RC3225F48R7CS Equivalent & Substitute Parts

Part Overview

The RC3225F48R7CS is a 48.7 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 and features moisture-resistant construction suitable for general industrial applications. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across alternative manufacturers, enabling procurement flexibility and supply chain continuity.

Substiute Parts

RC3225F48R7CS

Samsung Electro-MechanicsIn Stock: 923RC3225F48R7CS Datasheet

Current PartRFQ

ERJ-14NF48R7U

Panasonic Electronic ComponentsIn Stock: 12205ERJ-14NF48R7U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F48R7CS is determined by strict alignment of the following parameters:

Critical Matching Parameters:

• Resistance value: 48.7 Ohms
• Tolerance: ±1%
• Package / Case: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 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-14NF48R7U from Panasonic Electronic Components qualifies as a substitute part. While rated at 0.5W (1/2W) compared to the 0.333W rating of the main part, this represents a higher power capability and does not restrict application in circuits designed for the lower-rated component. All other electrical and mechanical parameters align with the RC3225F48R7CS specification.

Parameter Comparison

Engineering Selection Recommendations

RC3225F48R7CS (Samsung Electro-Mechanics):

• Active product status supports long-term availability and design continuity
• Moisture-resistant construction specified for general industrial applications
• ROHS3 compliant and REACH unaffected

ERJ-14NF48R7U (Panasonic Electronic Components):

• Not For New Designs status indicates this part is in mature/declining phase
• AEC-Q200 automotive qualification provides additional reliability assurance beyond base specification
• Higher power rating (0.5W vs. 0.333W) offers thermal margin in existing designs
• ROHS3 compliant and REACH unaffected
• Suitable for replacement in fielded units or where automotive-grade reliability is beneficial

Selection between these parts should be based on product lifecycle requirements and application environment. The RC3225F48R7CS is preferred for new designs requiring long-term supplier support. The ERJ-14NF48R7U is applicable for retrofit or replacement scenarios where automotive-grade qualification adds value.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF48R7U replace RC3225F48R7CS in existing designs?

A: Yes. The ERJ-14NF48R7U meets all critical electrical parameters (48.7 Ohms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) and package specifications (1210 / 3225 Metric). The higher power rating (0.5W vs. 0.333W) does not create compatibility issues in circuits designed for the lower-rated component.

Q: Are there physical placement differences between these parts?

A: Dimensions are within standard 1210 package tolerances. RC3225F48R7CS measures 0.126" L x 0.100" W x 0.026" H (max). ERJ-14NF48R7U measures 0.126" L x 0.098" W x 0.028" H (max). These variations are negligible for PCB layout and assembly processes.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF48R7U?

A: This designation indicates Panasonic has classified this part as mature and is not actively promoting it for new product development. Existing inventory remains available for replacement and retrofit applications. For new designs, the RC3225F48R7CS (Active status) is the recommended choice.

Q: Does the AEC-Q200 qualification on ERJ-14NF48R7U provide additional benefits?

A: AEC-Q200 is an automotive industry reliability standard. While the RC3225F48R7CS does not carry this designation, both parts meet ROHS3 and REACH compliance. The AEC-Q200 qualification on ERJ-14NF48R7U indicates additional qualification testing and is beneficial in applications requiring automotive-grade reliability assurance.

Q: Are packaging formats compatible between these parts?

A: RC3225F48R7CS is supplied in standard packaging (not specified in detail). ERJ-14NF48R7U is supplied in Tape & Reel (TR) format. Both use identical 1210 package geometry. Tape & Reel format is standard for automated assembly and does not affect component compatibility.