RCS2012F682CS Equivalent & Substitute Parts

Part Overview

The RCS2012F682CS is a 6.8 kOhms ±1% 0.125W (1/8W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is classified as Active product status with anti-sulfur and moisture-resistant properties. The part is ROHS3 compliant and carries Moisture Sensitivity Level 1 (unlimited shelf life). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct circuit board compatibility and functional interchangeability.

Key Parameters

Parameter	Specification
Resistance Value	6.8 kOhms
Tolerance	±1%
Power Rating	0.125W (1/8W)
Package / Case	0805 (2012 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C ~ 155°C
Dimensions	0.079" L x 0.049" W (2.00mm x 1.25mm)
Number of Terminations	2
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F682CS are grouped based on strict electrical and mechanical parameter matching. The primary substitution criteria are:

Critical Parameters for Substitution:

Resistance value: 6.8 kOhms
Tolerance: ±1%
Package format: 0805 (2012 Metric)
Composition: Thick Film
Temperature coefficient: ±100ppm/°C
Operating temperature range: -55°C ~ 155°C
Number of terminations: 2
RoHS3 compliance
MSL rating: 1 (Unlimited)

Secondary Consideration:

Power rating: Parts rated at 0.125W (1/8W) are direct equivalents. Parts with higher power ratings (0.5W or 0.4W) are functional substitutes suitable for applications where increased power dissipation capability is acceptable or beneficial.

All identified substitute parts maintain identical resistance, tolerance, package dimensions, and environmental specifications. Variations in height (seated maximum) and manufacturer-specific features (such as automotive AEC-Q200 certification or pulse withstanding capability) do not affect functional interchangeability in standard circuit applications.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (Watts)	Package	Temp Coeff	Op Temp Range	Height Max (mm)	RoHS Status	MSL
RCS2012F682CS	Samsung Electro-Mechanics	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.66	ROHS3	1
AC0805FR-076K8L	YAGEO	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60	ROHS3	1
CRCW08056K80FKEA	Vishay Dale	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.50	ROHS3	1
CRCW08056K80FKEAHP	Vishay Dale	6.8 kΩ	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.60	ROHS3	1
ERJ-6ENF6801V	Panasonic Electronic Components	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.70	ROHS3	1
ERJ-UP6F6801V	Panasonic Electronic Components	6.8 kΩ	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.70	ROHS3	1
ESR10EZPF6801	Rohm Semiconductor	6.8 kΩ	±1%	0.4W	0805	±100ppm/°C	-55°C ~ 155°C	0.65	ROHS3	1
RC0805FR-076K8L	YAGEO	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.60	ROHS3	1
RCS08056K80FKEA	Vishay Dale	6.8 kΩ	±1%	0.5W	0805	±100ppm/°C	-55°C ~ 155°C	0.50	ROHS3	1
RMCF0805FT6K80	Stackpole Electronics Inc	6.8 kΩ	±1%	0.125W	0805	±100ppm/°C	-55°C ~ 155°C	0.65	ROHS3	1

Engineering Selection Recommendations

All substitute parts listed maintain full compatibility with the RCS2012F682CS based on electrical specifications, mechanical package dimensions, and regulatory compliance. Selection among equivalent parts should be based on the following criteria:

Direct Equivalents (0.125W Power Rating): AC0805FR-076K8L, CRCW08056K80FKEA, ERJ-6ENF6801V, RC0805FR-076K8L, and RMCF0805FT6K80 are direct functional equivalents with identical power ratings. These parts are suitable for one-to-one replacement in existing designs.

Higher Power Rating Substitutes (0.5W and 0.4W): CRCW08056K80FKEAHP, ERJ-UP6F6801V, ESR10EZPF6801, and RCS08056K80FKEA feature increased power dissipation ratings. These parts are functionally compatible and may be selected when circuit design allows for enhanced thermal performance or when component consolidation across multiple designs is desired.

Compliance and Certifications: All parts are ROHS3 compliant and carry MSL 1 rating. Parts designated with AEC-Q200 automotive certification (AC0805FR-076K8L, CRCW08056K80FKEA, CRCW08056K80FKEAHP, ERJ-6ENF6801V, ERJ-UP6F6801V, ESR10EZPF6801, RCS08056K80FKEA, RMCF0805FT6K80) meet automotive-grade reliability standards and are suitable for both commercial and automotive applications.

Packaging Considerations: The RCS2012F682CS is supplied in Tape & Reel (TR) format. RC0805FR-076K8L is supplied in Cut Tape (CT) & Digi-Reel® format. All other substitutes are supplied in Tape & Reel format, matching the original part's packaging specification.

Frequently Asked Questions (FAQ)

Q: Can I use a 0.5W rated resistor in place of the 0.125W RCS2012F682CS?

A: Yes. The 0.5W parts (CRCW08056K80FKEAHP, ERJ-UP6F6801V, RCS08056K80FKEA) are functionally compatible substitutes. Higher power ratings provide increased thermal margin and do not negatively affect circuit performance. The 0805 package dimensions remain identical, ensuring mechanical compatibility on the PCB.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates the part meets automotive-grade reliability and qualification standards. Parts without this designation are suitable for commercial applications. Both types are ROHS3 compliant and carry identical electrical specifications. Selection depends on application requirements and supply chain preferences.

Q: Are all substitute parts available in the same packaging format?

A: Most substitute parts are supplied in Tape & Reel (TR) format, matching the RCS2012F682CS. The exception is RC0805FR-076K8L, which is supplied in Cut Tape (CT) & Digi-Reel® format. Packaging format does not affect electrical or mechanical compatibility; it only impacts procurement and assembly logistics.

Q: Do height variations affect PCB assembly compatibility?

A: No. All parts maintain the 0805 (2012 Metric) package specification with maximum seated heights ranging from 0.50mm to 0.70mm. These variations are within standard PCB assembly tolerances and do not affect component placement, soldering, or functional performance.

Q: Can I mix different manufacturers' parts in the same design?

A: Yes. All listed substitute parts meet identical electrical specifications, tolerance, temperature coefficient, and operating temperature range. They are mechanically and functionally interchangeable. Multi-source qualification is common in production environments to ensure supply chain continuity.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 rating indicates unlimited shelf life under standard storage conditions (typically 23°C ± 2°C and 45% ± 5% relative humidity). No special moisture-control packaging or baking procedures are required before assembly, simplifying inventory management and reducing component preparation time.

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