MCR03EZPFX2370 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX2370 is a 237 Ohms ±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	237 Ohms
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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX2370 is determined by strict equivalence across the following parameters: resistance value (237 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitute parts listed maintain these core electrical and mechanical specifications, ensuring functional interchangeability in circuit applications.

Substitute parts are categorized as Direct Manufacturer equivalents (MCR03ERTF2370, CRCW0603237RFKEA, ERJ-3EKF2370V, RMCF0603FT237R) and Similar equivalents (CR0603-FX-2370ELF, RC0603FR-07237RL, RC1608F2370CS). Direct equivalents include automotive AEC-Q200 certification matching the original part. Similar equivalents meet all electrical and mechanical parameters but may differ in specific feature certifications or packaging formats.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status
MCR03EZPFX2370	Rohm Semiconductor	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Yes	Discontinued
MCR03ERTF2370	Rohm Semiconductor	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	No	Discontinued
CRCW0603237RFKEA	Vishay Dale	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Yes	Active
ERJ-3EKF2370V	Panasonic Electronic Components	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Yes	Active
RMCF0603FT237R	Stackpole Electronics Inc	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Yes	Active
CR0603-FX-2370ELF	Bourns Inc.	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	No	Active
RC0603FR-07237RL	YAGEO	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	No	Active
RC1608F2370CS	Samsung Electro-Mechanics	237 Ω	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	No	Active

Engineering Selection Recommendations

For automotive applications requiring AEC-Q200 certification, select from active parts with confirmed automotive qualification: CRCW0603237RFKEA (Vishay Dale), ERJ-3EKF2370V (Panasonic Electronic Components), or RMCF0603FT237R (Stackpole Electronics Inc). These parts maintain full compliance with automotive standards and are currently in active production status.

For general-purpose applications where AEC-Q200 certification is not mandatory, CR0603-FX-2370ELF (Bourns Inc.), RC0603FR-07237RL (YAGEO), and RC1608F2370CS (Samsung Electro-Mechanics) provide equivalent electrical and mechanical performance with active product status and ROHS3 compliance.

All listed substitutes are ROHS3 compliant with MSL rating of 1 (Unlimited), ensuring compatibility with standard manufacturing and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTF2370 be used as a direct replacement for MCR03EZPFX2370?

A: MCR03ERTF2370 matches all electrical parameters (237 Ohms ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C to 155°C operating range) and is from the same manufacturer (Rohm Semiconductor). However, the original part includes AEC-Q200 automotive certification while MCR03ERTF2370 does not list this certification. For non-automotive applications, this substitution is functionally equivalent.

Q: Which substitute offers the best availability?

A: RMCF0603FT237R (Stackpole Electronics Inc) has the highest inventory level at 107,071 pieces with active product status. ERJ-3EKF2370V (Panasonic Electronic Components) also offers strong availability at 39,952 pieces.

Q: Are there differences in physical dimensions between substitutes?

A: All parts use the 0603 (1608 Metric) package. Minor dimensional variations exist: most parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm), while CRCW0603237RFKEA and RMCF0603FT237R measure 0.061" L x 0.031" W (1.55mm x 0.80mm) and 0.061" L x 0.031" W (1.55mm x 0.80mm) respectively. Height-seated maximum is 0.022" (0.55mm) for most parts, with CRCW0603237RFKEA at 0.020" (0.50mm). These variations are within standard 0603 package tolerances and do not affect PCB footprint compatibility.

Q: What is the difference between Direct and Similar substitute classifications?

A: Direct substitutes (MCR03ERTF2370, CRCW0603237RFKEA, ERJ-3EKF2370V, RMCF0603FT237R) maintain all electrical and mechanical specifications with matching or equivalent feature sets. Similar substitutes (CR0603-FX-2370ELF, RC0603FR-07237RL, RC1608F2370CS) meet all core electrical and mechanical requirements but may lack specific certifications such as AEC-Q200 automotive qualification.

Q: Are all substitutes ROHS3 compliant?

A: Yes, all listed substitute parts are ROHS3 compliant with MSL rating of 1 (Unlimited), meeting environmental and manufacturing standards for current production environments.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message