MCR03EZPFX34R8 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX34R8 is a 34.8 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	34.8 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 ~ 155°C
Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitution eligibility for the MCR03EZPFX34R8 is determined by strict equivalence across the following parameters:

Resistance value: 34.8 Ohms
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
Number of terminations: 2
RoHS compliance: ROHS3 Compliant
Moisture sensitivity level: 1 (Unlimited)

All substitute parts listed meet these electrical and mechanical specifications. Automotive AEC-Q200 rating is present on the main part and most substitutes, indicating suitability for automotive applications where required.

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op. Temp Range	AEC-Q200	Product Status
MCR03EZPFX34R8	Rohm Semiconductor	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Discontinued
MCR03ERTF34R8	Rohm Semiconductor	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Discontinued
CRCW060334R8FKEA	Vishay Dale	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
ERJ-3EKF34R8V	Panasonic Electronic Components	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
RMCF0603FT34R8	Stackpole Electronics Inc	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	Yes	Active
RC0603FR-0734R8L	YAGEO	34.8 Ω	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	No	Active

Engineering Selection Recommendations

For applications requiring AEC-Q200 automotive qualification, select from CRCW060334R8FKEA (Vishay Dale), ERJ-3EKF34R8V (Panasonic Electronic Components), or RMCF0603FT34R8 (Stackpole Electronics Inc). All three maintain active product status with established supply availability.

ERJ-3EKF34R8V offers the highest inventory level (108,141 pcs) among active AEC-Q200 qualified alternatives, providing supply chain stability. CRCW060334R8FKEA (Vishay Dale) provides the second-highest inventory (18,471 pcs) with active status. RMCF0603FT34R8 (Stackpole Electronics Inc) maintains active status with 1,372 pcs in stock.

MCR03ERTF34R8 (Rohm Semiconductor) is also discontinued but remains available in inventory (1,798 pcs). RC0603FR-0734R8L (YAGEO) is active with 1,956 pcs available but lacks AEC-Q200 certification, featuring moisture-resistant composition instead.

All listed substitutes maintain identical electrical specifications, RoHS3 compliance, and MSL 1 rating, ensuring direct functional equivalence within the specified parameter set.

Frequently Asked Questions (FAQ)

Q: Can MCR03ERTF34R8 replace MCR03EZPFX34R8 in automotive applications?

A: MCR03ERTF34R8 matches all electrical and mechanical parameters but lacks AEC-Q200 automotive certification. Use only if automotive qualification is not required for your application.

Q: What is the primary difference between CRCW060334R8FKEA and ERJ-3EKF34R8V?

A: Both are AEC-Q200 qualified with identical electrical specifications. Differences exist only in physical dimensions (CRCW: 1.55mm L x 0.85mm W vs ERJ-3EK: 1.60mm L x 0.80mm W) and height (CRCW: 0.50mm max vs ERJ-3EK: 0.55mm max). Select based on PCB layout constraints.

Q: Is RC0603FR-0734R8L suitable for automotive applications?

A: RC0603FR-0734R8L lacks AEC-Q200 certification and features moisture-resistant composition rather than automotive-grade thick film. It is electrically equivalent but not qualified for automotive use.

Q: Are all substitutes available in the same packaging formats?

A: Packaging formats vary. MCR03EZPFX34R8 and MCR03ERTF34R8 are available in Cut Tape and Digi-Reel formats. CRCW060334R8FKEA, ERJ-3EKF34R8V, RMCF0603FT34R8, and RC0603FR-0734R8L are supplied in Tape & Reel format. Confirm packaging requirements with your procurement process.

Q: Can I use RC0603FR-0734R8L as a direct substitute in existing designs?

A: RC0603FR-0734R8L is electrically and mechanically equivalent within the specified parameters. However, it lacks AEC-Q200 certification. Use only if your application does not require automotive qualification.

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