MCR03EZPFX1501 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1501 is a 1.5 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 equivalent alternatives that maintain identical electrical and mechanical specifications for seamless board-level substitution.

Key Parameters

Parameter	Value
Resistance	1.5 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

Substitute parts for the MCR03EZPFX1501 are classified based on strict electrical and mechanical parameter matching. All direct substitutes maintain identical specifications across the following critical parameters:

Resistance value: 1.5 kOhms
Tolerance: ±1%
Power rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Automotive AEC-Q200 compliance
RoHS3 compliance
MSL rating: 1 (Unlimited)

Direct substitutes differ only in packaging format (Cut Tape vs. Tape & Reel) and manufacturer, with no impact on electrical performance or board-level compatibility. An upgrade option with enhanced tolerance (±0.5%) is identified for applications requiring tighter resistance accuracy. Similar alternatives from other manufacturers may have minor dimensional variations or feature differences that do not affect functional equivalence.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status	Inventory
MCR03EZPFX1501	Rohm Semiconductor	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Discontinued	861 Pcs
CRCW06031K50FKEA	Vishay Dale	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	5300 Pcs
CRCW06031K50FKEB	Vishay Dale	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Discontinued	45230 Pcs
CRCW06031K50FKEC	Vishay Dale	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	19649 Pcs
ERJ-3EKF1501V	Panasonic Electronic Components	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	1029042 Pcs
RCG06031K50FKEA	Vishay Dale	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	10938 Pcs
RMCF0603FT1K50	Stackpole Electronics Inc	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	339894 Pcs
CRCW06031K50DHEAP	Vishay Dale	1.5 kOhms	±0.5%	0.1	0603	±50	-55 ~ 155	Yes	Active	24881 Pcs
CR0603-FX-1501ELF	Bourns Inc.	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	465429 Pcs
CRG0603F1K5	TE Connectivity Passive Product	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	90993 Pcs
RC0603FR-071K5L	YAGEO	1.5 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	20400 Pcs

Engineering Selection Recommendations

Direct Substitutes (Electrical & Mechanical Equivalence with AEC-Q200):

CRCW06031K50FKEA, CRCW06031K50FKEC, ERJ-3EKF1501V, and RMCF0603FT1K50 provide full electrical and mechanical equivalence to the MCR03EZPFX1501. All maintain AEC-Q200 automotive qualification, identical resistance, tolerance, power rating, and operating temperature specifications. CRCW06031K50FKEA and CRCW06031K50FKEC are currently in active production status. ERJ-3EKF1501V offers the highest inventory availability at over 1 million pieces. RMCF0603FT1K50 is actively produced by Stackpole Electronics with substantial stock levels.

Substitutes Without AEC-Q200 Certification:

RCG06031K50FKEA, CR0603-FX-1501ELF, CRG0603F1K5, and RC0603FR-071K5L match all electrical parameters and package specifications but lack AEC-Q200 automotive certification. These are suitable for non-automotive applications or where automotive qualification is not a design requirement. All are in active production with adequate inventory.

Upgrade Option:

CRCW06031K50DHEAP provides enhanced tolerance of ±0.5% and reduced temperature coefficient of ±50ppm/°C while maintaining all other specifications including AEC-Q200 compliance. This part is appropriate for applications requiring tighter resistance accuracy than the original ±1% specification.

Frequently Asked Questions (FAQ)

Q: Can CRCW06031K50FKEA directly replace MCR03EZPFX1501 on existing boards?

A: Yes. CRCW06031K50FKEA is electrically and mechanically equivalent with identical resistance (1.5 kOhms), tolerance (±1%), power rating (0.1W), package (0603), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and AEC-Q200 certification. The only difference is packaging format (Cut Tape vs. Tape & Reel).

Q: What is the difference between CRCW06031K50FKEA and CRCW06031K50FKEC?

A: Both parts are electrically identical with the same resistance, tolerance, power rating, and AEC-Q200 compliance. The difference is packaging: FKEA is supplied in Cut Tape & Digi-Reel format, while FKEC is supplied in Tape & Reel format. FKEC is currently in active production status.

Q: Why should I consider ERJ-3EKF1501V?

A: ERJ-3EKF1501V is a direct electrical and mechanical equivalent with AEC-Q200 certification and the highest inventory availability (over 1 million pieces), ensuring supply continuity. It is manufactured by Panasonic Electronic Components and is in active production.

Q: Can I use CR0603-FX-1501ELF as a substitute?

A: CR0603-FX-1501ELF matches all electrical and mechanical specifications including resistance, tolerance, power rating, package, and temperature range. However, it lacks AEC-Q200 automotive certification. It is suitable for non-automotive applications or where automotive qualification is not required.

Q: What is the advantage of CRCW06031K50DHEAP?

A: CRCW06031K50DHEAP provides tighter tolerance (±0.5% vs. ±1%) and lower temperature coefficient (±50ppm/°C vs. ±100ppm/°C) while maintaining AEC-Q200 compliance and all other specifications. It is appropriate for applications requiring enhanced resistance accuracy.

Q: Are all substitutes RoHS3 compliant?

A: Yes. All listed substitute parts are RoHS3 compliant with MSL rating of 1 (Unlimited), matching the original MCR03EZPFX1501 specifications.

Q: What is the difference between Cut Tape and Tape & Reel packaging?

A: Cut Tape & Digi-Reel format is suitable for lower-volume applications and manual assembly. Tape & Reel format is optimized for high-volume automated pick-and-place assembly. Both formats contain identical components; the difference is in delivery and handling method.

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