RC3225F14R7CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F14R7CS is a 14.7 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.333W (1/3W) power dissipation 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 form factor. The primary substitute listed is the ERJ-14NF14R7U from Panasonic Electronic Components, which shares identical resistance, tolerance, and package dimensions while offering higher power rating and automotive-grade qualification.

Substiute Parts

RC3225F14R7CS

Samsung Electro-MechanicsIn Stock: 857RC3225F14R7CS Datasheet

Current PartRFQ

ERJ-14NF14R7U

Panasonic Electronic ComponentsIn Stock: 19375ERJ-14NF14R7U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution logic for the RC3225F14R7CS is based on the following mandatory alignment criteria:

Electrical Parameters (Must Match):

• Resistance value: 14.7 Ohms
• Tolerance: ±1%
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters (Must Match):

• Package type: 1210 (3225 Metric)
• Composition: Thick Film
• Number of terminations: 2

Flexible Parameters (May Exceed Specification):

• Power rating: Substitute may equal or exceed 0.333W
• Moisture sensitivity level: Substitute must meet or exceed MSL 1
• RoHS compliance: Substitute must maintain ROHS3 compliance

The ERJ-14NF14R7U qualifies as a direct substitute because it maintains all mandatory electrical and mechanical parameters while providing enhanced power rating (0.5W vs. 0.333W) and automotive-grade AEC-Q200 certification. The higher power rating provides additional thermal margin without affecting circuit function.

Parameter Comparison

Engineering Selection Recommendations

RC3225F14R7CS (Samsung Electro-Mechanics):

• Product Status: Active
• Recommended for new designs requiring Samsung component qualification
• Standard 1/3W power rating suitable for general-purpose applications
• Full RoHS3 compliance and unlimited moisture sensitivity rating

ERJ-14NF14R7U (Panasonic Electronic Components):

• Product Status: Not For New Designs
• Suitable for replacement and legacy system applications
• Enhanced 1/2W power rating provides thermal margin for demanding environments
• AEC-Q200 automotive qualification enables use in automotive and high-reliability applications
• Identical electrical performance with superior power dissipation capability

Selection between these parts depends on application requirements and design phase. For new designs, the RC3225F14R7CS maintains active manufacturer support. For applications requiring automotive qualification or higher thermal headroom, the ERJ-14NF14R7U provides equivalent electrical performance with enhanced specifications despite its "Not For New Designs" status.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF14R7U replace RC3225F14R7CS in existing designs?

A: Yes. The ERJ-14NF14R7U maintains identical resistance (14.7 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C ~ 155°C). Both components use 1210 (3225 Metric) package with 2 terminations. The substitute's higher power rating (0.5W vs. 0.333W) does not affect circuit function and provides additional thermal margin.

Q: What are the physical compatibility considerations?

A: Both components use the 1210 (3225 Metric) package with compatible dimensions. The RC3225F14R7CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with 0.026" maximum seated height. The ERJ-14NF14R7U measures 0.126" L x 0.098" W (3.20mm x 2.50mm) with 0.028" maximum seated height. These minor dimensional variations remain within standard PCB footprint tolerances and do not affect placement or soldering.

Q: Are there regulatory compliance differences?

A: Both components maintain ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity rating. The ERJ-14NF14R7U includes AEC-Q200 automotive qualification, which is not specified for the RC3225F14R7CS. This additional certification enables use in automotive and high-reliability applications where automotive-grade components are required.

Q: Why is ERJ-14NF14R7U marked "Not For New Designs"?

A: This designation reflects Panasonic's product lifecycle management and does not indicate technical inadequacy. The component remains fully functional and suitable for replacement applications, legacy system support, and designs where automotive qualification is beneficial. New designs may select the active RC3225F14R7CS or evaluate other active alternatives based on specific requirements.

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

A: Yes. Both components operate across the identical temperature range of -55°C ~ 155°C with matching temperature coefficient of ±100ppm/°C. Thermal performance is equivalent within their respective power ratings. The ERJ-14NF14R7U's higher power rating (0.5W) provides additional thermal dissipation capability in applications approaching the 0.333W limit.

Q: What packaging formats are available?

A: The RC3225F14R7CS is supplied in standard packaging (format not specified in provided data). The ERJ-14NF14R7U is available in Tape & Reel (TR) format, which is standard for high-volume automated assembly. Packaging format selection depends on production volume and assembly equipment compatibility.