RCS3216F1213CS Equivalent & Substitute Parts

Part Overview

The RCS3216F1213CS is a 121 kOhms ±1% 0.25W thick film chip resistor in 1206 (3216 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with anti-sulfur and moisture-resistant characteristics. The part is ROHS3 compliant and suitable for general-purpose applications requiring precision resistive elements in compact surface-mount form factors.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and environmental ratings align with the main part's functional requirements. This reference provides direct substitution options for procurement flexibility and supply chain continuity.

Substiute Parts

RCS3216F1213CS

Samsung Electro-MechanicsIn Stock: 1158RCS3216F1213CS Datasheet

Current PartRFQ

CR1206-FX-1213ELF

Bourns Inc.In Stock: 12480CR1206-FX-1213ELF Datasheet

SimilarRFQ

CRCW1206121KFKEA

Vishay DaleIn Stock: 26036CRCW1206121KFKEA Datasheet

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ERJ-8ENF1213V

Panasonic Electronic ComponentsIn Stock: 69799ERJ-8ENF1213V Datasheet

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RC1206FR-07121KL

YAGEOIn Stock: 9417RC1206FR-07121KL Datasheet

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RMCF1206FT121K

Stackpole Electronics IncIn Stock: 20892RMCF1206FT121K Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RCS3216F1213CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence:

• Resistance value: 121 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Equivalence:

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

Compliance Equivalence:

• RoHS3 compliance
• Moisture Sensitivity Level 1
• REACH unaffected status

All identified substitute parts meet these criteria. Variations in height-seated maximum and specific feature sets (anti-sulfur vs. moisture-resistant vs. automotive AEC-Q200) do not preclude substitution when electrical and mechanical parameters align.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Product Status):

CR1206-FX-1213ELF (Bourns Inc.), CRCW1206121KFKEA (Vishay Dale), RC1206FR-07121KL (YAGEO), and RMCF1206FT121K (Stackpole Electronics Inc) are all classified as Active products and represent direct electrical and mechanical equivalents to the RCS3216F1213CS. These parts satisfy all compliance requirements including ROHS3 and MSL 1 ratings.

Automotive-Qualified Alternatives:

CRCW1206121KFKEA and RMCF1206FT121K carry AEC-Q200 automotive qualification. These parts are suitable for applications requiring automotive-grade reliability standards while maintaining identical electrical specifications.

Legacy Consideration:

ERJ-8ENF1213V (Panasonic Electronic Components) meets all electrical and mechanical substitution criteria but carries "Not For New Designs" product status. This part remains electrically equivalent and may be used in existing designs or where inventory availability is prioritized, but should not be selected for new circuit designs.

Height Clearance:

All substitute parts exhibit height-seated maximum values between 0.60mm and 0.75mm. PCB layout designs with height constraints below 0.60mm should specify CRCW1206121KFKEA. Designs with standard 1206 clearance accommodate all listed substitutes.

Frequently Asked Questions (FAQ)

Q: Can ERJ-8ENF1213V be used as a direct replacement for RCS3216F1213CS?

A: ERJ-8ENF1213V meets all electrical specifications (121 kOhms ±1%, 0.25W, ±100ppm/°C, -55°C ~ 155°C) and mechanical requirements (1206 package, 2 terminations). However, its "Not For New Designs" status indicates it should not be selected for new circuit development. For existing designs or where supply continuity is critical, it functions as an electrical equivalent.

Q: Are all substitute parts compatible with the same PCB footprint?

A: All substitute parts use the 1206 (3216 Metric) package and are compatible with standard 1206 footprints. Height variations (0.60mm to 0.75mm maximum seated height) are within typical PCB assembly tolerances. Designs with height-constrained clearances should verify the specific substitute part's maximum height specification.

Q: What is the difference between moisture-resistant and anti-sulfur features?

A: Both features address environmental protection in thick film resistors. Anti-sulfur protection (RCS3216F1213CS) specifically guards against sulfur-containing atmospheric contaminants. Moisture-resistant protection (CR1206-FX-1213ELF, RC1206FR-07121KL) addresses humidity ingress. All listed parts maintain MSL 1 (Unlimited) rating, indicating equivalent moisture sensitivity performance.

Q: Which substitute offers the best availability?

A: CRCW1206121KFKEA (Vishay Dale) shows the highest inventory level at 26,014 pieces. ERJ-8ENF1213V (Panasonic) maintains 69,747 pieces but carries legacy product status. For active product sourcing, CRCW1206121KFKEA and RMCF1206FT121K provide strong availability with current design status.

Q: Are automotive-qualified parts necessary for non-automotive applications?

A: Automotive AEC-Q200 qualification (CRCW1206121KFKEA, RMCF1206FT121K) indicates enhanced reliability testing and stricter manufacturing controls. For non-automotive applications, these parts function identically to non-qualified equivalents. Selection should be based on application requirements and cost considerations rather than qualification status alone.

Q: What compliance certifications apply to all substitute parts?

A: All listed substitute parts are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (Unlimited moisture sensitivity level). ECCN classification is EAR99 for all parts. HTSUS code 8533.21.0030 applies uniformly across all substitutes.