RC3225F2430CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F2430CS is a 243 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.333W (1/3W) in a 1210 (3225 Metric) package. This component is classified as Active product status with 969 pieces currently in stock. The part is designed for general-purpose applications requiring moisture-resistant thick film construction and operates across the temperature range of -55°C to 155°C. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are required due to inventory constraints, supply chain considerations, or specific application requirements.

Substiute Parts

RC3225F2430CS

Samsung Electro-MechanicsIn Stock: 979RC3225F2430CS Datasheet

Current PartRFQ

ERJ-14NF2430U

Panasonic Electronic ComponentsIn Stock: 12022ERJ-14NF2430U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC3225F2430CS is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 243 Ohms
• Tolerance: ±1%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Number of Terminations: 2
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

Allowable Variation:

• Power Rating: Substitute parts may have equal or higher power ratings (0.333W or greater)
• Physical dimensions: Minor variations within standard 1210 package tolerances are acceptable

The ERJ-14NF2430U from Panasonic Electronic Components qualifies as a substitute part. While it carries a higher power rating of 0.5W (1/2W) compared to the 0.333W specification of the main part, this represents an uprated capability that maintains full compatibility. The substitute part meets all mandatory electrical and mechanical parameters, including resistance, tolerance, package type, composition, temperature characteristics, and compliance certifications.

Parameter Comparison

Engineering Selection Recommendations

RC3225F2430CS (Primary Selection): The RC3225F2430CS maintains Active product status and is recommended for new designs and applications requiring long-term supply continuity. With 969 pieces in current inventory, this part provides immediate availability. The component is suitable for general-purpose applications where the 0.333W power rating meets circuit requirements.

ERJ-14NF2430U (Substitute Selection): The ERJ-14NF2430U is classified as Not For New Designs but remains available with 11,923 pieces in stock. This substitute is suitable for replacement, repair, or legacy system applications where the higher 0.5W power rating provides additional thermal margin. The uprated power capability ensures the substitute will not introduce thermal limitations in circuits originally designed for the RC3225F2430CS. Both parts maintain identical electrical performance at the 243 Ohm specification and share full compliance with ROHS3 and REACH requirements.

Selection between these parts should be based on application lifecycle requirements and supply chain strategy rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-14NF2430U replace the RC3225F2430CS in existing designs?

A: Yes. The ERJ-14NF2430U is electrically and mechanically compatible. The higher power rating (0.5W versus 0.333W) represents increased thermal capability and does not create incompatibility. Physical dimensions remain within 1210 package tolerances, and all electrical parameters including resistance, tolerance, and temperature characteristics are identical.

Q: What is the significance of the "Not For New Designs" status on the ERJ-14NF2430U?

A: This designation indicates that Panasonic does not recommend the ERJ-14NF2430U for new product development. However, it remains suitable for replacement applications, repair, and legacy system support where supply of the original part is unavailable.

Q: Are there dimensional differences between these parts?

A: Minor dimensional variations exist within standard 1210 package tolerances. The RC3225F2430CS measures 0.126" L x 0.100" W with a maximum seated height of 0.026", while the ERJ-14NF2430U measures 0.126" L x 0.098" W with a maximum seated height of 0.028". These differences fall within acceptable PCB layout and assembly tolerances for 1210 components.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the RC3225F2430CS and ERJ-14NF2430U are ROHS3 Compliant, REACH Unaffected, and classified as Moisture Sensitivity Level 1 (Unlimited). They share identical environmental and regulatory compliance profiles.

Q: What determines whether a part qualifies as a substitute?

A: Substitution is based on matching resistance value (243 Ohms), tolerance (±1%), package type (1210), composition (Thick Film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), and compliance certifications. Power rating may be equal or higher in the substitute part.