RCS2012F3742CS Equivalent & Substitute Parts

Part Overview

The RCS2012F3742CS is a 37.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 0805 (2012 Metric) package format. This component is rated for 0.125W (1/8W) power dissipation and features anti-sulfur and moisture-resistant construction. The part maintains Active product status with 704 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 applications without design modification.

Substiute Parts

RCS2012F3742CS

Samsung Electro-MechanicsIn Stock: 717RCS2012F3742CS Datasheet

Current PartRFQ

CRCW080537K4FKEA

Vishay DaleIn Stock: 20775CRCW080537K4FKEA Datasheet

SimilarRFQ

ERJ-6ENF3742V

Panasonic Electronic ComponentsIn Stock: 37233ERJ-6ENF3742V Datasheet

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RC0805FR-0737K4L

YAGEOIn Stock: 9783RC0805FR-0737K4L Datasheet

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RMCF0805FT37K4

Stackpole Electronics IncIn Stock: 20001RMCF0805FT37K4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS2012F3742CS is determined by strict equivalence across the following parameters:

Electrical Specifications: Resistance value (37.4 kOhms), tolerance (±1%), power rating (0.125W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C) must be identical.

Mechanical Specifications: Package format (0805 / 2012 Metric), number of terminations (2), and physical dimensions (0.079" L x 0.049" W / 2.00mm x 1.25mm) must match.

Compliance & Environmental: RoHS3 compliance, MSL rating (1 - Unlimited), REACH status (Unaffected), and ECCN classification (EAR99) must align.

Composition & Construction: Thick film construction is required. Additional features such as automotive AEC-Q200 qualification or moisture resistance do not disqualify a part but represent enhanced specifications.

All four identified substitute parts meet these criteria and are classified as direct equivalents.

Parameter Comparison

Engineering Selection Recommendations

All four substitute parts are classified as direct equivalents to the RCS2012F3742CS based on identical electrical and mechanical specifications. Selection among these alternatives is determined by availability, supply chain considerations, and application-specific requirements.

CRCW080537K4FKEA (Vishay Dale): Carries AEC-Q200 automotive qualification and demonstrates the lowest seated height (0.020" / 0.50mm). Inventory availability is 20,748 units. This part is suitable for automotive applications and space-constrained PCB layouts.

ERJ-6ENF3742V (Panasonic Electronic Components): Carries AEC-Q200 automotive qualification with the highest seated height (0.028" / 0.70mm). Inventory availability is 37,174 units, representing the largest stock position among substitutes. This part is suitable for automotive applications with standard PCB clearance.

RC0805FR-0737K4L (YAGEO): Features moisture-resistant construction without automotive qualification. Seated height is 0.024" (0.60mm). Inventory availability is 9,713 units. This part is suitable for general industrial and consumer applications.

RMCF0805FT37K4 (Stackpole Electronics Inc): Carries AEC-Q200 automotive qualification with seated height of 0.026" (0.65mm), matching the original RCS2012F3742CS. Inventory availability is 19,955 units. This part provides dimensional continuity with the original component for automotive applications.

All parts maintain Active product status and full compliance with RoHS3 and REACH regulations.

Frequently Asked Questions (FAQ)

Q: Can CRCW080537K4FKEA replace RCS2012F3742CS in any application?

A: Yes. CRCW080537K4FKEA meets all electrical and mechanical equivalence criteria. The lower seated height (0.020" vs. 0.026") may provide advantages in space-constrained designs but does not prevent substitution in standard applications.

Q: What is the difference between automotive-qualified and non-automotive substitute parts?

A: CRCW080537K4FKEA, ERJ-6ENF3742V, and RMCF0805FT37K4 carry AEC-Q200 automotive qualification. RC0805FR-0737K4L does not. AEC-Q200 qualification indicates compliance with automotive reliability and testing standards. For non-automotive applications, all parts are functionally equivalent.

Q: Are there dimensional differences that affect PCB layout?

A: Seated height varies among substitutes: CRCW080537K4FKEA (0.020"), RC0805FR-0737K4L (0.024"), RMCF0805FT37K4 (0.026"), and ERJ-6ENF3742V (0.028"). These variations are within typical PCB design tolerances for 0805 package components. Verify clearance requirements for your specific application.

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

A: Yes. All parts, including the original RCS2012F3742CS, carry MSL rating 1 (Unlimited), indicating no moisture sensitivity restrictions during storage or handling.

Q: Which substitute part has the best inventory availability?

A: ERJ-6ENF3742V (Panasonic) has the highest inventory position at 37,174 units, followed by CRCW080537K4FKEA (Vishay Dale) at 20,748 units.

Q: Are all substitute parts RoHS3 and REACH compliant?

A: Yes. All substitute parts are ROHS3 Compliant and REACH Unaffected, matching the compliance status of the original RCS2012F3742CS.