RCS3216J111CS Equivalent & Substitute Parts Reference

Part Overview

The RCS3216J111CS is a 110 Ohms ±5% 0.25W (1/4W) thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1206 (3216 Metric) package. 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 is ROHS3 compliant with MSL 1 (unlimited moisture sensitivity level) and is currently in active production status with 1102 pieces in stock.

Equivalent and substitute parts are necessary when the original manufacturer part becomes unavailable, when design requirements shift toward higher tolerance specifications, when automotive-grade certifications are required, or when enhanced power ratings are needed for circuit optimization.

Substiute Parts

RCS3216J111CS

Samsung Electro-MechanicsIn Stock: 1129RCS3216J111CS Datasheet

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AC1206FR-07110RL

YAGEOIn Stock: 11502AC1206FR-07110RL Datasheet

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CR1206-FX-1100ELF

Bourns Inc.In Stock: 6394CR1206-FX-1100ELF Datasheet

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CRCW1206110RFKEA

Vishay DaleIn Stock: 16827CRCW1206110RFKEA Datasheet

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CRCW1206110RFKEAHP

Vishay DaleIn Stock: 21770CRCW1206110RFKEAHP Datasheet

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ERJ-8ENF1100V

Panasonic Electronic ComponentsIn Stock: 55634ERJ-8ENF1100V Datasheet

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RC1206FR-07110RL

YAGEOIn Stock: 324947RC1206FR-07110RL Datasheet

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RC1206JR-07110RL

YAGEOIn Stock: 208144RC1206JR-07110RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RCS3216J111CS is based on strict electrical and mechanical parameter matching:

Primary Substitution Criteria:

• Resistance value must be 110 Ohms
• Package must be 1206 (3216 Metric)
• Power rating must be minimum 0.25W (1/4W)
• Composition must be thick film
• Temperature coefficient ±100ppm/°C
• Operating temperature range -55°C to 155°C
• RoHS3 compliance required
• MSL 1 rating required

Tolerance Consideration: The main part specifies ±5% tolerance. Substitute parts with ±1% tolerance provide tighter tolerance specifications and are electrically compatible, as ±1% tolerance is a subset of ±5% tolerance requirements. Parts with ±5% tolerance provide direct equivalence.

Power Rating Consideration: Substitute parts rated at 0.25W (1/4W) provide direct equivalence. Parts rated at 0.75W (3/4W) provide enhanced thermal capability and are compatible for applications requiring higher power dissipation margins.

Automotive Certification: Some substitute parts carry AEC-Q200 automotive qualification. This certification is an enhancement and does not restrict use in non-automotive applications.

Product Status: The main part is Active. One substitute part (ERJ-8ENF1100V) carries "Not For New Designs" status, indicating it remains available but is not recommended for new circuit designs.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (±5% Tolerance, 0.25W): RC1206JR-07110RL (YAGEO) provides direct electrical and mechanical equivalence to the RCS3216J111CS. Both parts share identical tolerance (±5%), power rating (0.25W), and package specifications. This part is recommended for direct replacement in existing designs where the original part becomes unavailable. Inventory availability is substantial at 208,069 pieces.

Enhanced Tolerance Substitutes (±1% Tolerance, 0.25W): AC1206FR-07110RL, CR1206-FX-1100ELF, CRCW1206110RFKEA, ERJ-8ENF1100V, and RC1206FR-07110RL all provide ±1% tolerance with 0.25W power rating. These parts are electrically compatible as tighter tolerance specifications meet or exceed the ±5% requirement. Selection among these options depends on availability, automotive certification requirements, and supply chain preferences.

Enhanced Power Rating Substitute (±1% Tolerance, 0.75W): CRCW1206110RFKEAHP (Vishay Dale) provides 0.75W power rating with ±1% tolerance. This part is suitable for applications requiring higher thermal margin or increased power dissipation capability while maintaining the same package footprint. The enhanced power rating does not restrict use in circuits designed for 0.25W operation.

Automotive Applications: For automotive circuit designs requiring AEC-Q200 certification, select from: AC1206FR-07110RL, CRCW1206110RFKEA, CRCW1206110RFKEAHP, or ERJ-8ENF1100V. All four parts carry AEC-Q200 qualification.

New Design Considerations: ERJ-8ENF1100V carries "Not For New Designs" status and should not be selected for new circuit development, despite high inventory availability. This part remains suitable only for legacy design maintenance or replacement applications.

Supply Chain Optimization: RC1206FR-07110RL (YAGEO) offers the highest inventory availability at 324,893 pieces, providing supply chain security for high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can I use a ±1% tolerance part as a substitute for the ±5% RCS3216J111CS?

A: Yes. The ±1% tolerance specification is tighter than ±5% and is electrically compatible. A ±1% part will meet all circuit requirements specified for ±5% tolerance operation. The substitution is valid from an electrical standpoint.

Q: What is the difference between the 0.25W and 0.75W power-rated versions?

A: The 0.75W version (CRCW1206110RFKEAHP) can dissipate three times more power than the 0.25W version while maintaining the same physical package size. If your circuit dissipates 0.25W or less through the resistor, both versions are compatible. The 0.75W version provides additional thermal margin and is suitable for applications with higher power dissipation requirements or thermal stress conditions.

Q: Are all substitute parts physically compatible with the 1206 package footprint?

A: Yes. All listed substitute parts use the 1206 (3216 Metric) package specification. Physical dimensions vary slightly between manufacturers (length ranges from 0.122" to 0.126", height from 0.024" to 0.030"), but all parts fit within standard 1206 PCB footprints. Verify specific height clearance if space constraints exist in your design.

Q: What does "Not For New Designs" mean for the ERJ-8ENF1100V?

A: This designation indicates the part is in mature or declining production status. While currently available in inventory, the manufacturer does not recommend this part for new circuit designs. Use this part only for replacement or maintenance of existing designs. For new designs, select from parts with "Active" status.

Q: Do I need AEC-Q200 certification for non-automotive applications?

A: No. AEC-Q200 certification is required only for automotive circuit designs. For consumer, industrial, or general-purpose applications, parts without AEC-Q200 certification are fully suitable. The certification is an enhancement that does not restrict use in non-automotive applications.

Q: Can I substitute the RCS3216J111CS with a different resistance value?

A: No. The resistance value must remain 110 Ohms. Substitution is limited to equivalent parts with the same resistance value. Different resistance values require circuit redesign and are not considered substitution.

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

A: MSL 1 rating indicates the component has unlimited shelf life and does not require special moisture-controlled storage conditions. All listed substitute parts carry MSL 1 rating, ensuring compatibility with standard warehouse and manufacturing environments without special handling requirements.

Q: Which substitute part offers the best supply chain availability?

A: RC1206FR-07110RL (YAGEO) provides the highest inventory availability at 324,893 pieces. This part is recommended when supply chain security and production volume requirements are critical factors in component selection.