RC3225F9310CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F9310CS is a 931 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format with 0.333W (1/3W) power rating. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package class, enabling component interchangeability in circuit designs where the original part becomes unavailable or inventory constraints require alternative sourcing.

Substiute Parts

RC3225F9310CS

Samsung Electro-MechanicsIn Stock: 1075RC3225F9310CS Datasheet

Current PartRFQ

ERJ-14NF9310U

Panasonic Electronic ComponentsIn Stock: 12663ERJ-14NF9310U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F9310CS is determined by strict alignment of the following parameters:

Primary Substitution Criteria:

• Resistance value: 931 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match or wider range acceptable)
• RoHS3 Compliance: Required
• Moisture Sensitivity Level: 1 (Unlimited) (exact match required)

Secondary Compatibility Factors:

• Power rating may exceed the original specification (0.333W minimum)
• Mechanical dimensions within 1210 package tolerance
• Number of terminations: 2 (fixed for all chip resistors in this category)

The ERJ-14NF9310U from Panasonic Electronic Components meets all primary substitution criteria with an elevated power rating of 0.5W (1/2W), providing enhanced thermal margin while maintaining identical electrical performance at the specified 931 Ohm resistance and ±1% tolerance.

Parameter Comparison

Engineering Selection Recommendations

RC3225F9310CS (Samsung Electro-Mechanics) - Primary Selection

Use the RC3225F9310CS when:

• Active product status is required for new designs
• Samsung component qualification is specified in design documentation
• Original equipment manufacturer (OEM) part traceability is mandatory
• Current inventory availability meets production schedules (984 Pcs in stock)

ERJ-14NF9310U (Panasonic Electronic Components) - Substitute Selection

Use the ERJ-14NF9310U when:

• RC3225F9310CS becomes unavailable or supply is constrained
• Automotive AEC-Q200 qualification provides additional design margin
• Higher power dissipation capability (0.5W vs. 0.333W) is beneficial for thermal performance
• Panasonic component qualification is acceptable per design requirements
• Note: Product status is "Not For New Designs"; use only for replacement or legacy system support

Compliance Verification:

Both components maintain ROHS3 compliance and REACH unaffected status, ensuring regulatory compatibility across EU and international markets. Moisture sensitivity level 1 (unlimited) eliminates special handling requirements during assembly and storage.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF9310U replace RC3225F9310CS in all applications?

A: Yes, within the specified electrical and mechanical parameters. The ERJ-14NF9310U provides identical resistance (931 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). The higher power rating (0.5W vs. 0.333W) is compatible with all circuits designed for the original 0.333W component. Verify that your design does not have specific manufacturer requirements that exclude Panasonic components.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF9310U?

A: This designation indicates that Panasonic has classified this part number for legacy or replacement applications only. New circuit designs should prioritize the RC3225F9310CS or evaluate alternative current-generation part numbers. However, for existing production lines or field replacements, ERJ-14NF9310U remains a valid electrical and mechanical substitute.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within 1210 package tolerance. RC3225F9310CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" max height, while ERJ-14NF9310U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" max height. These differences remain within standard 1210 package specifications and do not affect PCB layout or assembly compatibility.

Q: Why does ERJ-14NF9310U have a higher power rating?

A: The 0.5W (1/2W) rating on ERJ-14NF9310U reflects Panasonic's design specifications for this part number. Higher power ratings provide additional thermal margin and do not negatively impact circuits designed for lower power dissipation. The component will operate safely at or below its rated power level.

Q: What packaging format is ERJ-14NF9310U supplied in?

A: ERJ-14NF9310U is supplied in Tape & Reel (TR) format, suitable for automated pick-and-place assembly. Verify that your assembly equipment is compatible with tape reel specifications before ordering.

Q: Are both parts RoHS3 compliant?

A: Yes, both RC3225F9310CS and ERJ-14NF9310U are ROHS3 compliant with unlimited moisture sensitivity (MSL 1), eliminating special handling or baking requirements during manufacturing and assembly.