RC3225F430CS Equivalent & Substitute Parts

Part Overview

The RC3225F430CS is a 43 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format. This component is rated for 0.333W (1/3W) power dissipation and features moisture-resistant construction with unlimited moisture sensitivity level (MSL 1). The part maintains Active product status and is RoHS3 compliant.

Equivalent and substitute parts are identified to provide design flexibility, accommodate supply chain variations, and support applications requiring alternative electrical or mechanical specifications within the same functional category.

Substiute Parts

RC3225F430CS

Samsung Electro-MechanicsIn Stock: 1035RC3225F430CS Datasheet

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AC1210FR-0743RL

YAGEOIn Stock: 5802AC1210FR-0743RL Datasheet

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RC1210FR-0743RL

YAGEOIn Stock: 38781RC1210FR-0743RL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225F430CS are qualified based on the following critical parameters:

Electrical Equivalence:

• Resistance value: 43 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C ~ 155°C (exact match required)

Mechanical Compatibility:

• Package format: 1210 (3225 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Number of terminations: 2 (exact match required)

Substitution Allowance:

• Power rating: Substitutes with equal or higher power dissipation capacity are acceptable (0.5W / 1/2W exceeds 0.333W / 1/3W requirement)
• Packaging format: Tape & Reel (TR) substitutes for standard packaging
• Certifications: Additional certifications (AEC-Q200) do not restrict substitution

Compliance Requirements:

• RoHS3 compliance (maintained across all substitutes)
• Moisture Sensitivity Level 1 (maintained across all substitutes)
• REACH Unaffected status (maintained across all substitutes)

Parameter Comparison

Engineering Selection Recommendations

RC1210FR-0743RL (YAGEO): This substitute provides direct electrical and mechanical equivalence to the RC3225F430CS with increased power dissipation capacity (0.5W versus 0.333W). The part maintains identical resistance, tolerance, temperature coefficient, and operating temperature specifications. RoHS3 compliance and MSL 1 rating are preserved. The RC1210FR-0743RL is suitable for applications where the original specification can accommodate higher power rating without design modification.

AC1210FR-0743RL (YAGEO): This substitute offers the same electrical and mechanical compatibility as the RC1210FR-0743RL with the addition of AEC-Q200 automotive qualification. The AC1210FR-0743RL is appropriate for automotive applications or designs requiring automotive-grade component certification. All core electrical parameters, compliance certifications, and moisture sensitivity ratings remain equivalent to the primary part.

Both substitutes are available in Tape & Reel (TR) packaging, which is standard for high-volume production environments. Selection between substitutes depends on application requirements: standard industrial use supports either option, while automotive applications benefit from AEC-Q200 qualification of the AC1210FR-0743RL variant.

Frequently Asked Questions (FAQ)

Q: Can RC1210FR-0743RL and AC1210FR-0743RL be used interchangeably with RC3225F430CS?

A: Both YAGEO parts are electrically and mechanically equivalent to the Samsung RC3225F430CS. They share identical resistance (43 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and package format (1210 / 3225 Metric). The higher power rating (0.5W versus 0.333W) does not restrict substitution. Selection depends on application requirements and packaging preferences.

Q: What is the difference between RC1210FR-0743RL and AC1210FR-0743RL?

A: Both parts are manufactured by YAGEO and share identical electrical specifications and package format. The AC1210FR-0743RL includes AEC-Q200 automotive qualification, making it suitable for automotive applications. The RC1210FR-0743RL is specified for general industrial use. Both maintain RoHS3 compliance and MSL 1 rating.

Q: Does the increased power rating of the substitute parts affect circuit design?

A: The substitute parts are rated for 0.5W (1/2W) power dissipation compared to the original 0.333W (1/3W) rating. This higher rating does not require circuit modification. The substitutes operate within the same electrical parameters and physical dimensions, allowing direct replacement in existing designs.

Q: Are the physical dimensions compatible between the main part and substitutes?

A: All parts use the 1210 (3225 Metric) package format. The main part measures 0.126" L x 0.100" W (3.20mm x 2.55mm) with maximum seated height of 0.026" (0.66mm). The substitute parts measure 0.122" L x 0.102" W (3.10mm x 2.60mm) with maximum seated height of 0.024" (0.60mm). These dimensional variations are within standard 1210 package tolerances and do not affect PCB layout compatibility.

Q: What packaging formats are available for these parts?

A: The RC3225F430CS is available in standard packaging. The substitute parts RC1210FR-0743RL and AC1210FR-0743RL are supplied in Tape & Reel (TR) format, which is standard for automated assembly processes. Tape & Reel packaging is compatible with standard pick-and-place equipment used in production environments.

Q: Do all parts maintain the same compliance certifications?

A: All three parts are RoHS3 compliant, REACH Unaffected, and rated MSL 1 (Unlimited moisture sensitivity level). The AC1210FR-0743RL includes additional AEC-Q200 automotive qualification. These certifications do not restrict cross-substitution for non-automotive applications.

Q: What is the temperature coefficient specification and does it differ between parts?

A: All parts maintain a temperature coefficient of ±100ppm/°C across the operating temperature range of -55°C ~ 155°C. This specification is identical across the main part and all substitutes, ensuring consistent performance across temperature variations.