RCS2012F6651CS Equivalent & Substitute Parts

Part Overview

The RCS2012F6651CS is a 6.65 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format with 0.125W power rating. This component is classified as Active product status with anti-sulfur and moisture-resistant construction. The part is ROHS3 compliant and carries MSL 1 (Unlimited) moisture sensitivity rating.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RCS2012F6651CS

Samsung Electro-MechanicsIn Stock: 695RCS2012F6651CS Datasheet

Current PartRFQ

CRCW08056K65FKEA

Vishay DaleIn Stock: 35996CRCW08056K65FKEA Datasheet

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ERJ-6ENF6651V

Panasonic Electronic ComponentsIn Stock: 74785ERJ-6ENF6651V Datasheet

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RC0805FR-076K65L

YAGEOIn Stock: 46552RC0805FR-076K65L Datasheet

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RMCF0805FT6K65

Stackpole Electronics IncIn Stock: 154975RMCF0805FT6K65 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F6651CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (6.65 kOhms), tolerance (±1%), and power rating (0.125W) must be identical. Temperature coefficient (±100ppm/°C) and operating temperature range (-55°C ~ 155°C) establish thermal performance boundaries.

Mechanical Compatibility: Package designation (0805 / 2012 Metric) and number of terminations (2) ensure physical fit and solderability on standard PCB layouts. Dimensional specifications (0.079" L x 0.049" W / 2.00mm x 1.25mm) confirm footprint compatibility.

Regulatory Compliance: All substitute parts must maintain ROHS3 compliance and MSL 1 rating to satisfy environmental and manufacturing process requirements.

Composition and Construction: Thick film composition ensures consistent electrical behavior and thermal stability across the operating range.

All four substitute parts listed meet these criteria and are therefore direct functional equivalents to the RCS2012F6651CS.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are Active status components with full ROHS3 compliance and MSL 1 rating, establishing baseline compatibility with the RCS2012F6651CS across standard industrial and commercial applications.

CRCW08056K65FKEA (Vishay Dale): Carries AEC-Q200 automotive qualification. Height-seated specification of 0.020" (0.50mm) represents the lowest profile among substitutes, suitable for space-constrained PCB layouts. Inventory availability of 35,919 units supports production requirements.

ERJ-6ENF6651V (Panasonic Electronic Components): Carries AEC-Q200 automotive qualification. Height-seated specification of 0.028" (0.70mm) represents the highest profile. Highest inventory availability at 74,749 units. Series designation ERJ-6EN indicates automotive-grade construction.

RC0805FR-076K65L (YAGEO): Moisture-resistant construction without automotive qualification. Height-seated specification of 0.024" (0.60mm) provides mid-range profile. Inventory availability of 46,509 units. Series designation RC_L indicates standard industrial-grade construction.

RMCF0805FT6K65 (Stackpole Electronics Inc): Carries AEC-Q200 automotive qualification. Height-seated specification of 0.026" (0.65mm) matches the original RCS2012F6651CS specification. Highest inventory availability at 154,887 units. Series designation RMCF indicates automotive-grade construction.

Selection between substitutes depends on application requirements: automotive-qualified designs should specify CRCW08056K65FKEA, ERJ-6ENF6651V, or RMCF0805FT6K65; space-constrained layouts may prioritize CRCW08056K65FKEA; standard industrial applications accept RC0805FR-076K65L.

Frequently Asked Questions (FAQ)

Q: Can CRCW08056K65FKEA replace RCS2012F6651CS in automotive applications?

A: Yes. CRCW08056K65FKEA meets all electrical and mechanical specifications of RCS2012F6651CS and carries AEC-Q200 automotive qualification. Height-seated specification of 0.020" (0.50mm) is lower than the original 0.026" (0.66mm), confirming compatibility with standard 0805 PCB footprints.

Q: What is the difference between automotive-qualified and standard industrial substitutes?

A: ERJ-6ENF6651V, CRCW08056K65FKEA, and RMCF0805FT6K65 carry AEC-Q200 qualification, indicating compliance with automotive reliability and environmental stress testing standards. RC0805FR-076K65L is standard industrial-grade without automotive qualification. Selection depends on application requirements.

Q: Are all substitutes compatible with the same PCB footprint as RCS2012F6651CS?

A: Yes. All substitutes use 0805 (2012 Metric) package with identical length (0.079" / 2.00mm) and width (0.049" / 1.25mm) dimensions. Height variations (0.020" to 0.028") fall within standard 0805 component envelope tolerances and do not affect PCB footprint compatibility.

Q: Which substitute offers the best inventory availability?

A: RMCF0805FT6K65 from Stackpole Electronics Inc provides the highest inventory at 154,887 units. ERJ-6ENF6651V from Panasonic offers 74,749 units. Both support high-volume production requirements.

Q: Do all substitutes maintain the same moisture sensitivity rating?

A: Yes. All substitutes carry MSL 1 (Unlimited) rating, identical to RCS2012F6651CS. This rating indicates no moisture sensitivity restrictions and unlimited shelf life under standard storage conditions.

Q: Can RC0805FR-076K65L be used in automotive designs?

A: RC0805FR-076K65L meets all electrical and mechanical specifications but lacks AEC-Q200 automotive qualification. Use in automotive applications requires design review and customer approval. For automotive-qualified substitutes, specify CRCW08056K65FKEA, ERJ-6ENF6651V, or RMCF0805FT6K65.