RC3216F124CS Equivalent & Substitute Parts Reference

Part Overview

The RC3216F124CS is a 120 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 942 pieces currently in stock. The RC3216F124CS serves as a standard general-purpose resistor for applications requiring moisture resistance and stable performance across the -55°C to 155°C operating temperature range. Equivalent and substitute parts are identified based on matching electrical specifications, package dimensions, and compliance certifications to ensure direct interchangeability in circuit designs.

Substiute Parts

RC3216F124CS

Samsung Electro-MechanicsIn Stock: 984RC3216F124CS Datasheet

Current PartRFQ

CR1206-FX-1203ELF

Bourns Inc.In Stock: 33986CR1206-FX-1203ELF Datasheet

DirectRFQ

ERJ-8ENF1203V

Panasonic Electronic ComponentsIn Stock: 80620ERJ-8ENF1203V Datasheet

DirectRFQ

RC1206FR-07120KL

YAGEOIn Stock: 500383RC1206FR-07120KL Datasheet

DirectRFQ

RMCF1206FT120K

Stackpole Electronics IncIn Stock: 15669RMCF1206FT120K Datasheet

DirectRFQ

AC1206FR-07120KL

YAGEOIn Stock: 24835AC1206FR-07120KL Datasheet

SimilarRFQ

CRCW1206120KFKEA

Vishay DaleIn Stock: 31167CRCW1206120KFKEA Datasheet

SimilarRFQ

CRCW1206120KFKEAHP

Vishay DaleIn Stock: 15489CRCW1206120KFKEAHP Datasheet

SimilarRFQ

KTR18EZPF1203

Rohm SemiconductorIn Stock: 1088KTR18EZPF1203 Datasheet

SimilarRFQ

MCR18ERTF1203

Rohm SemiconductorIn Stock: 917MCR18ERTF1203 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3216F124CS is determined by strict equivalence across the following critical parameters:

Primary Substitution Criteria:

• Resistance value: 120 kOhms
• Tolerance: ±1%
• Power rating: 0.25W (1/4W)
• Package: 1206 (3216 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance

Substitution Categories:

Direct Equivalents meet all primary criteria with identical electrical and mechanical specifications. These parts are fully interchangeable without circuit redesign.

Automotive-Qualified Substitutes meet all primary criteria and additionally carry AEC-Q200 automotive qualification. These parts are suitable for both general-purpose and automotive applications.

Enhanced Power Rating Variants maintain all primary criteria except power rating is increased to 0.75W (3/4W). These parts provide additional thermal margin and are backward-compatible for applications requiring the base 0.25W specification.

Discontinued Parts meet all primary criteria but carry discontinued status. These parts remain electrically and mechanically compatible but may have limited future availability.

Physical dimensions (length, width, height) vary within acceptable tolerances across manufacturers while maintaining 1206 package classification and PCB footprint compatibility.

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

RC1206FR-07120KL (YAGEO) and CR1206-FX-1203ELF (Bourns Inc.) are recommended as primary substitutes. Both parts maintain Active product status, carry ROHS3 compliance, and provide moisture resistance equivalent to the RC3216F124CS. RC1206FR-07120KL offers the highest inventory availability (500,300 pieces) and supports Cut Tape and Digi-Reel packaging options.

For Automotive Applications:

AC1206FR-07120KL (YAGEO), RMCF1206FT120K (Stackpole Electronics Inc.), CRCW1206120KFKEA (Vishay Dale), and KTR18EZPF1203 (Rohm Semiconductor) are qualified substitutes carrying AEC-Q200 automotive certification. All maintain Active product status and ROHS3 compliance. AC1206FR-07120KL combines automotive qualification with moisture resistance. RMCF1206FT120K and CRCW1206120KFKEA provide established automotive supply chain support.

For Enhanced Thermal Performance:

CRCW1206120KFKEAHP (Vishay Dale) provides 0.75W power rating with pulse withstanding capability while maintaining 1206 package and AEC-Q200 qualification. This variant is suitable for applications requiring additional thermal margin beyond the base 0.25W specification.

Parts to Avoid for New Designs:

ERJ-8ENF1203V (Panasonic Electronic Components) carries "Not For New Designs" status and MCR18ERTF1203 (Rohm Semiconductor) is discontinued at DiGi Electronics. While electrically compatible, these parts present supply chain risk for ongoing production.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC3216F124CS with any of the listed parts without circuit modification?

A: Yes, all listed parts with Active product status and matching 0.25W power rating are direct electrical and mechanical substitutes. Parts include CR1206-FX-1203ELF, RC1206FR-07120KL, RMCF1206FT120K, AC1206FR-07120KL, CRCW1206120KFKEA, and KTR18EZPF1203. These parts maintain identical resistance (120 kOhms), tolerance (±1%), package (1206), and operating temperature range (-55°C ~ 155°C). No circuit redesign is required.

Q: What is the difference between general-purpose and automotive-qualified substitutes?

A: Automotive-qualified substitutes carry AEC-Q200 certification, indicating compliance with automotive industry reliability and performance standards. These parts include ERJ-8ENF1203V, RMCF1206FT120K, AC1206FR-07120KL, CRCW1206120KFKEA, and KTR18EZPF1203. General-purpose substitutes (CR1206-FX-1203ELF, RC1206FR-07120KL) do not carry automotive qualification but remain suitable for non-automotive applications.

Q: Can I use CRCW1206120KFKEAHP as a substitute for RC3216F124CS?

A: CRCW1206120KFKEAHP is electrically compatible but provides 0.75W power rating instead of 0.25W. This higher power rating is backward-compatible with circuits designed for 0.25W operation, providing additional thermal margin. The part maintains 1206 package, ±1% tolerance, and AEC-Q200 qualification. Use this variant only if the higher power rating does not create thermal or cost constraints.

Q: Why is ERJ-8ENF1203V marked "Not For New Designs"?

A: ERJ-8ENF1203V carries "Not For New Designs" status from the manufacturer, indicating the part is in the later stages of its product lifecycle. While electrically and mechanically compatible with RC3216F124CS, this designation signals potential future discontinuation. For new designs, select from Active-status alternatives such as RMCF1206FT120K, AC1206FR-07120KL, or CRCW1206120KFKEA.

Q: Are there packaging differences between substitute parts?

A: Yes. RC3216F124CS is supplied in standard packaging (not specified). Substitute parts are available in Tape & Reel (TR) or Cut Tape (CT) & Digi-Reel packaging. RC1206FR-07120KL offers Cut Tape and Digi-Reel options. CR1206-FX-1203ELF, RMCF1206FT120K, AC1206FR-07120KL, CRCW1206120KFKEA, KTR18EZPF1203, and MCR18ERTF1203 are supplied in Tape & Reel. Verify packaging requirements for your assembly process before part selection.

Q: Do all substitute parts meet RoHS3 compliance?

A: Yes. All listed substitute parts carry ROHS3 Compliant status, matching the RC3216F124CS compliance level. All parts are also REACH Unaffected and classified as EAR99 for export control purposes.

Q: What is the significance of Moisture Sensitivity Level (MSL) 1?

A: MSL 1 indicates unlimited shelf life without moisture exposure precautions. All listed substitute parts carry MSL 1 rating, matching the RC3216F124CS specification. This classification eliminates the need for special storage, handling, or baking procedures prior to assembly.

Q: Which substitute offers the highest inventory availability?

A: RC1206FR-07120KL (YAGEO) provides the highest inventory with 500,300 pieces in stock. This part is recommended for high-volume production requirements and offers both Cut Tape and Digi-Reel packaging options.