MCR03EZPFX2371 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2371 is a 2.37 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This part is discontinued at DiGi Electronics, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications. Substitute parts must match the resistance value, tolerance, power rating, package dimensions, and operating temperature range to ensure direct compatibility in circuit applications.

Key Parameters

Parameter	Specification
Resistance	2.37 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MCR03EZPFX2371 are qualified based on the following criteria:

Electrical Parameters (Must Match Exactly):

Resistance: 2.37 kOhms
Tolerance: ±1%
Power Rating: 0.1W (1/10W)
Temperature Coefficient: ±100ppm/°C
Operating Temperature Range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

Package / Case: 0603 (1608 Metric)
Number of Terminations: 2
Composition: Thick Film

Compliance Parameters:

RoHS Status: ROHS3 Compliant
Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed below meet these criteria. Variations in packaging format (Tape & Reel vs. Cut Tape) and minor dimensional tolerances within the 0603 specification do not affect electrical or mechanical compatibility.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	Product Status	Packaging Format
MCR03EZPFX2371	Rohm Semiconductor	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Discontinued	Cut Tape & Digi-Reel
TRR03EZPF2371	Rohm Semiconductor	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Obsolete	Tape & Reel
CRCW06032K37FKEA	Vishay Dale	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Cut Tape & Digi-Reel
ERJ-3EKF2371V	Panasonic Electronic Components	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel
RMCF0603FT2K37	Stackpole Electronics Inc	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel
CR0603-FX-2371ELF	Bourns Inc.	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Tape & Reel
RC0603FR-072K37L	YAGEO	2.37 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Cut Tape & Digi-Reel

Engineering Selection Recommendations

Primary Recommendation: CRCW06032K37FKEA (Vishay Dale) or ERJ-3EKF2371V (Panasonic) are preferred substitutes. Both parts are in active production status, ROHS3 compliant, and carry AEC-Q200 automotive qualification matching the original MCR03EZPFX2371 specification. CRCW06032K37FKEA offers Cut Tape & Digi-Reel packaging identical to the original part format.

Secondary Recommendations: RMCF0603FT2K37 (Stackpole Electronics Inc) and RC0603FR-072K37L (YAGEO) are active production alternatives with full electrical and mechanical compatibility. Both maintain ROHS3 compliance and MSL 1 rating.

Avoid: TRR03EZPF2371 is obsolete and should not be selected for new designs despite electrical equivalence.

Compliance Consideration: All recommended active production parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1), ensuring compatibility with standard assembly and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute MCR03EZPFX2371 with any of the listed parts? A: Yes. All listed parts match the required electrical specifications (2.37 kOhms ±1%, 0.1W), mechanical package (0603), temperature range (-55°C ~ 155°C), and compliance requirements (ROHS3, MSL 1). Direct substitution is electrically and mechanically valid.

Q: Does packaging format (Tape & Reel vs. Cut Tape) affect compatibility? A: No. Packaging format affects only handling and assembly logistics, not electrical or mechanical performance. Both Tape & Reel and Cut Tape & Digi-Reel formats are compatible with standard pick-and-place assembly equipment.

Q: Why is TRR03EZPF2371 listed if it is obsolete? A: TRR03EZPF2371 is included for reference as a historical equivalent. However, it should not be selected for new designs or production due to obsolete status. Active production alternatives are available.

Q: Are there dimensional differences between substitute parts? A: Minor dimensional variations exist within 0603 specification tolerances. The MCR03EZPFX2371 measures 0.063" L x 0.031" W (1.60mm x 0.80mm). CRCW06032K37FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm), and RMCF0603FT2K37 measures 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within 0603 package specification and do not affect PCB layout compatibility.

Q: Do all substitute parts carry automotive qualification? A: CRCW06032K37FKEA, ERJ-3EKF2371V, and RMCF0603FT2K37 carry AEC-Q200 automotive qualification. CR0603-FX-2371ELF and RC0603FR-072K37L carry moisture-resistant thick film designation without explicit AEC-Q200 marking. For automotive applications requiring AEC-Q200 certification, select CRCW06032K37FKEA, ERJ-3EKF2371V, or RMCF0603FT2K37.

Q: What is the inventory status of substitute parts? A: RMCF0603FT2K37 (106,994 pcs), RC0603FR-072K37L (156,299 pcs), and ERJ-3EKF2371V (101,571 pcs) have the highest inventory availability. CRCW06032K37FKEA (896 pcs) and CR0603-FX-2371ELF (63,580 pcs) have lower but adequate stock levels.

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