RC2012F1271CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1271CS is a 1.27 kOhm ±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 and is supplied in Tape & Reel packaging. The RC2012F1271CS serves as a precision resistive element in general-purpose electronic applications requiring moisture-resistant thick film construction. Equivalent and substitute parts are identified when identical electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

RC2012F1271CS

Samsung Electro-MechanicsIn Stock: 987RC2012F1271CS Datasheet

Current PartRFQ

RC0805FR-071K27L

YAGEOIn Stock: 88282RC0805FR-071K27L Datasheet

DirectRFQ

CRCW08051K27FKEA

Vishay DaleIn Stock: 27204CRCW08051K27FKEA Datasheet

SimilarRFQ

ERJ-6ENF1271V

Panasonic Electronic ComponentsIn Stock: 36562ERJ-6ENF1271V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC2012F1271CS is determined by strict alignment of the following parameters:

Electrical Parameters (Critical):

• Resistance value: 1.27 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Critical):

• Package / Case: 0805 (2012 Metric)
• Supplier device package: 0805
• Number of terminations: 2

Material & Composition (Critical):

• Composition: Thick Film
• Features: Moisture Resistant

Compliance Parameters (Required):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

Substitute parts are classified into two categories:

Direct Equivalent: Parts meeting all electrical, mechanical, and compliance specifications with identical functional performance.

Similar Equivalent: Parts meeting all electrical, mechanical, and compliance specifications with additional certifications (such as AEC-Q200 automotive qualification) that do not restrict general-purpose applications.

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain Active product status and full compliance with ROHS3 and REACH requirements. Selection between the RC2012F1271CS and substitute parts is based on the following criteria:

RC0805FR-071K27L (YAGEO): Direct equivalent with identical electrical and mechanical specifications. Suitable for applications requiring standard thick film resistor performance without automotive qualification requirements. Seated height of 0.024" (0.60mm) is within tolerance for standard PCB assembly processes.

CRCW08051K27FKEA (Vishay Dale): Equivalent with AEC-Q200 automotive qualification. Seated height of 0.020" (0.50mm) represents the minimum profile among substitute options. Appropriate for applications requiring automotive-grade reliability or where space constraints favor lower profile components.

ERJ-6ENF1271V (Panasonic Electronic Components): Equivalent with AEC-Q200 automotive qualification. Seated height of 0.028" (0.70mm) is the maximum among substitute options. Suitable for applications requiring automotive-grade reliability where standard profile components are acceptable.

All substitute parts are functionally interchangeable with the RC2012F1271CS in applications requiring 1.27 kOhm ±1% 0.125W 0805 thick film resistors. Automotive-qualified variants (Vishay Dale and Panasonic) provide additional qualification documentation for applications requiring AEC-Q200 compliance.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-071K27L (YAGEO) be used as a direct replacement for RC2012F1271CS (Samsung)?

A: Yes. Both parts share identical electrical specifications (1.27 kOhms ±1%), power rating (0.125W), package format (0805), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and compliance certifications (ROHS3, REACH Unaffected, MSL 1). The seated height difference of 0.002" (0.06mm) is within standard PCB assembly tolerances.

Q: What is the difference between the Samsung RC2012F1271CS and the automotive-qualified substitutes?

A: The Samsung RC2012F1271CS is specified for general-purpose applications. The CRCW08051K27FKEA (Vishay Dale) and ERJ-6ENF1271V (Panasonic) include AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. All three parts meet identical electrical and mechanical specifications for non-automotive applications.

Q: Are there mechanical compatibility concerns when substituting between these parts?

A: All substitute parts conform to the 0805 (2012 Metric) package standard with identical length (0.079") and width (0.049"). Seated heights vary between 0.020" and 0.028", representing a 0.008" (0.20mm) range. This variation is within standard PCB assembly tolerances and does not affect component placement or soldering processes.

Q: Do all substitute parts meet the same environmental and compliance requirements?

A: Yes. All substitute parts are ROHS3 Compliant, REACH Unaffected, and classified as Moisture Sensitivity Level 1 (Unlimited). All parts maintain Active product status and are suitable for long-term supply chain applications.

Q: Which substitute part should be selected for cost optimization?

A: Selection based on cost requires comparison of current inventory pricing and lead times from component distributors. All parts are functionally equivalent for general-purpose applications. Automotive-qualified variants (Vishay Dale and Panasonic) may carry cost premiums due to additional qualification documentation.

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

A: Yes. All substitute parts conform to identical electrical specifications, package dimensions, and termination configurations. PCB designs utilizing the RC2012F1271CS can accommodate any substitute part without design modification. Seated height variations do not require PCB layout changes.