RC2012F43R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC2012F43R2CS is a 43.2 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.125W (1/8W) in 0805 (2012 Metric) package format. This component is classified as Active product status and features moisture-resistant construction suitable for general industrial and commercial applications. Substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional equivalence in circuit design applications.

Substiute Parts

RC2012F43R2CS

Samsung Electro-MechanicsIn Stock: 972RC2012F43R2CS Datasheet

Current PartRFQ

RC0805FR-0743R2L

YAGEOIn Stock: 110351RC0805FR-0743R2L Datasheet

DirectRFQ

CRCW080543R2FKEA

Vishay DaleIn Stock: 9438CRCW080543R2FKEA Datasheet

SimilarRFQ

ERJ-6ENF43R2V

Panasonic Electronic ComponentsIn Stock: 119437ERJ-6ENF43R2V Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC2012F43R2CS are qualified based on the following critical parameters that determine functional equivalence:

Electrical Parameters:

• Resistance value: 43.2 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.125W / 1/8W (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Parameters:

• Package format: 0805 (2012 Metric) (exact match required)
• Physical dimensions: 0.079" L x 0.049" W / 2.00mm x 1.25mm (exact match required)
• Number of terminations: 2 (exact match required)

Compliance Parameters:

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

All identified substitute parts meet these criteria. Additional features such as automotive AEC-Q200 qualification represent enhanced capability levels and do not disqualify parts from substitution consideration.

Parameter Comparison

Engineering Selection Recommendations

All four parts listed meet the core substitution criteria for the RC2012F43R2CS. Selection among these alternatives is based on the following factors:

RC0805FR-0743R2L (YAGEO): Direct substitute with identical electrical and mechanical specifications. Moisture-resistant thick film composition matches the original part. Active product status with full RoHS3 and REACH compliance. Suitable for applications requiring standard industrial-grade performance without automotive qualification requirements.

CRCW080543R2FKEA (Vishay Dale): Functionally equivalent with AEC-Q200 automotive qualification. Lowest seated height specification (0.020" / 0.50mm) provides advantage in space-constrained PCB layouts. Appropriate for applications requiring automotive-grade reliability and qualification documentation.

ERJ-6ENF43R2V (Panasonic): Functionally equivalent with AEC-Q200 automotive qualification. Highest seated height specification (0.028" / 0.70mm) among substitute options. Appropriate for applications requiring automotive-grade reliability and qualification documentation.

All parts maintain identical electrical performance across the specified operating temperature range and comply with current environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can RC0805FR-0743R2L replace RC2012F43R2CS in any application?

A: Yes. RC0805FR-0743R2L meets all electrical and mechanical specifications of the RC2012F43R2CS. Both parts share identical resistance value (43.2 Ohms), tolerance (±1%), power rating (0.125W), package format (0805), and operating temperature range (-55°C ~ 155°C). Compliance certifications are equivalent.

Q: What is the difference between the YAGEO and Vishay/Panasonic substitute parts?

A: The primary difference is automotive qualification. CRCW080543R2FKEA and ERJ-6ENF43R2V carry AEC-Q200 automotive ratings, while RC0805FR-0743R2L does not. All parts are electrically and mechanically identical. Seated height varies slightly: YAGEO 0.024" (0.60mm), Vishay 0.020" (0.50mm), Panasonic 0.028" (0.70mm).

Q: Are there any height restrictions when substituting these parts?

A: Height differences exist among substitute parts. The RC2012F43R2CS has a maximum seated height of 0.026" (0.66mm). CRCW080543R2FKEA is lower at 0.020" (0.50mm), while ERJ-6ENF43R2V is higher at 0.028" (0.70mm). Verify PCB clearance specifications before selection if height is a design constraint.

Q: Do all substitute parts have the same moisture sensitivity rating?

A: Yes. All parts including the original RC2012F43R2CS carry MSL 1 (Unlimited) rating, indicating no moisture sensitivity restrictions during storage or handling.

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

A: Both CRCW080543R2FKEA (Vishay Dale) and ERJ-6ENF43R2V (Panasonic) carry AEC-Q200 automotive qualification. Selection between these two depends on PCB layout requirements and seated height constraints.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All substitute parts and the original RC2012F43R2CS are ROHS3 Compliant and REACH Unaffected, meeting current environmental regulatory requirements.