RCS3216J331CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J331CS is a 330 Ohm ±5% 0.25W (1/4W) thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component features anti-sulfur and moisture-resistant properties with a temperature coefficient of ±100ppm/°C and operating range of -55°C to 155°C. The part is ROHS3 compliant with MSL 1 (Unlimited) rating.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, power rating, tolerance), mechanical compatibility (package size and form factor), and environmental performance characteristics. Alternative sources provide equivalent functionality for applications requiring component availability, supply chain flexibility, or specific manufacturing certifications.

Key Parameters

Parameter	RCS3216J331CS Specification
Resistance Value	330 Ohms
Tolerance	±5%
Power Rating	0.25W (1/4W)
Package / Case	1206 (3216 Metric)
Composition	Thick Film
Temperature Coefficient	±100ppm/°C
Operating Temperature Range	-55°C to 155°C
RoHS Status	ROHS3 Compliant
Moisture Sensitivity Level	1 (Unlimited)

Substitute Part Grouping Explanation

Substitute parts are classified into two primary groups based on tolerance specification, which is the critical differentiator for this component category:

Group 1: ±5% Tolerance (Direct Equivalents) Parts matching the original ±5% tolerance specification provide direct functional equivalence without circuit redesign considerations. These include AC1206JR-07330RL (YAGEO) and RC1206JR-07330RL (YAGEO).

Group 2: ±1% Tolerance (Higher Precision Alternatives) Parts with ±1% tolerance offer improved accuracy compared to the original specification. These substitutes are electrically compatible and mechanically interchangeable but provide tighter tolerance performance. This group includes RC3216F331CS (Samsung Electro-Mechanics), AC1206FR-07330RL (YAGEO), CR1206-FX-3300ELF (Bourns Inc.), CRCW1206330RFKEA (Vishay Dale), ERJ-8ENF3300V (Panasonic), RC1206FR-07330RL (YAGEO), and RMCF1206FT330R (Stackpole Electronics Inc.).

Group 3: Higher Power Rating Alternative CRCW1206330RFKEAHP (Vishay Dale) provides 0.75W (3/4W) power rating in the same 1206 package, suitable for applications requiring increased power dissipation capability.

All substitute parts maintain identical resistance value (330 Ohms), package form factor (1206/3216 Metric), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance status (ROHS3, MSL 1).

Parameter Comparison

Part Number	Manufacturer	Resistance	Tolerance	Power (W)	Package	Temp Coeff	Op Temp Range	Features	RoHS	MSL	Product Status
RCS3216J331CS	Samsung Electro-Mechanics	330Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Anti-Sulfur, Moisture Resistant	ROHS3	1	Active
RC3216F331CS	Samsung Electro-Mechanics	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
AC1206FR-07330RL	YAGEO	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Active
AC1206JR-07330RL	YAGEO	330Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Moisture Resistant	ROHS3	1	Active
CR1206-FX-3300ELF	Bourns Inc.	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
CRCW1206330RFKEA	Vishay Dale	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	1	Active
CRCW1206330RFKEAHP	Vishay Dale	330Ω	±1%	0.75	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200, Pulse Withstanding	ROHS3	1	Active
ERJ-8ENF3300V	Panasonic Electronic Components	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	1	Not For New Designs
RC1206FR-07330RL	YAGEO	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
RC1206JR-07330RL	YAGEO	330Ω	±5%	0.25	1206	±100ppm/°C	-55~155°C	Moisture Resistant	ROHS3	1	Active
RMCF1206FT330R	Stackpole Electronics Inc	330Ω	±1%	0.25	1206	±100ppm/°C	-55~155°C	Automotive AEC-Q200	ROHS3	1	Active

Engineering Selection Recommendations

For Direct Replacement (±5% Tolerance Requirement)

AC1206JR-07330RL and RC1206JR-07330RL are direct functional equivalents maintaining the original ±5% tolerance specification. Both parts are manufactured by YAGEO, ROHS3 compliant, and rated for -55°C to 155°C operation. AC1206JR-07330RL includes Automotive AEC-Q200 certification, suitable for automotive applications. RC1206JR-07330RL offers the highest inventory availability (485,808 pcs) among ±5% tolerance options.

For Improved Accuracy (±1% Tolerance Preferred)

RC3216F331CS (Samsung Electro-Mechanics) maintains the original manufacturer source while upgrading to ±1% tolerance. This option preserves supply chain consistency with the primary part.

AC1206FR-07330RL, CRCW1206330RFKEA, RMCF1206FT330R, and RC1206FR-07330RL provide ±1% tolerance with Automotive AEC-Q200 certification, suitable for automotive and high-reliability applications. CRCW1206330RFKEA offers the highest inventory (99,149 pcs) among AEC-Q200 certified ±1% options.

CR1206-FX-3300ELF (Bourns Inc.) and RC1206FR-07330RL provide ±1% tolerance without automotive certification for general industrial applications.

For Increased Power Dissipation

CRCW1206330RFKEAHP (Vishay Dale) provides 0.75W power rating in the same 1206 package with ±1% tolerance and Automotive AEC-Q200 certification. This part is selected only when circuit requirements exceed 0.25W power dissipation.

Parts Not Recommended for New Designs

ERJ-8ENF3300V (Panasonic) carries "Not For New Designs" product status and should not be selected for new development projects despite high inventory availability (139,201 pcs).

Frequently Asked Questions (FAQ)

Q: Can I substitute a ±1% tolerance part for the original ±5% RCS3216J331CS?

A: Yes. ±1% tolerance parts are electrically compatible and provide superior accuracy. The circuit will function correctly with improved tolerance performance. No circuit redesign is required. Selection depends on application accuracy requirements and cost considerations.

Q: What is the difference between parts with and without Automotive AEC-Q200 certification?

A: Automotive AEC-Q200 certified parts (AC1206FR-07330RL, AC1206JR-07330RL, CRCW1206330RFKEA, CRCW1206330RFKEAHP, ERJ-8ENF3300V, RMCF1206FT330R) meet automotive industry reliability and qualification standards. These parts are required for automotive applications and recommended for high-reliability industrial applications. Non-certified parts are suitable for general consumer and industrial applications.

Q: Are all substitute parts mechanically interchangeable with RCS3216J331CS?

A: Yes. All listed substitute parts use the 1206 (3216 Metric) package with identical footprint dimensions (0.122" to 0.126" length × 0.063" width) and 2 terminations. Height variations (0.024" to 0.030" seated maximum) are within standard PCB assembly tolerances and do not affect mechanical compatibility.

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

A: MSL 1 rating indicates unlimited shelf life without moisture baking requirements. All listed parts carry MSL 1 rating, eliminating moisture sensitivity concerns during storage and handling.

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

A: "Not For New Designs" status indicates the manufacturer has discontinued active development and recommends alternative parts for new projects. Existing inventory remains available for legacy system support and maintenance applications.

Q: Which substitute offers the best inventory availability?

A: RC1206JR-07330RL (YAGEO) provides the highest inventory at 485,808 pcs. For ±1% tolerance options, CRCW1206330RFKEA (Vishay Dale) offers 99,149 pcs.

Q: Can CRCW1206330RFKEAHP (0.75W) be used in place of RCS3216J331CS (0.25W)?

A: Yes, mechanically and electrically. The higher power rating provides additional thermal margin. Selection is based on circuit power dissipation requirements. Use only if the application requires power handling above 0.25W or if thermal stress reduction is a design objective.

Q: What packaging options are available for substitute parts?

A: Substitute parts are supplied in Cut Tape (CT), Digi-Reel®, or Tape & Reel (TR) formats. Selection depends on assembly process requirements and order quantities. All packaging formats contain identical components with equivalent electrical and mechanical specifications.

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