RC3216F12R1CS Equivalent & Substitute Parts

Part Overview

The RC3216F12R1CS is a 12.1 Ohms ±1% 0.25W thick film chip resistor manufactured by Samsung Electro-Mechanics in 1206 (3216 Metric) package format. This component is classified as Active product status with moisture resistant characteristics and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, making it suitable for general industrial and commercial applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit designs.

Substiute Parts

RC3216F12R1CS

Samsung Electro-MechanicsIn Stock: 1174RC3216F12R1CS Datasheet

Current PartRFQ

CR1206-FX-12R1ELF

Bourns Inc.In Stock: 65875CR1206-FX-12R1ELF Datasheet

DirectRFQ

RC1206FR-0712R1L

YAGEOIn Stock: 29158RC1206FR-0712R1L Datasheet

DirectRFQ

CRCW120612R1FKEA

Vishay DaleIn Stock: 45376CRCW120612R1FKEA Datasheet

SimilarRFQ

ERJ-8ENF12R1V

Panasonic Electronic ComponentsIn Stock: 47774ERJ-8ENF12R1V Datasheet

SimilarRFQ

RMCF1206FT12R1

Stackpole Electronics IncIn Stock: 4087RMCF1206FT12R1 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F12R1CS is determined by the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 12.1 Ohms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 0.25W / 1/4W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C ~ 155°C (exact match or better)

Mechanical Compatibility Requirements:

• Package type: 1206 (3216 Metric) (exact match)
• Composition: Thick Film (exact match)
• Number of terminations: 2 (exact match)

Compliance & Environmental Requirements:

• RoHS Status: ROHS3 Compliant (minimum requirement)
• Moisture Sensitivity Level: MSL 1 (minimum requirement)
• REACH Status: REACH Unaffected (minimum requirement)

All identified substitute parts meet these core criteria. Substitute parts are further categorized as Direct Manufacturer equivalents or Similar parts based on feature alignment and product status.

Parameter Comparison

Engineering Selection Recommendations

Direct Manufacturer Equivalents (Preferred for Standard Applications):

CR1206-FX-12R1ELF (Bourns Inc.) and RC1206FR-0712R1L (YAGEO) are direct functional equivalents with Active product status. Both parts maintain identical electrical specifications and moisture resistant characteristics. CR1206-FX-12R1ELF offers higher inventory availability (65,846 pcs). RC1206FR-0712R1L provides the lowest seated height (0.65mm), beneficial for space-constrained PCB layouts.

Similar Parts with Enhanced Ratings (Automotive Applications):

CRCW120612R1FKEA (Vishay Dale) and RMCF1206FT12R1 (Stackpole Electronics) include Automotive AEC-Q200 qualification, suitable for automotive and harsh environment applications. Both maintain Active product status. CRCW120612R1FKEA provides the lowest seated height (0.60mm) and highest inventory (45,300 pcs). RMCF1206FT12R1 offers AEC-Q200 qualification with Active status but lower inventory (4,070 pcs).

Legacy Consideration:

ERJ-8ENF12R1V (Panasonic Electronic Components) meets all electrical and mechanical specifications but carries "Not For New Designs" product status. This part is suitable only for replacement or maintenance of existing designs and should not be selected for new circuit development.

Frequently Asked Questions (FAQ)

Q: Can CR1206-FX-12R1ELF directly replace RC3216F12R1CS without PCB layout modifications?

A: Yes. Both parts share identical electrical specifications (12.1Ω ±1%, 0.25W), composition (thick film), and 1206 package format. The maximum seated height difference is 0.09mm (0.75mm vs 0.66mm), which is within standard PCB assembly tolerances and does not require layout changes.

Q: What is the difference between moisture resistant and automotive AEC-Q200 variants?

A: The RC3216F12R1CS and RC1206FR-0712R1L are specified as moisture resistant general-purpose components. CRCW120612R1FKEA, ERJ-8ENF12R1V, and RMCF1206FT12R1 include Automotive AEC-Q200 qualification, indicating additional testing and reliability requirements for automotive environments. AEC-Q200 parts are suitable for automotive applications but may have different pricing and lead times.

Q: Why is ERJ-8ENF12R1V marked "Not For New Designs"?

A: "Not For New Designs" indicates the manufacturer has discontinued active development and recommends alternative parts for new circuit designs. This part remains available for replacement and maintenance of existing products but should not be selected for new development projects.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All identified substitute parts (CR1206-FX-12R1ELF, RC1206FR-0712R1L, CRCW120612R1FKEA, ERJ-8ENF12R1V, RMCF1206FT12R1) are ROHS3 compliant and REACH unaffected, matching the compliance status of the RC3216F12R1CS.

Q: Which substitute part offers the best availability?

A: CR1206-FX-12R1ELF (Bourns Inc.) provides the highest inventory level at 65,846 pieces in stock, followed by CRCW120612R1FKEA (Vishay Dale) at 45,300 pieces.

Q: Can I use CRCW120612R1FKEA in non-automotive applications?

A: Yes. Automotive AEC-Q200 qualified parts exceed standard industrial requirements and are fully compatible with non-automotive applications. The additional qualification provides enhanced reliability margins without functional or mechanical incompatibility.

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

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All identified substitute parts carry MSL 1 rating, meaning they can be stored and handled without special moisture control procedures, simplifying supply chain management.