MCR03EZPFX3241 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3241 is a 3.24 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	3.24 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 MCR03EZPFX3241 is determined by strict equivalence across the following parameters:

Resistance value: 3.24 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

Parts are categorized as Direct equivalents when all parameters match identically. Parts are categorized as Similar when all critical electrical and thermal parameters match but feature variations exist (such as moisture resistance designation instead of automotive AEC-Q200 rating).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Product Status	Inventory
MCR03EZPFX3241	Rohm Semiconductor	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Discontinued	997 Pcs
CRCW06033K24FKEA	Vishay Dale	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	160451 Pcs
ERJ-3EKF3241V	Panasonic Electronic Components	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	57492 Pcs
RMCF0603FG3K24	Stackpole Electronics Inc	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	10783 Pcs
RMCF0603FT3K24	Stackpole Electronics Inc	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	485045 Pcs
CR0603-FX-3241ELF	Bourns Inc.	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	18391 Pcs
RC0603FR-073K24L	YAGEO	3.24 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	67414 Pcs

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 compliance, select from the direct equivalents: CRCW06033K24FKEA (Vishay Dale), ERJ-3EKF3241V (Panasonic), RMCF0603FG3K24, or RMCF0603FT3K24 (Stackpole Electronics). All four parts maintain identical electrical specifications, thermal characteristics, and automotive certification as the original MCR03EZPFX3241.

RMCF0603FT3K24 offers the highest inventory availability at 485045 pieces. CRCW06033K24FKEA provides the second-highest availability at 160451 pieces and is supplied in Cut Tape and Digi-Reel packaging options.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-3241ELF (Bourns) and RC0603FR-073K24L (YAGEO) are functionally equivalent with moisture-resistant thick film composition. These parts maintain all critical electrical and thermal parameters while offering alternative sourcing options.

All substitute parts are ROHS3 compliant, MSL 1 rated, and maintain the same 0603 package footprint for direct PCB compatibility.

Frequently Asked Questions (FAQ)

Q: Can I use RMCF0603FT3K24 as a direct replacement for MCR03EZPFX3241?

A: Yes. Both parts share identical resistance (3.24 kOhms), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and automotive AEC-Q200 certification. They are electrically and mechanically interchangeable.

Q: What is the difference between direct equivalents and similar parts?

A: Direct equivalents (CRCW06033K24FKEA, ERJ-3EKF3241V, RMCF0603FG3K24, RMCF0603FT3K24) carry automotive AEC-Q200 rating identical to the original part. Similar parts (CR0603-FX-3241ELF, RC0603FR-073K24L) are rated for moisture resistance instead of automotive certification but maintain all electrical and thermal specifications. Selection depends on application requirements.

Q: Are all substitute parts available in the same packaging format?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) formats. CRCW06033K24FKEA is available in both Cut Tape and Digi-Reel options. Verify packaging requirements with your procurement process before selection.

Q: Will these substitutes work in automotive applications?

A: Direct equivalents (CRCW06033K24FKEA, ERJ-3EKF3241V, RMCF0603FG3K24, RMCF0603FT3K24) are AEC-Q200 certified and suitable for automotive use. Similar parts (CR0603-FX-3241ELF, RC0603FR-073K24L) are not automotive-rated and should be used only in non-automotive applications unless application-specific qualification is performed.

Q: Is the 0603 package footprint identical across all substitutes?

A: Yes. All parts use the 0603 (1608 Metric) package with identical termination count (2). Physical dimensions vary slightly within tolerance (length 1.55mm to 1.60mm, width 0.80mm to 0.85mm, height 0.50mm to 0.55mm), but all are compatible with standard 0603 PCB footprints.

Q: What is the MSL rating and why does it matter?

A: All parts are rated MSL 1 (Unlimited), meaning they have unlimited shelf life and require no special moisture control during storage or handling. This simplifies supply chain management and reduces component preparation requirements.

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