MCR03EZPFX30R1 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX30R1 is a 30.1 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	30.1 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX30R1 is determined by strict equivalence across the following parameters:

Resistance value: 30.1 Ohms
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
RoHS3 compliance
MSL rating: 1 (Unlimited)

Substitute parts are categorized as follows:

Direct Substitutes (Automotive AEC-Q200 Rated): MCR03ERTF30R1, CRCW060330R1FKEA, ERJ-3EKF30R1V, and RMCF0603FT30R1 meet all electrical and mechanical specifications with automotive qualification.

Similar Substitutes (Non-Automotive Features): CR0603-FX-30R1ELF and RC0603FR-0730R1L meet all core electrical and mechanical specifications but feature moisture-resistant properties instead of automotive AEC-Q200 certification.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status
MCR03EZPFX30R1	Rohm Semiconductor	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued
MCR03ERTF30R1	Rohm Semiconductor	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued
CRCW060330R1FKEA	Vishay Dale	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
ERJ-3EKF30R1V	Panasonic Electronic Components	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
RMCF0603FT30R1	Stackpole Electronics Inc	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
CR0603-FX-30R1ELF	Bourns Inc.	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active
RC0603FR-0730R1L	YAGEO	30.1 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 compliance, select from active parts: CRCW060330R1FKEA (Vishay Dale), ERJ-3EKF30R1V (Panasonic Electronic Components), or RMCF0603FT30R1 (Stackpole Electronics Inc). All three maintain full electrical and mechanical equivalence with automotive qualification and current product availability.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-30R1ELF (Bourns Inc.) and RC0603FR-0730R1L (YAGEO) are active alternatives with equivalent electrical specifications and moisture-resistant properties.

MCR03ERTF30R1 (Rohm Semiconductor) is electrically equivalent but discontinued, making it unsuitable for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTF30R1 replace MCR03EZPFX30R1? A: MCR03ERTF30R1 is electrically and mechanically equivalent but lacks automotive AEC-Q200 certification present in the original part. Both are discontinued at DiGi Electronics. For automotive applications, use CRCW060330R1FKEA, ERJ-3EKF30R1V, or RMCF0603FT30R1 instead.

Q: Are all substitute parts pin-compatible? A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical two-termination configuration and footprint dimensions within specified tolerances.

Q: What is the difference between direct and similar substitutes? A: Direct substitutes (MCR03ERTF30R1, CRCW060330R1FKEA, ERJ-3EKF30R1V, RMCF0603FT30R1) match all electrical and mechanical parameters. Similar substitutes (CR0603-FX-30R1ELF, RC0603FR-0730R1L) meet core specifications but feature moisture-resistant properties instead of automotive AEC-Q200 certification.

Q: Which substitute has the best availability? A: RC0603FR-0730R1L (YAGEO) has the highest inventory at 338,146 pieces. RMCF0603FT30R1 (Stackpole Electronics Inc) has 155,074 pieces with AEC-Q200 certification.

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

Q: Can I use non-automotive rated parts in automotive designs? A: This depends on application requirements and design specifications. Automotive applications typically require AEC-Q200 certification. Consult design documentation and quality standards before substituting non-automotive parts.

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