MCR03EZPFX8453 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX8453 is an 845 kOhms ±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	845 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

Substitution eligibility for the MCR03EZPFX8453 is determined by strict equivalence across the following parameters:

Resistance value: 845 kOhms (exact match required)
Tolerance: ±1% (exact match required)
Power rating: 0.1W / 1/10W (exact match required)
Package: 0603 (1608 Metric) (exact match required)
Composition: Thick Film (exact match required)
Temperature coefficient: ±100ppm/°C (exact match required)
Operating temperature range: -55°C ~ 155°C (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)
Moisture sensitivity: MSL 1 (exact match required)

All substitute parts listed below meet these criteria. Variations in physical dimensions (length, width, height) within standard tolerances and differences in packaging format (Cut Tape vs. Tape & Reel) do not affect functional equivalence.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Operating Temp	AEC-Q200	Product Status	Inventory (Pcs)
MCR03EZPFX8453	Rohm Semiconductor	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued	961
MCR03ERTF8453	Rohm Semiconductor	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued	6182
CRCW0603845KFKEA	Vishay Dale	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	21078
ERJ-3EKF8453V	Panasonic Electronic Components	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	59770
RMCF0603FT845K	Stackpole Electronics Inc	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active	16079
CR0603-FX-8453ELF	Bourns Inc.	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	15133
RC0603FR-07845KL	YAGEO	845 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active	523100

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, select from: CRCW0603845KFKEA (Vishay Dale), ERJ-3EKF8453V (Panasonic Electronic Components), or RMCF0603FT845K (Stackpole Electronics Inc). All three are currently in active production status with AEC-Q200 certification.

For non-automotive applications or where AEC-Q200 is not mandatory, CR0603-FX-8453ELF (Bourns Inc.) and RC0603FR-07845KL (YAGEO) are functionally equivalent alternatives with active product status. RC0603FR-07845KL offers the highest inventory availability at 523,100 pieces.

MCR03ERTF8453 (Rohm Semiconductor) is functionally equivalent but lacks AEC-Q200 certification and is discontinued at DiGi Electronics.

Frequently Asked Questions (FAQ)

Q: Can I substitute MCR03EZPFX8453 with any of the listed parts?

A: Yes, all listed parts are functionally equivalent. They share identical electrical specifications (845 kOhms, ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C operating range) and package format (0603). Selection should be based on product status, certification requirements, and availability.

Q: What is the difference between AEC-Q200 certified and non-certified parts?

A: AEC-Q200 certification indicates the part meets automotive industry reliability and quality standards. For automotive applications, use CRCW0603845KFKEA, ERJ-3EKF8453V, or RMCF0603FT845K. For non-automotive use, CR0603-FX-8453ELF and RC0603FR-07845KL are acceptable.

Q: Are there physical dimension differences between substitutes?

A: Minor variations exist within standard tolerances. MCR03EZPFX8453, ERJ-3EKF8453V, CR0603-FX-8453ELF, and RC0603FR-07845KL measure 0.063" L x 0.031" W with 0.022" max height. CRCW0603845KFKEA measures 0.061" L x 0.033" W with 0.020" max height. RMCF0603FT845K measures 0.061" L x 0.031" W with 0.022" max height. These variations do not affect PCB layout compatibility for standard 0603 footprints.

Q: What packaging formats are available?

A: MCR03ERTF8453 is supplied in Cut Tape (CT) & Digi-Reel format. All other substitutes are supplied in Tape & Reel (TR) format. Both formats are compatible with standard pick-and-place assembly equipment.

Q: Which substitute has the best availability?

A: RC0603FR-07845KL (YAGEO) has the highest inventory at 523,100 pieces. ERJ-3EKF8453V (Panasonic) has 59,770 pieces available.

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