RCS3216F4531CS Equivalent & Substitute Parts

Part Overview

The RCS3216F4531CS is a 4.53 kOhms ±1% 0.25W chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This thick film resistor features anti-sulfur and moisture-resistant properties, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part is currently active in production with 747 pieces 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 designs without functional degradation.

Substiute Parts

RCS3216F4531CS

Samsung Electro-MechanicsIn Stock: 768RCS3216F4531CS Datasheet

Current PartRFQ

CR1206-FX-4531ELF

Bourns Inc.In Stock: 25741CR1206-FX-4531ELF Datasheet

SimilarRFQ

CRCW12064K53FKEA

Vishay DaleIn Stock: 20640CRCW12064K53FKEA Datasheet

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ERJ-8ENF4531V

Panasonic Electronic ComponentsIn Stock: 63500ERJ-8ENF4531V Datasheet

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RC1206FR-074K53L

YAGEOIn Stock: 45003RC1206FR-074K53L Datasheet

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RMCF1206FT4K53

Stackpole Electronics IncIn Stock: 15285RMCF1206FT4K53 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F4531CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 4.53 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance
• MSL rating: 1 (Unlimited)

All identified substitute parts meet these electrical and mechanical specifications. Variations in physical dimensions (length, width, height) within standard tolerances and differences in packaging format (Tape & Reel vs. bulk) do not affect functional substitutability. Product status and specific feature sets (such as automotive AEC-Q200 qualification) are noted for application-specific selection but do not preclude substitution in non-restricted applications.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Active Status): For new designs and ongoing production, select from parts with Active product status: CR1206-FX-4531ELF (Bourns Inc.), CRCW12064K53FKEA (Vishay Dale), RC1206FR-074K53L (YAGEO), or RMCF1206FT4K53 (Stackpole Electronics Inc.). All maintain full RoHS3 compliance and unlimited MSL rating.

Automotive Applications: CRCW12064K53FKEA (Vishay Dale), ERJ-8ENF4531V (Panasonic), and RMCF1206FT4K53 (Stackpole) carry AEC-Q200 automotive qualification. These are suitable for automotive-grade circuit implementations.

Legacy System Maintenance: ERJ-8ENF4531V (Panasonic) is designated "Not For New Designs" but remains functionally equivalent for replacement in existing systems. This part is available in high inventory (63,445 pieces) and maintains all electrical and compliance specifications.

Inventory Availability: CR1206-FX-4531ELF (Bourns) offers the highest inventory level at 25,659 pieces, followed by RC1206FR-074K53L (YAGEO) at 44,991 pieces, supporting supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-4531ELF replace RCS3216F4531CS directly? A: Yes. Both parts share identical electrical specifications (4.53 kOhms ±1%, 0.25W), operate across -55°C to 155°C, and are packaged in 1206 (3216 Metric) format. Physical dimension variations (height: 0.66mm vs. 0.75mm) fall within standard tolerances and do not affect PCB assembly or circuit function.

Q: What is the difference between moisture-resistant and anti-sulfur features? A: The RCS3216F4531CS includes both anti-sulfur and moisture-resistant properties. Substitute parts CR1206-FX-4531ELF and RC1206FR-074K53L specify moisture-resistant composition. Both feature sets provide environmental protection; anti-sulfur specifically addresses sulfur-containing atmospheric corrosion. For applications requiring explicit anti-sulfur protection, verify with the design team.

Q: Are automotive-qualified parts (AEC-Q200) interchangeable with non-automotive parts? A: Automotive-qualified parts (CRCW12064K53FKEA, ERJ-8ENF4531V, RMCF1206FT4K53) meet stricter reliability and testing standards. They are functionally interchangeable with non-automotive equivalents in non-automotive applications. For automotive designs, use AEC-Q200 qualified parts to maintain compliance.

Q: Why is ERJ-8ENF4531V marked "Not For New Designs"? A: This designation indicates the manufacturer is phasing out the part. It remains functionally equivalent and suitable for replacement in existing systems. For new designs, select from Active-status alternatives to ensure long-term supply availability.

Q: Does packaging format (Tape & Reel vs. bulk) affect substitutability? A: No. Packaging format affects logistics and handling but not electrical or mechanical function. All listed substitutes are available in Tape & Reel format suitable for automated assembly.

Q: Can these parts be used interchangeably in high-precision analog circuits? A: All parts share ±1% tolerance and ±100ppm/°C temperature coefficient. Substitution is valid from a specification standpoint. Circuit-level performance depends on application sensitivity to component-to-component variation; design validation is the responsibility of the circuit engineer.