MCR03EZPFX2151 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2151 is a 2.15 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	2.15 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 MCR03EZPFX2151 is determined by strict equivalence across the following parameters:

Resistance value: 2.15 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 all electrical and mechanical parameters identical to the main part, including automotive AEC-Q200 certification where applicable.

Similar Substitutes meet all core electrical and mechanical requirements but may differ in specific features (such as moisture resistance designation) or certifications while maintaining functional equivalence.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Status	Inventory
MCR03EZPFX2151	Rohm Semiconductor	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	1136 Pcs
MCR03ERTF2151	Rohm Semiconductor	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued	1123 Pcs
CRCW06032K15FKEA	Vishay Dale	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	5300 Pcs
ERJ-3EKF2151V	Panasonic Electronic Components	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	249000 Pcs
RMCF0603FT2K15	Stackpole Electronics Inc	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	53077 Pcs
CR0603-FX-2151ELF	Bourns Inc.	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	25937 Pcs
RC0603FR-072K15L	YAGEO	2.15 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	541198 Pcs

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive certification, select from the following active parts:

ERJ-3EKF2151V (Panasonic): Highest inventory availability (249,000 pcs) with active product status and full AEC-Q200 compliance. Recommended for high-volume production.
RMCF0603FT2K15 (Stackpole Electronics): Active status with substantial inventory (53,077 pcs) and AEC-Q200 certification. Suitable for standard automotive applications.
CRCW06032K15FKEA (Vishay Dale): Active status with AEC-Q200 compliance and 5,300 pcs available. Appropriate for applications with moderate volume requirements.

For applications where AEC-Q200 certification is not mandatory, active alternatives include CR0603-FX-2151ELF (Bourns) and RC0603FR-072K15L (YAGEO), both offering high inventory levels and moisture-resistant thick film construction.

The discontinued MCR03ERTF2151 from Rohm Semiconductor remains available in limited stock (1,123 pcs) but lacks AEC-Q200 certification and should not be selected for new designs.

Frequently Asked Questions (FAQ)

Q: Can MCR03EZPFX2151 be directly replaced with MCR03ERTF2151?

A: Both parts are manufactured by Rohm Semiconductor with identical electrical specifications (2.15 kΩ, ±1%, 0.1W, 0603 package). However, MCR03ERTF2151 does not carry AEC-Q200 certification. Direct substitution is possible only if automotive qualification is not required for your application.

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

A: Direct substitutes maintain all electrical and mechanical parameters plus AEC-Q200 automotive certification. Similar substitutes meet all core electrical and mechanical requirements but may lack AEC-Q200 certification or feature different designations (such as moisture resistance) while remaining functionally equivalent.

Q: Are all substitute parts compatible with the 0603 package footprint?

A: Yes. All listed substitutes use the 0603 (1608 Metric) package. Physical dimensions vary slightly (length 1.55mm to 1.60mm, width 0.80mm to 0.85mm, height 0.50mm to 0.55mm), but these variations remain within standard PCB footprint tolerances for 0603 components.

Q: Which substitute offers the best availability?

A: RC0603FR-072K15L (YAGEO) provides the highest inventory at 541,198 pcs. For AEC-Q200 certified alternatives, ERJ-3EKF2151V (Panasonic) offers the largest stock at 249,000 pcs.

Q: Is RoHS3 compliance maintained across all substitutes?

A: Yes. All listed parts, including the main part MCR03EZPFX2151, are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Q: Can I use CR0603-FX-2151ELF or RC0603FR-072K15L in automotive applications?

A: These parts lack AEC-Q200 certification. Use only if your application does not require automotive qualification. For automotive designs, select from CRCW06032K15FKEA, ERJ-3EKF2151V, or RMCF0603FT2K15.

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