RC3225F9531CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F9531CS is a 9.53 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.333W (1/3W) power dissipation in a 1210 (3225 Metric) surface mount package. This component is classified as Active product status and is currently in stock with 722 pieces available.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative manufacturers meeting equivalent electrical and mechanical specifications. The RC3225F9531CS can be substituted with components sharing identical resistance value, tolerance, package dimensions, and operating temperature range while maintaining compliance with applicable standards.

Substiute Parts

RC3225F9531CS

Samsung Electro-MechanicsIn Stock: 830RC3225F9531CS Datasheet

Current PartRFQ

ERJ-14NF9531U

Panasonic Electronic ComponentsIn Stock: 8860ERJ-14NF9531U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F9531CS is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 9.53 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: MSL 1 or better
• RoHS Compliance: ROHS3 Compliant

Allowable Variation:

• Power rating may exceed 0.333W (higher power ratings are acceptable for direct substitution)
• Packaging format may differ (Tape & Reel acceptable for Tape & Reel applications)
• Supplier device package dimensions may vary within standard 1210 tolerances

The ERJ-14NF9531U from Panasonic Electronic Components qualifies as a direct substitute based on matching all mandatory parameters while providing increased power rating (0.5W vs. 0.333W).

Parameter Comparison

Engineering Selection Recommendations

RC3225F9531CS (Samsung Electro-Mechanics):

• Active product status with confirmed availability (722 pieces in stock)
• Suitable for new designs and production applications
• Moisture Resistant feature designation
• Standard 1/3W power rating

ERJ-14NF9531U (Panasonic Electronic Components):

• Not For New Designs product status
• Higher inventory availability (8809 pieces in stock)
• AEC-Q200 automotive qualification
• Enhanced power rating (0.5W) provides thermal margin
• Tape & Reel packaging format
• Suitable for replacement and legacy design support

Selection between these components should be based on product lifecycle requirements and design phase. The RC3225F9531CS is the preferred choice for new designs. The ERJ-14NF9531U serves as a viable substitute for existing designs, maintenance applications, or when higher power dissipation capability is beneficial.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF9531U replace RC3225F9531CS in existing designs?

A: Yes. The ERJ-14NF9531U meets all mandatory electrical parameters (9.53 kOhms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) and package specifications (1210 / 3225 Metric). The higher power rating (0.5W vs. 0.333W) does not create compatibility issues and provides additional thermal margin.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF9531U?

A: This designation indicates Panasonic has classified this part for legacy support and replacement applications only. New designs should utilize the RC3225F9531CS or other Active-status alternatives. Existing designs currently using ERJ-14NF9531U may continue without modification.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within standard 1210 package tolerances. RC3225F9531CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" max height. ERJ-14NF9531U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" max height. Both conform to 1210 (3225 Metric) specifications and are mechanically interchangeable on standard PCB layouts.

Q: Does AEC-Q200 qualification on ERJ-14NF9531U affect substitution suitability?

A: AEC-Q200 is an automotive qualification standard. Its presence on ERJ-14NF9531U indicates enhanced reliability testing and does not restrict use in non-automotive applications. This qualification is additive and does not create incompatibility with designs not requiring automotive-grade components.

Q: What packaging formats are available?

A: RC3225F9531CS is supplied in standard packaging format. ERJ-14NF9531U is supplied in Tape & Reel (TR) format. Both formats contain identical components; packaging format selection depends on assembly process requirements and volume handling procedures.

Q: Are both parts RoHS compliant?

A: Yes. Both RC3225F9531CS and ERJ-14NF9531U are ROHS3 Compliant and REACH Unaffected, meeting current environmental and regulatory requirements for electronic component manufacturing and distribution.