RC3216F6811CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F6811CS is a 6.81 kOhms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part is ROHS3 compliant and carries MSL Level 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when alternative manufacturers offer components with matching electrical specifications, mechanical dimensions, and compliance certifications. This reference enables procurement flexibility, supply chain continuity, and design validation across multiple qualified sources.

Key Parameters

Parameter	Value	Substitution Relevance
Resistance Value	6.81 kOhms	Must match exactly
Tolerance	±1%	Must match exactly
Power Rating	0.25W (1/4W)	Must match or exceed
Package / Case	1206 (3216 Metric)	Must match for PCB compatibility
Composition	Thick Film	Determines electrical characteristics
Temperature Coefficient	±100ppm/°C	Must match for temperature stability
Operating Temperature Range	-55°C ~ 155°C	Must match or exceed
RoHS Status	ROHS3 Compliant	Regulatory requirement
Moisture Sensitivity Level	MSL 1 (Unlimited)	Handling and storage requirement

Substitute Part Grouping Explanation

Substitution logic is based on strict electrical and mechanical parameter matching. All substitute parts identified in this reference maintain the following core criteria:

Mandatory Matching Parameters:

Resistance: 6.81 kOhms
Tolerance: ±1%
Package: 1206 (3216 Metric)
Composition: Thick Film
Temperature Coefficient: ±100ppm/°C
Operating Temperature: -55°C ~ 155°C
RoHS3 Compliance
MSL Level 1

Power Rating Consideration: Substitute parts are grouped into two categories based on power rating:

Direct Equivalents (0.25W): CR1206-FX-6811ELF, ERJ-8ENF6811V, RC1206FR-076K81L, RMCF1206FT6K81, CRCW12066K81FKEA
Higher Power Rating (0.75W): CRCW12066K12FKEAHP (suitable for applications requiring additional power dissipation margin)

Packaging Format Variations: Substitute parts are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel® formats. Packaging selection depends on assembly process requirements and does not affect electrical performance.

Parameter Comparison

Manufacturer Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Temp Coeff	Op Temp Range	Package	Height Max (mm)	Product Status	Packaging
RC3216F6811CS	Samsung Electro-Mechanics	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.65	Active	-
CR1206-FX-6811ELF	Bourns Inc.	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.75	Active	Tape & Reel
ERJ-8ENF6811V	Panasonic Electronic Components	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.70	Not For New Designs	Tape & Reel
RC1206FR-076K81L	YAGEO	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.65	Active	Cut Tape & Digi-Reel
RMCF1206FT6K81	Stackpole Electronics Inc	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.70	Active	Cut Tape & Digi-Reel
CRCW12066K81FKEA	Vishay Dale	6.81 kΩ	±1%	0.25	±100ppm/°C	-55 ~ 155°C	1206	0.60	Active	Tape & Reel
CRCW12066K81FKEAHP	Vishay Dale	6.81 kΩ	±1%	0.75	±100ppm/°C	-55 ~ 155°C	1206	0.65	Active	Tape & Reel

Engineering Selection Recommendations

Primary Substitutes (Active Status, Direct 0.25W Equivalents):

CR1206-FX-6811ELF (Bourns Inc.), RC1206FR-076K81L (YAGEO), RMCF1206FT6K81 (Stackpole Electronics Inc), and CRCW12066K81FKEA (Vishay Dale) are all Active product status components with identical electrical specifications and ROHS3 compliance. These parts are suitable for direct substitution in new designs and production applications.

Secondary Substitute (Legacy Status):

ERJ-8ENF6811V (Panasonic Electronic Components) carries "Not For New Designs" product status. This part maintains full electrical and mechanical compatibility but is designated for legacy system support and repair applications only. New design implementations should prioritize Active status alternatives.

Higher Power Rating Option:

CRCW12066K81FKEAHP (Vishay Dale) provides 0.75W power rating in the same 1206 package. This component is suitable for applications requiring additional thermal margin or pulse withstanding capability while maintaining all other electrical parameters.

Compliance and Certifications:

All identified substitutes maintain ROHS3 compliance, MSL Level 1 rating, and REACH Unaffected status. Automotive-qualified variants (ERJ-8ENF6811V, RMCF1206FT6K81, CRCW12066K81FKEA, CRCW12066K81FKEAHP) carry AEC-Q200 certification for automotive applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF6811V be used in new product designs?

A: ERJ-8ENF6811V carries "Not For New Designs" product status. While electrically and mechanically compatible, this part is designated for legacy system support. New designs should utilize Active status alternatives: CR1206-FX-6811ELF, RC1206FR-076K81L, RMCF1206FT6K81, or CRCW12066K81FKEA.

Q: What is the difference between 0.25W and 0.75W power ratings?

A: Power rating indicates maximum continuous power dissipation capability. The 0.25W rating (standard) is suitable for typical signal-level applications. The 0.75W variant (CRCW12066K81FKEAHP) provides three times greater power dissipation capacity for high-current or high-temperature environments. Both maintain identical resistance, tolerance, and temperature coefficient specifications.

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

A: Substitute parts are available in two packaging formats: Tape & Reel (TR) for automated assembly and Cut Tape (CT) & Digi-Reel® for manual or mixed-mode assembly. Packaging format does not affect electrical performance. Selection depends on assembly process requirements and inventory management practices.

Q: Do height differences affect PCB layout compatibility?

A: All substitute parts are specified for 1206 (3216 Metric) package with maximum seated heights ranging from 0.60mm to 0.75mm. These variations fall within standard PCB design tolerances for 1206 components. Height differences do not affect electrical performance or standard PCB layout compatibility.

Q: Which substitute parts carry automotive qualification?

A: ERJ-8ENF6811V, RMCF1206FT6K81, CRCW12066K81FKEA, and CRCW12066K81FKEAHP all carry AEC-Q200 automotive qualification. These parts are suitable for automotive applications requiring industry-standard reliability and qualification documentation.

Q: Can substitute parts be mixed in the same production batch?

A: All identified substitute parts maintain identical electrical specifications (6.81 kΩ ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C). Parts are electrically interchangeable within these parameters. Mixing different manufacturers in production is permissible when design documentation specifies equivalent part acceptance criteria and procurement controls are established.

Q: What is MSL Level 1 and why does it matter?

A: MSL (Moisture Sensitivity Level) 1 indicates Unlimited shelf life with no moisture bake-out requirement. All identified parts carry MSL 1 rating, eliminating moisture-related handling restrictions and simplifying inventory management compared to higher MSL components.

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