RC3225F4641CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F4641CS is a 4.64 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 1148 units currently in stock inventory.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained within the specified parameter tolerances. Alternative sources become necessary due to supply chain considerations, inventory availability, or application-specific requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC3225F4641CS

Samsung Electro-MechanicsIn Stock: 1168RC3225F4641CS Datasheet

Current PartRFQ

CRCW12104K64FKEA

Vishay DaleIn Stock: 6030CRCW12104K64FKEA Datasheet

SimilarRFQ

ERJ-14NF4641U

Panasonic Electronic ComponentsIn Stock: 13566ERJ-14NF4641U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F4641CS is determined by strict alignment with the following core parameters:

Mandatory Matching Parameters:

• Resistance value: 4.64 kOhms
• Tolerance: ±1%
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation Parameters:

• Power rating: Substitute parts may exceed the 0.333W specification, provided the package dimensions remain compatible with 1210 form factor
• Packaging format: Original part supplied in bulk; substitutes may be supplied in Tape & Reel (TR) format
• Compliance certifications: Substitutes may include additional certifications (AEC-Q200) beyond the base requirement

The identified substitute parts CRCW12104K64FKEA and ERJ-14NF4641U meet all mandatory matching criteria while offering enhanced power ratings (0.5W / 1/2W) within the same mechanical envelope.

Parameter Comparison

Engineering Selection Recommendations

CRCW12104K64FKEA (Vishay Dale) is the primary substitute option. This part maintains full electrical and mechanical compatibility with the RC3225F4641CS while offering increased power dissipation capability (0.5W versus 0.333W). Both components are ROHS3 compliant and carry Active product status, ensuring long-term availability and design continuity. The Vishay part includes AEC-Q200 automotive qualification, providing additional reliability assurance for applications requiring automotive-grade components. Tape & Reel packaging is suitable for automated assembly processes.

ERJ-14NF4641U (Panasonic Electronic Components) meets all core electrical and mechanical substitution criteria. However, this part carries a "Not For New Designs" product status designation, indicating that Panasonic has discontinued active development for this component line. Additionally, this part is RoHS non-compliant, which may restrict its use in applications subject to RoHS regulations. The ERJ-14NF4641U should be considered only when existing inventory constraints or legacy design requirements necessitate its use. The higher inventory level (13483 units) reflects its legacy status rather than active market demand.

For new designs and applications without legacy constraints, CRCW12104K64FKEA is the recommended substitute due to its Active status, full RoHS3 compliance, and automotive qualification.

Frequently Asked Questions (FAQ)

Q: Can CRCW12104K64FKEA be used as a direct replacement for RC3225F4641CS in existing designs?

A: Yes. Both parts share identical resistance value (4.64 kOhms), tolerance (±1%), package format (1210 / 3225 Metric), composition (thick film), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The CRCW12104K64FKEA provides higher power rating (0.5W versus 0.333W), which is compatible with the same mechanical envelope and does not create design conflicts.

Q: What is the difference between bulk packaging and Tape & Reel (TR) packaging?

A: The RC3225F4641CS is supplied in bulk format, suitable for manual assembly or small-volume applications. CRCW12104K64FKEA and ERJ-14NF4641U are supplied in Tape & Reel format, optimized for automated pick-and-place assembly equipment. Both packaging formats contain the same component; the difference is in handling and assembly methodology.

Q: Why is ERJ-14NF4641U marked "Not For New Designs"?

A: This designation indicates that Panasonic has transitioned this product line to end-of-life status and is not recommending it for new circuit designs. While existing inventory remains available, the manufacturer provides no guarantee of long-term supply continuity. New designs should specify CRCW12104K64FKEA or equivalent active-status alternatives.

Q: Does the higher power rating of substitute parts affect circuit performance?

A: No. Power rating indicates the maximum power dissipation capability of the component. A 0.5W-rated resistor can safely operate at 0.333W or lower power levels without performance degradation. The higher rating provides additional thermal margin and reliability headroom in the application.

Q: Are there compliance differences between the main part and substitutes?

A: RC3225F4641CS and CRCW12104K64FKEA are both ROHS3 compliant. ERJ-14NF4641U is RoHS non-compliant. For applications subject to RoHS regulations (EU, California, or equivalent), CRCW12104K64FKEA is the appropriate substitute. Both CRCW12104K64FKEA and ERJ-14NF4641U carry AEC-Q200 automotive qualification, which the main part does not specify.

Q: Can physical dimensions vary between these parts?

A: All three parts use the 1210 (3225 Metric) package format with length 0.126" (3.20mm) and width approximately 0.098-0.100". Height variations are minimal (0.024" to 0.028" seated maximum), well within PCB assembly tolerances. These dimensional differences do not affect interchangeability in standard circuit board layouts.