RC6432F183CS Equivalent & Substitute Parts

Part Overview

The RC6432F183CS is an 18 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 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 production with 947 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and supply chain continuity.

Substiute Parts

RC6432F183CS

Samsung Electro-MechanicsIn Stock: 1037RC6432F183CS Datasheet

Current PartRFQ

RC2512FK-0718KL

YAGEOIn Stock: 5466RC2512FK-0718KL Datasheet

DirectRFQ

CRCW251218K0FKEGHP

Vishay DaleIn Stock: 4880CRCW251218K0FKEGHP Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F183CS is determined by strict alignment of electrical and mechanical parameters. All substitute parts must maintain the following core specifications:

Critical Matching Parameters:

• Resistance value: 18 kOhms
• Tolerance: ±1%
• Package / Case: 2512 (6432 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• Moisture Sensitivity Level: 1 (Unlimited)
• RoHS Status: ROHS3 Compliant
• Number of Terminations: 2

Allowable Variation Parameters:

• Power Rating: Equal or greater than 1W
• Physical dimensions: Within standard 2512 package tolerances
• Packaging format: May differ (bulk, tape & reel)
• Manufacturer: Different manufacturers permitted
• Series designation: May vary by manufacturer

The RC2512FK-0718KL (YAGEO) qualifies as a direct equivalent with identical electrical specifications and packaging. The CRCW251218K0FKEGHP (Vishay Dale) qualifies as a functional substitute with higher power rating (1.5W) and automotive-grade certification, suitable for applications requiring enhanced performance margins.

Parameter Comparison

Engineering Selection Recommendations

RC2512FK-0718KL (YAGEO) - Direct Equivalent

This part is functionally identical to the RC6432F183CS across all critical electrical and mechanical parameters. Both components share 1W power rating, ±1% tolerance, and identical temperature characteristics. Physical dimensions fall within standard 2512 package tolerances. Both parts maintain active production status and full ROHS3 compliance. Selection of this substitute is appropriate for direct replacement in existing designs without circuit modification.

CRCW251218K0FKEGHP (Vishay Dale) - Functional Substitute with Enhanced Specifications

This part meets all core electrical requirements with identical resistance, tolerance, and temperature coefficient. The 1.5W power rating exceeds the 1W specification of the main part, providing additional thermal margin. The component carries AEC-Q200 automotive qualification and pulse-withstanding capability, indicating enhanced reliability testing and performance validation. Physical dimensions remain within 2512 package specifications. This substitute is suitable for applications requiring higher reliability margins or automotive-grade components, provided circuit design accommodates the slightly increased height (0.028" vs. 0.026").

Both substitute parts maintain ROHS3 compliance and MSL 1 rating, ensuring compatibility with standard manufacturing and storage protocols.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0718KL replace RC6432F183CS in any application?

A: Yes. The RC2512FK-0718KL maintains identical electrical specifications (18 kOhms, ±1%, 1W) and operates across the same temperature range (-55°C to 155°C). Physical dimensions are within standard 2512 package tolerances. No circuit modification is required.

Q: What is the advantage of using CRCW251218K0FKEGHP over the original part?

A: The CRCW251218K0FKEGHP provides 1.5W power rating compared to 1W, offering increased thermal headroom. It includes AEC-Q200 automotive certification and pulse-withstanding capability, indicating enhanced reliability validation. These features are beneficial for applications requiring higher performance margins or automotive-grade components.

Q: Are there packaging differences between these parts?

A: The RC6432F183CS is supplied in standard packaging format. The RC2512FK-0718KL is supplied in Tape & Reel (TR) format. The CRCW251218K0FKEGHP is also supplied in Tape & Reel (TR) format. All three parts use the 2512 (6432 Metric) package case. Packaging format does not affect electrical or mechanical compatibility.

Q: Do all three parts meet RoHS compliance?

A: Yes. All three parts are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Q: What is the maximum height difference between these parts?

A: The RC6432F183CS has a maximum seated height of 0.026" (0.66mm). The RC2512FK-0718KL has a maximum seated height of 0.026" (0.65mm). The CRCW251218K0FKEGHP has a maximum seated height of 0.028" (0.70mm). The maximum difference is 0.002" (0.04mm), which falls within standard PCB assembly tolerances for 2512 package components.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. All three parts operate across -55°C to 155°C with ±100ppm/°C temperature coefficient. They are functionally equivalent for temperature performance across this range.

Q: Which part should be selected for new designs?

A: For standard applications, any of the three parts is suitable. The RC2512FK-0718KL offers direct equivalence with the original part. The CRCW251218K0FKEGHP is appropriate for designs requiring automotive qualification or higher power margin. Selection should be based on application requirements, supply availability, and design specifications.