RCS2012F1271CS Equivalent & Substitute Parts Reference

Part Overview

The RCS2012F1271CS is a 1.27 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation with anti-sulfur and moisture-resistant construction. The part maintains Active product status with 1100 pieces currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

RCS2012F1271CS

Samsung Electro-MechanicsIn Stock: 1199RCS2012F1271CS Datasheet

Current PartRFQ

CRCW08051K27FKEA

Vishay DaleIn Stock: 27204CRCW08051K27FKEA Datasheet

SimilarRFQ

ERJ-6ENF1271V

Panasonic Electronic ComponentsIn Stock: 36562ERJ-6ENF1271V Datasheet

SimilarRFQ

RC0805FR-071K27L

YAGEOIn Stock: 88282RC0805FR-071K27L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F1271CS are qualified based on the following criteria:

Electrical Equivalence: All substitute parts maintain identical resistance value (1.27 kOhms), tolerance (±1%), power rating (0.125W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C).

Mechanical Compatibility: All substitute parts use the 0805 (2012 Metric) package with 2 terminations, ensuring direct footprint compatibility on printed circuit boards.

Material Composition: All substitute parts utilize thick film construction, maintaining consistent performance characteristics.

Compliance Alignment: All substitute parts are ROHS3 compliant, REACH unaffected, and classified under ECCN EAR99 with identical HTSUS code 8533.21.0030.

Environmental Rating: All substitute parts maintain MSL 1 (Unlimited) moisture sensitivity level.

The three identified substitute parts differ in manufacturer-specific features (automotive AEC-Q200 certification for Vishay Dale and Panasonic variants) and physical height specifications, which do not affect electrical substitution eligibility.

Parameter Comparison

Engineering Selection Recommendations

All three substitute parts are electrically and mechanically equivalent to the RCS2012F1271CS and maintain Active product status with full ROHS3 compliance.

CRCW08051K27FKEA (Vishay Dale): This substitute includes AEC-Q200 automotive qualification and features the lowest seated height at 0.020" (0.50mm). Selection is appropriate for applications requiring automotive-grade components or space-constrained PCB layouts. Inventory availability is 27,118 pieces.

ERJ-6ENF1271V (Panasonic Electronic Components): This substitute includes AEC-Q200 automotive qualification with the highest seated height at 0.028" (0.70mm). Selection is appropriate for automotive applications where Panasonic component qualification is specified. Inventory availability is 36,530 pieces.

RC0805FR-071K27L (YAGEO): This substitute features moisture-resistant construction with mid-range seated height at 0.024" (0.60mm). Selection is appropriate for general industrial applications without automotive requirements. Inventory availability is 88,256 pieces, representing the highest stock level.

All substitute parts maintain identical electrical performance and compliance certifications. Selection should be based on application-specific requirements including automotive qualification needs and PCB layout constraints.

Frequently Asked Questions (FAQ)

Q: Can CRCW08051K27FKEA replace RCS2012F1271CS in any application?

A: Yes. Both components share identical electrical specifications (1.27 kOhms ±1%, 0.125W, ±100ppm/°C, -55°C ~ 155°C), package format (0805), and compliance certifications (ROHS3, MSL 1). The CRCW08051K27FKEA features lower seated height (0.020" vs 0.026"), which may provide advantages in space-constrained designs.

Q: What is the difference between the Samsung RCS2012F1271CS and Panasonic ERJ-6ENF1271V?

A: Both components are electrically identical with matching resistance, tolerance, power rating, and temperature specifications. The primary differences are manufacturer identity, AEC-Q200 automotive certification on the Panasonic part, and seated height (0.028" for Panasonic vs 0.026" for Samsung). Both maintain ROHS3 compliance and MSL 1 rating.

Q: Are all substitute parts suitable for automotive applications?

A: The CRCW08051K27FKEA (Vishay Dale) and ERJ-6ENF1271V (Panasonic) both carry AEC-Q200 automotive qualification. The RC0805FR-071K27L (YAGEO) does not specify automotive qualification. Selection depends on application requirements.

Q: Does seated height variation affect PCB assembly compatibility?

A: All parts use the 0805 (2012 Metric) package with identical footprint dimensions (0.079" L x 0.049" W). Seated height variations (0.020" to 0.028") do not affect PCB footprint compatibility but may impact clearance in space-constrained applications with low component height limits.

Q: Are all substitute parts available in Tape & Reel packaging?

A: Yes. All substitute parts are supplied in Tape & Reel (TR) packaging format, matching the original RCS2012F1271CS packaging specification.

Q: What is the inventory status for each substitute part?

A: CRCW08051K27FKEA: 27,118 pieces in stock. ERJ-6ENF1271V: 36,530 pieces in stock. RC0805FR-071K27L: 88,256 pieces in stock. All parts are listed as New Original In Stock.