MCR03EZPFX2401 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2401 is a 2.4 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 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	2.4 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 ~ 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX2401 is determined by strict equivalence across the following parameters:

Resistance value: 2.4 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: MSL 1

Substitute parts are classified into two categories:

Direct Substitutes maintain full AEC-Q200 automotive qualification and identical electrical specifications.

Similar Substitutes meet all electrical and mechanical parameters but feature alternative certifications (moisture resistant instead of AEC-Q200) or minor dimensional variations within acceptable tolerances.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Status
MCR03EZPFX2401	Rohm Semiconductor	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued
CRCW06032K40FKEA	Vishay Dale	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
CRCW06032K40FKEB	Vishay Dale	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued
ERJ-3EKF2401V	Panasonic Electronic Components	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
RMCF0603FT2K40	Stackpole Electronics Inc	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
CR0603-FX-2401ELF	Bourns Inc.	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active
RC0603FR-072K4L	YAGEO	2.4 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, select from the direct substitute group:

ERJ-3EKF2401V (Panasonic): Active status with highest inventory availability (106,797 pcs). Recommended for new designs and high-volume production.
RMCF0603FT2K40 (Stackpole Electronics): Active status with substantial inventory (156,517 pcs). Suitable for automotive applications requiring AEC-Q200 compliance.
CRCW06032K40FKEA (Vishay Dale): Active status with good availability (28,457 pcs). Established automotive supplier with proven reliability.

For non-automotive applications or where AEC-Q200 is not mandated, similar substitutes provide cost-effective alternatives:

CR0603-FX-2401ELF (Bourns): Active status with high inventory (145,149 pcs). Moisture-resistant construction suitable for general industrial use.
RC0603FR-072K4L (YAGEO): Active status with largest inventory availability (598,338 pcs). Cost-effective option for high-volume non-automotive applications.

All candidates maintain identical electrical performance, RoHS3 compliance, and MSL 1 rating.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-2401ELF or RC0603FR-072K4L as direct replacements for MCR03EZPFX2401 in automotive applications?

A: No. CR0603-FX-2401ELF and RC0603FR-072K4L lack AEC-Q200 automotive qualification. Use only ERJ-3EKF2401V, RMCF0603FT2K40, or CRCW06032K40FKEA for automotive applications requiring AEC-Q200 compliance.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within acceptable tolerances. All parts conform to 0603 (1608 Metric) package specifications. Length ranges from 0.061" to 0.063" (1.55mm to 1.60mm), width from 0.031" to 0.033" (0.80mm to 0.85mm), and height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations do not affect PCB layout or assembly compatibility.

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

A: Direct substitutes (ERJ-3EKF2401V, RMCF0603FT2K40, CRCW06032K40FKEA) carry AEC-Q200 automotive certification matching the original part. Similar substitutes (CR0603-FX-2401ELF, RC0603FR-072K4L) meet all electrical specifications but feature moisture-resistant construction instead of automotive qualification.

Q: Which substitute has the best availability?

A: RC0603FR-072K4L (YAGEO) offers the highest inventory at 598,338 pcs. For AEC-Q200 qualified parts, RMCF0603FT2K40 (Stackpole) provides the largest stock at 156,517 pcs.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, matching the original MCR03EZPFX2401 specifications.

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