MCR03EZPFX3923 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3923 is a 392 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This thick film resistor meets automotive AEC-Q200 qualification standards and operates across -55°C to 155°C. The part is currently discontinued at DiGi Electronics, making equivalent substitutes necessary for ongoing production and maintenance applications.

Substiute Parts

MCR03EZPFX3923

Rohm SemiconductorIn Stock: 1152MCR03EZPFX3923 Datasheet

Current PartRFQ

ERJ-3EKF3923V

Panasonic Electronic ComponentsIn Stock: 51230ERJ-3EKF3923V Datasheet

DirectRFQ

RMCF0603FT392K

Stackpole Electronics IncIn Stock: 206494RMCF0603FT392K Datasheet

DirectRFQ

CR0603-FX-3923ELF

Bourns Inc.In Stock: 53203CR0603-FX-3923ELF Datasheet

SimilarRFQ

RC0603FR-07392KL

YAGEOIn Stock: 142391RC0603FR-07392KL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (392 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). All substitute parts listed meet these core electrical and mechanical requirements. Packaging format (Tape & Reel or Cut Tape) does not affect functional equivalence. Automotive AEC-Q200 certification or moisture-resistant features represent enhanced specifications that do not preclude substitution but indicate additional qualification levels.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the MCR03EZPFX3923 and maintain identical electrical specifications. Selection among active alternatives should prioritize availability and supply chain reliability. ERJ-3EKF3923V (Panasonic) and RMCF0603FT392K (Stackpole) carry automotive AEC-Q200 certification, matching the original part's automotive qualification. CR0603-FX-3923ELF (Bourns) and RC0603FR-07392KL (YAGEO) feature moisture-resistant specifications, providing enhanced environmental protection. All parts comply with ROHS3 and maintain MSL 1 (Unlimited) moisture sensitivity ratings, ensuring compatibility with standard PCB assembly processes.

Frequently Asked Questions (FAQ)

Q: Can ERJ-3EKF3923V replace MCR03EZPFX3923 in automotive applications? A: Yes. ERJ-3EKF3923V meets all electrical and mechanical parameters of the original part and carries AEC-Q200 automotive qualification, making it suitable for automotive circuit designs.

Q: What is the difference between direct and similar substitutes? A: Direct substitutes (ERJ-3EKF3923V, RMCF0603FT392K) maintain identical specifications including automotive AEC-Q200 certification. Similar substitutes (CR0603-FX-3923ELF, RC0603FR-07392KL) meet all core electrical requirements but feature moisture-resistant specifications instead of automotive certification.

Q: Are packaging format differences significant? A: Packaging format (Tape & Reel or Cut Tape) affects handling and assembly logistics but does not impact electrical or mechanical equivalence. Component selection should account for assembly equipment compatibility and inventory management requirements.

Q: Do all substitutes meet RoHS compliance? A: Yes. All listed substitute parts are ROHS3 compliant and maintain MSL 1 (Unlimited) ratings, ensuring compatibility with standard lead-free PCB assembly processes.

Q: Can I use YAGEO RC0603FR-07392KL in place of the original Rohm part? A: Yes. RC0603FR-07392KL meets all core electrical specifications (392 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C ~ 155°C). The moisture-resistant feature provides additional environmental protection without affecting functional equivalence.