RC3225F1472CS Equivalent & Substitute Parts

Part Overview

The RC3225F1472CS is a 14.7 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 and is designed for general-purpose applications requiring moisture-resistant construction. The part maintains Active product status with 945 units currently in stock.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative specifications within the established electrical and mechanical parameters.

Substiute Parts

RC3225F1472CS

Samsung Electro-MechanicsIn Stock: 959RC3225F1472CS Datasheet

Current PartRFQ

ERJ-14NF1472U

Panasonic Electronic ComponentsIn Stock: 13075ERJ-14NF1472U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F1472CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance Value: 14.7 kOhms
• Tolerance: ±1%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS Status: ROHS3 Compliant

Allowable Variation Parameters:

• Power Rating: Substitute parts may have equal or higher power ratings (0.333W or greater)
• Physical Dimensions: Minor variations within package specification tolerance
• Packaging Format: Original packaging format may differ (bulk vs. Tape & Reel)
• Product Status: Active or Not For New Designs status does not preclude substitution

The ERJ-14NF1472U meets all mandatory parameters while providing a higher power rating of 0.5W (1/2W), making it a valid electrical and mechanical substitute.

Parameter Comparison

Engineering Selection Recommendations

The ERJ-14NF1472U from Panasonic Electronic Components is electrically and mechanically compatible with the RC3225F1472CS for direct substitution in applications where the following conditions are met:

Compatibility Conditions:

1. Power Dissipation Headroom: The substitute part's 0.5W rating exceeds the original 0.333W specification, providing additional thermal margin in the application circuit.

2. Compliance Alignment: Both parts maintain ROHS3 compliance and REACH Unaffected status, ensuring regulatory compatibility in regulated markets.

3. Automotive Qualification: The ERJ-14NF1472U carries AEC-Q200 automotive qualification, which is not present in the RC3225F1472CS. This qualification is beneficial for automotive applications but does not restrict use in non-automotive circuits.

4. Physical Fit: Dimensional variations (length 3.20mm identical, width 2.50mm vs. 2.55mm, height 0.70mm vs. 0.66mm) remain within standard 1210 package tolerances and do not affect PCB footprint compatibility.

5. Product Status Consideration: The ERJ-14NF1472U carries "Not For New Designs" status, indicating Panasonic's preference for newer alternatives in new product development. However, this designation does not affect functional compatibility for existing designs or production continuity.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-14NF1472U replace the RC3225F1472CS in existing designs without circuit modification?

A: Yes. The substitute part maintains identical electrical specifications (14.7 kOhms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and compatible mechanical packaging (1210 / 3225 Metric). 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 the ERJ-14NF1472U?

A: This designation indicates that Panasonic recommends alternative parts for new product development. However, it does not affect the part's functionality, reliability, or compatibility with the RC3225F1472CS specification. The part remains suitable for production use and design continuity applications.

Q: Are there dimensional differences that affect PCB layout?

A: Dimensional variations are minimal and within standard 1210 package tolerances. Length remains 3.20mm (identical). Width varies from 2.55mm to 2.50mm (0.05mm difference). Height varies from 0.66mm to 0.70mm (0.04mm difference). These variations do not affect standard PCB footprint design or component placement.

Q: Does the AEC-Q200 automotive qualification on the ERJ-14NF1472U restrict its use to automotive applications?

A: No. AEC-Q200 qualification indicates the part meets automotive reliability standards and is suitable for automotive use. This qualification does not restrict the part's use in non-automotive applications. The part is fully compatible with general-purpose circuit designs.

Q: What is the difference in packaging between the two parts?

A: The RC3225F1472CS is supplied in bulk packaging format. The ERJ-14NF1472U is supplied in Tape & Reel (TR) format. Both formats contain identical components; packaging format selection depends on assembly process requirements and volume considerations.

Q: Are both parts RoHS compliant?

A: Yes. Both the RC3225F1472CS and ERJ-14NF1472U are ROHS3 compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic components in regulated markets.