RCS3216F331CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216F331CS is a 330 Ohms ±1% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component features anti-sulfur and moisture-resistant construction, operating across -55°C to 155°C with a temperature coefficient of ±100ppm/°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating), mechanical compatibility (package size and form factor), and environmental operating parameters. Alternative sources become necessary for supply chain optimization, cost management, or when specific certifications or packaging formats are required for particular applications.

Substiute Parts

RCS3216F331CS

Samsung Electro-MechanicsIn Stock: 1057RCS3216F331CS Datasheet

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RC3216F331CS

Samsung Electro-MechanicsIn Stock: 1753RC3216F331CS Datasheet

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AC1206FR-07330RL

YAGEOIn Stock: 26468AC1206FR-07330RL Datasheet

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CR1206-FX-3300ELF

Bourns Inc.In Stock: 69177CR1206-FX-3300ELF Datasheet

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CRCW1206330RFKEA

Vishay DaleIn Stock: 99169CRCW1206330RFKEA Datasheet

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CRCW1206330RFKEAHP

Vishay DaleIn Stock: 5339CRCW1206330RFKEAHP Datasheet

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ERJ-8ENF3300V

Panasonic Electronic ComponentsIn Stock: 139236ERJ-8ENF3300V Datasheet

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RC1206FR-07330RL

YAGEOIn Stock: 35490RC1206FR-07330RL Datasheet

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RMCF1206FT330R

Stackpole Electronics IncIn Stock: 236301RMCF1206FT330R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F331CS is determined by strict alignment with the following critical parameters:

Electrical Specifications: All substitute parts must provide 330 Ohms resistance with ±1% tolerance and 0.25W (1/4W) power rating. These values define the functional performance in circuit applications.

Package Compatibility: The 1206 (3216 Metric) package format is mandatory. Physical dimensions, termination count (2), and height specifications must accommodate the same PCB footprint and assembly process.

Environmental Performance: Operating temperature range of -55°C to 155°C and temperature coefficient of ±100ppm/°C establish the thermal stability requirements. All substitutes must meet or exceed these specifications.

Compliance Standards: ROHS3 compliance and MSL 1 rating are required for regulatory and manufacturing process compatibility.

Composition: Thick film construction ensures consistent electrical behavior and reliability characteristics across the specified operating range.

Substitute parts are grouped into two categories: Direct Equivalents (matching all parameters including anti-sulfur features where applicable) and Functional Equivalents (meeting all electrical and mechanical requirements with potential variations in optional features such as automotive certification or enhanced pulse withstanding capability).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status, Direct Equivalents):

RC3216F331CS (Samsung Electro-Mechanics) serves as the closest equivalent, differing only in series designation and packaging format. Both Samsung parts maintain identical electrical and thermal specifications with Active product status.

RC1206FR-07330RL (YAGEO) and CR1206-FX-3300ELF (Bourns Inc.) are functionally equivalent alternatives with Active status. These parts meet all electrical, mechanical, and compliance requirements without restrictions on new designs.

CRCW1206330RFKEA (Vishay Dale) is suitable for applications requiring automotive AEC-Q200 certification while maintaining standard 0.25W power rating and Active product status.

RMCF1206FT330R (Stackpole Electronics Inc.) provides automotive-grade performance with AEC-Q200 compliance and the highest inventory availability among Active alternatives.

Conditional Substitutes:

AC1206FR-07330RL (YAGEO) includes automotive AEC-Q200 certification and is suitable for automotive applications requiring enhanced reliability qualification.

CRCW1206330RFKEAHP (Vishay Dale) features 0.75W power rating with pulse withstanding capability. This part is suitable only for applications where higher power dissipation or transient pulse tolerance is required, as it exceeds the 0.25W specification of the main part.

Not Recommended for New Designs:

ERJ-8ENF3300V (Panasonic Electronic Components) carries "Not For New Designs" status despite meeting all electrical and mechanical specifications. This designation indicates the manufacturer has discontinued active support for new product development. Existing inventory is available but should not be selected for new circuit designs.

Frequently Asked Questions (FAQ)

Q: Can CRCW1206330RFKEAHP (0.75W) be used as a direct substitute for RCS3216F331CS (0.25W)?

A: CRCW1206330RFKEAHP is mechanically and electrically compatible in terms of resistance, tolerance, package, and operating temperature. However, the 0.75W power rating exceeds the 0.25W specification. This part is suitable only if the application circuit can accommodate the higher power rating without adverse effects. The component will function correctly in circuits designed for 0.25W resistors, but the upgrade provides unnecessary performance margin.

Q: What is the difference between RC3216F331CS and RCS3216F331CS?

A: Both parts are manufactured by Samsung Electro-Mechanics with identical electrical specifications (330 Ohms ±1%, 0.25W, 1206 package). The primary difference is series designation: RCS series includes anti-sulfur features, while RC series provides moisture resistance. Both maintain ROHS3 compliance and MSL 1 rating. Selection depends on environmental exposure requirements; anti-sulfur protection is beneficial in high-sulfur industrial environments.

Q: Why is ERJ-8ENF3300V marked "Not For New Designs"?

A: This designation indicates Panasonic has transitioned this product line and no longer actively supports new design implementations. While existing inventory remains available and the part meets all technical specifications, manufacturers recommend selecting alternatives for new circuit development to ensure long-term supply chain stability and continued manufacturer support.

Q: Are all substitute parts available in the same packaging formats?

A: Packaging formats vary among manufacturers. RC3216F331CS and CR1206-FX-3300ELF are supplied in Tape & Reel (TR) format. RC1206FR-07330RL and AC1206FR-07330RL are available in Cut Tape (CT) and Digi-Reel formats. CRCW1206330RFKEA and CRCW1206330RFKEAHP use Tape & Reel (TR). Verify packaging compatibility with assembly equipment and procurement requirements before final selection.

Q: Do all substitutes meet automotive qualification requirements?

A: No. AC1206FR-07330RL, CRCW1206330RFKEA, CRCW1206330RFKEAHP, and RMCF1206FT330R carry AEC-Q200 automotive certification. RC3216F331CS, CR1206-FX-3300ELF, RC1206FR-07330RL, and RCS3216F331CS do not include automotive qualification. Select AEC-Q200 certified parts only for applications requiring automotive-grade reliability standards.

Q: What is the significance of MSL 1 (Unlimited) rating?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. These components can be stored indefinitely at standard conditions without degradation. This eliminates moisture sensitivity management procedures during manufacturing and assembly, simplifying supply chain handling and reducing production constraints.