RCS2012F37R4CS Equivalent & Substitute Parts

Part Overview

The RCS2012F37R4CS is a 37.4 Ohm ±1% 0.125W thick film chip resistor in 0805 (2012 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture resistant characteristics. 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

RCS2012F37R4CS

Samsung Electro-MechanicsIn Stock: 765RCS2012F37R4CS Datasheet

Current PartRFQ

CRCW080537R4FKEA

Vishay DaleIn Stock: 25541CRCW080537R4FKEA Datasheet

SimilarRFQ

ERJ-6ENF37R4V

Panasonic Electronic ComponentsIn Stock: 25347ERJ-6ENF37R4V Datasheet

SimilarRFQ

RC0805FR-0737R4L

YAGEOIn Stock: 45331RC0805FR-0737R4L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS2012F37R4CS are qualified based on the following criteria:

Electrical Parameters (Mandatory Match):

• Resistance value: 37.4 Ohms
• Tolerance: ±1%
• Power rating: 0.125W (1/8W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Mandatory Match):

• Package type: 0805 (2012 Metric)
• Physical dimensions: 0.079" L x 0.049" W (2.00mm x 1.25mm)
• Number of terminations: 2

Compliance Parameters (Mandatory Match):

• RoHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)
• REACH Status: REACH Unaffected

All identified substitute parts meet these criteria and are therefore electrically and mechanically interchangeable with the RCS2012F37R4CS in standard circuit applications.

Parameter Comparison

Engineering Selection Recommendations

All four resistor options—RCS2012F37R4CS, CRCW080537R4FKEA, ERJ-6ENF37R4V, and RC0805FR-0737R4L—are Active product status components with full ROHS3 compliance and REACH unaffected status. Selection between these parts is based on application-specific requirements and supply chain considerations:

CRCW080537R4FKEA (Vishay Dale): Features Automotive AEC-Q200 qualification, suitable for automotive and high-reliability applications requiring automotive-grade component certification.

ERJ-6ENF37R4V (Panasonic): Features Automotive AEC-Q200 qualification, suitable for automotive and high-reliability applications requiring automotive-grade component certification.

RC0805FR-0737R4L (YAGEO): Features moisture resistant characteristics without automotive qualification, suitable for general industrial and consumer applications.

RCS2012F37R4CS (Samsung): Features anti-sulfur and moisture resistant characteristics, suitable for general industrial applications with environmental protection requirements.

All parts share identical electrical specifications and mechanical compatibility within the 0805 package footprint. Height variations (0.020" to 0.028") are within standard PCB assembly tolerances and do not affect circuit functionality.

Frequently Asked Questions (FAQ)

Q: Can CRCW080537R4FKEA replace RCS2012F37R4CS in non-automotive applications?

A: Yes. CRCW080537R4FKEA meets all electrical and mechanical specifications of RCS2012F37R4CS. Automotive AEC-Q200 qualification is an additional feature that does not restrict use in non-automotive circuits. The component is fully compatible.

Q: What is the significance of the height difference between substitute parts?

A: Height variations range from 0.020" (0.50mm) to 0.028" (0.70mm). These differences are within standard PCB assembly clearance specifications and do not affect circuit performance or PCB layout compatibility for standard 0805 package designs.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All four parts—RCS2012F37R4CS, CRCW080537R4FKEA, ERJ-6ENF37R4V, and RC0805FR-0737R4L—are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the difference between anti-sulfur and moisture resistant features?

A: Anti-sulfur protection prevents corrosion from sulfur-containing environments. Moisture resistant protection prevents degradation from humidity exposure. Both features provide environmental protection; the specific feature set depends on the manufacturing process and intended application environment.

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

A: Yes. All substitute parts share the same operating temperature range of -55°C ~ 155°C and identical temperature coefficient of ±100ppm/°C, ensuring consistent performance across the full temperature range.

Q: Is Moisture Sensitivity Level 1 (Unlimited) suitable for all assembly processes?

A: Yes. MSL 1 (Unlimited) indicates no moisture sensitivity restrictions. These components do not require special moisture control during storage, handling, or assembly, simplifying supply chain and manufacturing processes.