MCR03EZPFX2941 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2941 is a 2.94 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	2.94 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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX2941 is determined by strict equivalence across the following parameters:

Resistance value: 2.94 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
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

Substitute parts are classified into two categories:

Direct Substitutes maintain all electrical and mechanical parameters identical to the main part, including automotive AEC-Q200 rating where applicable.

Similar Substitutes meet all core electrical and mechanical requirements but may differ in specific features (such as moisture resistance designation) while maintaining functional equivalence within the specified parameter set.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
MCR03EZPFX2941	Rohm Semiconductor	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	886 Pcs
MCR03ERTF2941	Rohm Semiconductor	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued	758 Pcs
CRCW06032K94FKEA	Vishay Dale	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	42090 Pcs
ERJ-3EKF2941V	Panasonic Electronic Components	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	57944 Pcs
RMCF0603FG2K94	Stackpole Electronics Inc	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	11090 Pcs
RMCF0603FT2K94	Stackpole Electronics Inc	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	69073 Pcs
CR0603-FX-2941ELF	Bourns Inc.	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	53036 Pcs
RC0603FR-072K94L	YAGEO	2.94 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	339924 Pcs

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, direct substitutes with active product status are CRCW06032K94FKEA (Vishay Dale), ERJ-3EKF2941V (Panasonic Electronic Components), RMCF0603FG2K94, and RMCF0603FT2K94 (both Stackpole Electronics Inc). These parts maintain full automotive compliance and are currently in active production with substantial inventory availability.

For non-automotive applications or where AEC-Q200 certification is not required, CR0603-FX-2941ELF (Bourns Inc.) and RC0603FR-072K94L (YAGEO) provide functional equivalence with active product status and higher inventory levels. All substitute parts maintain ROHS3 compliance and MSL 1 rating identical to the original part.

MCR03ERTF2941 from Rohm Semiconductor is a direct electrical equivalent but shares discontinued status with the main part, limiting its suitability for long-term supply chain planning.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitutes interchangeably with MCR03EZPFX2941?

A: All listed substitutes meet the core electrical and mechanical parameters (2.94 kΩ ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C to 155°C). However, if your application requires AEC-Q200 automotive certification, use only CRCW06032K94FKEA, ERJ-3EKF2941V, RMCF0603FG2K94, or RMCF0603FT2K94.

Q: What is the difference between "Direct" and "Similar" substitutes?

A: Direct substitutes maintain all specified parameters including automotive AEC-Q200 rating. Similar substitutes meet all electrical and mechanical requirements but lack the AEC-Q200 automotive certification, making them suitable for non-automotive applications.

Q: Are there any physical dimension differences between substitutes?

A: All parts use the 0603 (1608 Metric) package. Minor variations exist in seated height (0.020" to 0.022") and length/width dimensions (1.55mm to 1.60mm L, 0.80mm to 0.85mm W), which are within standard PCB design tolerances for 0603 components.

Q: Which substitute has the best inventory availability?

A: RC0603FR-072K94L (YAGEO) has the highest inventory at 339,924 pieces. For automotive-qualified parts, RMCF0603FT2K94 (Stackpole Electronics Inc) offers 69,073 pieces in stock.

Q: Do all substitutes have the same RoHS and moisture sensitivity ratings?

A: Yes. All substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the original MCR03EZPFX2941 specification.

Q: Can I mix different substitute manufacturers in the same production batch?

A: All substitutes meet identical electrical specifications and package requirements. Mixing manufacturers is permissible from a functional standpoint, though design documentation should reflect the specific part number used in each assembly.

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