RC3225F2801CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F2801CS is a 2.8 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 parts are identified when equivalent electrical specifications and mechanical compatibility are maintained within the 1210 package family. Alternative sources become necessary for supply chain continuity, extended lead time mitigation, or when original manufacturer inventory is unavailable.

Substiute Parts

RC3225F2801CS

Samsung Electro-MechanicsIn Stock: 847RC3225F2801CS Datasheet

Current PartRFQ

ERJ-14NF2801U

Panasonic Electronic ComponentsIn Stock: 19477ERJ-14NF2801U Datasheet

SimilarRFQ

ERJ-P14F2801U

Panasonic Electronic ComponentsIn Stock: 5935ERJ-P14F2801U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F2801CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 2.8 kOhms
• Tolerance: ±1%
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• Compliance: ROHS3, MSL 1

Allowable Variation:

• Power rating may exceed 0.333W (higher power ratings are acceptable in the same package)
• Packaging format (bulk vs. Tape & Reel) does not affect electrical substitution
• Additional features (such as AEC-Q200 automotive qualification or pulse withstanding capability) do not disqualify substitution

The identified substitute parts ERJ-14NF2801U and ERJ-P14F2801U both satisfy these criteria with identical resistance, tolerance, package, and temperature specifications. Both are rated at 0.5W (1/2W), which exceeds the original 0.333W requirement within the same 1210 package envelope.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: ERJ-P14F2801U

The ERJ-P14F2801U is the preferred substitute for new designs and ongoing applications. This part maintains Active product status, ensuring long-term availability and manufacturing support. It satisfies all critical electrical parameters (2.8 kOhms, ±1%, ±100ppm/°C, -55°C to 155°C) and mechanical compatibility within the 1210 package. The 0.5W power rating provides margin above the original 0.333W specification. AEC-Q200 automotive qualification and pulse withstanding capability represent additional design benefits without introducing substitution risk. ROHS3 compliance and MSL 1 rating match the original specification.

Secondary Substitute: ERJ-14NF2801U

The ERJ-14NF2801U provides electrical and mechanical equivalence with identical resistance, tolerance, temperature coefficient, and operating range. However, this part carries "Not For New Designs" status, indicating discontinued or limited future availability. This substitute is suitable only for legacy system maintenance, repair, or applications where design refresh is not planned. The 0.5W power rating and AEC-Q200 qualification remain valid for substitution purposes.

Compliance Verification:

Both substitute parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating. Dimensional variations (height difference of 0.002" / 0.04mm) remain within typical PCB assembly tolerances for 1210 package components and do not affect functional substitution.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P14F2801U replace RC3225F2801CS in existing designs without circuit modification?

A: Yes. The ERJ-P14F2801U maintains identical electrical specifications (2.8 kOhms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and mechanical compatibility within the 1210 package. The higher power rating (0.5W vs. 0.333W) does not require circuit changes and provides additional thermal margin.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF2801U?

A: This designation indicates that Panasonic has discontinued or limited production of this part number. While the part remains electrically and mechanically equivalent, it should not be selected for new product development due to uncertain long-term availability. The ERJ-P14F2801U is the recommended alternative for new designs.

Q: Are there dimensional differences between the main part and substitutes?

A: Minor dimensional variations exist. The RC3225F2801CS measures 0.126" L x 0.100" W with 0.026" maximum seated height. Both Panasonic substitutes measure 0.126" L x 0.098" W with 0.028" maximum seated height. These differences (0.002" width, 0.002" height) fall within standard PCB assembly tolerances for 1210 components and do not affect placement or functionality.

Q: Does AEC-Q200 automotive qualification affect substitution suitability for non-automotive applications?

A: No. AEC-Q200 qualification represents an additional quality and reliability standard that does not restrict use in non-automotive applications. Components meeting automotive standards are suitable for general industrial and consumer applications.

Q: What is the impact of "Pulse Withstanding" capability on the ERJ-P14F2801U?

A: Pulse withstanding is an additional feature that enhances the component's ability to tolerate transient overvoltage events. This capability does not affect standard DC or AC circuit operation and provides design margin in applications subject to electrical transients. It does not disqualify the part for use in circuits without pulse requirements.

Q: Can I use these substitutes interchangeably in Tape & Reel or bulk packaging?

A: Yes. Packaging format (Tape & Reel vs. bulk) affects only procurement and assembly logistics, not electrical or mechanical substitution. The RC3225F2801CS (bulk packaging) can be replaced by ERJ-P14F2801U or ERJ-14NF2801U (Tape & Reel packaging) without functional impact.

Q: Are there any compliance or certification concerns when substituting these parts?

A: No. All parts maintain ROHS3 compliance, REACH unaffected status, and MSL 1 moisture sensitivity rating. Substitution does not introduce compliance risk for products meeting these standards.