MCR03EZPFX2152 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2152 is a 21.5 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, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Resistance	21.5 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX2152 is determined by strict equivalence across the following parameters:

Resistance value: 21.5 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 to 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

All substitute parts listed meet these electrical and mechanical specifications. Parts are categorized as Direct Manufacturer equivalents (identical specifications from different manufacturers) or Similar equivalents (meeting all core parameters with minor feature variations such as moisture resistance designation).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	Features	Product Status
MCR03EZPFX2152	Rohm Semiconductor	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Discontinued
MCR03ERTF2152	Rohm Semiconductor	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	—	Discontinued
CRCW060321K5FKEA	Vishay Dale	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active
ERJ-3EKF2152V	Panasonic Electronic Components	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active
RMCF0603FT21K5	Stackpole Electronics Inc	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active
CR0603-FX-2152ELF	Bourns Inc.	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
RC0603FR-0721K5L	YAGEO	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active
RC1608F2152CS	Samsung Electro-Mechanics	21.5 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active

Engineering Selection Recommendations

For applications requiring automotive qualification, select from parts with active product status and AEC-Q200 certification: CRCW060321K5FKEA (Vishay Dale), ERJ-3EKF2152V (Panasonic Electronic Components), or RMCF0603FT21K5 (Stackpole Electronics Inc). These parts maintain full automotive compliance and have confirmed inventory availability.

For general industrial applications where automotive certification is not required, active-status alternatives with moisture-resistant features provide extended operational reliability: CR0603-FX-2152ELF (Bourns Inc.), RC0603FR-0721K5L (YAGEO), or RC1608F2152CS (Samsung Electro-Mechanics). YAGEO RC0603FR-0721K5L offers the highest inventory availability among all substitutes.

MCR03ERTF2152 from Rohm Semiconductor is a direct manufacturer equivalent but shares discontinued status with the original part and should not be considered for new designs requiring long-term supply assurance.

Frequently Asked Questions (FAQ)

Q: Can MCR03EZPFX2152 be replaced with any of the listed substitutes in existing designs?

A: Yes. All listed parts meet the core electrical specifications (21.5 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and RoHS3 compliance. Physical dimensions and termination count are identical across all substitutes.

Q: What is the difference between Direct Manufacturer equivalents and Similar equivalents?

A: Direct Manufacturer equivalents (MCR03ERTF2152, CRCW060321K5FKEA, ERJ-3EKF2152V, RMCF0603FT21K5) meet all specifications including automotive AEC-Q200 certification where applicable. Similar equivalents (CR0603-FX-2152ELF, RC0603FR-0721K5L, RC1608F2152CS) meet all core electrical and mechanical parameters but feature moisture-resistant designation instead of automotive certification.

Q: Are there packaging differences between substitutes?

A: All substitutes use 0603 (1608 Metric) package with identical footprint dimensions (0.063" L x 0.031" W, 1.60mm x 0.80mm). Packaging format (Cut Tape, Tape & Reel, Digi-Reel) varies by manufacturer and supplier but does not affect component performance or PCB compatibility.

Q: Which substitute offers the best long-term availability?

A: RC0603FR-0721K5L from YAGEO has the highest reported inventory (1,695,486 units) and active product status, providing supply continuity for high-volume production requirements.

Q: Can substitutes be mixed in the same production batch?

A: Yes. All substitutes are electrically and mechanically equivalent. However, maintaining single-source components per design revision is recommended for traceability and quality control documentation.

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