MCR03EZPFX8253 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX8253 is an 825 kOhms ±1% 0.1W thick film chip resistor in 0603 (1608 Metric) package manufactured by Rohm Semiconductor. This automotive-grade component meets AEC-Q200 qualification standards and is designed for high-reliability applications requiring stable resistance values across extended temperature ranges. The part is currently discontinued at DiGi Electronics, necessitating identification of functionally equivalent alternatives from active inventory sources.

Key Parameters

Parameter	Value
Resistance	825 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 MCR03EZPFX8253 is determined by strict equivalence across the following critical parameters:

Resistance value: 825 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 to 155°C (exact match required)
RoHS compliance: ROHS3 Compliant (exact match required)
Moisture sensitivity level: 1 (Unlimited) (exact match required)

All identified substitute parts meet these criteria. Direct substitutes maintain automotive AEC-Q200 qualification. Similar substitutes provide equivalent electrical and mechanical performance with alternative feature sets (moisture resistance vs. automotive rating).

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Features	Status	Inventory
MCR03EZPFX8253	Rohm Semiconductor	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Discontinued	883 Pcs
MCR03ERTF8253	Rohm Semiconductor	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Thick Film	Discontinued	3510 Pcs
CRCW0603825KFKEA	Vishay Dale	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	25075 Pcs
ERJ-3EKF8253V	Panasonic Electronic Components	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	68791 Pcs
RMCF0603FT825K	Stackpole Electronics Inc	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Automotive AEC-Q200	Active	20324 Pcs
CR0603-FX-8253ELF	Bourns Inc.	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Moisture Resistant	Active	30196 Pcs
RC0603FR-07825KL	YAGEO	825 kOhms	±1%	0.1	0603	±100ppm/°C	-55°C to 155°C	Moisture Resistant	Active	50492 Pcs

Engineering Selection Recommendations

For applications requiring automotive AEC-Q200 qualification, select from the direct substitute group: CRCW0603825KFKEA (Vishay Dale), ERJ-3EKF8253V (Panasonic), or RMCF0603FT825K (Stackpole). All three maintain active product status with established supply chains. ERJ-3EKF8253V offers the highest current inventory level at 68,791 pieces.

For non-automotive applications where moisture resistance is prioritized over automotive certification, CR0603-FX-8253ELF (Bourns) and RC0603FR-07825KL (YAGEO) provide equivalent electrical performance with active status and substantial inventory availability.

MCR03ERTF8253 (Rohm Semiconductor) remains available from the original manufacturer but is discontinued at DiGi Electronics, with lower inventory compared to active alternatives.

All substitute parts are ROHS3 compliant, MSL 1 rated, and maintain identical electrical specifications within the specified tolerance and temperature operating range.

Frequently Asked Questions (FAQ)

Q: Can MCR03EZPFX8253 be directly replaced with any of the listed substitutes?

A: Yes. All listed parts meet the critical substitution parameters: 825 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, thick film composition, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range, and ROHS3 compliance. Physical footprint and electrical performance are equivalent.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (MCR03ERTF8253, CRCW0603825KFKEA, ERJ-3EKF8253V, RMCF0603FT825K) maintain automotive AEC-Q200 qualification. Similar substitutes (CR0603-FX-8253ELF, RC0603FR-07825KL) provide moisture-resistant thick film construction without automotive certification. Selection depends on application requirements.

Q: Are there any dimensional differences between substitute parts?

A: Dimensional variations are minimal. All parts conform to 0603 (1608 Metric) package specifications. Length ranges from 0.061" to 0.063" (1.55mm to 1.60mm), width from 0.031" to 0.033" (0.80mm to 0.85mm), and maximum seated height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations are within standard PCB design tolerances.

Q: Which substitute offers the best supply availability?

A: RC0603FR-07825KL (YAGEO) has the highest inventory at 50,492 pieces, followed by ERJ-3EKF8253V (Panasonic) at 68,791 pieces. Both are active products with established distribution networks.

Q: Can substitutes be used interchangeably in automotive applications?

A: CRCW0603825KFKEA, ERJ-3EKF8253V, and RMCF0603FT825K maintain AEC-Q200 qualification and are suitable for automotive applications. CR0603-FX-8253ELF and RC0603FR-07825KL lack automotive certification and should not be used in automotive-qualified designs without design review.

Q: What is the significance of MSL 1 rating?

A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture-related degradation. All listed parts carry this rating, eliminating moisture-related handling constraints during storage and assembly.

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