MCR03EZPFX3922 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3922 is a 39.2 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	39.2 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 for the MCR03EZPFX3922 is determined by strict equivalence across the following parameters:

Resistance value: 39.2 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)

Substitute parts are classified into two categories:

Direct Substitutes maintain full AEC-Q200 automotive qualification and are functionally interchangeable without design modification.

Similar Substitutes meet all electrical and mechanical parameters but differ in automotive certification status or feature set. These parts are suitable for applications where AEC-Q200 qualification is not mandatory.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	Inventory
MCR03EZPFX3922	Rohm Semiconductor	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	1061 Pcs
MCR03ERTF3922	Rohm Semiconductor	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued	1126 Pcs
CRCW060339K2FKEA	Vishay Dale	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	55100 Pcs
CRCW060339K2FKEB	Vishay Dale	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	21974 Pcs
ERJ-3EKF3922V	Panasonic Electronic Components	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	85009 Pcs
RMCF0603FT39K2	Stackpole Electronics Inc	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	213585 Pcs
CR0603-FX-3922ELF	Bourns Inc.	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	38478 Pcs
RC0603FR-0739K2L	YAGEO	39.2 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	398331 Pcs

Engineering Selection Recommendations

For AEC-Q200 Compliant Applications:

Select from active product status parts with AEC-Q200 certification: CRCW060339K2FKEA (Vishay Dale), ERJ-3EKF3922V (Panasonic Electronic Components), or RMCF0603FT39K2 (Stackpole Electronics Inc). These parts maintain full automotive qualification and are currently in active production status. RMCF0603FT39K2 offers the highest inventory availability at 213,585 pieces.

For Non-Automotive or Legacy Applications:

CR0603-FX-3922ELF (Bourns Inc.) and RC0603FR-0739K2L (YAGEO) are suitable alternatives when AEC-Q200 certification is not required. Both parts are in active production with substantial inventory levels. RC0603FR-0739K2L provides the largest inventory pool at 398,331 pieces.

For Immediate Availability:

MCR03ERTF3922 (Rohm Semiconductor) is available from existing stock at 1,126 pieces, though it lacks AEC-Q200 certification and is discontinued at DiGi Electronics.

All substitute parts maintain identical electrical specifications, package dimensions, and environmental compliance ratings (ROHS3, MSL 1, REACH Unaffected).

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTF3922 replace MCR03EZPFX3922 in automotive applications?

A: MCR03ERTF3922 meets all electrical and mechanical parameters but does not carry AEC-Q200 automotive certification. Use only in non-automotive applications or where automotive qualification is not required.

Q: What is the difference between CRCW060339K2FKEA and CRCW060339K2FKEB?

A: Both parts are electrically and mechanically identical with AEC-Q200 certification. CRCW060339K2FKEA is in active production status, while CRCW060339K2FKEB is discontinued at DiGi Electronics. CRCW060339K2FKEA is the preferred selection for new designs.

Q: Are CR0603-FX-3922ELF and RC0603FR-0739K2L suitable for automotive designs?

A: These parts do not carry AEC-Q200 certification. They are suitable for consumer, industrial, or non-safety-critical applications where automotive qualification is not mandatory. For automotive applications, select from AEC-Q200 certified alternatives.

Q: Do all substitute parts fit the same PCB footprint?

A: Yes. All parts use the 0603 (1608 Metric) package with identical land pattern requirements. Physical dimensions vary slightly within tolerance (length 0.061" to 0.063", width 0.031" to 0.033", height 0.020" to 0.022"), but these variations are within standard PCB design tolerances and do not affect assembly or functionality.

Q: Which substitute offers the best long-term availability?

A: RMCF0603FT39K2 (Stackpole Electronics Inc) is in active production with the highest inventory level among AEC-Q200 certified alternatives at 213,585 pieces. RC0603FR-0739K2L (YAGEO) offers the largest overall inventory at 398,331 pieces for non-automotive applications.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH Unaffected status, matching the original MCR03EZPFX3922 specifications.

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