RC3216F6R81CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F6R81CS is a 6.81 Ohm ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package configuration. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the original component requirements, enabling direct replacement in circuit applications without functional degradation.

Substiute Parts

RC3216F6R81CS

Samsung Electro-MechanicsIn Stock: 1002RC3216F6R81CS Datasheet

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RC1206FR-076R81L

YAGEOIn Stock: 5794RC1206FR-076R81L Datasheet

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RMCF1206FT6R81

Stackpole Electronics IncIn Stock: 9399RMCF1206FT6R81 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3216F6R81CS are qualified based on the following criteria:

Electrical Equivalence: Resistance value of 6.81 Ohms with ±1% tolerance and 0.25W power rating must be maintained across all substitute candidates.

Mechanical Compatibility: Package designation of 1206 (3216 Metric) with matching termination count (2 terminations) ensures physical interchangeability on printed circuit boards.

Environmental Ratings: Operating temperature range of -55°C ~ 155°C and Moisture Sensitivity Level 1 (Unlimited) must be preserved or exceeded.

Composition & Features: Thick film construction is required. Moisture resistant characteristics are maintained across all qualified substitutes.

Compliance Standards: ROHS3 compliance, REACH Unaffected status, and EAR99 ECCN classification are consistent across all parts.

Temperature Coefficient Consideration: The main part specifies ±300ppm/°C while substitute parts specify ±200ppm/°C. The lower temperature coefficient of substitute parts represents improved thermal stability and is acceptable for direct substitution.

Parameter Comparison

Engineering Selection Recommendations

RC1206FR-076R81L (YAGEO): This substitute maintains full electrical and mechanical equivalence to the RC3216F6R81CS. The improved temperature coefficient of ±200ppm/°C provides enhanced thermal stability. ROHS3 compliance and REACH Unaffected status align with regulatory requirements. Tape & Reel packaging format supports automated assembly processes. This part is suitable for general industrial and commercial applications requiring direct substitution.

RMCF1206FT6R81 (Stackpole Electronics Inc): This substitute provides equivalent electrical specifications with the additional qualification of AEC-Q200 automotive standard compliance. The ±200ppm/°C temperature coefficient matches the YAGEO alternative. Tape & Reel packaging supports high-volume production. This part is designated for automotive and mission-critical applications where AEC-Q200 qualification is required or preferred. The slightly increased seated height of 0.028" (0.70mm) versus 0.026" (0.65mm) remains within acceptable mechanical tolerances for 1206 package specifications.

Both substitute parts are Active status components with confirmed inventory availability, supporting immediate procurement and deployment.

Frequently Asked Questions (FAQ)

Q: Can RC1206FR-076R81L replace RC3216F6R81CS in any application?

A: Yes. Both parts share identical electrical specifications (6.81 Ohms ±1%, 0.25W), identical package designation (1206/3216 Metric), and equivalent environmental ratings (-55°C ~ 155°C, MSL 1). The improved temperature coefficient of the YAGEO part (±200ppm/°C versus ±300ppm/°C) represents enhanced performance. Direct substitution is electrically and mechanically valid.

Q: What is the difference between the two substitute parts?

A: RC1206FR-076R81L (YAGEO) is a standard industrial-grade thick film resistor. RMCF1206FT6R81 (Stackpole) carries AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. Both share identical electrical parameters and operating temperature ranges. Selection depends on application requirements: general industrial applications support either part; automotive applications require the AEC-Q200 qualified RMCF part.

Q: Does the temperature coefficient difference affect substitution compatibility?

A: No. The substitute parts feature ±200ppm/°C temperature coefficient compared to the main part's ±300ppm/°C. A lower temperature coefficient indicates reduced resistance variation across temperature extremes, representing improved performance. This is acceptable for direct substitution in all applications where the original part was specified.

Q: Are packaging format differences significant?

A: The RC3216F6R81CS is supplied in bulk packaging, while both substitutes are supplied in Tape & Reel (TR) format. This difference affects procurement and assembly processes but does not impact electrical or mechanical compatibility. Tape & Reel format supports automated pick-and-place assembly, which may provide manufacturing advantages.

Q: Do dimensional variations between parts affect PCB layout?

A: Dimensional variations are minimal and within 1206 package tolerance specifications. RC3216F6R81CS and RC1206FR-076R81L share identical length (0.126" / 3.20mm and 0.122" / 3.10mm respectively) and width (0.063" / 1.60mm). RMCF1206FT6R81 matches the Samsung part at 0.126" x 0.063". Seated height variations (0.026" to 0.028") are negligible for standard PCB assembly. No PCB layout modifications are required.

Q: Are all parts ROHS3 compliant?

A: Yes. RC3216F6R81CS, RC1206FR-076R81L, and RMCF1206FT6R81 are all ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory standards for electronic component manufacturing and distribution.