RC3225F56R2CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F56R2CS is a 56.2 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 with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with full ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, temperature coefficient) and mechanical compatibility (package size, termination count, operating temperature range). Substitute parts may offer enhanced power ratings, automotive qualification, or pulse-withstanding capabilities while maintaining core electrical parameters.

Substiute Parts

RC3225F56R2CS

Samsung Electro-MechanicsIn Stock: 772RC3225F56R2CS Datasheet

Current PartRFQ

CRCW121056R2FKEA

Vishay DaleIn Stock: 5920CRCW121056R2FKEA Datasheet

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ERJ-14NF56R2U

Panasonic Electronic ComponentsIn Stock: 12844ERJ-14NF56R2U Datasheet

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ERJ-P14F56R2U

Panasonic Electronic ComponentsIn Stock: 1757ERJ-P14F56R2U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F56R2CS is determined by the following mandatory parameters:

Core Electrical Compatibility:

• Resistance value: 56.2 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature range: -55°C to 155°C (minimum requirement)

Mechanical Compatibility:

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

Regulatory Compliance:

• RoHS3 compliance (required)
• Moisture sensitivity level: MSL 1 or better (required)

Substitute parts identified in this reference maintain all core electrical and mechanical parameters. Variations in power rating (0.333W vs. 0.5W), additional features (automotive AEC-Q200 qualification, pulse-withstanding capability), or product status (Active vs. Not For New Designs) do not disqualify substitution but indicate enhanced or legacy specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute (Recommended for New Designs): CRCW121056R2FKEA (Vishay Dale) is the preferred substitute for the RC3225F56R2CS. This part maintains identical electrical specifications and package compatibility while offering enhanced power rating (0.5W vs. 0.333W) and automotive AEC-Q200 qualification. The part carries Active product status, ensuring long-term availability and supply chain stability.

Secondary Substitute (Active Status): ERJ-P14F56R2U (Panasonic Electronic Components) provides equivalent electrical and mechanical compatibility with additional pulse-withstanding capability. This part is designated Active and suitable for new design implementations. The enhanced power rating (0.5W) and automotive qualification provide design margin benefits.

Legacy Substitute (Not Recommended for New Designs): ERJ-14NF56R2U (Panasonic Electronic Components) meets all electrical and mechanical substitution criteria but carries Not For New Designs product status. This designation indicates the manufacturer does not recommend this part for new circuit implementations. Use only in legacy system maintenance or replacement scenarios where supply continuity is required.

Compliance Considerations: All identified substitutes maintain ROHS3 compliance and MSL 1 rating, ensuring regulatory compatibility with the original RC3225F56R2CS specification.

Frequently Asked Questions (FAQ)

Q: Can CRCW121056R2FKEA replace RC3225F56R2CS in existing designs? A: Yes. The CRCW121056R2FKEA maintains identical resistance (56.2 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), and package format (1210). The higher power rating (0.5W vs. 0.333W) provides additional thermal margin and does not create compatibility issues in circuits designed for the original part.

Q: What is the significance of the "Not For New Designs" status on ERJ-14NF56R2U? A: This designation indicates Panasonic does not recommend this part for new circuit implementations. The part remains functionally equivalent and suitable for replacement in existing systems, but alternative parts with Active status should be prioritized for new designs to ensure long-term supply availability.

Q: Are the dimensional variations between substitute parts significant? A: Dimensional variations are minimal and within standard PCB design tolerances. The RC3225F56R2CS measures 0.126" L x 0.100" W (3.20mm x 2.55mm), while substitutes measure 0.126" L x 0.098" W (3.20mm x 2.50mm). Height variations (0.026" to 0.028") are negligible for standard circuit board applications. Verify clearance in space-constrained layouts.

Q: Does automotive AEC-Q200 qualification affect substitution compatibility? A: No. AEC-Q200 qualification is an additional feature that does not disqualify substitution. Parts with automotive qualification (CRCW121056R2FKEA, ERJ-14NF56R2U, ERJ-P14F56R2U) are fully compatible with applications originally specified for the RC3225F56R2CS and provide enhanced reliability for automotive or harsh-environment applications.

Q: What is the difference between moisture-resistant and unlimited MSL 1 rating? A: Both designations indicate the same moisture sensitivity level (MSL 1). The RC3225F56R2CS is described as "moisture resistant," while all substitutes carry MSL 1 (Unlimited) rating. Both specifications indicate the component requires no special moisture control during storage or handling.

Q: Can ERJ-P14F56R2U pulse-withstanding capability be utilized in non-pulse applications? A: Yes. Pulse-withstanding capability is an additional feature that does not restrict use in standard DC or AC applications. The ERJ-P14F56R2U is fully compatible with circuits designed for the RC3225F56R2CS and provides enhanced performance margin for transient or pulse-load conditions.