RC3225F15R4CS Equivalent & Substitute Parts

Part Overview

The RC3225F15R4CS is a 15.4 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 moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, making it suitable for general industrial and commercial applications.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the main part's functional requirements, enabling direct replacement in circuit designs without performance degradation.

Substiute Parts

RC3225F15R4CS

Samsung Electro-MechanicsIn Stock: 995RC3225F15R4CS Datasheet

Current PartRFQ

ERJ-14NF15R4U

Panasonic Electronic ComponentsIn Stock: 12889ERJ-14NF15R4U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225F15R4CS are identified based on the following critical parameters:

Electrical Equivalence:

• Resistance value must be 15.4 Ohms
• Tolerance must be ±1% or tighter
• Temperature coefficient must be ±100ppm/°C or better
• Operating temperature range must encompass -55°C to 155°C

Mechanical Compatibility:

• Package must be 1210 (3225 Metric)
• Physical dimensions must be compatible with PCB footprints designed for 1210 packages
• Composition must be thick film technology

Compliance & Certification:

• RoHS3 compliance required
• REACH unaffected status required
• Moisture sensitivity level MSL 1 acceptable

Power Rating Consideration:

• Substitute parts may have equal or higher power ratings (0.333W or greater)
• Higher power ratings provide additional thermal margin without affecting circuit function

The identified substitute ERJ-14NF15R4U meets all electrical and mechanical parameters while offering enhanced power rating (0.5W vs. 0.333W) and automotive-grade AEC-Q200 certification.

Parameter Comparison

Engineering Selection Recommendations

Primary Part (RC3225F15R4CS): The RC3225F15R4CS maintains Active product status with current manufacturing support. Selection is appropriate for new designs requiring Samsung Electro-Mechanics sourcing or existing designs with established supply chains. Moisture-resistant construction and unlimited MSL rating provide flexibility in storage and handling protocols.

Substitute Part (ERJ-14NF15R4U): The ERJ-14NF15R4U is classified as Not For New Designs, indicating Panasonic has transitioned this part to legacy status. However, it remains electrically and mechanically equivalent to the primary part with the following distinctions:

• Enhanced power rating (0.5W vs. 0.333W) provides additional thermal dissipation capability
• AEC-Q200 automotive qualification indicates enhanced reliability screening and qualification testing
• Panasonic ERJ-14N series availability supports applications requiring automotive-grade components or secondary sourcing strategies

Selection between these parts should be based on:

1. Supply chain requirements and manufacturer preference
2. Automotive qualification necessity (AEC-Q200 for ERJ-14NF15R4U)
3. Product lifecycle status alignment with design phase (Active vs. Not For New Designs)
4. Thermal margin requirements in the application circuit

Both parts satisfy all mandatory electrical, mechanical, and compliance parameters for direct substitution.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF15R4U replace RC3225F15R4CS in existing designs?

A: Yes. The ERJ-14NF15R4U meets all electrical specifications (15.4 Ohms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and mechanical requirements (1210 package, compatible dimensions). The higher power rating (0.5W vs. 0.333W) does not affect circuit function and provides additional thermal margin. Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF15R4U?

A: This designation indicates Panasonic has discontinued active development and new product qualification for this part number. Existing inventory remains available for purchase, but the manufacturer does not recommend this part for new circuit designs. For new designs, RC3225F15R4CS (Active status) is the preferred selection.

Q: Are the physical dimensions identical between these parts?

A: Dimensions are compatible but not identical. RC3225F15R4CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" max height. ERJ-14NF15R4U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" max height. Both fit standard 1210 PCB footprints without modification. Verify PCB layout clearances if height tolerance is critical.

Q: Does the higher power rating of ERJ-14NF15R4U affect circuit performance?

A: No. Power rating represents maximum thermal dissipation capability. A 0.5W part operating at 0.333W or lower dissipation performs identically to a 0.333W part. The higher rating provides thermal safety margin without changing electrical characteristics or circuit behavior.

Q: Are both parts suitable for automotive applications?

A: RC3225F15R4CS carries no automotive qualification designation. ERJ-14NF15R4U holds AEC-Q200 automotive qualification, indicating enhanced reliability testing and screening. For automotive applications, ERJ-14NF15R4U is the appropriate selection despite its legacy status.

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

A: ERJ-14NF15R4U is supplied in Tape & Reel format, standard for automated PCB assembly. RC3225F15R4CS packaging format is not specified in provided data. Verify packaging compatibility with assembly equipment and procurement requirements before final part selection.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. Both parts operate across the identical temperature range (-55°C to 155°C) with matching temperature coefficient (±100ppm/°C). Thermal performance is equivalent within specified operating limits.