RCS3216F2373CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F2373CS is a 237 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with 943 pieces currently in stock. The RCS3216F2373CS features anti-sulfur and moisture-resistant properties, making it suitable for applications requiring enhanced environmental protection. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct functional interchangeability in circuit designs.

Substiute Parts

RCS3216F2373CS

Samsung Electro-MechanicsIn Stock: 1048RCS3216F2373CS Datasheet

Current PartRFQ

CR1206-FX-2373ELF

Bourns Inc.In Stock: 19782CR1206-FX-2373ELF Datasheet

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CRCW1206237KFKEA

Vishay DaleIn Stock: 14482CRCW1206237KFKEA Datasheet

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ERJ-8ENF2373V

Panasonic Electronic ComponentsIn Stock: 85162ERJ-8ENF2373V Datasheet

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RC1206FR-07237KL

YAGEOIn Stock: 8714RC1206FR-07237KL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F2373CS is determined by strict matching of the following critical parameters:

Electrical Specifications: Resistance value of 237 kOhms, tolerance of ±1%, and power rating of 0.25W (1/4W) are mandatory for functional equivalence.

Package Compatibility: All substitute parts must use the 1206 (3216 Metric) surface-mount package to ensure mechanical fit and soldering compatibility on printed circuit boards.

Environmental Specifications: Temperature coefficient of ±100ppm/°C and operating temperature range of -55°C ~ 155°C must be maintained.

Compliance Requirements: All substitute parts must maintain ROHS3 compliance, Moisture Sensitivity Level 1 (Unlimited), and REACH Unaffected status.

Composition: Thick film construction is required for all substitutes.

Parts meeting all these criteria are classified as direct substitutes. Variations in physical dimensions (length, width, height) within the 1206 package specification, packaging format (Tape & Reel vs. Cut Tape), or additional features (anti-sulfur coating, automotive AEC-Q200 certification) do not disqualify substitution but may introduce secondary considerations for specific applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: CR1206-FX-2373ELF (Bourns Inc.) or CRCW1206237KFKEA (Vishay Dale) are recommended as primary substitutes. Both maintain Active product status, full ROHS3 compliance, and identical electrical specifications. CRCW1206237KFKEA includes automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability.

Secondary Selection: RC1206FR-07237KL (YAGEO) is a viable substitute with Active product status and equivalent specifications. This part offers good inventory availability and maintains all required compliance certifications.

Conditional Selection: ERJ-8ENF2373V (Panasonic Electronic Components) meets all electrical and mechanical substitution criteria and offers the highest inventory availability (85117 pieces). However, this part carries "Not For New Designs" product status, indicating it is in mature or end-of-life phase. Selection of this part should be limited to replacement or maintenance applications where design changes are not feasible.

Feature Considerations: The RCS3216F2373CS includes anti-sulfur coating in addition to moisture resistance. Substitute parts CR1206-FX-2373ELF and RC1206FR-07237KL specify moisture resistance only. CRCW1206237KFKEA and ERJ-8ENF2373V include automotive AEC-Q200 certification, providing additional environmental and reliability testing beyond standard specifications.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-2373ELF directly replace RCS3216F2373CS on a PCB?

A: Yes. Both parts share identical electrical specifications (237 kOhms ±1%, 0.25W), operate across the same temperature range (-55°C ~ 155°C), and use the 1206 (3216 Metric) package. Physical dimensions are within standard 1206 tolerances. Direct substitution is functionally compatible.

Q: What is the difference between the anti-sulfur coating on RCS3216F2373CS and the moisture-resistant coating on substitute parts?

A: Anti-sulfur coating provides protection against sulfur-containing atmospheric contaminants and corrosive gases. Moisture-resistant coating protects against humidity and moisture ingress. Both are environmental protection features. The RCS3216F2373CS provides dual protection (anti-sulfur and moisture resistant), while most substitutes specify moisture resistance. Application environment determines whether anti-sulfur protection is required.

Q: Why is ERJ-8ENF2373V marked "Not For New Designs"?

A: "Not For New Designs" indicates the part is in mature or end-of-life phase. Panasonic continues to supply existing inventory but does not recommend this part for new circuit designs. For new designs, select CR1206-FX-2373ELF, CRCW1206237KFKEA, or RC1206FR-07237KL, all marked Active.

Q: Does CRCW1206237KFKEA automotive AEC-Q200 certification affect compatibility with non-automotive applications?

A: No. AEC-Q200 certification indicates the part has undergone additional automotive-grade testing and reliability qualification. Parts with AEC-Q200 certification are fully compatible with non-automotive applications and provide enhanced reliability margins. This certification does not restrict use to automotive circuits.

Q: Are there packaging format differences between these substitutes?

A: Yes. RCS3216F2373CS uses standard packaging (format not specified). CR1206-FX-2373ELF, ERJ-8ENF2373V, and RC1206FR-07237KL are supplied in Tape & Reel (TR) format. CRCW1206237KFKEA is available in Cut Tape (CT) & Digi-Reel® format. Packaging format affects handling and automated assembly but does not impact electrical or mechanical compatibility. Confirm packaging availability with your supplier for production requirements.

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

A: Yes. All listed parts, including substitutes, maintain the same operating temperature range of -55°C ~ 155°C and identical temperature coefficient of ±100ppm/°C. They are interchangeable for high-temperature applications within this specified range.

Q: What is Moisture Sensitivity Level 1 (Unlimited)?

A: MSL 1 (Unlimited) indicates the component has no moisture sensitivity restrictions. The part can be stored at room temperature and humidity without time-limited shelf life constraints. No special dry-pack storage or baking procedures are required before soldering.