RC3225F1430CS Equivalent & Substitute Parts

Part Overview

The RC3225F1430CS is a 143 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 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 footprint, allowing for design flexibility and supply chain continuity.

Substiute Parts

RC3225F1430CS

Samsung Electro-MechanicsIn Stock: 1106RC3225F1430CS Datasheet

Current PartRFQ

ERJ-14NF1430U

Panasonic Electronic ComponentsIn Stock: 9539ERJ-14NF1430U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F1430CS is determined by the following criteria:

Mandatory Matching Parameters:

• Resistance value: 143 Ohms
• Tolerance: ±1%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS3 Compliance

Allowable Variation:

• Power Rating: Substitute parts may have equal or higher power ratings (0.333W or greater)
• Physical dimensions: Minor variations within supplier device package specifications are acceptable
• Moisture Sensitivity Level: MSL 1 rating is maintained across all substitutes

The identified substitute ERJ-14NF1430U meets all mandatory parameters with an increased power rating of 0.5W (1/2W), providing enhanced thermal performance while maintaining electrical equivalence.

Parameter Comparison

Engineering Selection Recommendations

RC3225F1430CS (Primary Selection): The RC3225F1430CS maintains Active product status, indicating ongoing manufacturer support and availability. This component is suitable for new design implementations and applications requiring long-term supply assurance.

ERJ-14NF1430U (Substitute Selection): The ERJ-14NF1430U is classified as Not For New Designs. While electrically and mechanically equivalent with identical resistance, tolerance, and temperature specifications, this part carries a product status restriction. The ERJ-14NF1430U is appropriate for legacy system maintenance, repair operations, or applications where existing inventory must be utilized. The increased power rating (0.5W versus 0.333W) provides thermal margin in applications operating near maximum current limits.

Both parts maintain ROHS3 compliance and unlimited moisture sensitivity rating, ensuring regulatory and environmental compatibility across applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF1430U be used as a direct replacement for RC3225F1430CS in new designs?

A: Electrical and mechanical compatibility is confirmed. However, ERJ-14NF1430U carries Not For New Designs status. For new product development, RC3225F1430CS is the recommended selection to ensure long-term supply continuity and manufacturer support.

Q: What is the significance of the power rating difference (0.333W vs 0.5W)?

A: Both parts are rated for the same 1210 package footprint. The ERJ-14NF1430U's higher power rating indicates enhanced thermal dissipation capability. In applications where the resistor operates at or near maximum current limits, the substitute provides additional thermal margin. The 143 Ohm resistance value and ±1% tolerance remain identical.

Q: Are there physical dimension differences that affect PCB layout?

A: Dimensions are within acceptable tolerance for the 1210 package. RC3225F1430CS measures 3.20mm x 2.55mm with 0.66mm maximum height. ERJ-14NF1430U measures 3.20mm x 2.50mm with 0.70mm maximum height. These variations are within standard 1210 package specifications and do not require PCB redesign.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both RC3225F1430CS and ERJ-14NF1430U are ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating. REACH status is Unaffected for both parts, and both carry EAR99 ECCN classification.

Q: What is the temperature coefficient significance?

A: Both parts specify ±100ppm/°C temperature coefficient across the -55°C to 155°C operating range. This identical specification ensures equivalent resistance stability across temperature variations in thermal cycling or wide-temperature-range applications.