MCR03EZPFX3303 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3303 is a 330 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component meets AEC-Q200 specifications 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	330 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters:

Resistance value: 330 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)
Moisture sensitivity: MSL 1 (exact match required)

All substitute parts listed meet these criteria. Automotive AEC-Q200 certification is present on the primary substitute (KTR03EZPF3303) and direct substitutes (CRCW0603330KFKEA, ERJ-3EKF3303V, RMCF0603FT330K). Similar substitutes (CR0603-FX-3303ELF, CRG0603F330K, RC0603FR-07330KL) maintain all electrical and mechanical parameters but may lack explicit AEC-Q200 designation or feature variations such as moisture resistance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	Inventory
MCR03EZPFX3303	Rohm Semiconductor	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	902 Pcs
KTR03EZPF3303	Rohm Semiconductor	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	5822 Pcs
CRCW0603330KFKEA	Vishay Dale	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	25200 Pcs
ERJ-3EKF3303V	Panasonic Electronic Components	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	134099 Pcs
RMCF0603FT330K	Stackpole Electronics Inc	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	112314 Pcs
CR0603-FX-3303ELF	Bourns Inc.	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	21060 Pcs
CRG0603F330K	TE Connectivity Passive Product	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	16062 Pcs
RC0603FR-07330KL	YAGEO	330 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	5300 Pcs

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive compliance, select from the following active parts: KTR03EZPF3303 (Rohm Semiconductor), CRCW0603330KFKEA (Vishay Dale), ERJ-3EKF3303V (Panasonic Electronic Components), or RMCF0603FT330K (Stackpole Electronics Inc). All four maintain identical electrical specifications and automotive certification.

For non-automotive applications or where AEC-Q200 is not mandated, CR0603-FX-3303ELF (Bourns Inc.), CRG0603F330K (TE Connectivity Passive Product), and RC0603FR-07330KL (YAGEO) provide equivalent electrical performance with active product status and higher inventory availability.

All substitute parts are ROHS3 compliant with MSL 1 rating, ensuring compatibility with standard PCB assembly processes and long-term storage without moisture sensitivity concerns.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts interchangeably with MCR03EZPFX3303?

A: Yes, all listed substitute parts meet the core electrical and mechanical parameters: 330 kOhms ±1%, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Physical dimensions and termination count are identical across all parts.

Q: What is the difference between parts with AEC-Q200 certification and those without?

A: AEC-Q200 certification indicates the part has undergone automotive-grade qualification testing for reliability and performance in automotive environments. For automotive applications, select KTR03EZPF3303, CRCW0603330KFKEA, ERJ-3EKF3303V, or RMCF0603FT330K. For non-automotive applications, all parts are functionally equivalent.

Q: Are there any dimensional differences between substitute parts?

A: Dimensional variations are minimal. All parts conform to 0603 (1608 Metric) package specifications. CRCW0603330KFKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" max height, while most others measure 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" max height. These variations fall within standard PCB design tolerances and do not affect board layout or assembly.

Q: Which substitute part has the highest inventory availability?

A: ERJ-3EKF3303V (Panasonic Electronic Components) has the highest inventory at 134,099 pieces, followed by RMCF0603FT330K (Stackpole Electronics Inc) at 112,314 pieces.

Q: Do all substitute parts have the same packaging options?

A: Packaging formats vary. KTR03EZPF3303 and RMCF0603FT330K are supplied in Tape & Reel (TR). CRCW0603330KFKEA and ERJ-3EKF3303V are available in Cut Tape (CT) & Digi-Reel®. CR0603-FX-3303ELF, CRG0603F330K, and RC0603FR-07330KL are supplied in Tape & Reel (TR). Select based on your assembly process requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes, all substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating, meeting current environmental and reliability standards.

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