MCR03EZPFX3162 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3162 is a 31.6 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 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	31.6 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 for the MCR03EZPFX3162 is determined by strict equivalence across the following parameters:

Resistance value: 31.6 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 ~ 155°C
RoHS3 compliance
MSL rating: 1 (Unlimited)

Substitute parts are classified into two categories:

Direct Substitutes maintain all electrical and mechanical specifications with identical or compatible dimensional tolerances and automotive ratings.

Similar Substitutes meet all core electrical specifications and package requirements but may differ in specific features (such as anti-sulfur or moisture-resistant coatings) or dimensional tolerances within acceptable ranges.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	Status	RoHS3	MSL
MCR03EZPFX3162	Rohm Semiconductor	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Discontinued	Yes	1
CRCW060331K6FKEA	Vishay Dale	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1
ERJ-3EKF3162V	Panasonic Electronic Components	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1
RMCF0603FT31K6	Stackpole Electronics Inc	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1
CR0603-FX-3162ELF	Bourns Inc.	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1
ERJ-S03F3162V	Panasonic Electronic Components	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1
RC0603FR-0731K6L	YAGEO	31.6 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Active	Yes	1

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical specifications of the MCR03EZPFX3162. Selection should be based on the following factors:

Product Status: The original MCR03EZPFX3162 is discontinued. All substitute parts listed are in active production status, ensuring long-term availability for current and future procurement.

Compliance & Certifications: All substitute parts maintain ROHS3 compliance and MSL rating of 1 (Unlimited), matching the original part's environmental and handling requirements.

Automotive Rating: CRCW060331K6FKEA (Vishay Dale), ERJ-3EKF3162V (Panasonic), ERJ-S03F3162V (Panasonic), and RMCF0603FT31K6 (Stackpole) carry explicit AEC-Q200 automotive qualification. CR0603-FX-3162ELF (Bourns) and RC0603FR-0731K6L (YAGEO) do not list AEC-Q200 rating but meet all electrical specifications.

Feature Differentiation: ERJ-S03F3162V includes anti-sulfur coating. CR0603-FX-3162ELF and RC0603FR-0731K6L feature moisture-resistant construction. These enhancements do not conflict with the original specification.

Inventory Availability: RMCF0603FT31K6 (Stackpole) offers the highest inventory level at 933,776 pieces. ERJ-3EKF3162V (Panasonic) provides 84,594 pieces. CRCW060331K6FKEA (Vishay Dale) offers 23,712 pieces.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for MCR03EZPFX3162?

A: Yes. All listed parts meet the electrical specifications (31.6 kΩ ±1%, 0.1W) and package requirements (0603 Metric) of the original part. Physical dimensions and thermal characteristics are equivalent within manufacturing tolerances.

Q: Does the dimensional difference between parts affect PCB assembly?

A: No. All parts use the 0603 (1608 Metric) package standard. Dimensional variations (length 1.55mm to 1.60mm, height 0.50mm to 0.55mm) fall within standard PCB footprint tolerances and do not require design changes.

Q: Which substitute should I choose for automotive applications?

A: For applications requiring explicit AEC-Q200 qualification, select CRCW060331K6FKEA, ERJ-3EKF3162V, ERJ-S03F3162V, or RMCF0603FT31K6. These parts carry automotive certification matching the original MCR03EZPFX3162.

Q: Are there any feature differences I should consider?

A: ERJ-S03F3162V includes anti-sulfur treatment for enhanced corrosion resistance. CR0603-FX-3162ELF and RC0603FR-0731K6L feature moisture-resistant construction. These are enhancements that do not conflict with the original specification and may provide additional reliability in specific environments.

Q: What is the difference between "Direct" and "Similar" substitute classifications?

A: Direct substitutes maintain all specifications including automotive AEC-Q200 rating. Similar substitutes meet all core electrical and package requirements but may lack explicit automotive certification or include additional protective features not present in the original part.

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

A: Yes. All parts meet identical electrical specifications, tolerance, power rating, and package requirements. Mixing is acceptable from an electrical and mechanical standpoint. Verify with your quality and procurement procedures for any internal part standardization requirements.

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