MCR03EZPJ751 Equivalent & Substitute Parts

Part Overview

The MCR03EZPJ751 is a 750 Ohms ±5% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This component is automotive-grade (AEC-Q200 certified) and designed for high-reliability applications requiring temperature stability across -55°C to 155°C operating range. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers to maintain design continuity and supply chain availability.

Key Parameters

Parameter	Value
Resistance	750 Ohms
Tolerance	±5%
Power Rating	0.1W (1/10W)
Package	0603 (1608 Metric)
Composition	Thick Film
Temperature Coefficient	±200ppm/°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 MCR03EZPJ751 is determined by strict equivalence across the following critical parameters:

Resistance Value: 750 Ohms (exact match required)
Tolerance: ±5% (minimum acceptable; ±1% represents an upgrade)
Power Rating: 0.1W (1/10W)
Package: 0603 (1608 Metric)
Composition: Thick Film
Operating Temperature Range: -55°C to 155°C minimum
RoHS Compliance: ROHS3 Compliant

Direct substitutes maintain all parameters at specification. Upgrade substitutes improve tolerance (±1% vs ±5%) while maintaining all other electrical and mechanical characteristics. All identified substitutes are available from active manufacturers with confirmed inventory.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status	Inventory (Pcs)
MCR03EZPJ751	Rohm Semiconductor	750 Ω	±5%	0.1	±200	-55 to 155	Yes	Discontinued	777
MCR03ERTJ751	Rohm Semiconductor	750 Ω	±5%	0.1	±200	-55 to 155	No	Discontinued	833
CRCW0603750RJNEA	Vishay Dale	750 Ω	±5%	0.1	±200	-55 to 155	Yes	Active	55268
ERJ-3GEYJ751V	Panasonic Electronic Components	750 Ω	±5%	0.1	±200	-55 to 155	Yes	Active	7003
RC0603JR-07750RL	YAGEO	750 Ω	±5%	0.1	±100	-55 to 155	No	Active	323044
RMCF0603JT750R	Stackpole Electronics Inc	750 Ω	±5%	0.1	±200	-55 to 155	Yes	Active	44241
CRCW0603750RFKEA	Vishay Dale	750 Ω	±1%	0.1	±100	-55 to 155	Yes	Active	1000400
CR0603-JW-751ELF	Bourns Inc.	750 Ω	±5%	0.1	±200	-55 to 155	No	Active	39245

Engineering Selection Recommendations

Direct Substitutes (Equivalent Specification)

CRCW0603750RJNEA, ERJ-3GEYJ751V, and RMCF0603JT750R are direct functional equivalents. All three maintain ±5% tolerance, ±200ppm/°C temperature coefficient, and AEC-Q200 automotive certification. CRCW0603750RJNEA offers the highest inventory availability (55,268 pcs) with active product status. ERJ-3GEYJ751V and RMCF0603JT750R provide alternative sourcing from Panasonic and Stackpole respectively, both with confirmed active status and substantial stock levels.

Upgrade Substitute (Enhanced Tolerance)

CRCW0603750RFKEA improves tolerance to ±1% and reduces temperature coefficient to ±100ppm/°C while maintaining AEC-Q200 certification and active product status. This upgrade is suitable for applications requiring tighter resistance tolerance and improved temperature stability. Inventory availability is exceptional (1,000,400 pcs).

Alternative Substitutes (Non-Automotive Rated)

RC0603JR-07750RL (YAGEO) and CR0603-JW-751ELF (Bourns) meet all electrical and mechanical specifications but lack AEC-Q200 certification. RC0603JR-07750RL features improved temperature coefficient (±100ppm/°C) and exceptional inventory (323,044 pcs). CR0603-JW-751ELF provides moisture-resistant construction. These are suitable only for non-automotive applications or where automotive qualification is not required.

Discontinued Alternative

MCR03ERTJ751 (Rohm Semiconductor) is a direct equivalent from the same manufacturer but is also discontinued. This part should not be considered for new designs despite matching specifications.

Frequently Asked Questions (FAQ)

Q: Can I use CRCW0603750RFKEA as a direct replacement for MCR03EZPJ751?

A: Yes. CRCW0603750RFKEA is functionally compatible and represents an upgrade due to improved ±1% tolerance versus ±5%. Both maintain AEC-Q200 certification, identical package dimensions, and operating temperature range. The tighter tolerance may improve circuit performance in precision applications.

Q: What is the difference between direct substitutes and the upgrade substitute?

A: Direct substitutes (CRCW0603750RJNEA, ERJ-3GEYJ751V, RMCF0603JT750R) maintain identical ±5% tolerance and ±200ppm/°C temperature coefficient. The upgrade substitute (CRCW0603750RFKEA) improves to ±1% tolerance and ±100ppm/°C, providing better accuracy and stability at no mechanical or thermal penalty.

Q: Are RC0603JR-07750RL and CR0603-JW-751ELF suitable for automotive applications?

A: These parts lack AEC-Q200 certification. They are suitable only for non-automotive or non-safety-critical applications. For automotive designs, select from CRCW0603750RJNEA, ERJ-3GEYJ751V, RMCF0603JT750R, or CRCW0603750RFKEA.

Q: Do all substitutes use the same 0603 package?

A: Yes. All identified substitutes use 0603 (1608 Metric) package with identical footprint compatibility. Dimensional variations are within standard manufacturing tolerances and do not affect PCB layout or assembly.

Q: Which substitute offers the best supply availability?

A: CRCW0603750RFKEA provides the highest inventory (1,000,400 pcs) with active product status. For direct specification equivalents, CRCW0603750RJNEA offers 55,268 pcs in stock.

Q: Can I mix different substitute parts in the same design?

A: Yes. All direct substitutes and the upgrade substitute are electrically and mechanically interchangeable. Mixed sourcing is acceptable provided the application tolerates the tolerance and temperature coefficient variations specified for each part.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message