MCR03EZPFX4532 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX4532 is a 45.3 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 applications requiring precision resistive elements in compact form factors. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active product lines or alternative manufacturers.

Key Parameters

Parameter	Value
Resistance	45.3 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	MSL 1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict equivalence across the following parameters: resistance value (45.3 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, REACH Unaffected, EAR99).

All identified substitute parts meet these core electrical and mechanical specifications. Substitutes are grouped by manufacturer and product status:

Direct Equivalents (Same Manufacturer - Rohm Semiconductor):

MCR03ERTF4532: Identical electrical specifications, alternative packaging configuration (Cut Tape & Digi-Reel)

Cross-Manufacturer Direct Equivalents (Active Status):

CRCW060345K3FKEA (Vishay Dale): AEC-Q200 rated, active product status
ERJ-3EKF4532V (Panasonic Electronic Components): AEC-Q200 rated, active product status
RMCF0603FT45K3 (Stackpole Electronics Inc): AEC-Q200 rated, active product status

Cross-Manufacturer Alternatives (Active Status, Non-Automotive Features):

CR0603-FX-4532ELF (Bourns Inc.): Moisture resistant thick film, active product status
RC0603FR-0745K3L (YAGEO): Moisture resistant thick film, active product status

Alternative Manufacturer (Obsolete Status):

TRR03EZPF4532 (Rohm Semiconductor): Anti-sulfur thick film variant, obsolete status

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status	RoHS3
MCR03EZPFX4532	Rohm Semiconductor	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Discontinued	Yes
MCR03ERTF4532	Rohm Semiconductor	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Discontinued	Yes
TRR03EZPF4532	Rohm Semiconductor	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Obsolete	Yes
CRCW060345K3FKEA	Vishay Dale	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Yes
ERJ-3EKF4532V	Panasonic Electronic Components	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Yes
RMCF0603FT45K3	Stackpole Electronics Inc	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	Yes	Active	Yes
CR0603-FX-4532ELF	Bourns Inc.	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	Yes
RC0603FR-0745K3L	YAGEO	45.3 kΩ	±1%	0.1W	0603	±100ppm/°C	-55°C to 155°C	No	Active	Yes

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive compliance, select from the following active-status alternatives: CRCW060345K3FKEA (Vishay Dale), ERJ-3EKF4532V (Panasonic Electronic Components), or RMCF0603FT45K3 (Stackpole Electronics Inc). All three maintain identical electrical specifications and automotive qualification ratings.

For non-automotive applications where AEC-Q200 certification is not required, CR0603-FX-4532ELF (Bourns Inc.) and RC0603FR-0745K3L (YAGEO) provide active product status with moisture-resistant thick film construction. These alternatives offer extended supply availability.

MCR03ERTF4532 and TRR03EZPF4532 are not recommended for new designs due to discontinued or obsolete product status, despite electrical equivalence.

All substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating, ensuring compatibility with standard PCB assembly and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can MCR03EZPFX4532 be directly replaced with any of the listed substitutes?

A: Yes, all listed parts are electrically and mechanically equivalent within the specified parameters. Direct PCB footprint compatibility is maintained across all 0603 package variants. Physical dimensions vary slightly (maximum 0.005" in length and 0.004" in height), which does not affect standard PCB assembly processes.

Q: Which substitute is recommended for automotive applications?

A: CRCW060345K3FKEA, ERJ-3EKF4532V, and RMCF0603FT45K3 all carry AEC-Q200 automotive qualification. Selection among these three depends on supply chain availability and preferred manufacturer. All three are currently in active production status.

Q: What is the difference between AEC-Q200 rated and non-AEC-Q200 rated substitutes?

A: AEC-Q200 rated parts (MCR03EZPFX4532, CRCW060345K3FKEA, ERJ-3EKF4532V, RMCF0603FT45K3) meet automotive industry reliability and qualification standards. Non-AEC-Q200 parts (CR0603-FX-4532ELF, RC0603FR-0745K3L) are suitable for general industrial and consumer applications but lack automotive certification. Selection depends on end-application requirements.

Q: Are there packaging differences among the substitutes?

A: All substitutes use 0603 (1608 Metric) package with 2 terminations. Packaging configurations vary between Cut Tape (CT) & Digi-Reel and Tape & Reel (TR) options, affecting supply and handling but not electrical or mechanical performance. Verify packaging format compatibility with assembly equipment and procurement processes.

Q: Do all substitutes meet RoHS and REACH compliance?

A: Yes, all listed substitute parts are ROHS3 compliant and REACH unaffected, matching the original MCR03EZPFX4532 specifications. All parts carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the temperature coefficient significance for this resistor?

A: All listed parts maintain ±100ppm/°C temperature coefficient across the -55°C to 155°C operating range. This specification ensures stable resistance values under thermal cycling and temperature variations typical in automotive and industrial environments. No substitution introduces temperature stability differences.

Request Quote (Ships tomorrow)

Part Number

Quantity

Company

Contact Name

E-mail

Message