MCR03EZPFX44R2 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX44R2 is a 44.2 Ohms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is rated for automotive applications under AEC-Q200 standard with an operating temperature range of -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

MCR03EZPFX44R2

Rohm SemiconductorIn Stock: 975MCR03EZPFX44R2 Datasheet

Current PartRFQ

MCR03ERTF44R2

Rohm SemiconductorIn Stock: 6941MCR03ERTF44R2 Datasheet

DirectRFQ

CRCW060344R2FKEA

Vishay DaleIn Stock: 10356CRCW060344R2FKEA Datasheet

DirectRFQ

ERJ-3EKF44R2V

Panasonic Electronic ComponentsIn Stock: 61630ERJ-3EKF44R2V Datasheet

DirectRFQ

RMCF0603FT44R2

Stackpole Electronics IncIn Stock: 21039RMCF0603FT44R2 Datasheet

DirectRFQ

RC0603FR-0744R2L

YAGEOIn Stock: 96399RC0603FR-0744R2L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX44R2 is determined by strict equivalence across the following critical parameters:

• Resistance value: 44.2 Ohms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• RoHS compliance: ROHS3 Compliant
• Moisture sensitivity: MSL 1

All substitute parts listed meet these electrical and mechanical specifications. Automotive AEC-Q200 certification is present on the primary part and most direct substitutes, providing additional qualification for safety-critical applications. One substitute (RC0603FR-0744R2L) lacks AEC-Q200 certification but maintains moisture-resistant thick film construction and full electrical equivalence.

Parameter Comparison

Engineering Selection Recommendations

For automotive and safety-critical applications, CRCW060344R2FKEA (Vishay Dale), ERJ-3EKF44R2V (Panasonic), and RMCF0603FT44R2 (Stackpole) are preferred substitutes. All three maintain active product status, AEC-Q200 automotive qualification, and ROHS3 compliance identical to the original MCR03EZPFX44R2.

MCR03ERTF44R2 (Rohm Semiconductor) provides direct manufacturer continuity but is also discontinued and lacks AEC-Q200 certification despite matching all electrical parameters.

RC0603FR-0744R2L (YAGEO) is suitable for non-automotive applications or where AEC-Q200 certification is not required. This part maintains active status and moisture-resistant thick film construction with full electrical equivalence.

All listed substitutes are physically compatible with 0603 package footprints and maintain identical electrical performance within specified tolerances.

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTF44R2 replace MCR03EZPFX44R2 in automotive applications?

A: MCR03ERTF44R2 matches all electrical and mechanical specifications but lacks AEC-Q200 automotive certification present on the original part. Use only in non-automotive applications or where automotive qualification is not required.

Q: What is the difference between direct and similar substitutes?

A: Direct substitutes (MCR03ERTF44R2, CRCW060344R2FKEA, ERJ-3EKF44R2V, RMCF0603FT44R2) maintain identical electrical parameters and package specifications. RC0603FR-0744R2L is classified as similar because it lacks AEC-Q200 certification, though all other electrical and mechanical parameters remain equivalent.

Q: Are all substitutes physically interchangeable on PCB layouts?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical footprint dimensions. Dimensional variations (length and height) are within standard PCB assembly tolerances and do not affect placement or soldering.

Q: Which substitute has the best availability?

A: RC0603FR-0744R2L (YAGEO) shows the highest inventory at 96,297 pieces. For automotive-qualified alternatives, ERJ-3EKF44R2V (Panasonic) has 61,522 pieces in stock.

Q: Can I use RC0603FR-0744R2L in place of MCR03EZPFX44R2 for automotive designs?

A: RC0603FR-0744R2L lacks AEC-Q200 certification. Use only if your application does not require automotive qualification or if design specifications explicitly permit non-AEC-Q200 components.

Q: Do all substitutes have the same moisture sensitivity rating?

A: Yes. All listed parts maintain MSL 1 (Unlimited) moisture sensitivity level, indicating no special moisture handling requirements during storage or assembly.