RC3225F11R3CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F11R3CS is a 11.3 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package format with 0.333W power rating. This component is classified as Active product status with full RoHS3 compliance and unlimited moisture sensitivity level (MSL 1). The part is suitable for general-purpose applications requiring moisture-resistant thick film construction across the -55°C to 155°C operating temperature range.

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, temperature coefficient), mechanical compatibility (package size and termination count), and environmental compliance certifications. Substitute parts may differ in power rating, product status, or specialized features while maintaining core functional compatibility.

Substiute Parts

RC3225F11R3CS

Samsung Electro-MechanicsIn Stock: 1061RC3225F11R3CS Datasheet

Current PartRFQ

ERJ-14NF11R3U

Panasonic Electronic ComponentsIn Stock: 10805ERJ-14NF11R3U Datasheet

SimilarRFQ

ERJ-P14F11R3U

Panasonic Electronic ComponentsIn Stock: 5590ERJ-P14F11R3U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC3225F11R3CS are qualified based on the following substitution criteria:

Critical Matching Parameters:

• Resistance value: 11.3 Ohms (exact match required)
• Tolerance: ±1% (exact match required)
• Package / Case: 1210 (3225 Metric) (exact match required)
• Number of Terminations: 2 (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature Range: -55°C to 155°C (exact match required)
• Composition: Thick Film (exact match required)

Allowable Variation Parameters:

• Power Rating: Substitute parts may have equal or higher power rating (0.5W acceptable for 0.333W requirement)
• Product Status: Active or Not For New Designs status acceptable
• Packaging Format: Tape & Reel (TR) acceptable for component sourcing
• Additional Features: Automotive AEC-Q200 certification and pulse withstanding capability are allowable enhancements

Compliance Requirements:

• RoHS3 Compliant (mandatory)
• Moisture Sensitivity Level 1 (mandatory)
• REACH Unaffected status (maintained)

The identified substitute parts ERJ-14NF11R3U and ERJ-P14F11R3U from Panasonic Electronic Components meet all critical matching parameters while offering higher power dissipation capability (0.5W vs. 0.333W) and automotive-grade qualification.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection - RC3225F11R3CS: Select the RC3225F11R3CS when the original Samsung Electro-Mechanics part is required for design continuity, inventory management, or when the 0.333W power rating is the exact specification for the application. This part maintains Active product status with full availability.

Secondary Selection - ERJ-P14F11R3U: The ERJ-P14F11R3U from Panasonic Electronic Components is the preferred substitute when equivalent functionality is required. This part maintains Active product status, provides higher power dissipation capability (0.5W), includes automotive-grade AEC-Q200 qualification, and incorporates pulse withstanding capability. All critical electrical and mechanical parameters match the RC3225F11R3CS. The slightly increased height (0.028" vs. 0.026") and width (2.50mm vs. 2.55mm) remain within standard 1210 package tolerances.

Tertiary Selection - ERJ-14NF11R3U: The ERJ-14NF11R3U is functionally equivalent to the RC3225F11R3CS with identical electrical specifications and package compatibility. However, this part carries Not For New Designs status, making it suitable only for legacy system maintenance or replacement applications where design updates are not planned.

Compliance Verification: All three parts maintain RoHS3 compliance, unlimited moisture sensitivity level (MSL 1), and REACH unaffected status. Selection between parts should prioritize product status (Active preferred) and application-specific requirements for automotive qualification or pulse withstanding capability.

Frequently Asked Questions (FAQ)

Q: Can ERJ-P14F11R3U replace RC3225F11R3CS in existing designs?

A: Yes. The ERJ-P14F11R3U provides electrical and mechanical compatibility with the RC3225F11R3CS. Both parts share identical resistance (11.3 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C to 155°C), package format (1210 / 3225 Metric), and termination count (2). The ERJ-P14F11R3U offers higher power rating (0.5W vs. 0.333W), which is compatible with applications designed for the lower-power RC3225F11R3CS.

Q: What is the difference between ERJ-14NF11R3U and ERJ-P14F11R3U?

A: Both parts are electrically and mechanically identical with matching resistance, tolerance, temperature coefficient, and package specifications. The primary differences are: (1) ERJ-P14F11R3U maintains Active product status while ERJ-14NF11R3U is Not For New Designs; (2) ERJ-P14F11R3U includes pulse withstanding capability as an additional feature. For new designs, ERJ-P14F11R3U is the recommended selection.

Q: Are there package compatibility concerns when substituting these parts?

A: Package compatibility is maintained across all three parts. All use the 1210 (3225 Metric) case format with 2 terminations. Dimensional variations are minimal: RC3225F11R3CS measures 3.20mm x 2.55mm with 0.66mm maximum seated height; both Panasonic substitutes measure 3.20mm x 2.50mm with 0.70mm maximum seated height. These variations fall within standard 1210 package tolerances and do not affect PCB footprint compatibility.

Q: Do the substitute parts require different handling or storage procedures?

A: No. All three parts maintain Moisture Sensitivity Level 1 (Unlimited), indicating no special moisture control requirements during storage or handling. Standard component storage conditions apply to all parts.

Q: Can ERJ-14NF11R3U be used in new product designs?

A: ERJ-14NF11R3U carries Not For New Designs status. This part is suitable only for replacement, repair, or maintenance of existing products. For new designs, use RC3225F11R3CS (Active status) or ERJ-P14F11R3U (Active status, preferred substitute).

Q: What compliance certifications apply to all substitute options?

A: All three parts maintain RoHS3 compliance, REACH unaffected status, and unlimited moisture sensitivity level (MSL 1). The Panasonic substitutes additionally carry automotive-grade AEC-Q200 qualification, which exceeds the compliance requirements of the Samsung original part.