W) and height (0.083" vs. 0.035" seated maximum). This option is suitable only if PCB layout and assembly clearances accommodate the larger footprint.

Both substitute parts maintain compliance with automotive standards and environmental regulations applicable to the original part.

Frequently Asked Questions (FAQ)

Q: Can ERJ-MS4SF1M0U be used as a direct replacement for ERJ-MP4QF1M0U?

A: Yes. Both parts share identical electrical specifications (1 mOhms, ±1%, 3W, ±75ppm/°C, -65°C ~ 170°C) and mechanical footprint (2512 package). The ERJ-MS4SF1M0U is the active production equivalent. The only difference is packaging format (Tape & Reel vs. Cut Tape), which does not affect electrical performance or PCB assembly compatibility.

Q: What are the limitations of using PU3921FKM130R001L as a substitute?

A: The PU3921FKM130R001L uses a nonstandard 3921 package with larger physical dimensions (0.394" L x 0.205" W vs. 0.252" L x 0.126" W) and greater seated height (0.083" vs. 0.035"). This part is suitable only if the PCB layout has been modified to accommodate the larger footprint and if assembly clearances permit the increased height. Electrical performance is equivalent.

Q: Are all substitute parts AEC-Q200 qualified?

A: Yes. Both ERJ-MS4SF1M0U and PU3921FKM130R001L carry AEC-Q200 qualification, meeting automotive reliability standards equivalent to the original ERJ-MP4QF1M0U.

Q: Do substitute parts meet RoHS and REACH requirements?

A: Yes. Both substitute parts are ROHS3 compliant and REACH unaffected, matching the environmental compliance status of the original part.

Q: What is the difference in packaging between ERJ-MP4QF1M0U and ERJ-MS4SF1M0U?

A: ERJ-MP4QF1M0U is supplied in Cut Tape (CT) format, while ERJ-MS4SF1M0U is supplied in Tape & Reel (TR) format. Both formats contain the same component with identical electrical and mechanical specifications. Tape & Reel packaging is standard for high-volume production environments.