RC3225F2741CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F2741CS is a 2.74 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format. This component is rated for 0.333W (1/3W) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status and is ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Substitute components become necessary when the primary part experiences supply constraints, extended lead times, or when design requirements permit higher power ratings or alternative certifications such as automotive AEC-Q200 qualification.

Substiute Parts

RC3225F2741CS

Samsung Electro-MechanicsIn Stock: 745RC3225F2741CS Datasheet

Current PartRFQ

CRCW12102K74FKEA

Vishay DaleIn Stock: 2012CRCW12102K74FKEA Datasheet

SimilarRFQ

ERJ-14NF2741U

Panasonic Electronic ComponentsIn Stock: 35773ERJ-14NF2741U Datasheet

SimilarRFQ

RMCF1210FT2K74

Stackpole Electronics IncIn Stock: 4788RMCF1210FT2K74 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC3225F2741CS is permissible when the following conditions are met:

Critical Parameters for Substitution:

• Resistance value must equal 2.74 kOhms
• Tolerance must be ±1%
• Package must be 1210 (3225 Metric)
• Composition must be Thick Film
• Temperature coefficient must be ±100ppm/°C
• Operating temperature range must encompass -55°C to 155°C
• Number of terminations must be 2
• RoHS3 compliance must be maintained
• MSL rating must be 1 (Unlimited)

Allowable Variations:

• Power rating may be equal to or greater than 0.333W
• Packaging format may differ (Tape & Reel or Cut Tape acceptable)
• Automotive AEC-Q200 certification is an additional feature, not a restriction
• Physical dimensions may vary within tolerance as long as 1210 package specification is maintained

All three substitute parts meet these criteria with identical electrical specifications and enhanced power ratings of 0.5W (1/2W).

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute (Preferred): CRCW12102K74FKEA (Vishay Dale) is the recommended substitute. This part maintains Active product status, carries AEC-Q200 automotive certification, and provides 0.5W power rating with identical electrical characteristics. Packaging is Tape & Reel format suitable for automated assembly processes.

Secondary Substitute: RMCF1210FT2K74 (Stackpole Electronics Inc) is an alternative with Active product status and AEC-Q200 certification. This part is supplied in Cut Tape format and offers equivalent electrical performance with 0.5W power rating.

Legacy Substitute (Not Recommended for New Designs): ERJ-14NF2741U (Panasonic Electronic Components) carries "Not For New Designs" product status. While electrically equivalent with AEC-Q200 certification and 0.5W power rating, this part should not be selected for new circuit designs due to its discontinued design status.

All three substitutes provide enhanced power dissipation capability (0.5W versus 0.333W), which represents a design margin improvement over the original part.

Frequently Asked Questions (FAQ)

Q: Can CRCW12102K74FKEA replace RC3225F2741CS in existing designs? A: Yes. Both parts share identical resistance (2.74 kOhms), tolerance (±1%), package (1210), composition (Thick Film), temperature coefficient (±100ppm/°C), operating range (-55°C to 155°C), and compliance ratings (ROHS3, MSL 1). The substitute provides higher power rating (0.5W versus 0.333W), which is compatible with the original application.

Q: What is the difference between the three substitute parts? A: All three substitutes are electrically identical to the original part. The primary differences are: (1) Manufacturer: Vishay Dale, Panasonic, or Stackpole; (2) Product Status: Vishay and Stackpole are Active, Panasonic is Not For New Designs; (3) Packaging: Vishay supplies Tape & Reel, Stackpole supplies Cut Tape, Panasonic supplies Tape & Reel; (4) Inventory availability varies by supplier.

Q: Why do the substitute parts have higher power ratings (0.5W instead of 0.333W)? A: Higher power ratings indicate greater thermal capability and design margin. This is an allowable variation that does not restrict substitution. The higher rating ensures the component can handle the same or greater power dissipation without thermal stress.

Q: Are all substitute parts AEC-Q200 certified? A: Yes. All three substitute parts carry AEC-Q200 automotive qualification. The original RC3225F2741CS does not list automotive certification, but the substitutes provide this additional qualification without restricting compatibility.

Q: Can I use ERJ-14NF2741U for new product designs? A: No. ERJ-14NF2741U carries "Not For New Designs" product status. This designation indicates the part is in end-of-life phase. For new designs, select either CRCW12102K74FKEA or RMCF1210FT2K74.

Q: What packaging formats are available? A: CRCW12102K74FKEA is supplied in Tape & Reel format for automated pick-and-place assembly. RMCF1210FT2K74 is supplied in Cut Tape format for manual or semi-automated assembly. ERJ-14NF2741U is supplied in Tape & Reel format.

Q: Are there any compliance or regulatory differences between these parts? A: All parts are ROHS3 compliant, REACH Unaffected, and classified as EAR99 for export control. MSL rating is 1 (Unlimited) for all parts, indicating no moisture sensitivity restrictions during storage or handling.