RC3225F8453CS Equivalent & Substitute Parts Reference

Part Overview

The RC3225F8453CS is a 845 kOhms ±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 rating (MSL 1). Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package class, enabling design flexibility and supply chain alternatives while preserving circuit performance requirements.

Substiute Parts

RC3225F8453CS

Samsung Electro-MechanicsIn Stock: 995RC3225F8453CS Datasheet

Current PartRFQ

ERJ-14NF8453U

Panasonic Electronic ComponentsIn Stock: 2184ERJ-14NF8453U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC3225F8453CS is determined by strict alignment of the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 845 kOhms
• Tolerance: ±1%
• Package format: 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 to or greater than 0.333W
• RoHS compliance status: May differ based on application requirements
• Moisture sensitivity level: MSL 1 or equivalent
• Packaging format: May vary (Tape & Reel vs. bulk)

The identified substitute ERJ-14NF8453U meets all mandatory electrical and mechanical parameters while providing increased power rating (0.5W vs. 0.333W), enabling direct functional replacement in circuits where the main part is specified.

Parameter Comparison

Engineering Selection Recommendations

RC3225F8453CS (Primary Selection):

• Active product status ensures ongoing manufacturer support and availability
• RoHS3 compliance satisfies current regulatory requirements for new designs
• Recommended for applications requiring compliance with environmental directives and long-term supply chain stability

ERJ-14NF8453U (Substitute Selection):

• Electrical and mechanical compatibility confirmed for direct replacement in existing designs
• Higher power rating (0.5W) provides thermal margin in applications operating near maximum dissipation limits
• RoHS non-compliance status restricts use to legacy systems or applications where RoHS exemptions apply
• Product status "Not For New Designs" indicates this part is suitable for maintenance, repair, and obsolescence mitigation only
• AEC-Q200 automotive qualification provides additional reliability assurance for automotive applications

Selection between these parts depends on compliance requirements, product lifecycle stage, and supply availability constraints.

Frequently Asked Questions (FAQ)

Q: Can ERJ-14NF8453U replace RC3225F8453CS in new product designs?

A: Electrical and mechanical substitution is technically feasible due to identical resistance, tolerance, temperature coefficient, and package format. However, the ERJ-14NF8453U carries "Not For New Designs" status and RoHS non-compliance, making it unsuitable for new designs requiring regulatory compliance. The RC3225F8453CS is the appropriate choice for new designs.

Q: What is the significance of the higher power rating in ERJ-14NF8453U (0.5W vs. 0.333W)?

A: The 0.5W rating in ERJ-14NF8453U provides increased thermal capacity compared to the 0.333W specification of RC3225F8453CS. In circuits where actual power dissipation approaches the 0.333W limit, the substitute part offers additional safety margin. This does not alter electrical performance but improves reliability under sustained high-dissipation conditions.

Q: Are there dimensional compatibility concerns between these parts?

A: Both parts conform to the 1210 (3225 Metric) package standard. Dimensional variations are minimal: length is identical (0.126" / 3.20mm), width differs by 0.002" (0.05mm), and height differs by 0.002" (0.04mm). These variations fall within standard PCB footprint tolerances and present no compatibility issues for standard 1210 land patterns.

Q: What does "Not For New Designs" mean for the ERJ-14NF8453U?

A: This designation indicates the manufacturer has discontinued active development and marketing of this part for new applications. The part remains available for existing designs and legacy system support but should not be selected for new product development. This status typically precedes eventual obsolescence.

Q: How does RoHS compliance affect part selection?

A: RoHS3 compliance (RC3225F8453CS) is mandatory for products sold in the European Union and many other markets. RoHS non-compliance (ERJ-14NF8453U) restricts use to applications exempt from RoHS requirements or legacy systems. For new designs targeting regulated markets, RoHS3 compliance is a mandatory selection criterion.

Q: Are these parts interchangeable at the PCB assembly level?

A: Yes, both parts use identical 1210 package footprints and two-terminal configurations. PCB land patterns designed for RC3225F8453CS accommodate ERJ-14NF8453U without modification. Assembly equipment settings require no adjustment for package format changes.