RC2012F1181CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F1181CS is a 1.18 kOhms ±1% 0.125W chip resistor manufactured by Samsung Electro-Mechanics in 0805 (2012 Metric) package format. This thick film resistor is designed for general-purpose applications requiring moisture resistance and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with 1005 units currently in stock. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit designs without functional degradation.

Substiute Parts

RC2012F1181CS

Samsung Electro-MechanicsIn Stock: 1075RC2012F1181CS Datasheet

Current PartRFQ

RC0805FR-071K18L

YAGEOIn Stock: 126810RC0805FR-071K18L Datasheet

DirectRFQ

CRCW08051K18FKEA

Vishay DaleIn Stock: 28048CRCW08051K18FKEA Datasheet

SimilarRFQ

ERJ-6ENF1181V

Panasonic Electronic ComponentsIn Stock: 73626ERJ-6ENF1181V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F1181CS are classified based on strict alignment with the following critical parameters:

Electrical Equivalence Criteria:

• Resistance value: 1.18 kOhms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Compatibility Criteria:

• Package type: 0805 (2012 Metric)
• Number of terminations: 2
• Composition: Thick Film
• Moisture resistance capability

Compliance Criteria:

• RoHS3 Compliant status
• MSL Level 1 (Unlimited)
• REACH Unaffected status

All identified substitute parts meet these parameters. Substitutes are further differentiated by manufacturer, series designation, and optional automotive qualification (AEC-Q200), which does not affect functional interchangeability but may be relevant for specific application requirements.

Parameter Comparison

Engineering Selection Recommendations

Direct Substitution (RC0805FR-071K18L - YAGEO): The YAGEO RC0805FR-071K18L provides direct functional equivalence to the RC2012F1181CS. All electrical parameters, mechanical dimensions, and compliance certifications are identical. This substitute is suitable for applications where no automotive qualification is required. YAGEO maintains 126,770 units in stock, providing supply continuity.

Automotive-Qualified Substitutes (CRCW08051K18FKEA and ERJ-6ENF1181V): Both the Vishay Dale CRCW08051K18FKEA and Panasonic ERJ-6ENF1181V meet all electrical and mechanical specifications while carrying AEC-Q200 automotive qualification. These parts are appropriate for applications requiring automotive-grade components or when enhanced reliability documentation is mandated. The Vishay part features the lowest seated height at 0.020" (0.50mm), while the Panasonic part reaches 0.028" (0.70mm). Both maintain Active product status with substantial inventory availability (28,029 and 73,603 units respectively).

Selection Criteria:

• For general industrial applications: RC0805FR-071K18L (YAGEO)
• For automotive or mission-critical applications: CRCW08051K18FKEA (Vishay Dale) or ERJ-6ENF1181V (Panasonic)
• For space-constrained PCB layouts: CRCW08051K18FKEA (lowest profile at 0.50mm)

All substitutes maintain ROHS3 compliance, MSL Level 1 rating, and REACH Unaffected status, ensuring regulatory alignment with the original component.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-071K18L (YAGEO) be used as a direct replacement for RC2012F1181CS (Samsung)?

A: Yes. The YAGEO part matches all critical electrical specifications (1.18 kOhms ±1%, 0.125W, ±100ppm/°C), mechanical dimensions (0805 package, 2.00mm x 1.25mm), and compliance certifications (ROHS3, MSL 1). The seated height difference of 0.002" (0.06mm) is within typical PCB assembly tolerances and does not affect functionality.

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

A: The CRCW08051K18FKEA (Vishay Dale) and ERJ-6ENF1181V (Panasonic) carry AEC-Q200 automotive qualification, indicating compliance with automotive reliability and testing standards. The electrical and mechanical specifications remain identical to the YAGEO part. Selection depends on application requirements; automotive qualification is necessary only for automotive or safety-critical applications.

Q: Are there height restrictions when substituting these parts?

A: The seated heights vary slightly: Samsung (0.66mm), YAGEO (0.60mm), Vishay (0.50mm), and Panasonic (0.70mm). For most PCB designs, these variations are accommodated within standard assembly tolerances. For space-constrained applications, the Vishay part offers the lowest profile. Verify PCB design clearances if height is a critical constraint.

Q: Do all substitute parts maintain the same moisture resistance?

A: Yes. All parts listed carry MSL Level 1 (Unlimited) rating, indicating identical moisture sensitivity performance. All are thick film resistors with moisture-resistant construction, suitable for the same environmental conditions as the original RC2012F1181CS.

Q: Can these parts be used interchangeably in high-reliability applications?

A: The CRCW08051K18FKEA and ERJ-6ENF1181V are suitable for high-reliability applications due to AEC-Q200 qualification. The YAGEO RC0805FR-071K18L is suitable for general high-reliability applications. All parts maintain Active product status and ROHS3 compliance. Verify specific application requirements and qualification documentation before final selection.

Q: What is the difference between the RC series designation?

A: The original part uses the RC series (Samsung), while substitutes use RC_L (YAGEO), CRCW (Vishay Dale), and ERJ-6EN (Panasonic). These designations identify manufacturer-specific product lines but do not affect electrical or mechanical compatibility. All parts conform to the same 0805 package standard and electrical specifications.