MCR03EZPFX1241 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1241 is a 1.24 kOhms ±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

MCR03EZPFX1241

Rohm SemiconductorIn Stock: 874MCR03EZPFX1241 Datasheet

Current PartRFQ

CRCW06031K24FKEA

Vishay DaleIn Stock: 28401CRCW06031K24FKEA Datasheet

DirectRFQ

ERJ-3EKF1241V

Panasonic Electronic ComponentsIn Stock: 117296ERJ-3EKF1241V Datasheet

DirectRFQ

RMCF0603FT1K24

Stackpole Electronics IncIn Stock: 133904RMCF0603FT1K24 Datasheet

DirectRFQ

CR0603-FX-1241ELF

Bourns Inc.In Stock: 49295CR0603-FX-1241ELF Datasheet

SimilarRFQ

RC0603FR-071K24L

YAGEOIn Stock: 38513RC0603FR-071K24L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX1241 is determined by strict equivalence across the following parameters: resistance value (1.24 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and termination count (2). All identified substitutes meet these core electrical and mechanical specifications. Substitutes are grouped into two categories: Direct equivalents maintain full AEC-Q200 automotive certification; similar alternatives provide equivalent electrical performance with moisture-resistant features but without explicit AEC-Q200 rating.

Parameter Comparison

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive certification, direct equivalents CRCW06031K24FKEA (Vishay Dale), ERJ-3EKF1241V (Panasonic Electronic Components), and RMCF0603FT1K24 (Stackpole Electronics Inc) are fully qualified substitutes. All three maintain identical electrical specifications, operating temperature range, and automotive compliance ratings. ERJ-3EKF1241V offers the highest inventory availability at 117263 pieces, followed by RMCF0603FT1K24 at 133871 pieces.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-1241ELF (Bourns Inc.) and RC0603FR-071K24L (YAGEO) provide equivalent electrical performance with moisture-resistant thick film construction. Both parts are in active production status with substantial inventory levels.

All substitute parts are ROHS3 compliant, carry MSL rating of 1 (Unlimited), and are REACH unaffected, matching the environmental and regulatory compliance profile of the original MCR03EZPFX1241.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-1241ELF or RC0603FR-071K24L as direct replacements in automotive applications?

A: CR0603-FX-1241ELF and RC0603FR-071K24L are electrically equivalent but lack explicit AEC-Q200 automotive certification. Use these only in non-automotive applications or where automotive certification is not a design requirement.

Q: Are all substitute parts available in the same packaging format?

A: All substitute parts are supplied in 0603 (1608 Metric) package with identical footprint dimensions and termination configuration. CRCW06031K24FKEA, ERJ-3EKF1241V, RMCF0603FT1K24, CR0603-FX-1241ELF, and RC0603FR-071K24L are all compatible with existing PCB layouts designed for MCR03EZPFX1241.

Q: What is the difference between AEC-Q200 rated and non-rated alternatives?

A: AEC-Q200 certification indicates the component meets automotive industry reliability and quality standards. CRCW06031K24FKEA, ERJ-3EKF1241V, and RMCF0603FT1K24 carry this certification. CR0603-FX-1241ELF and RC0603FR-071K24L feature moisture-resistant construction but are not AEC-Q200 qualified.

Q: Do all substitutes maintain the same temperature coefficient?

A: All listed substitutes maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the original MCR03EZPFX1241 specification.

Q: Which substitute offers the best availability?

A: RMCF0603FT1K24 (Stackpole Electronics Inc) provides the highest inventory at 133871 pieces, followed by ERJ-3EKF1241V (Panasonic Electronic Components) at 117263 pieces.