MCR03EZPFX1023 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1023 is a 102 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, necessitating identification of functionally equivalent alternatives from active manufacturers that maintain identical electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	102 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 to 155°C
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX1023 is determined by strict equivalence across the following parameters: resistance value (102 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, MSL 1). All identified substitute parts maintain these specifications without deviation. Substitute parts are categorized as Direct Substitutes (functionally and mechanically identical with AEC-Q200 automotive rating) and Similar Substitutes (functionally equivalent with moisture-resistant features but without explicit AEC-Q200 designation).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory
MCR03EZPFX1023	Rohm Semiconductor	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	855 Pcs
CRCW0603102KFKEA	Vishay Dale	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	35100 Pcs
ERJ-3EKF1023V	Panasonic Electronic Components	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	93742 Pcs
RMCF0603FG102K	Stackpole Electronics Inc	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	76290 Pcs
RMCF0603FT102K	Stackpole Electronics Inc	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	24015 Pcs
CR0603-FX-1023ELF	Bourns Inc.	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	17358 Pcs
RC0603FR-07102KL	YAGEO	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	311100 Pcs
RC1608F1023CS	Samsung Electro-Mechanics	102 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	1179 Pcs

Engineering Selection Recommendations

For applications requiring strict automotive AEC-Q200 compliance, direct substitutes CRCW0603102KFKEA (Vishay Dale), ERJ-3EKF1023V (Panasonic), RMCF0603FG102K, and RMCF0603FT102K (Stackpole Electronics) are qualified equivalents. All direct substitutes maintain identical electrical parameters, temperature performance, and automotive certification status. ERJ-3EKF1023V and RMCF0603FG102K offer the highest inventory availability (93742 and 76290 units respectively), supporting supply chain continuity.

For non-automotive applications or where AEC-Q200 certification is not mandatory, similar substitutes CR0603-FX-1023ELF (Bourns), RC0603FR-07102KL (YAGEO), and RC1608F1023CS (Samsung Electro-Mechanics) provide functional equivalence with moisture-resistant thick film construction. RC0603FR-07102KL demonstrates exceptional inventory depth (311100 units), enabling long-term procurement stability.

All substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can I substitute MCR03EZPFX1023 with any of the listed parts in automotive applications?

A: Direct substitutes (CRCW0603102KFKEA, ERJ-3EKF1023V, RMCF0603FG102K, RMCF0603FT102K) carry AEC-Q200 automotive certification and are fully qualified for automotive use. Similar substitutes (CR0603-FX-1023ELF, RC0603FR-07102KL, RC1608F1023CS) lack explicit AEC-Q200 designation and should be evaluated against specific automotive application requirements.

Q: Are there mechanical differences between the main part and substitutes?

A: All parts share the 0603 (1608 Metric) package designation. Minor dimensional variations exist within tolerance: the main part and most substitutes measure 0.063" L × 0.031" W (1.60mm × 0.80mm), while CRCW0603102KFKEA, RMCF0603FG102K, and RMCF0603FT102K measure 0.061" L × 0.031" W (1.55mm × 0.80mm). These variations remain within standard PCB footprint tolerances and do not affect interchangeability.

Q: What is the difference between Direct and Similar substitutes?

A: Direct substitutes maintain AEC-Q200 automotive qualification identical to the original part. Similar substitutes feature moisture-resistant thick film construction but do not carry explicit AEC-Q200 certification. Selection depends on application requirements and regulatory compliance mandates.

Q: Which substitute offers the best supply availability?

A: RC0603FR-07102KL (YAGEO) provides the highest inventory level at 311100 units. For AEC-Q200 qualified alternatives, ERJ-3EKF1023V (Panasonic) offers 93742 units and RMCF0603FG102K (Stackpole) offers 76290 units.

Q: Do all substitutes meet RoHS and moisture sensitivity requirements?

A: All listed substitutes are ROHS3 compliant with MSL 1 (Unlimited) rating, matching the original part specifications and ensuring compatibility with standard manufacturing processes and storage conditions.

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