MCR03EZPFX1690 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX1690 is a 169 Ohms ±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, necessitating identification of equivalent alternatives that maintain identical electrical and mechanical specifications for seamless integration into existing designs.

Key Parameters

Parameter	Specification
Resistance Value	169 Ohms
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 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 critical parameters: resistance value (169 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). All substitute parts listed maintain these specifications. Parts are grouped into two categories based on feature alignment: Direct Substitutes maintain full AEC-Q200 automotive qualification; Similar Substitutes provide equivalent electrical and mechanical performance with moisture-resistant features but without explicit AEC-Q200 rating.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power	Package	Temp Coeff	Operating Temp	AEC-Q200	Features	Product Status
MCR03EZPFX1690	Rohm Semiconductor	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Automotive AEC-Q200	Discontinued
CRCW0603169RFKEA	Vishay Dale	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Automotive AEC-Q200	Active
ERJ-3EKF1690V	Panasonic Electronic Components	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Automotive AEC-Q200	Active
RMCF0603FT169R	Stackpole Electronics Inc	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Automotive AEC-Q200	Active
CR0603-FX-1690ELF	Bourns Inc.	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	No	Moisture Resistant	Active
RC0603FR-07169RL	YAGEO	169 Ω	±1%	0.1W	0603	±100ppm/°C	-55°C ~ 155°C	No	Moisture Resistant	Active

Engineering Selection Recommendations

For applications requiring strict automotive qualification compliance, CRCW0603169RFKEA (Vishay Dale), ERJ-3EKF1690V (Panasonic), and RMCF0603FT169R (Stackpole Electronics) are direct equivalents with active product status and full AEC-Q200 certification. All three maintain identical electrical specifications and package dimensions to the original MCR03EZPFX1690.

For non-automotive or general industrial applications where AEC-Q200 certification is not mandatory, CR0603-FX-1690ELF (Bourns) and RC0603FR-07169RL (YAGEO) provide equivalent electrical performance with moisture-resistant characteristics and active availability. These parts maintain the same resistance, tolerance, power rating, package, and operating temperature range.

All substitute parts are ROHS3 compliant with MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can I use CR0603-FX-1690ELF or RC0603FR-07169RL as direct replacements in automotive applications?

A: CR0603-FX-1690ELF and RC0603FR-07169RL are not rated for AEC-Q200 automotive qualification. Use these only in non-automotive applications. For automotive designs, select CRCW0603169RFKEA, ERJ-3EKF1690V, or RMCF0603FT169R.

Q: Are all substitute parts physically compatible with the original MCR03EZPFX1690 footprint?

A: All substitute parts use the 0603 (1608 Metric) package. Physical dimensions vary slightly between manufacturers (length ranges 0.061" to 0.063", height ranges 0.020" to 0.022"), but all fit standard 0603 PCB pads without modification.

Q: What is the difference between Direct Substitutes and Similar Substitutes?

A: Direct Substitutes (Vishay Dale, Panasonic, Stackpole) carry AEC-Q200 automotive certification matching the original part's qualification level. Similar Substitutes (Bourns, YAGEO) provide equivalent electrical and mechanical specifications with moisture-resistant features but without automotive certification.

Q: Do all substitute parts have the same temperature coefficient?

A: Yes. All substitute parts maintain ±100ppm/°C temperature coefficient and -55°C to 155°C operating range, ensuring thermal performance equivalence.

Q: Are there any packaging format differences I should consider?

A: All substitute parts are supplied in Tape & Reel (TR) format. The original MCR03EZPFX1690 packaging format was not specified in the data provided. Confirm packaging requirements with your procurement process.

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