MCR03EZPFX1601 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1601 is a 1.6 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 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	1.6 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
Automotive Rating	AEC-Q200
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX1601 is determined by strict equivalence across the following parameters:

Resistance value: 1.6 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
RoHS compliance: ROHS3 Compliant
Moisture sensitivity: MSL 1

Substitute parts are categorized as follows:

Direct Substitutes meet all electrical and mechanical parameters with identical or equivalent physical dimensions and automotive certification status.

Similar Substitutes meet all core electrical specifications and package requirements but may have minor dimensional variations or alternative feature sets (such as moisture-resistant composition) that do not affect functional compatibility in standard applications.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff (ppm/°C)	Operating Temp (°C)	AEC-Q200	Product Status	Inventory (Pcs)
MCR03EZPFX1601	Rohm Semiconductor	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Discontinued	983
CRCW06031K60FKEA	Vishay Dale	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	25293
ERJ-3EKF1601V	Panasonic Electronic Components	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	103885
RMCF0603FT1K60	Stackpole Electronics Inc	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	53662
AC0603FR-071K6L	YAGEO	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	Yes	Active	9601
CR0603-FX-1601ELF	Bourns Inc.	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	58811
RC0603FR-071K6L	YAGEO	1.6 kOhms	±1%	0.1	0603	±100	-55 ~ 155	No	Active	5200

Engineering Selection Recommendations

Direct Substitutes (Recommended Priority Order)

ERJ-3EKF1601V (Panasonic Electronic Components) – Active product status with highest inventory availability (103,885 pcs). Meets all electrical specifications, AEC-Q200 automotive rating, and dimensional requirements. Supplied in Tape & Reel packaging.
RMCF0603FT1K60 (Stackpole Electronics Inc) – Active product with substantial inventory (53,662 pcs). Fully equivalent electrical and mechanical specifications with AEC-Q200 certification. Supplied in Tape & Reel packaging.
CRCW06031K60FKEA (Vishay Dale) – Active product with strong inventory (25,293 pcs). Meets all core specifications with AEC-Q200 rating. Available in Cut Tape and Digi-Reel packaging options.

Similar Substitutes (Alternative Options)

AC0603FR-071K6L (YAGEO) – Active product with AEC-Q200 certification and moisture-resistant composition. All electrical parameters match. Inventory: 9,601 pcs.
CR0603-FX-1601ELF (Bourns Inc.) – Active product with moisture-resistant composition. Lacks explicit AEC-Q200 designation but meets all electrical and thermal specifications. Highest inventory availability among similar substitutes (58,811 pcs).
RC0603FR-071K6L (YAGEO) – Active product with moisture-resistant composition. Meets electrical specifications but lacks AEC-Q200 certification. Lower inventory (5,200 pcs).

For automotive applications requiring AEC-Q200 compliance, prioritize direct substitutes. For non-automotive or less stringent applications, similar substitutes provide functional equivalence with alternative feature sets.

Frequently Asked Questions (FAQ)

Q: Can I use any of these substitute parts as a direct replacement for MCR03EZPFX1601?

A: Direct substitutes (ERJ-3EKF1601V, RMCF0603FT1K60, CRCW06031K60FKEA) are fully equivalent and can be used interchangeably. Similar substitutes (AC0603FR-071K6L, CR0603-FX-1601ELF, RC0603FR-071K6L) are functionally compatible but lack AEC-Q200 automotive certification. Selection depends on application requirements.

Q: What is the significance of AEC-Q200 rating?

A: AEC-Q200 is an automotive electronics qualification standard. Parts with this rating have undergone reliability testing for automotive environments. For automotive applications, use only AEC-Q200 certified substitutes.

Q: Are there dimensional differences between these parts?

A: All parts use the 0603 (1608 Metric) package. Minor dimensional variations exist within tolerance: 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 height from 0.020" to 0.022" (0.50mm to 0.55mm). These variations do not affect PCB layout or assembly compatibility.

Q: What packaging options are available?

A: Substitute parts are supplied in Tape & Reel (TR) or Cut Tape (CT) with Digi-Reel options. Select based on production volume and assembly equipment compatibility.

Q: Do all substitutes have the same moisture sensitivity level?

A: Yes, all listed substitutes have MSL 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute has the best inventory availability?

A: ERJ-3EKF1601V (Panasonic) offers the highest inventory at 103,885 pcs, followed by CR0603-FX-1601ELF (Bourns) at 58,811 pcs.

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