MCR03EZPFX3920 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX3920 is a 392 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, making equivalent substitutes necessary for ongoing production and maintenance applications.

Key Parameters

Parameter	Value
Resistance	392 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
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution for the MCR03EZPFX3920 is determined by strict equivalence across the following parameters: resistance value (392 Ohms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and environmental compliance (ROHS3, MSL 1). Parts are classified as direct substitutes when all parameters match exactly. Parts are classified as similar substitutes when all electrical and mechanical parameters match but differ in specific features or product status.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Composition	Temp Coeff	Operating Temp	Features	Product Status	RoHS	MSL
MCR03EZPFX3920	Rohm Semiconductor	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Discontinued	ROHS3	1
MCR03ERTF3920	Rohm Semiconductor	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	—	Discontinued	ROHS3	1
ERJ-3EKF3920V	Panasonic Electronic Components	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	ROHS3	1
RMCF0603FT392R	Stackpole Electronics Inc	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Automotive AEC-Q200	Active	ROHS3	1
CR0603-FX-3920ELF	Bourns Inc.	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1
RC0603FR-07392RL	YAGEO	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1
RC1608F3920CS	Samsung Electro-Mechanics	392 Ω	±1%	0.1	0603	Thick Film	±100ppm/°C	-55°C ~ 155°C	Moisture Resistant	Active	ROHS3	1

Engineering Selection Recommendations

All listed substitute parts meet the core electrical and mechanical specifications of the MCR03EZPFX3920. Selection should prioritize parts with active product status for long-term availability and supply chain stability.

For automotive applications requiring AEC-Q200 certification, ERJ-3EKF3920V (Panasonic) and RMCF0603FT392R (Stackpole) are direct functional equivalents with active status. Both maintain the same resistance, tolerance, power rating, package, temperature coefficient, and operating temperature range as the original part.

For general-purpose applications where AEC-Q200 certification is not mandatory, CR0603-FX-3920ELF (Bourns), RC0603FR-07392RL (YAGEO), and RC1608F3920CS (Samsung Electro-Mechanics) provide equivalent electrical performance with moisture-resistant features and active product status. All substitute parts are ROHS3 compliant with MSL 1 rating, matching the environmental compliance of the original component.

MCR03ERTF3920 (Rohm Semiconductor) is a direct electrical equivalent but shares discontinued status with the original part, limiting its suitability for new designs requiring long-term component availability.

Frequently Asked Questions (FAQ)

Q: Can I use ERJ-3EKF3920V as a direct replacement for MCR03EZPFX3920?

A: Yes. Both parts share identical electrical specifications (392 Ohms ±1%, 0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and AEC-Q200 automotive rating. ERJ-3EKF3920V has active product status, making it suitable for production use.

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

A: Direct substitutes match all electrical and mechanical parameters including automotive certification features. Similar substitutes match all core electrical and mechanical parameters but may differ in specific features such as moisture resistance or automotive ratings. All listed parts are electrically and mechanically compatible with the original MCR03EZPFX3920.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level, matching the environmental compliance profile of the MCR03EZPFX3920.

Q: Does package dimension variation affect substitutability?

A: All parts use the 0603 (1608 Metric) package with maximum seated height of 0.022" (0.55mm). Minor length variations (0.061" to 0.063") are within standard 0603 package tolerances and do not affect PCB footprint compatibility or circuit performance.

Q: Which substitute offers the best long-term availability?

A: RC0603FR-07392RL (YAGEO) has the highest inventory level (356,795 pcs) with active product status, providing strong supply chain continuity. ERJ-3EKF3920V (Panasonic) and RMCF0603FT392R (Stackpole) also maintain active status with substantial inventory levels.

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