MCR03EZPFX7322 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX7322 is a 73.2 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, necessitating identification of equivalent alternatives from active manufacturers that maintain identical electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	73.2 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

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

Resistance value: 73.2 kOhms
Tolerance: ±1%
Power rating: 0.1W
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
RoHS3 compliance
MSL 1 rating

Substitute parts are categorized as follows:

Direct Equivalents (Automotive AEC-Q200 Rated): CRCW060373K2FKEA (Vishay Dale), ERJ-3EKF7322V (Panasonic Electronic Components), and RMCF0603FT73K2 (Stackpole Electronics Inc) maintain full electrical and mechanical compatibility with identical AEC-Q200 automotive certification.

Similar Equivalents (Moisture Resistant, Non-Automotive Rated): CR0603-FX-7322ELF (Bourns Inc.) and RC0603FR-0773K2L (YAGEO) provide electrical and mechanical equivalence with moisture-resistant features but lack AEC-Q200 automotive certification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
MCR03EZPFX7322	Rohm Semiconductor	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Discontinued	1067 Pcs
CRCW060373K2FKEA	Vishay Dale	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	43859 Pcs
ERJ-3EKF7322V	Panasonic Electronic Components	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	84877 Pcs
RMCF0603FT73K2	Stackpole Electronics Inc	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	74293 Pcs
CR0603-FX-7322ELF	Bourns Inc.	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	8630 Pcs
RC0603FR-0773K2L	YAGEO	73.2 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	339743 Pcs

Engineering Selection Recommendations

For applications requiring automotive-grade components with AEC-Q200 certification, select from the direct equivalent group: CRCW060373K2FKEA, ERJ-3EKF7322V, or RMCF0603FT73K2. All three maintain full compliance with automotive standards and are currently in active production with substantial inventory availability.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-7322ELF and RC0603FR-0773K2L provide electrical and mechanical equivalence with moisture-resistant characteristics. RC0603FR-0773K2L offers the highest inventory availability at 339,743 pieces.

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical electrical performance within the specified tolerance and temperature coefficient parameters.

Frequently Asked Questions (FAQ)

Q: Can I use a non-AEC-Q200 rated substitute in an automotive application? A: No. If your application requires automotive-grade components, use only CRCW060373K2FKEA, ERJ-3EKF7322V, or RMCF0603FT73K2, which carry AEC-Q200 certification. CR0603-FX-7322ELF and RC0603FR-0773K2L lack this certification and are not suitable for automotive designs.

Q: Are all substitute parts pin-compatible with the MCR03EZPFX7322? A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical two-terminal configuration and footprint compatibility.

Q: What is the difference between direct equivalents and similar equivalents? A: Direct equivalents (CRCW060373K2FKEA, ERJ-3EKF7322V, RMCF0603FT73K2) carry AEC-Q200 automotive certification matching the original part. Similar equivalents (CR0603-FX-7322ELF, RC0603FR-0773K2L) provide identical electrical and mechanical specifications but feature moisture-resistant characteristics instead of automotive certification.

Q: Do all substitutes have the same physical dimensions? A: Dimensions are functionally equivalent for PCB assembly. Minor variations exist: MCR03EZPFX7322, ERJ-3EKF7322V, CR0603-FX-7322ELF, and RC0603FR-0773K2L measure 0.063" L × 0.031" W with 0.022" max height. CRCW060373K2FKEA and RMCF0603FT73K2 measure 0.061" L × 0.031" W and 0.061" L × 0.031" W respectively, with 0.020" and 0.022" max heights. All fit standard 0603 footprints.

Q: Which substitute offers the best availability? A: RC0603FR-0773K2L (YAGEO) provides the highest inventory at 339,743 pieces. For automotive applications, ERJ-3EKF7322V (Panasonic) offers 84,877 pieces in stock.

Q: Are all substitutes RoHS3 compliant? A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

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