MCR03EZPFX7323 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX7323 is a 732 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component meets AEC-Q200 specifications and is designed for high-reliability applications requiring stable resistance performance across extended temperature ranges. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active manufacturers.

Key Parameters

Parameter	Value
Resistance	732 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 to 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX7323 is determined by strict equivalence across the following parameters:

Resistance value: 732 kOhms
Tolerance: ±1%
Power rating: 0.1W
Package designation: 0603 (1608 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C to 155°C
Termination count: 2
RoHS compliance: ROHS3
Moisture sensitivity: MSL 1

All identified substitute parts meet these electrical and mechanical criteria. Substitutes are classified as either direct equivalents (identical specifications across all parameters) or similar alternatives (meeting core functional requirements with minor dimensional variations within acceptable tolerances).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Composition	RoHS	MSL	Product Status
MCR03EZPFX7323	Rohm Semiconductor	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Discontinued
CRCW0603732KFKEA	Vishay Dale	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
ERJ-3EKF7323V	Panasonic Electronic Components	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
RC0603FR-07732KL	YAGEO	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
RMCF0603FG732K	Stackpole Electronics Inc	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
RMCF0603FT732K	Stackpole Electronics Inc	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active
CR0603-FX-7323ELF	Bourns Inc.	732 kΩ	±1%	0.1	0603	±100ppm/°C	-55 to 155°C	Thick Film	ROHS3	1	Active

Engineering Selection Recommendations

All substitute parts listed are electrically and mechanically equivalent to the MCR03EZPFX7323 and are suitable for direct replacement in applications where the original part is no longer available.

Active Status Advantage: CRCW0603732KFKEA, ERJ-3EKF7323V, RC0603FR-07732KL, RMCF0603FG732K, RMCF0603FT732K, and CR0603-FX-7323ELF are all in active production status, ensuring long-term availability and supply chain continuity.

Compliance Alignment: All substitute parts maintain ROHS3 compliance and MSL 1 rating, matching the environmental and regulatory requirements of the original component.

Automotive Qualification: CRCW0603732KFKEA, ERJ-3EKF7323V, RMCF0603FG732K, and RMCF0603FT732K carry AEC-Q200 automotive qualification, directly matching the original part's automotive-grade specification. RC0603FR-07732KL and CR0603-FX-7323ELF feature moisture-resistant construction, providing equivalent environmental protection through alternative qualification pathways.

Inventory Availability: RC0603FR-07732KL offers the highest inventory level (161,295 units), followed by ERJ-3EKF7323V (35,501 units) and CR0603-FX-7323ELF (25,644 units), supporting immediate procurement requirements.

Frequently Asked Questions (FAQ)

Q: Can any of these substitute parts be used interchangeably with the MCR03EZPFX7323?

A: Yes. All listed substitute parts meet identical electrical specifications (732 kΩ ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C) and are packaged in the same 0603 (1608 Metric) form factor with identical termination configuration. They are functionally interchangeable at the circuit level.

Q: What is the difference between AEC-Q200 rated parts and moisture-resistant parts?

A: AEC-Q200 is an automotive qualification standard ensuring reliability under automotive operating conditions. Moisture-resistant construction provides environmental protection through material composition. Both approaches satisfy the environmental requirements of the original MCR03EZPFX7323 through different qualification methodologies.

Q: Are there any dimensional differences between the substitute parts and the original?

A: Minor dimensional variations exist within the 0603 package specification. The original MCR03EZPFX7323 measures 0.063" L × 0.031" W (1.60mm × 0.80mm) with 0.022" (0.55mm) maximum seated height. Substitute parts vary slightly: CRCW0603732KFKEA measures 0.061" L × 0.033" W (1.55mm × 0.85mm) with 0.020" (0.50mm) height; RMCF0603FG732K and RMCF0603FT732K measure 0.061" L × 0.031" W (1.55mm × 0.80mm) with 0.022" (0.55mm) height. These variations remain within standard 0603 package tolerances and do not affect PCB layout or assembly compatibility.

Q: Which substitute part offers the best supply chain security?

A: RC0603FR-07732KL from YAGEO provides the highest inventory level at 161,295 units, offering superior supply chain continuity. ERJ-3EKF7323V from Panasonic (35,501 units) and CR0603-FX-7323ELF from Bourns (25,644 units) also provide substantial inventory buffers.

Q: Do all substitute parts comply with RoHS and REACH regulations?

A: Yes. All substitute parts are ROHS3 compliant and REACH unaffected, matching the regulatory compliance profile of the original MCR03EZPFX7323.

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