MCR03EZPFX2373 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2373 is a 237 kOhms ±1% 0.1W chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This thick film resistor meets automotive AEC-Q200 qualification and operates across -55°C to 155°C. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain electrical and mechanical compatibility for ongoing production and repair applications.

Substiute Parts

MCR03EZPFX2373

Rohm SemiconductorIn Stock: 856MCR03EZPFX2373 Datasheet

Current PartRFQ

CRCW0603237KFKEA

Vishay DaleIn Stock: 22544CRCW0603237KFKEA Datasheet

DirectRFQ

ERJ-3EKF2373V

Panasonic Electronic ComponentsIn Stock: 54249ERJ-3EKF2373V Datasheet

DirectRFQ

RC0603FR-07237KL

YAGEOIn Stock: 93013RC0603FR-07237KL Datasheet

DirectRFQ

RMCF0603FT237K

Stackpole Electronics IncIn Stock: 48604RMCF0603FT237K Datasheet

DirectRFQ

CR0603-FX-2373ELF

Bourns Inc.In Stock: 54895CR0603-FX-2373ELF Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

• Resistance value: 237 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these core electrical and mechanical specifications. Substitutes are categorized as direct equivalents (CRCW0603237KFKEA, ERJ-3EKF2373V, RC0603FR-07237KL, RMCF0603FT237K) or similar alternatives (CR0603-FX-2373ELF) based on manufacturer certification status and feature alignment.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain full electrical and mechanical equivalence to the MCR03EZPFX2373. Selection among active alternatives should prioritize product availability and supply chain continuity:

CRCW0603237KFKEA (Vishay Dale) and ERJ-3EKF2373V (Panasonic) are direct equivalents with automotive AEC-Q200 certification matching the original part's qualification level. RMCF0603FT237K (Stackpole Electronics) also carries AEC-Q200 rating and is available in Tape & Reel packaging.

RC0603FR-07237KL (YAGEO) and CR0603-FX-2373ELF (Bourns) are functionally equivalent with moisture-resistant thick film construction. These parts lack explicit AEC-Q200 designation but meet all electrical and environmental specifications.

For applications requiring automotive qualification continuity, prioritize CRCW0603237KFKEA, ERJ-3EKF2373V, or RMCF0603FT237K. For general industrial applications, all six alternatives provide equivalent performance.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for MCR03EZPFX2373?

A: Yes. All listed substitutes match the core electrical parameters (237 kOhms, ±1%, 0.1W), package format (0603), composition (thick film), temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1). Physical dimensions and termination count are identical.

Q: What is the difference between direct equivalents and similar alternatives?

A: Direct equivalents (CRCW0603237KFKEA, ERJ-3EKF2373V, RC0603FR-07237KL, RMCF0603FT237K) are functionally and mechanically identical to the original part. CR0603-FX-2373ELF is classified as a similar alternative due to feature variations, though it maintains full electrical and package compatibility.

Q: Does automotive AEC-Q200 certification matter for my application?

A: AEC-Q200 certification indicates qualification for automotive temperature cycling and reliability testing. If your application requires automotive-grade components, select CRCW0603237KFKEA, ERJ-3EKF2373V, or RMCF0603FT237K. For non-automotive applications, all alternatives are suitable.

Q: Are there packaging format differences I should consider?

A: Substitute parts are available in Cut Tape (CT) & Digi-Reel® or Tape & Reel (TR) formats. Choose based on your assembly process requirements. All formats contain identical components; packaging affects handling and automation compatibility only.

Q: Will substituting this resistor require PCB layout changes?

A: No. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W, 1.60mm x 0.80mm nominal). PCB layouts and assembly processes require no modification.

Q: What inventory levels are available for these substitutes?

A: YAGEO RC0603FR-07237KL has the highest inventory (93,003 pcs), followed by Panasonic ERJ-3EKF2373V (54,144 pcs) and Bourns CR0603-FX-2373ELF (54,832 pcs). Vishay CRCW0603237KFKEA (22,505 pcs) and Stackpole RMCF0603FT237K (48,568 pcs) are also well-stocked.