RC3225F5361CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F5361CS is a 5.36 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 with 1056 units currently in stock inventory.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit higher power ratings or alternative certifications such as automotive qualification. The ERJ-14NF5361U from Panasonic Electronic Components serves as a direct electrical equivalent with enhanced power handling capability, though it carries a "Not For New Designs" status.

Substiute Parts

RC3225F5361CS

Samsung Electro-MechanicsIn Stock: 1076RC3225F5361CS Datasheet

Current PartRFQ

ERJ-14NF5361U

Panasonic Electronic ComponentsIn Stock: 14124ERJ-14NF5361U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC3225F5361CS is determined by strict alignment of electrical and mechanical parameters. The primary substitute, ERJ-14NF5361U, qualifies as an equivalent based on the following criteria:

Matching Parameters (Required for Substitution):

• Resistance value: 5.36 kOhms (identical)
• Tolerance: ±1% (identical)
• Package format: 1210 (3225 Metric) (identical)
• Composition: Thick Film (identical)
• Temperature coefficient: ±100ppm/°C (identical)
• Operating temperature range: -55°C ~ 155°C (identical)
• Moisture sensitivity level: MSL 1 (identical)
• RoHS compliance: ROHS3 Compliant (identical)

Allowable Variance:

• Power rating: ERJ-14NF5361U is rated at 0.5W (1/2W), which exceeds the RC3225F5361CS requirement of 0.333W (1/3W). Higher power ratings are acceptable in substitution scenarios as they provide additional thermal margin.

Dimensional Compatibility:

• RC3225F5361CS: 0.126" L x 0.100" W (3.20mm x 2.55mm), Height 0.026" (0.66mm)
• ERJ-14NF5361U: 0.126" L x 0.098" W (3.20mm x 2.50mm), Height 0.028" (0.70mm)

Both components fit the 1210 package specification with negligible dimensional variance suitable for standard PCB footprints.

Parameter Comparison

Engineering Selection Recommendations

Primary Component (RC3225F5361CS): The RC3225F5361CS maintains Active product status and is recommended for new designs requiring standard industrial-grade thick film resistors. This component is suitable for general-purpose applications where automotive qualification is not required. With 1056 units in current inventory, supply availability is established.

Substitute Component (ERJ-14NF5361U): The ERJ-14NF5361U qualifies as an electrical and mechanical equivalent with the following considerations:

• Product Status Limitation: This component carries "Not For New Designs" designation, indicating Panasonic has transitioned this part to end-of-life status. Use is restricted to replacement, repair, or continuation of existing designs only.

• Power Rating Advantage: The 0.5W rating provides 50% additional power dissipation capacity compared to the 0.333W primary component, offering thermal margin in applications approaching power limits.

• Automotive Certification: AEC-Q200 qualification makes this substitute suitable for automotive applications where the primary component lacks such certification.

• Compliance Alignment: Both components maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory and handling compatibility.

Selection Criteria:

• Use RC3225F5361CS for new designs and applications without automotive requirements
• Use ERJ-14NF5361U only for existing design continuation or replacement scenarios where supply of the primary component is unavailable
• Verify application power dissipation does not exceed 0.333W to maintain design margin with the primary component

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF5361U be used as a direct replacement for RC3225F5361CS in new designs?

A: No. The ERJ-14NF5361U carries "Not For New Designs" status. New designs must use RC3225F5361CS or equivalent active-status components. The substitute is restricted to replacement and continuation of existing designs only.

Q: Are the physical dimensions compatible between these two parts?

A: Yes. Both components use the 1210 (3225 Metric) package format. Dimensional variance is minimal: RC3225F5361CS measures 3.20mm x 2.55mm with 0.66mm height, while ERJ-14NF5361U measures 3.20mm x 2.50mm with 0.70mm height. Both fit standard 1210 PCB footprints without modification.

Q: What is the significance of the higher power rating on the ERJ-14NF5361U?

A: The ERJ-14NF5361U is rated at 0.5W (1/2W) compared to the RC3225F5361CS at 0.333W (1/3W). This 50% increase in power capacity allows the substitute to operate with greater thermal margin in applications approaching the primary component's power limit. However, the application design should not exceed 0.333W to maintain consistency with the original specification.

Q: Do both components meet the same compliance standards?

A: Yes. Both RC3225F5361CS and ERJ-14NF5361U are ROHS3 compliant, REACH unaffected, and carry MSL 1 (Unlimited) moisture sensitivity rating. Regulatory and handling requirements are identical.

Q: What is the difference between the temperature coefficients?

A: Both components specify ±100ppm/°C temperature coefficient and operate across -55°C to 155°C. Temperature stability characteristics are identical.

Q: Why does ERJ-14NF5361U have AEC-Q200 certification while RC3225F5361CS does not?

A: AEC-Q200 is an automotive qualification standard. Panasonic's ERJ-14NF5361U meets this automotive-grade specification, making it suitable for automotive applications. The RC3225F5361CS does not carry this certification and is classified as industrial-grade. Selection depends on application requirements.

Q: Can I use ERJ-14NF5361U in a design originally specified for RC3225F5361CS?

A: Substitution is permissible only if the original design is in production or maintenance phase and RC3225F5361CS supply is unavailable. The substitute meets all electrical and mechanical requirements. However, this substitution should be documented and approved through design change control procedures. New designs must not be initiated with ERJ-14NF5361U due to its "Not For New Designs" status.

Q: What packaging formats are available for these components?

A: RC3225F5361CS is supplied in standard packaging (specific format not detailed in provided data). ERJ-14NF5361U is available in Tape & Reel (TR) format. Verify packaging compatibility with your procurement and assembly requirements.

Q: Are there any tolerance differences between these components?

A: No. Both components maintain ±1% tolerance on the 5.36 kOhms resistance value. Tolerance specifications are identical.