RC3225F1153CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F1153CS is a 115 kOhms ±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 and is RoHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating.

Equivalent and substitute parts are identified when alternative manufacturers offer components with matching or superior electrical and mechanical specifications within the same package footprint. Substitution becomes necessary for supply chain continuity, inventory optimization, or when the primary part reaches end-of-life status.

Substiute Parts

RC3225F1153CS

Samsung Electro-MechanicsIn Stock: 919RC3225F1153CS Datasheet

Current PartRFQ

CRCW1210115KFKEA

Vishay DaleIn Stock: 6072CRCW1210115KFKEA Datasheet

SimilarRFQ

ERJ-14NF1153U

Panasonic Electronic ComponentsIn Stock: 3691ERJ-14NF1153U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F1153CS is determined by the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 115 kOhms
• Tolerance: ±1%
• Package footprint: 1210 (3225 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C to 155°C
• Number of Terminations: 2

Allowable Variation Parameters:

• Power rating: Equal or greater than 0.333W
• Physical dimensions: Within standard 1210 package tolerances
• Compliance certifications: Equal or superior to RoHS3 and MSL 1

The identified substitute parts CRCW1210115KFKEA (Vishay Dale) and ERJ-14NF1153U (Panasonic Electronic Components) satisfy all mandatory parameters. Both parts feature identical resistance, tolerance, package, composition, and temperature specifications. Both substitute parts exceed the power rating requirement at 0.5W (1/2W), providing additional thermal margin. Both maintain the same operating temperature range and termination count.

Parameter Comparison

Engineering Selection Recommendations

CRCW1210115KFKEA (Vishay Dale) is the primary substitute for RC3225F1153CS. This part maintains Active product status, is RoHS3 compliant, and carries AEC-Q200 automotive qualification. The 0.5W power rating provides increased thermal headroom compared to the original 0.333W specification. Physical dimensions remain within standard 1210 package tolerances with a seated height of 0.024" (0.60mm), which is lower than the original part's 0.026" (0.66mm), ensuring compatibility with existing PCB layouts. Tape & Reel packaging is standard for production environments.

ERJ-14NF1153U (Panasonic Electronic Components) is a secondary substitute option. While this part matches all electrical specifications and maintains MSL 1 rating, it carries a "Not For New Designs" product status designation. Additionally, ERJ-14NF1153U is RoHS non-compliant, which may restrict its use in applications requiring RoHS3 compliance. The seated height of 0.028" (0.70mm) exceeds the original specification but remains within acceptable 1210 package tolerances. This part is suitable only for legacy design maintenance or applications where RoHS compliance is not required.

For new designs and applications requiring regulatory compliance, CRCW1210115KFKEA is the recommended substitute. For existing designs currently using RC3225F1153CS, CRCW1210115KFKEA provides direct functional replacement with enhanced specifications.

Frequently Asked Questions (FAQ)

Q: Can CRCW1210115KFKEA be used as a direct replacement for RC3225F1153CS in existing designs?

A: Yes. Both parts share identical electrical specifications (115 kOhms ±1%, ±100ppm/°C, -55°C to 155°C operating range) and package footprint (1210 / 3225 Metric). The CRCW1210115KFKEA features a higher power rating (0.5W vs. 0.333W) and lower seated height (0.024" vs. 0.026"), both of which are compatible with existing PCB layouts designed for the original part.

Q: What is the difference between the two substitute parts?

A: CRCW1210115KFKEA (Vishay Dale) is Active and RoHS3 compliant with AEC-Q200 automotive qualification. ERJ-14NF1153U (Panasonic) is marked "Not For New Designs" and is RoHS non-compliant. Both parts have identical electrical specifications but differ in product lifecycle status and regulatory compliance.

Q: Are there any physical dimension concerns when substituting these parts?

A: All three parts conform to the 1210 (3225 Metric) package standard. Seated heights vary slightly: RC3225F1153CS at 0.026" (0.66mm), CRCW1210115KFKEA at 0.024" (0.60mm), and ERJ-14NF1153U at 0.028" (0.70mm). These variations fall within standard 1210 package tolerances and do not affect PCB assembly compatibility.

Q: Which substitute should be selected for new product designs?

A: CRCW1210115KFKEA is the appropriate choice for new designs. It maintains Active product status, RoHS3 compliance, and includes AEC-Q200 automotive qualification, ensuring long-term availability and regulatory alignment.

Q: Is ERJ-14NF1153U suitable for production use?

A: ERJ-14NF1153U is suitable only for legacy design maintenance or applications where RoHS compliance is not required. The "Not For New Designs" status indicates limited future availability and potential discontinuation. RoHS non-compliance restricts use in regulated markets and applications.

Q: Do all three parts have the same moisture sensitivity rating?

A: Yes. RC3225F1153CS, CRCW1210115KFKEA, and ERJ-14NF1153U all carry MSL 1 (Unlimited) moisture sensitivity level, indicating no moisture-related handling restrictions during storage or assembly.

Q: What packaging formats are available for the substitute parts?

A: CRCW1210115KFKEA and ERJ-14NF1153U are supplied in Tape & Reel (TR) format, which is standard for automated PCB assembly processes. The original RC3225F1153CS is available in bulk form with 832 pieces in stock.