MCR03EZPFX61R9 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX61R9 is a 61.9 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.

Key Parameters

Parameter	Value
Resistance	61.9 Ohms
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 ~ 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX61R9 is determined by strict equivalence across the following critical parameters:

Resistance value: 61.9 Ohms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)

Substitute parts are categorized as either Direct equivalents (matching all parameters including automotive AEC-Q200 certification) or Similar alternatives (matching core electrical and mechanical parameters with alternative feature sets).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Operating Temp	AEC-Q200	Product Status
MCR03EZPFX61R9	Rohm Semiconductor	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued
CRCW060361R9FKEA	Vishay Dale	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Yes	Active
ERJ-3EKF61R9V	Panasonic Electronic Components	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Yes	Active
RMCF0603FT61R9	Stackpole Electronics Inc	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Yes	Active
CR0603-FX-61R9ELF	Bourns Inc.	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	No	Active
RC0603FR-0761R9L	YAGEO	61.9 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	No	Active

Engineering Selection Recommendations

For applications requiring strict automotive AEC-Q200 compliance, direct equivalents CRCW060361R9FKEA (Vishay Dale), ERJ-3EKF61R9V (Panasonic Electronic Components), and RMCF0603FT61R9 (Stackpole Electronics Inc) are the appropriate selections. All three maintain active product status with full inventory availability and identical electrical and mechanical specifications to the original MCR03EZPFX61R9.

For non-automotive applications or where AEC-Q200 certification is not mandated, CR0603-FX-61R9ELF (Bourns Inc.) and RC0603FR-0761R9L (YAGEO) provide functionally equivalent alternatives with moisture-resistant thick film composition. Both parts are actively manufactured with substantial inventory levels.

All substitute options are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, matching the original part's environmental compliance profile.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-61R9ELF or RC0603FR-0761R9L as direct replacements for MCR03EZPFX61R9 in automotive applications?

A: CR0603-FX-61R9ELF and RC0603FR-0761R9L are not AEC-Q200 rated. If your application requires automotive qualification, use CRCW060361R9FKEA, ERJ-3EKF61R9V, or RMCF0603FT61R9 instead.

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

A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical termination count (2) and compatible footprint dimensions for PCB assembly.

Q: What is the difference between Direct and Similar substitute classifications?

A: Direct substitutes (CRCW060361R9FKEA, ERJ-3EKF61R9V, RMCF0603FT61R9) match all parameters including AEC-Q200 automotive certification. Similar substitutes (CR0603-FX-61R9ELF, RC0603FR-0761R9L) match core electrical and mechanical specifications but lack automotive qualification and feature moisture-resistant composition instead.

Q: Do all substitutes have 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, matching the original MCR03EZPFX61R9 specification.

Q: Which substitute has the highest inventory availability?

A: RC0603FR-0761R9L (YAGEO) has 158,240 pieces in stock, followed by CRCW060361R9FKEA (Vishay Dale) with 35,908 pieces.

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