MCR03EZPFX4641 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4641 is a 4.64 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.

Key Parameters

Parameter	Value
Resistance	4.64 kOhms
Tolerance	±1%
Power Rating	0.1W (1/10W)
Package / Case	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX4641 is determined by strict equivalence across the following parameters:

Resistance value: 4.64 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 to 155°C
Terminations: 2
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1

Parts are grouped into two categories based on certification status:

Direct Substitutes (AEC-Q200 Rated): CRCW06034K64FKEA (Vishay Dale), ERJ-3EKF4641V (Panasonic Electronic Components), and RMCF0603FT4K64 (Stackpole Electronics Inc) maintain full automotive AEC-Q200 certification, matching the original part's automotive qualification.

Similar Substitutes (Moisture Resistant): CR0603-FX-4641ELF (Bourns Inc.) and RC0603FR-074K64L (YAGEO) meet all electrical and mechanical parameters but feature moisture-resistant construction instead of automotive AEC-Q200 certification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	Features	Status	Inventory
MCR03EZPFX4641	Rohm Semiconductor	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Discontinued	793 Pcs
CRCW06034K64FKEA	Vishay Dale	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	75322 Pcs
ERJ-3EKF4641V	Panasonic Electronic Components	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	1036 Pcs
RMCF0603FT4K64	Stackpole Electronics Inc	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	218536 Pcs
CR0603-FX-4641ELF	Bourns Inc.	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Moisture Resistant	Active	94320 Pcs
RC0603FR-074K64L	YAGEO	4.64 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Moisture Resistant	Active	352945 Pcs

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 certification, select from the direct substitutes: CRCW06034K64FKEA, ERJ-3EKF4641V, or RMCF0603FT4K64. All three maintain full compliance with automotive qualification standards equivalent to the original MCR03EZPFX4641.

RMCF0603FT4K64 (Stackpole Electronics Inc) offers the highest inventory availability at 218536 pieces, supporting high-volume production requirements. CRCW06034K64FKEA (Vishay Dale) provides 75322 pieces with active product status. ERJ-3EKF4641V (Panasonic Electronic Components) maintains active status with 1036 pieces available.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-4641ELF (Bourns Inc.) and RC0603FR-074K64L (YAGEO) are functionally equivalent with moisture-resistant construction. RC0603FR-074K64L offers the largest inventory at 352945 pieces.

All substitute parts are ROHS3 compliant with MSL 1 rating, matching the original part's environmental specifications.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-4641ELF or RC0603FR-074K64L as direct replacements for MCR03EZPFX4641 in automotive applications?

A: No. CR0603-FX-4641ELF and RC0603FR-074K64L are moisture-resistant thick film resistors without AEC-Q200 automotive certification. Use these only in non-automotive applications. For automotive use, select CRCW06034K64FKEA, ERJ-3EKF4641V, or RMCF0603FT4K64.

Q: Are all substitute parts available in the same 0603 package?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination count (2). Physical dimensions vary slightly within tolerance: length ranges from 0.061" to 0.063" and height from 0.020" to 0.022". These variations are within standard PCB design tolerances.

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

A: Direct substitutes (CRCW06034K64FKEA, ERJ-3EKF4641V, RMCF0603FT4K64) carry AEC-Q200 automotive certification matching the original part. Similar substitutes (CR0603-FX-4641ELF, RC0603FR-074K64L) meet all electrical and mechanical specifications but use moisture-resistant construction without automotive qualification.

Q: Do all parts share the same temperature coefficient and operating range?

A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, ensuring thermal performance equivalence.

Q: Which substitute offers the best inventory availability?

A: RMCF0603FT4K64 (Stackpole Electronics Inc) provides 218536 pieces in stock. For non-automotive applications, RC0603FR-074K64L (YAGEO) offers 352945 pieces.

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