MCR03EZPFX6811 Equivalent & Substitute Parts

Part Overview

The MCR03EZPFX6811 is a 6.81 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, necessitating identification of functionally equivalent alternatives from active product lines that maintain identical electrical and mechanical specifications.

Key Parameters

Parameter	Specification
Resistance Value	6.81 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 to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the MCR03EZPFX6811 are qualified based on strict equivalence across the following parameters: resistance value (6.81 kOhms), tolerance (±1%), power rating (0.1W), package type (0603 / 1608 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), RoHS compliance (ROHS3), and moisture sensitivity level (MSL 1). All identified substitutes maintain these core electrical and mechanical specifications. Variations in packaging format (Cut Tape, Tape & Reel, Digi-Reel) and feature sets (Automotive AEC-Q200, Anti-Sulfur, Moisture Resistant) do not affect functional equivalence when these primary parameters are matched.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	RoHS	MSL	Product Status
MCR03EZPFX6811	Rohm Semiconductor	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Discontinued
TRR03EZPF6811	Rohm Semiconductor	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Obsolete
CRCW06036K81FKEA	Vishay Dale	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
ERJ-3EKF6811V	Panasonic Electronic Components	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RMCF0603FT6K81	Stackpole Electronics Inc	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
CR0603-FX-6811ELF	Bourns Inc.	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC0603FR-076K81L	YAGEO	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active
RC1608F6811CS	Samsung Electro-Mechanics	6.81 kΩ	±1%	0.1	0603	±100ppm/°C	-55°C ~ 155°C	ROHS3	1	Active

Engineering Selection Recommendations

For direct replacement of the discontinued MCR03EZPFX6811, select from active product status alternatives: CRCW06036K81FKEA (Vishay Dale), ERJ-3EKF6811V (Panasonic Electronic Components), RMCF0603FT6K81 (Stackpole Electronics Inc), CR0603-FX-6811ELF (Bourns Inc.), RC0603FR-076K81L (YAGEO), or RC1608F6811CS (Samsung Electro-Mechanics). All maintain identical electrical specifications and ROHS3 compliance. Selection among active alternatives may be based on packaging format availability (Cut Tape, Tape & Reel, Digi-Reel), supply chain considerations, and feature alignment (Automotive AEC-Q200 certification available in CRCW06036K81FKEA, ERJ-3EKF6811V, and RMCF0603FT6K81). The TRR03EZPF6811 from Rohm Semiconductor, while electrically equivalent, carries obsolete status and should not be considered for new designs.

Frequently Asked Questions (FAQ)

Q: Can any of these substitute parts be used interchangeably with the MCR03EZPFX6811?

A: Yes. All listed active status parts (CRCW06036K81FKEA, ERJ-3EKF6811V, RMCF0603FT6K81, CR0603-FX-6811ELF, RC0603FR-076K81L, RC1608F6811CS) are electrically and mechanically equivalent. They share identical resistance value, tolerance, power rating, package dimensions, temperature coefficient, and operating temperature range.

Q: What is the difference between the packaging options listed?

A: Packaging format refers to the supply method: Cut Tape (CT) is suitable for automated pick-and-place equipment with individual reel handling; Tape & Reel (TR) provides continuous reel format for high-volume production; Digi-Reel is a proprietary format. All formats contain the same component with identical specifications.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All substitute parts listed carry ROHS3 compliance status, matching the original MCR03EZPFX6811 specification.

Q: Does the Automotive AEC-Q200 rating affect substitution?

A: The MCR03EZPFX6811 carries AEC-Q200 automotive qualification. Among substitutes, CRCW06036K81FKEA, ERJ-3EKF6811V, and RMCF0603FT6K81 also carry AEC-Q200 rating. CR0603-FX-6811ELF, RC0603FR-076K81L, and RC1608F6811CS carry moisture resistant features instead. Selection depends on application requirements for automotive qualification.

Q: What is Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts maintain MSL 1 specification, ensuring no special storage or handling procedures are necessary.

Q: Can the TRR03EZPF6811 be used as a substitute?

A: The TRR03EZPF6811 is electrically equivalent but carries obsolete product status. For new designs and ongoing production, active status alternatives are recommended to ensure long-term supply availability.

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