RCS2012F1871CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1871CS is a 1.87 kOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package. This thick film resistor features anti-sulfur and moisture-resistant properties with an operating temperature range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit applications.

Substiute Parts

RCS2012F1871CS

Samsung Electro-MechanicsIn Stock: 1147RCS2012F1871CS Datasheet

Current PartRFQ

CRCW08051K87FKEA

Vishay DaleIn Stock: 26686CRCW08051K87FKEA Datasheet

SimilarRFQ

ERJ-6ENF1871V

Panasonic Electronic ComponentsIn Stock: 95527ERJ-6ENF1871V Datasheet

SimilarRFQ

RC0805FR-071K87L

YAGEOIn Stock: 57229RC0805FR-071K87L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F1871CS are qualified based on the following criteria:

Electrical Parameters (Critical):

• Resistance value: 1.87 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 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 & Environmental (Required):

• RoHS3 compliance
• Moisture Sensitivity Level: 1 (Unlimited)
• Composition: Thick Film

All identified substitute parts meet these core parameters. Additional features such as automotive AEC-Q200 certification or enhanced moisture resistance represent supplementary capabilities that do not prevent substitution but may provide enhanced performance in specific applications.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts—CRCW08051K87FKEA, ERJ-6ENF1871V, and RC0805FR-071K87L—are functionally equivalent to the RCS2012F1871CS based on matching electrical and mechanical specifications. Selection among these alternatives should be based on the following factors:

Product Status & Availability: All parts maintain active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1), ensuring long-term availability and regulatory compliance.

Automotive Applications: CRCW08051K87FKEA (Vishay Dale) and ERJ-6ENF1871V (Panasonic) carry AEC-Q200 automotive qualification. These parts are suitable for automotive-grade applications requiring enhanced reliability standards.

Standard Industrial Applications: RC0805FR-071K87L (YAGEO) and RCS2012F1871CS (Samsung) are suitable for general industrial and consumer electronics applications without automotive-specific requirements.

Physical Clearance Considerations: Height variations exist among substitute parts (0.020" to 0.028" seated height). In space-constrained PCB designs, CRCW08051K87FKEA offers the lowest profile at 0.020" maximum seated height.

Frequently Asked Questions (FAQ)

Q: Can CRCW08051K87FKEA replace RCS2012F1871CS directly?

A: Yes. Both parts share identical electrical specifications (1.87 kOhms ±1%, 0.125W), package type (0805), temperature range (-55°C to 155°C), and compliance status (ROHS3, MSL 1). The CRCW08051K87FKEA includes additional AEC-Q200 automotive certification, which does not prevent substitution in non-automotive applications.

Q: What is the difference between the substitute parts?

A: All substitute parts meet the core electrical and mechanical requirements. CRCW08051K87FKEA and ERJ-6ENF1871V include AEC-Q200 automotive qualification. RC0805FR-071K87L is optimized for moisture resistance. Physical height varies slightly (0.020" to 0.028"), which may affect PCB layout in space-constrained designs.

Q: Are there any compatibility issues with PCB assembly?

A: No. All parts use identical 0805 (2012 Metric) package footprints with 2 terminations. Standard SMD assembly equipment and reflow profiles are compatible with all substitute parts. Height variations are within typical PCB assembly tolerances.

Q: Which substitute part should be selected for automotive applications?

A: CRCW08051K87FKEA (Vishay Dale) or ERJ-6ENF1871V (Panasonic) are recommended for automotive applications due to AEC-Q200 qualification. Both parts meet automotive reliability and quality standards.

Q: Is the temperature coefficient specification identical across all parts?

A: Yes. All parts, including the main part RCS2012F1871CS and all substitutes, specify ±100ppm/°C temperature coefficient with -55°C to 155°C operating range.

Q: Can these parts be used interchangeably in existing designs?

A: Yes. Electrical performance, package footprint, and environmental ratings are identical. No circuit redesign or PCB layout modification is required for substitution.