RC3225F2370CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F2370CS is a 237 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format with 0.333W (1/3W) power rating. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 1210 package footprint, allowing direct board-level replacement without design modification.

Substiute Parts

RC3225F2370CS

Samsung Electro-MechanicsIn Stock: 1035RC3225F2370CS Datasheet

Current PartRFQ

CRCW1210237RFKEA

Vishay DaleIn Stock: 6047CRCW1210237RFKEA Datasheet

SimilarRFQ

ERJ-14NF2370U

Panasonic Electronic ComponentsIn Stock: 10799ERJ-14NF2370U Datasheet

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RMCF1210FT237R

Stackpole Electronics IncIn Stock: 1061RMCF1210FT237R Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F2370CS is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Resistance value: 237 Ohms
• Tolerance: ±1%
• Package format: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• Moisture sensitivity: MSL 1 or better
• RoHS compliance: ROHS3 or equivalent

Allowable Variation: Power rating may exceed the main part specification (0.333W minimum) without affecting substitution validity, as higher power-rated components in identical packages maintain full electrical and mechanical compatibility. All identified substitutes meet or exceed the 237 Ohm ±1% specification in the 1210 package with matching thermal and environmental characteristics.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Preferred): CRCW1210237RFKEA (Vishay Dale) and RMCF1210FT237R (Stackpole Electronics Inc) are both Active product status components with AEC-Q200 automotive qualification. Both maintain identical electrical specifications to the RC3225F2370CS with higher power ratings (0.5W vs. 0.333W), providing enhanced thermal margin in the same 1210 package footprint. Both are ROHS3 compliant with MSL 1 rating.

Secondary Selection (Legacy Applications): ERJ-14NF2370U (Panasonic Electronic Components) meets all electrical and mechanical compatibility criteria but carries "Not For New Designs" product status. This component is suitable only for replacement or repair of existing assemblies where design continuity is required.

Compliance Basis: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical EAR99 export classification. Automotive-rated substitutes (Vishay Dale, Panasonic, Stackpole) carry AEC-Q200 qualification, suitable for automotive and industrial applications requiring enhanced reliability documentation.

Frequently Asked Questions (FAQ)

Q: Can CRCW1210237RFKEA replace RC3225F2370CS in existing designs? A: Yes. Both components share identical 237 Ohm ±1% specifications, 1210 package format, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating range. The CRCW1210237RFKEA provides higher power rating (0.5W vs. 0.333W) in the same footprint, ensuring full electrical and mechanical compatibility without PCB modification.

Q: What is the difference between the 0.333W and 0.5W power ratings? A: Power rating indicates maximum continuous power dissipation capability. The 0.5W rated substitutes (CRCW1210237RFKEA, ERJ-14NF2370U, RMCF1210FT237R) can safely dissipate higher power levels than the 0.333W rated RC3225F2370CS while maintaining identical physical dimensions and electrical characteristics. Higher-rated components provide thermal margin without requiring design changes.

Q: Are all substitute parts available in Tape & Reel packaging? A: Yes. CRCW1210237RFKEA, ERJ-14NF2370U, and RMCF1210FT237R are all supplied in Tape & Reel (TR) format suitable for automated assembly processes.

Q: Why is ERJ-14NF2370U marked "Not For New Designs"? A: "Not For New Designs" indicates Panasonic has transitioned this product line but continues to support existing applications. ERJ-14NF2370U remains suitable for replacement or repair of fielded assemblies but should not be selected for new product development. CRCW1210237RFKEA and RMCF1210FT237R carry Active status and are recommended for new designs.

Q: Do all substitutes meet automotive qualification requirements? A: CRCW1210237RFKEA, ERJ-14NF2370U, and RMCF1210FT237R all carry AEC-Q200 automotive qualification. The RC3225F2370CS does not specify automotive rating. Automotive-qualified substitutes are suitable for automotive and industrial applications requiring enhanced reliability documentation.

Q: What is MSL 1 rating significance? A: MSL 1 (Moisture Sensitivity Level 1) indicates unlimited shelf life without moisture bake requirements. All parts in this comparison carry MSL 1, eliminating moisture-related handling constraints during assembly and storage.

Q: Are dimensional differences between substitutes significant? A: All parts use the 1210 (3225 Metric) package with identical length (0.126" / 3.20mm) and width specifications. Height variations (0.024" to 0.028" seated maximum) are within standard PCB assembly tolerances and do not affect board-level compatibility.