MCR03EZPFX4640 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4640 is a 464 Ohms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component meets AEC-Q200 qualification standards and operates across -55°C to 155°C. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Resistance	464 Ohms
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
Moisture Sensitivity Level	MSL 1 (Unlimited)
RoHS Status	ROHS3 Compliant

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX4640 is determined by strict equivalence across the following parameters: resistance value (464 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and regulatory compliance (ROHS3, REACH Unaffected, EAR99).

Substitute parts are categorized as follows:

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 feature moisture-resistant construction instead of automotive AEC-Q200 certification. These are suitable for applications where automotive qualification is not mandatory.

All identified substitutes share identical package dimensions, termination count (2), and MSL rating (1), ensuring mechanical and thermal compatibility.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op Temp Range	AEC-Q200	Product Status	Packaging Type
MCR03EZPFX4640	Rohm Semiconductor	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Discontinued	Digi-Reel
MCR03ERTF4640	Rohm Semiconductor	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Discontinued	Cut Tape / Digi-Reel
CRCW0603464RFKEA	Vishay Dale	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Tape & Reel
ERJ-3EKF4640V	Panasonic Electronic Components	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Tape & Reel
RMCF0603FG464R	Stackpole Electronics Inc	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Cut Tape
RMCF0603FT464R	Stackpole Electronics Inc	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Tape & Reel
CR0603-FX-4640ELF	Bourns Inc.	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	Tape & Reel
RC0603FR-07464RL	YAGEO	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	Tape & Reel
RC1608F4640CS	Samsung Electro-Mechanics	464 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	Cut Tape

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 certification, select from active direct substitutes: CRCW0603464RFKEA (Vishay Dale), ERJ-3EKF4640V (Panasonic), RMCF0603FG464R (Stackpole, cut tape), or RMCF0603FT464R (Stackpole, tape & reel). All maintain full compliance with automotive qualification standards and ROHS3 requirements.

For non-automotive applications where AEC-Q200 certification is not required, similar substitutes CR0603-FX-4640ELF (Bourns), RC0603FR-07464RL (YAGEO), and RC1608F4640CS (Samsung) provide equivalent electrical performance with moisture-resistant construction and active product status.

Packaging format selection depends on assembly requirements: tape & reel formats support automated pick-and-place operations, while cut tape formats accommodate manual or semi-automated assembly processes.

Frequently Asked Questions (FAQ)

Q: Can I use a substitute part with different AEC-Q200 status? A: AEC-Q200 certification is application-dependent. If your design requires automotive qualification, use only parts explicitly rated AEC-Q200. For non-automotive applications, moisture-resistant alternatives are functionally equivalent.

Q: Are all substitute parts mechanically compatible with the original MCR03EZPFX4640? A: Yes. All listed substitutes share the 0603 (1608 Metric) package with identical footprint dimensions, height specifications, and two-terminal configuration, ensuring direct PCB compatibility.

Q: What is the difference between cut tape and tape & reel packaging? A: Cut tape (CT) provides resistors in smaller quantities suitable for manual assembly or low-volume production. Tape & reel (TR) format supports high-volume automated assembly with continuous reel feeding. Both formats contain identical components.

Q: Do all substitutes meet ROHS3 compliance? A: Yes. All identified substitute parts are ROHS3 compliant and REACH unaffected, matching the original part's regulatory status.

Q: Can I mix substitute parts from different manufacturers in the same assembly? A: Yes. All substitutes meet identical electrical specifications (464 Ohms ±1%, 0.1W, ±100ppm/°C) and package requirements, allowing interchangeability within the same design.

Q: What is MSL 1 rating significance? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture baking requirements, providing maximum handling flexibility for all listed parts.

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