RC3225F13R3CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F13R3CS is a 13.3 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 currently in active production status with 796 pieces available in stock. The part is designed for general-purpose applications requiring moisture-resistant thick film construction with RoHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified when alternative manufacturers offer components with matching or superior electrical and mechanical specifications within the same package footprint, enabling design flexibility and supply chain continuity.

Substiute Parts

RC3225F13R3CS

Samsung Electro-MechanicsIn Stock: 830RC3225F13R3CS Datasheet

Current PartRFQ

ERJ-14NF13R3U

Panasonic Electronic ComponentsIn Stock: 14253ERJ-14NF13R3U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F13R3CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 13.3 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 with equal or higher power ratings (≥0.333W) are acceptable, as they provide equivalent or improved thermal performance within the same package footprint.

The ERJ-14NF13R3U from Panasonic Electronic Components meets all mandatory parameters with a higher power rating of 0.5W (1/2W), making it a valid substitute. The increased power rating does not compromise compatibility and provides additional thermal margin for the application.

Parameter Comparison

Engineering Selection Recommendations

RC3225F13R3CS (Samsung Electro-Mechanics):

• Recommended for new designs requiring active product status and long-term supply assurance
• Suitable for applications where the 0.333W power rating is sufficient
• Moisture-resistant thick film construction with unlimited MSL rating

ERJ-14NF13R3U (Panasonic Electronic Components):

• Acceptable as a substitute where supply of the primary part is constrained
• Higher power rating (0.5W) provides thermal margin for demanding applications
• Carries "Not For New Designs" status; use only for legacy system support or when primary part is unavailable
• Includes AEC-Q200 automotive qualification, suitable for automotive-grade applications
• Dimensions are within acceptable tolerance for 1210 package footprint compatibility

Both parts maintain identical electrical specifications (13.3 Ohms ±1%, ±100ppm/°C, -55°C ~ 155°C) and RoHS3 compliance, ensuring functional equivalence in circuit applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF13R3U replace RC3225F13R3CS in existing designs?

A: Yes. The ERJ-14NF13R3U meets all mandatory electrical and mechanical parameters. The higher power rating (0.5W vs. 0.333W) is compatible with applications designed for the RC3225F13R3CS, as it provides equal or improved thermal performance within the same 1210 package footprint.

Q: What is the significance of the "Not For New Designs" status on the ERJ-14NF13R3U?

A: This designation indicates that Panasonic does not recommend the ERJ-14NF13R3U for new product development. It remains available for legacy system support and field replacements. For new designs, the RC3225F13R3CS (Active status) is the preferred choice.

Q: Are the physical dimensions compatible between these parts?

A: Yes. Both parts use the 1210 (3225 Metric) package. Dimensional variations (RC3225F13R3CS: 3.20mm x 2.55mm; ERJ-14NF13R3U: 3.20mm x 2.50mm) and height differences (0.66mm vs. 0.70mm) are within standard 1210 package tolerances and do not affect PCB layout compatibility.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the RC3225F13R3CS and ERJ-14NF13R3U are RoHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. Both carry MSL 1 (Unlimited) moisture sensitivity rating.

Q: What is the temperature coefficient tolerance, and does it affect substitution?

A: Both parts specify ±100ppm/°C temperature coefficient with identical operating range (-55°C ~ 155°C). This parameter is matched across both components, ensuring equivalent temperature stability in circuit applications.

Q: Can the ERJ-14NF13R3U be used in high-reliability or automotive applications?

A: The ERJ-14NF13R3U carries AEC-Q200 automotive qualification, making it suitable for automotive-grade applications. The RC3225F13R3CS does not list automotive certification. For automotive applications, the ERJ-14NF13R3U is the appropriate choice.