RC2012F6811CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F6811CS is a 6.81 kOhms ±1% 0.125W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with moisture-resistant characteristics and operates across the temperature range of -55°C to 155°C. The part is supplied in Tape & Reel packaging and complies with ROHS3 and REACH Unaffected standards.

Equivalent and substitute parts are necessary when the primary part becomes unavailable due to supply constraints, inventory depletion, or manufacturing discontinuation. This reference provides direct and similar substitutes that maintain electrical and mechanical compatibility within the specified parameter tolerances.

Key Parameters

Parameter	Value	Criticality for Substitution
Resistance Value	6.81 kOhms	Critical - Must match exactly
Tolerance	±1%	Critical - Defines circuit accuracy
Power Rating	0.125W (1/8W)	Critical - Thermal performance requirement
Package / Case	0805 (2012 Metric)	Critical - PCB footprint compatibility
Composition	Thick Film	Important - Electrical characteristics
Temperature Coefficient	±100ppm/°C	Important - Stability specification
Operating Temperature Range	-55°C ~ 155°C	Important - Environmental compatibility
Moisture Sensitivity Level	MSL 1 (Unlimited)	Important - Handling and storage
RoHS Status	ROHS3 Compliant	Important - Regulatory compliance

Substitute Part Grouping Explanation

Substitution logic for the RC2012F6811CS is based on strict electrical and mechanical parameter matching. All substitute parts must satisfy the following criteria:

Mandatory Matching Parameters:

Resistance: 6.81 kOhms (exact value)
Tolerance: ±1%
Power Rating: 0.125W (1/8W)
Package: 0805 (2012 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C ~ 155°C
Moisture Sensitivity Level: MSL 1 (Unlimited)

Substitution Categories:

Direct Substitutes maintain all electrical and mechanical parameters with identical or superior specifications:

CR0805-FX-6811ELF (Bourns Inc.)
ERJ-6ENF6811V (Panasonic Electronic Components)
KTR10EZPF6811 (Rohm Semiconductor)
RC0805FR-076K81L (YAGEO)
RMCF0805FT6K81 (Stackpole Electronics Inc)

Similar Substitutes match all critical parameters but include additional features or certifications:

AC0805FR-076K81L (YAGEO) - Adds AEC-Q200 automotive rating
CRCW08056K81FKEA (Vishay Dale) - Adds AEC-Q200 automotive rating
CRCW08056K81FKTA (Vishay Dale) - Adds AEC-Q200 automotive rating
MCR10ERTF6811 (Rohm Semiconductor) - Discontinued status
RCS08056K81FKEA (Vishay Dale) - Higher power rating (0.5W instead of 0.125W)

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	RoHS Status	Product Status
RC2012F6811CS	Samsung Electro-Mechanics	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	ROHS3	Active
CR0805-FX-6811ELF	Bourns Inc.	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	ROHS3	Active
ERJ-6ENF6811V	Panasonic Electronic Components	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.70	ROHS3	Active
KTR10EZPF6811	Rohm Semiconductor	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	ROHS3	Active
RC0805FR-076K81L	YAGEO	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	ROHS3	Active
RMCF0805FT6K81	Stackpole Electronics Inc	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	ROHS3	Active
AC0805FR-076K81L	YAGEO	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.60	ROHS3	Active
CRCW08056K81FKEA	Vishay Dale	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	ROHS3	Active
CRCW08056K81FKTA	Vishay Dale	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.50	Non-compliant	Active
MCR10ERTF6811	Rohm Semiconductor	6.81 kΩ	±1%	0.125	0805	±100ppm/°C	-55 to 155°C	0.65	ROHS3	Discontinued
RCS08056K81FKEA	Vishay Dale	6.81 kΩ	±1%	0.5	0805	±100ppm/°C	-55 to 155°C	0.50	ROHS3	Active

Engineering Selection Recommendations

Preferred Direct Substitutes (Highest Compatibility):

RC0805FR-076K81L (YAGEO) and CR0805-FX-6811ELF (Bourns Inc.) are recommended as primary alternatives. Both parts maintain identical electrical specifications, ROHS3 compliance, and Active product status. These parts feature the lowest seated height (0.60mm), which may provide advantages in space-constrained applications.

Automotive-Rated Alternatives:

For applications requiring automotive qualification, AC0805FR-076K81L (YAGEO), CRCW08056K81FKEA (Vishay Dale), RMCF0805FT6K81 (Stackpole Electronics Inc), and KTR10EZPF6811 (Rohm Semiconductor) all carry AEC-Q200 certification. These parts satisfy both standard and automotive-grade requirements while maintaining all electrical parameters.

Compliance Considerations:

CRCW08056K81FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part is suitable only for applications where regulatory exemptions apply or legacy system maintenance is required.

Discontinued Parts:

MCR10ERTF6811 (Rohm Semiconductor) is discontinued at DiGi Electronics. While inventory remains available, long-term supply cannot be guaranteed. Selection of active alternatives is recommended for new designs.

Higher Power Rating Alternative:

RCS08056K81FKEA (Vishay Dale) provides 0.5W power rating compared to the standard 0.125W. This part is suitable only when higher power dissipation capacity is required and circuit design permits the substitution.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC0805FR-076K81L for RC2012F6811CS in my circuit?

A: Yes. RC0805FR-076K81L matches all critical electrical parameters: 6.81 kOhms ±1%, 0.125W power rating, 0805 package, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Both parts are ROHS3 compliant and Active status. The only difference is seated height (0.60mm vs 0.65mm), which is negligible for most applications.

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

A: Direct substitutes maintain identical specifications to the original part. Similar substitutes match all critical electrical and mechanical parameters but include additional features such as AEC-Q200 automotive certification or higher power ratings. Similar substitutes are fully compatible but may include capabilities not required by the original application.

Q: Can I use RCS08056K81FKEA as a substitute?

A: RCS08056K81FKEA is electrically compatible but has a higher power rating (0.5W vs 0.125W). This part is suitable only if your circuit design requires or permits higher power dissipation. The 0805 package and all other parameters remain identical. Verify that the higher power rating does not introduce unintended thermal or electrical behavior in your specific application.

Q: Are automotive-rated parts suitable for non-automotive applications?

A: Yes. Automotive-rated parts such as AC0805FR-076K81L and RMCF0805FT6K81 meet or exceed standard specifications and are fully compatible with non-automotive circuits. AEC-Q200 certification indicates additional qualification testing and reliability assurance, making these parts suitable for any application requiring the specified parameters.

Q: Why is CRCW08056K81FKTA marked as RoHS non-compliant?

A: CRCW08056K81FKTA is RoHS non-compliant and REACH Affected, indicating it does not meet current environmental and hazardous substance restrictions. This part is suitable only for applications with regulatory exemptions, legacy system maintenance, or specific geographic markets where restrictions do not apply. For new designs, select ROHS3 compliant alternatives.

Q: What is the significance of seated height differences?

A: Seated height variations (0.50mm to 0.70mm) reflect manufacturing tolerances and design differences between manufacturers. These differences are within acceptable limits for standard PCB assembly processes. Height differences become significant only in applications with strict vertical clearance constraints, such as stacked components or confined enclosures.

Q: Can I use ERJ-6ENF6811V in place of RC2012F6811CS?

A: Yes. ERJ-6ENF6811V is a direct substitute with identical electrical specifications and ROHS3 compliance. The part includes AEC-Q200 automotive certification, which is an additional qualification not present in the original part. Seated height is 0.70mm compared to 0.65mm, a negligible difference for most applications.

Q: Is MCR10ERTF6811 still available for new designs?

A: MCR10ERTF6811 is discontinued at DiGi Electronics, though inventory remains available. For new designs, selection of active alternatives such as RC0805FR-076K81L, CR0805-FX-6811ELF, or RMCF0805FT6K81 is recommended to ensure long-term supply continuity and manufacturing support.

Q: Do all substitute parts have the same moisture sensitivity level?

A: Yes. All listed substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level, identical to the original RC2012F6811CS. This classification indicates no moisture-related handling restrictions during storage or assembly.

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