MCR03EZPFX2742 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2742 is a 27.4 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 operating temperature range of -55°C to 155°C. The part is currently discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for seamless circuit board integration.

Key Parameters

Parameter	Specification
Resistance Value	27.4 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	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MCR03EZPFX2742 are qualified based on strict electrical and mechanical parameter matching:

Direct Substitutes (Automotive AEC-Q200 Rated):

CRCW060327K4FKEA (Vishay Dale)
ERJ-3EKF2742V (Panasonic Electronic Components)
RMCF0603FT27K4 (Stackpole Electronics Inc)

These parts maintain identical specifications across all critical parameters: 27.4 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and AEC-Q200 automotive qualification.

Similar Substitutes (Moisture Resistant, Non-Automotive Rated):

CR0603-FX-2742ELF (Bourns Inc.)
RC0603FR-0727K4L (YAGEO)
RC1608F2742CS (Samsung Electro-Mechanics)

These parts match all electrical parameters and package specifications but feature moisture-resistant composition instead of automotive AEC-Q200 rating. Physical dimensions vary slightly within acceptable tolerances for 0603 package footprints.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	Status	Inventory
MCR03EZPFX2742	Rohm Semiconductor	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	858 Pcs
CRCW060327K4FKEA	Vishay Dale	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	49239 Pcs
ERJ-3EKF2742V	Panasonic Electronic Components	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	145175 Pcs
RMCF0603FT27K4	Stackpole Electronics Inc	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	1110458 Pcs
CR0603-FX-2742ELF	Bourns Inc.	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	57840 Pcs
RC0603FR-0727K4L	YAGEO	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	10200 Pcs
RC1608F2742CS	Samsung Electro-Mechanics	27.4 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	895 Pcs

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 compliance, select from the direct substitute group: CRCW060327K4FKEA, ERJ-3EKF2742V, or RMCF0603FT27K4. All three maintain full specification equivalence with the original MCR03EZPFX2742 and carry active product status with established supply availability.

RMCF0603FT27K4 (Stackpole Electronics Inc) offers the highest inventory level at 1,110,458 pieces, ensuring supply chain continuity. ERJ-3EKF2742V (Panasonic Electronic Components) provides 145,175 pieces with established automotive qualification. CRCW060327K4FKEA (Vishay Dale) supplies 49,239 pieces and maintains equivalent specifications.

For non-automotive applications where AEC-Q200 rating is not required, the similar substitute group provides cost-effective alternatives with identical electrical performance. All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original component's environmental qualification.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-2742ELF or RC0603FR-0727K4L as direct replacements for MCR03EZPFX2742 in automotive circuits?

A: These parts match all electrical specifications (27.4 kΩ, ±1%, 0.1W, ±100ppm/°C) and package requirements (0603), but lack AEC-Q200 automotive qualification. Use only in non-automotive applications or where automotive rating is not contractually required.

Q: Are all substitute parts compatible with the same PCB footprint?

A: Yes. All listed substitutes use the 0603 (1608 Metric) package with identical land pattern requirements. Physical dimensions vary within standard 0603 tolerances (length 0.061–0.063", width 0.031–0.033", height 0.020–0.022"), ensuring compatibility with standard 0603 footprints.

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

A: Direct substitutes (CRCW060327K4FKEA, ERJ-3EKF2742V, RMCF0603FT27K4) carry AEC-Q200 automotive qualification matching the original part. Similar substitutes (CR0603-FX-2742ELF, RC0603FR-0727K4L, RC1608F2742CS) feature moisture-resistant composition without automotive rating, suitable for general industrial applications.

Q: Do all substitutes maintain the same temperature coefficient and operating range?

A: Yes. All substitute parts specify ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, identical to MCR03EZPFX2742.

Q: Which substitute offers the best supply availability?

A: RMCF0603FT27K4 (Stackpole Electronics Inc) provides the highest inventory at 1,110,458 pieces, followed by ERJ-3EKF2742V (Panasonic) at 145,175 pieces and CRCW060327K4FKEA (Vishay Dale) at 49,239 pieces.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the environmental qualification of MCR03EZPFX2742.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message