RCS3216F3481CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F3481CS is a 3.48 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component features anti-sulfur and moisture-resistant construction with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is currently active in production with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility to ensure direct functional replacement in circuit applications.

Substiute Parts

RCS3216F3481CS

Samsung Electro-MechanicsIn Stock: 839RCS3216F3481CS Datasheet

Current PartRFQ

CRCW12063K48FKEA

Vishay DaleIn Stock: 16899CRCW12063K48FKEA Datasheet

SimilarRFQ

ERJ-8ENF3481V

Panasonic Electronic ComponentsIn Stock: 65174ERJ-8ENF3481V Datasheet

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RC1206FR-073K48L

YAGEOIn Stock: 10844RC1206FR-073K48L Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RCS3216F3481CS are qualified based on the following critical parameters that must match or be compatible with the main part:

Electrical Parameters (Must Match):

• Resistance value: 3.48 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Must Match):

• Package type: 1206 (3216 Metric)
• Number of terminations: 2
• Physical dimensions compatible with 1206 footprint

Compliance Parameters (Must Match or Exceed):

• RoHS3 compliance
• Moisture sensitivity level: 1 (Unlimited)

All identified substitute parts meet these core requirements. Variations in packaging format (Tape & Reel vs. bulk), manufacturer-specific features (automotive AEC-Q200 certification), and minor dimensional tolerances do not affect functional substitution capability.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Production Status):

CRCW12063K48FKEA (Vishay Dale) and RC1206FR-073K48L (YAGEO) are recommended as primary substitutes. Both parts are in active production status with full ROHS3 compliance and identical electrical specifications. CRCW12063K48FKEA includes automotive AEC-Q200 certification, suitable for applications requiring automotive-grade reliability. RC1206FR-073K48L provides moisture-resistant construction matching the original part's environmental protection features.

Secondary Substitute (Legacy Applications Only):

ERJ-8ENF3481V (Panasonic Electronic Components) meets all electrical and mechanical requirements with automotive AEC-Q200 certification. However, this part carries a "Not For New Designs" product status designation. Use this substitute only in legacy system maintenance or replacement scenarios where design continuity is required. For new circuit designs, select from active production alternatives.

Compliance Verification:

All substitute parts maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating, ensuring compatibility with standard PCB assembly and storage processes. No additional environmental or handling precautions are required beyond standard component management practices.

Frequently Asked Questions (FAQ)

Q: Can CRCW12063K48FKEA directly replace RCS3216F3481CS in existing designs?

A: Yes. Both parts share identical electrical specifications (3.48 kOhms ±1%, 0.25W, ±100ppm/°C), operate across the same temperature range (-55°C to 155°C), and use the 1206 package footprint. The CRCW part includes automotive AEC-Q200 certification, which provides additional reliability assurance without affecting standard circuit operation.

Q: What is the difference between the packaging formats listed?

A: Tape & Reel (TR) packaging is standard for automated assembly processes and high-volume production. The main part RCS3216F3481CS lists packaging as "-" (unspecified format). All substitute parts in Tape & Reel format are compatible with standard pick-and-place equipment. Verify your assembly process requirements before selecting packaging format.

Q: Why is ERJ-8ENF3481V marked "Not For New Designs"?

A: This designation indicates the manufacturer (Panasonic) has transitioned this product line and recommends alternative parts for new circuit development. The part remains functionally equivalent and suitable for replacement in existing systems. For new designs, select CRCW12063K48FKEA or RC1206FR-073K48L.

Q: Are there dimensional differences that affect PCB layout?

A: All parts use the 1206 (3216 Metric) package with compatible footprints. Seated height varies slightly: RCS3216F3481CS (0.66mm), CRCW12063K48FKEA (0.60mm), ERJ-8ENF3481V (0.70mm), and RC1206FR-073K48L (0.65mm). These variations fall within standard 1206 package tolerances and do not require PCB layout modifications.

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

A: RCS3216F3481CS and RC1206FR-073K48L both specify moisture-resistant construction. CRCW12063K48FKEA and ERJ-8ENF3481V do not explicitly list moisture resistance in their feature sets, though all parts maintain MSL 1 (Unlimited) rating. For applications requiring explicit moisture-resistant thick film construction, RC1206FR-073K48L provides direct feature parity with the original part.

Q: Can these parts be used interchangeably in automotive applications?

A: CRCW12063K48FKEA and ERJ-8ENF3481V both carry AEC-Q200 automotive certification. RCS3216F3481CS and RC1206FR-073K48L do not list automotive certification. For automotive circuit applications, use CRCW12063K48FKEA or ERJ-8ENF3481V. For non-automotive applications, all four parts are functionally equivalent.