RC6432F683CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F683CS is a 68 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 maintains ROHS3 compliance with MSL 1 rating. The part is currently active in production with 744 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, inventory management, and design continuity when the primary part becomes unavailable or when design requirements permit upgraded specifications.

Substiute Parts

RC6432F683CS

Samsung Electro-MechanicsIn Stock: 797RC6432F683CS Datasheet

Current PartRFQ

RC2512FK-0768KL

YAGEOIn Stock: 15576RC2512FK-0768KL Datasheet

DirectRFQ

RHC2512FT68K0

Stackpole Electronics IncIn Stock: 22516RHC2512FT68K0 Datasheet

UpgradeRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F683CS are classified into two categories based on electrical and mechanical compatibility:

Direct Equivalent (RC2512FK-0768KL): This YAGEO part maintains identical electrical specifications: 68 kOhms resistance, ±1% tolerance, 1W power rating, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Physical dimensions vary slightly (6.35mm L x 3.10mm W vs. 6.30mm L x 3.20mm W), remaining within 2512 package tolerance. Packaging differs (Tape & Reel vs. standard), and inventory availability is significantly higher (15,476 units). This part qualifies as a direct substitute when procurement source diversification or inventory replenishment is required.

Upgrade Equivalent (RHC2512FT68K0): This Stackpole Electronics part increases the power rating to 2W while maintaining all other electrical parameters: 68 kOhms, ±1% tolerance, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Physical dimensions match the main part precisely (6.30mm L x 3.20mm W). This part functions as an upgrade substitute in applications where higher power dissipation capability is beneficial or required, with no electrical performance compromise. Inventory availability is highest (22,416 units).

All substitute parts maintain ROHS3 compliance, MSL 1 rating, and identical composition (thick film, moisture resistant).

Parameter Comparison

Engineering Selection Recommendations

RC2512FK-0768KL Selection Criteria: Select this YAGEO direct equivalent when source diversification is required or when the primary Samsung part is unavailable. This part maintains identical electrical performance and thermal characteristics. The slight dimensional variation (±0.05mm in length, ±0.10mm in width) remains within standard 2512 package tolerances and does not affect PCB footprint compatibility. Tape & Reel packaging is suitable for automated assembly processes. All compliance certifications (ROHS3, MSL 1, REACH Unaffected, EAR99) match the main part.

RHC2512FT68K0 Selection Criteria: Select this Stackpole upgrade equivalent when circuit design permits or requires higher power dissipation capability. The 2W rating provides additional thermal margin in applications where the 1W specification is marginal. Physical dimensions are identical to the main part, ensuring direct PCB footprint compatibility. All electrical parameters remain constant, eliminating circuit redesign requirements. This part is suitable for applications with elevated ambient temperatures or higher component power dissipation. ROHS3 and MSL 1 compliance are maintained.

All three parts are active products with established supply chains and full regulatory compliance documentation.

Frequently Asked Questions (FAQ)

Q: Can RC2512FK-0768KL be used as a direct replacement for RC6432F683CS without circuit modification?

A: Yes. Both parts share identical electrical specifications (68 kOhms, ±1%, 1W, ±100ppm/°C, -55°C to 155°C). Physical dimensions vary by less than 0.1mm, remaining within 2512 package tolerance. PCB footprint compatibility is maintained. No circuit modification is required.

Q: What is the primary difference between RC6432F683CS and RHC2512FT68K0?

A: The power rating increases from 1W to 2W. All other electrical parameters remain identical. Physical dimensions are identical. The upgrade provides additional thermal capability without affecting circuit performance or requiring design changes.

Q: Are all three parts suitable for high-temperature applications?

A: Yes. All three parts operate across -55°C to 155°C with ±100ppm/°C temperature coefficient. Operating temperature range and thermal stability are identical across all parts.

Q: Does packaging format affect electrical performance?

A: No. RC6432F683CS uses standard packaging while RC2512FK-0768KL uses Tape & Reel format. Packaging format does not affect electrical characteristics, only handling and assembly methodology. Tape & Reel is optimized for automated assembly; standard packaging is suitable for manual or mixed-mode assembly.

Q: Are all substitute parts RoHS compliant?

A: Yes. RC6432F683CS, RC2512FK-0768KL, and RHC2512FT68K0 are all ROHS3 compliant with MSL 1 rating and REACH Unaffected status. All parts meet current environmental and regulatory requirements.

Q: Which part should be selected for maximum inventory availability?

A: RHC2512FT68K0 (Stackpole) offers the highest inventory level at 22,416 units, followed by RC2512FK-0768KL (YAGEO) at 15,476 units. RC6432F683CS (Samsung) has 744 units in stock. Selection should balance availability with specific power rating requirements.

Q: Can RHC2512FT68K0 be used in applications designed for 1W resistors?

A: Yes. The 2W part is fully compatible with 1W circuit designs. Higher power rating provides additional thermal margin and does not degrade performance in lower-power applications. No circuit modification is required.