MCR03EZPFX1542 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1542 is a 15.4 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	15.4 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX1542 is determined by strict equivalence across the following parameters:

Resistance value: 15.4 kOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package type: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Compliance: ROHS3, REACH Unaffected, EAR99

Substitute parts are classified into two categories:

Direct Substitutes maintain full AEC-Q200 automotive qualification and identical electrical specifications. These parts are interchangeable without design modification.

Similar Substitutes meet all electrical and mechanical parameters but do not carry AEC-Q200 automotive certification. These parts are suitable for applications where automotive qualification is not required.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
MCR03EZPFX1542	Rohm Semiconductor	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	776 Pcs
CRCW060315K4FKEA	Vishay Dale	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	39040 Pcs
CRCW060315K4FKEB	Vishay Dale	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	20766 Pcs
ERJ-3EKF1542V	Panasonic Electronic Components	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	119021 Pcs
RMCF0603FT15K4	Stackpole Electronics Inc	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	45369 Pcs
CR0603-FX-1542ELF	Bourns Inc.	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	2208 Pcs
RC0603FR-0715K4L	YAGEO	15.4 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	412341 Pcs

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

Select from direct substitutes: CRCW060315K4FKEA, ERJ-3EKF1542V, or RMCF0603FT15K4. All three maintain full AEC-Q200 compliance and are currently in active production status. CRCW060315K4FKEA and RMCF0603FT15K4 offer high inventory availability. ERJ-3EKF1542V provides the largest inventory stock at 119021 pieces.

For Non-Automotive Applications:

CR0603-FX-1542ELF and RC0603FR-0715K4L are suitable alternatives when AEC-Q200 certification is not required. RC0603FR-0715K4L offers exceptional inventory availability at 412341 pieces. Both parts maintain identical electrical specifications and 0603 package compatibility.

Packaging Considerations:

CRCW060315K4FKEA is supplied in Cut Tape (CT) & Digi-Reel format. CRCW060315K4FKEB, RMCF0603FT15K4, CR0603-FX-1542ELF, and RC0603FR-0715K4L are supplied in Tape & Reel (TR) format. ERJ-3EKF1542V is supplied in Cut Tape (CT) & Digi-Reel format. Select based on assembly process requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a non-AEC-Q200 part as a substitute for the MCR03EZPFX1542 in automotive applications?

A: No. The MCR03EZPFX1542 carries AEC-Q200 automotive qualification. For automotive applications, only direct substitutes with AEC-Q200 certification (CRCW060315K4FKEA, ERJ-3EKF1542V, RMCF0603FT15K4) are appropriate. Non-automotive rated parts do not meet automotive reliability and qualification standards.

Q: What is the difference between the two Vishay Dale parts (CRCW060315K4FKEA and CRCW060315K4FKEB)?

A: Both parts are electrically identical with 15.4 kOhms ±1% resistance and 0.1W power rating. The primary difference is packaging format: CRCW060315K4FKEA uses Cut Tape (CT) & Digi-Reel format, while CRCW060315K4FKEB uses Tape & Reel (TR) format. CRCW060315K4FKEA is currently active in production; CRCW060315K4FKEB is discontinued at DiGi Electronics.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 0603 package specification. The MCR03EZPFX1542 measures 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. CRCW060315K4FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" (0.50mm) maximum seated height. RMCF0603FT15K4 and RC0603FR-0715K4L match the original dimensions exactly. These variations remain within 0603 package tolerance and do not affect PCB layout or assembly compatibility.

Q: Which substitute offers the best inventory availability?

A: RC0603FR-0715K4L (YAGEO) provides the highest inventory at 412341 pieces. For AEC-Q200 qualified parts, ERJ-3EKF1542V (Panasonic) offers the largest stock at 119021 pieces.

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

A: Yes. All listed substitutes maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating temperature range, matching the MCR03EZPFX1542 specification.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99. Moisture Sensitivity Level is 1 (Unlimited) for all parts.

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