RC3225F6652CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F6652CS is a 66.5 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 720 pieces available.

The RC3225F6652CS serves applications requiring precision resistive elements with moisture resistance and stable performance across industrial temperature ranges. Identifying equivalent and substitute parts is necessary when managing supply chain continuity, optimizing inventory allocation, or addressing component availability constraints while maintaining electrical and mechanical compatibility.

Substiute Parts

RC3225F6652CS

Samsung Electro-MechanicsIn Stock: 757RC3225F6652CS Datasheet

Current PartRFQ

ERJ-14NF6652U

Panasonic Electronic ComponentsIn Stock: 8934ERJ-14NF6652U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F6652CS is determined by strict alignment with the following parameters:

Critical Matching Parameters:

• Resistance value: 66.5 kOhms (exact match required)
• Tolerance: ±1% (equivalent or tighter tolerance acceptable)
• Package / Case: 1210 (3225 Metric) (identical footprint required)
• Composition: Thick Film (same technology class)

Acceptable Variation Parameters:

• Power Rating: Substitute must equal or exceed 0.333W minimum
• Temperature Coefficient: ±100ppm/°C or better
• Operating Temperature Range: Must encompass or match -55°C ~ 155°C
• Moisture Sensitivity Level: MSL 1 or equivalent
• RoHS / REACH Compliance: Must maintain or exceed current compliance status

The identified substitute ERJ-14NF6652U meets all critical matching parameters and exceeds the power rating specification at 0.5W (1/2W), providing thermal margin for the same electrical function.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection - RC3225F6652CS (Samsung Electro-Mechanics):

The RC3225F6652CS is the recommended primary component for new designs and ongoing production. This part maintains Active product status, ensuring long-term availability and manufacturer support. The component is ROHS3 compliant and REACH unaffected, meeting current regulatory requirements. With 720 pieces in current inventory, supply continuity is established for near-term production requirements.

Substitute Selection - ERJ-14NF6652U (Panasonic Electronic Components):

The ERJ-14NF6652U is electrically and mechanically compatible with the RC3225F6652CS for direct substitution in existing designs. This part provides identical electrical performance (66.5 kOhms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) within the same 1210 package footprint. The ERJ-14NF6652U exceeds the thermal requirement with 0.5W power rating versus the 0.333W specification, providing additional thermal margin.

The ERJ-14NF6652U carries AEC-Q200 automotive qualification, making it suitable for applications requiring automotive-grade components. However, this part is designated "Not For New Designs" by Panasonic, indicating it is maintained for legacy support and existing production lines only. The substitute should be selected only when RC3225F6652CS availability is constrained or when automotive qualification is a specific requirement.

Both parts maintain identical compliance status (ROHS3, REACH unaffected, MSL 1) and are suitable for industrial temperature range applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF6652U replace RC3225F6652CS in existing circuit designs?

A: Yes. The ERJ-14NF6652U is electrically and mechanically compatible. Both parts share identical resistance value (66.5 kOhms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and 1210 package footprint. The substitute's higher power rating (0.5W vs. 0.333W) does not create incompatibility and provides additional thermal margin.

Q: What is the difference in physical dimensions between these parts?

A: Both parts use the 1210 (3225 Metric) package with nearly identical dimensions. RC3225F6652CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" maximum seated height. ERJ-14NF6652U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" maximum seated height. These minor variations (0.05mm width difference, 0.02mm height difference) do not affect PCB footprint compatibility or assembly processes.

Q: Why is ERJ-14NF6652U marked "Not For New Designs"?

A: This designation indicates Panasonic has transitioned this part to legacy support status. The part remains available for existing production lines and designs but is not recommended for new product development. For new designs, RC3225F6652CS (Active status) is the preferred selection to ensure long-term availability and manufacturer commitment.

Q: Are both parts suitable for automotive applications?

A: RC3225F6652CS does not carry automotive qualification in the provided specifications. ERJ-14NF6652U carries AEC-Q200 automotive qualification. If automotive-grade components are required, ERJ-14NF6652U meets this requirement. If automotive qualification is not a design requirement, RC3225F6652CS is suitable for industrial and commercial applications.

Q: Do these parts have identical moisture sensitivity handling requirements?

A: Yes. Both parts are rated MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. Both parts can be stored and handled without special moisture control measures, and neither requires baking before reflow soldering.

Q: What is the packaging difference between these parts?

A: RC3225F6652CS is supplied in standard packaging (specific format not detailed in provided data). ERJ-14NF6652U is supplied in Tape & Reel (TR) format, which is standard for high-volume automated assembly. Both packaging formats are compatible with standard SMD assembly equipment.