Equivalent & Substitute Parts for RCS2012F2051CS

Part Overview

The RCS2012F2051CS is a 2.05 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 anti-sulfur and moisture-resistant construction. 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

RCS2012F2051CS

Samsung Electro-MechanicsIn Stock: 1209RCS2012F2051CS Datasheet

Current PartRFQ

CRCW08052K05FKEA

Vishay DaleIn Stock: 2006CRCW08052K05FKEA Datasheet

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ERJ-6ENF2051V

Panasonic Electronic ComponentsIn Stock: 167930ERJ-6ENF2051V Datasheet

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RC0805FR-072K05L

YAGEOIn Stock: 185878RC0805FR-072K05L Datasheet

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RMCF0805FT2K05

Stackpole Electronics IncIn Stock: 3173RMCF0805FT2K05 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F2051CS are qualified based on the following criteria:

Electrical Parameters (Critical):

• Resistance value: 2.05 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

• Package type: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Number of terminations: 2

Compliance Parameters (Required):

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Unaffected status

All substitute parts listed meet these criteria and are manufactured by recognized component suppliers with Active product status.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts maintain electrical and mechanical equivalence to the RCS2012F2051CS. Selection among substitutes is determined by application-specific requirements and supply chain considerations:

For General Industrial Applications: RC0805FR-072K05L (YAGEO) and RCS2012F2051CS (Samsung Electro-Mechanics) are suitable. Both feature moisture-resistant thick film construction with identical electrical specifications and MSL 1 rating.

For Automotive Applications: CRCW08052K05FKEA (Vishay Dale), ERJ-6ENF2051V (Panasonic Electronic Components), and RMCF0805FT2K05 (Stackpole Electronics Inc) carry AEC-Q200 automotive qualification. These parts are appropriate for automotive-grade circuit designs requiring enhanced reliability standards.

Compliance Verification: All substitute parts are ROHS3 Compliant, REACH Unaffected, and classified under ECCN EAR99 with HTSUS code 8533.21.0030, matching the original component's regulatory status.

Physical Clearance Consideration: Seated height varies between 0.50mm (CRCW08052K05FKEA) and 0.70mm (ERJ-6ENF2051V). Verify PCB layout clearance requirements before final selection, particularly in high-density applications.

Frequently Asked Questions (FAQ)

Q: Can CRCW08052K05FKEA replace RCS2012F2051CS in non-automotive applications?

A: Yes. CRCW08052K05FKEA meets all electrical and mechanical specifications required for direct substitution. AEC-Q200 qualification is an additional feature that does not restrict use in non-automotive circuits.

Q: What is the significance of the 0805 package designation?

A: 0805 (2012 Metric) is the standardized package format for these components. All substitute parts use identical 0805 packaging with dimensions 2.00mm x 1.25mm, ensuring mechanical compatibility with existing PCB footprints.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the original RCS2012F2051CS compliance level.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the component has unlimited shelf life under standard storage conditions without requiring special moisture-control packaging or baking procedures prior to assembly.

Q: How do temperature coefficients affect circuit performance?

A: All listed parts share ±100ppm/°C temperature coefficient and -55°C ~ 155°C operating range. Resistance variation across the operating temperature range remains equivalent across all substitute options.

Q: Is packaging format (Tape & Reel vs. Cut Tape) a substitution factor?

A: Packaging format affects supply chain logistics and handling but does not impact electrical or mechanical compatibility. RC0805FR-072K05L uses Cut Tape & Digi-Reel® packaging while other substitutes use Tape & Reel format. Both formats are suitable for automated assembly processes.

Q: Can seated height differences affect PCB assembly?

A: Seated height variation (0.50mm to 0.70mm) is within standard 0805 package tolerance. Verify specific PCB clearance requirements for high-density layouts or applications with height constraints.