RC3225F1150CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F1150CS is a 115 Ohms ±1% 0.333W (1/3W) chip resistor manufactured by Samsung Electro-Mechanics in the 1210 (3225 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant with MSL 1 rating. The part is currently Active in product status with 727 pieces in stock. Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across alternative manufacturers while accommodating application-specific requirements such as higher power ratings or automotive certifications.

Substiute Parts

RC3225F1150CS

Samsung Electro-MechanicsIn Stock: 737RC3225F1150CS Datasheet

Current PartRFQ

CRCW1210115RFKEA

Vishay DaleIn Stock: 8193CRCW1210115RFKEA Datasheet

SimilarRFQ

ERJ-14NF1150U

Panasonic Electronic ComponentsIn Stock: 16133ERJ-14NF1150U Datasheet

SimilarRFQ

RMCF1210FT115R

Stackpole Electronics IncIn Stock: 1169RMCF1210FT115R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the RC3225F1150CS is determined by strict equivalence in the following parameters:

Critical Matching Parameters:

• Resistance value: 115 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 may increase from 0.333W (1/3W) to 0.5W (1/2W) without affecting substitution validity, as higher power ratings provide equal or superior performance in the same physical package. Substitute parts may include additional certifications such as AEC-Q200 automotive qualification, which do not restrict their use in non-automotive applications.

Three substitute parts meet these criteria across manufacturers Vishay Dale, Panasonic Electronic Components, and Stackpole Electronics Inc.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Active Status, General Applications): CRCW1210115RFKEA (Vishay Dale) and RMCF1210FT115R (Stackpole Electronics Inc) are both Active products suitable for new designs. Both provide 0.5W power rating with AEC-Q200 automotive certification, offering enhanced reliability margins over the original 0.333W specification. Inventory availability is 8132 units (Vishay) and 1079 units (Stackpole).

Secondary Selection (Legacy Applications): ERJ-14NF1150U (Panasonic Electronic Components) carries "Not For New Designs" status and is therefore restricted to replacement or legacy system applications only. This part maintains full electrical and mechanical compatibility but should not be selected for new product development. Inventory availability is 16086 units.

Compliance Considerations: All substitute parts maintain ROHS3 compliance and REACH unaffected status identical to the original RC3225F1150CS. MSL 1 rating ensures unlimited shelf life for all options.

Frequently Asked Questions (FAQ)

Q: Can CRCW1210115RFKEA replace RC3225F1150CS in existing designs? A: Yes. Both parts share identical resistance (115 Ohms), tolerance (±1%), package (1210), composition (thick film), temperature coefficient (±100ppm/°C), operating range (-55°C ~ 155°C), and compliance ratings (ROHS3, MSL 1). The CRCW1210115RFKEA provides higher power rating (0.5W vs 0.333W), which is a performance enhancement.

Q: What is the difference between 0.333W and 0.5W power ratings in the same package? A: Power rating indicates the maximum continuous power dissipation the resistor can handle. A 0.5W rated part in the same 1210 package as a 0.333W part provides greater thermal capacity. Substituting a higher-rated part does not affect circuit performance if the original design operates within the lower power specification.

Q: Why is ERJ-14NF1150U marked "Not For New Designs"? A: This designation indicates the manufacturer has discontinued active development and recommends alternative parts for new product designs. The part remains electrically and mechanically equivalent and is suitable for replacement applications or legacy system support.

Q: Are all substitute parts automotive-qualified? A: CRCW1210115RFKEA, ERJ-14NF1150U, and RMCF1210FT115R all carry AEC-Q200 automotive certification. The original RC3225F1150CS does not list automotive qualification. AEC-Q200 certification does not restrict use in non-automotive applications.

Q: What is MSL 1 and why does it matter? A: MSL (Moisture Sensitivity Level) 1 indicates unlimited shelf life with no moisture bake-out requirement before soldering. All parts in this comparison carry MSL 1, ensuring identical handling and storage requirements.

Q: Can I use these parts interchangeably on the same PCB? A: Yes, all substitute parts are mechanically and electrically compatible with RC3225F1150CS. Physical dimensions are equivalent within tolerance (all 1210 package), and all maintain identical electrical specifications for resistance, tolerance, and temperature performance.