MCR03EZPFX3302 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3302 is a 33 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, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain reliability.

Key Parameters

Parameter	Value
Resistance	33 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 (33 kOhms), 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 compliance certifications (RoHS3, REACH Unaffected, EAR99).

Substitute parts are categorized into two groups:

Direct Substitutes maintain full AEC-Q200 automotive qualification and identical electrical specifications. These parts are pin-compatible and functionally interchangeable without design modification.

Similar Substitutes meet all core electrical and mechanical parameters but differ in specific feature sets (such as moisture resistance designation) or lack explicit AEC-Q200 rating. These parts are mechanically and electrically compatible but require engineering evaluation for automotive applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
MCR03EZPFX3302	Rohm Semiconductor	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	1900 Pcs
CRCW060333K0FKEA	Vishay Dale	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	20230 Pcs
CRCW060333K0FKEB	Vishay Dale	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	20898 Pcs
ERJ-3EKF3302V	Panasonic Electronic Components	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	191366 Pcs
RMCF0603FG33K0	Stackpole Electronics Inc	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	10033 Pcs
RMCF0603FT33K0	Stackpole Electronics Inc	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	484345 Pcs
CR0603-FX-3302ELF	Bourns Inc.	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	61343 Pcs
CRG0603F33K	TE Connectivity Passive Product	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	28467 Pcs
RC0603FR-0733KL	YAGEO	33 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	2100 Pcs

Engineering Selection Recommendations

For Automotive Applications (AEC-Q200 Required):

Select from direct substitutes maintaining full AEC-Q200 qualification: CRCW060333K0FKEA (Vishay Dale, active status, 20230 Pcs available), ERJ-3EKF3302V (Panasonic, active status, 191366 Pcs available), RMCF0603FG33K0 (Stackpole, active status, 10033 Pcs available), or RMCF0603FT33K0 (Stackpole, active status, 484345 Pcs available). All maintain identical electrical specifications and automotive compliance.

For Non-Automotive Applications:

Similar substitutes CR0603-FX-3302ELF (Bourns), CRG0603F33K (TE Connectivity), and RC0603FR-0733KL (YAGEO) are electrically and mechanically compatible. These parts meet all core parameter requirements but lack explicit AEC-Q200 rating.

Supply Chain Considerations:

RMCF0603FT33K0 offers highest inventory availability (484345 Pcs). ERJ-3EKF3302V provides substantial stock (191366 Pcs) with active manufacturer status. CRCW060333K0FKEA (Vishay Dale) is available in cut tape and Digi-Reel packaging (20230 Pcs).

All substitute parts are RoHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes.

Frequently Asked Questions (FAQ)

Q: Can I use a similar substitute part in an automotive application originally designed for MCR03EZPFX3302?

A: Similar substitutes lack explicit AEC-Q200 automotive qualification. For automotive applications, use only direct substitutes with confirmed AEC-Q200 rating: CRCW060333K0FKEA, ERJ-3EKF3302V, RMCF0603FG33K0, or RMCF0603FT33K0.

Q: What is the difference between CRCW060333K0FKEA and CRCW060333K0FKEB?

A: Both are Vishay Dale 33 kOhms ±1% 0603 resistors with identical electrical specifications and AEC-Q200 rating. CRCW060333K0FKEA is available in cut tape and Digi-Reel packaging (active status). CRCW060333K0FKEB is supplied in tape and reel format (discontinued status). Selection depends on packaging requirements and availability.

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

A: Yes. All listed substitutes use 0603 (1608 Metric) package with identical pin count (2 terminations) and compatible land pattern dimensions. Physical dimensions vary slightly within tolerance (length 1.55-1.60mm, width 0.80-0.85mm, height 0.50-0.55mm) but remain within standard 0603 PCB footprint specifications.

Q: What is the significance of the temperature coefficient ±100ppm/°C specification?

A: Temperature coefficient defines resistance change per degree Celsius across the operating range. All listed parts maintain ±100ppm/°C, ensuring equivalent thermal stability and predictable resistance drift from -55°C to 155°C. This parameter is critical for precision analog circuits and must not be compromised during substitution.

Q: Can I mix different manufacturers' parts in the same production batch?

A: All listed direct substitutes meet identical electrical and mechanical specifications. However, manufacturing process variations between Rohm, Vishay, Panasonic, and Stackpole may introduce minor differences in failure rate characteristics and long-term reliability profiles. Consistency within a single production run is recommended for critical applications.

Q: What does ROHS3 compliance mean for this resistor?

A: RoHS3 (Restriction of Hazardous Substances Directive 3) compliance confirms the part contains no lead, cadmium, hexavalent chromium, polybrominated biphenyls, or polybrominated diphenyl ethers above specified thresholds. All listed parts are RoHS3 compliant and suitable for applications subject to environmental regulations.

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