RC6432F4423CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F4423CS is a 442 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film resistor is designed for general-purpose applications requiring moisture resistance and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component requirements.

Substiute Parts

RC6432F4423CS
Samsung Electro-MechanicsIn Stock: 913RC6432F4423CS Datasheet
RC6432F4423CS
Current Part
CRCW2512442KFKEG
Vishay DaleIn Stock: 2410CRCW2512442KFKEG Datasheet
CRCW2512442KFKEG
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Key Parameters

Parameter Value Specification Type
Resistance Value 442 kOhms Electrical
Tolerance ±1% Electrical
Power Rating 1W Electrical
Composition Thick Film Physical
Temperature Coefficient ±100ppm/°C Electrical
Operating Temperature Range -55°C to 155°C Environmental
Package / Case 2512 (6432 Metric) Mechanical
Size / Dimension 0.248" L x 0.126" W (6.30mm x 3.20mm) Mechanical
Number of Terminations 2 Mechanical
RoHS Status ROHS3 Compliant Compliance
Moisture Sensitivity Level 1 (Unlimited) Environmental

Substitute Part Grouping Explanation

Substitute parts for the RC6432F4423CS are identified based on strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

  • Resistance value: 442 kOhms
  • Tolerance: ±1%
  • Power rating: 1W
  • Temperature coefficient: ±100ppm/°C
  • Operating temperature range: -55°C to 155°C

Mechanical Equivalence Requirements:

  • Package format: 2512 (6432 Metric)
  • Composition: Thick Film
  • Number of terminations: 2
  • Physical dimensions compatible with 2512 footprint

Compliance Equivalence Requirements:

  • RoHS3 compliance
  • Moisture Sensitivity Level 1 (Unlimited)
  • REACH Unaffected status

The CRCW2512442KFKEG from Vishay Dale meets all electrical, mechanical, and compliance criteria for direct substitution. The part maintains identical resistance, tolerance, power rating, and temperature specifications while operating within the same environmental parameters.

Parameter Comparison

Parameter RC6432F4423CS (Samsung) CRCW2512442KFKEG (Vishay Dale) Match Status
Resistance Value 442 kOhms 442 kOhms Equivalent
Tolerance ±1% ±1% Equivalent
Power Rating 1W 1W Equivalent
Composition Thick Film Thick Film Equivalent
Temperature Coefficient ±100ppm/°C ±100ppm/°C Equivalent
Operating Temperature Range -55°C to 155°C -55°C to 155°C Equivalent
Package / Case 2512 (6432 Metric) 2512 (6432 Metric) Equivalent
Size / Dimension 0.248" L x 0.126" W (6.30mm x 3.20mm) 0.248" L x 0.124" W (6.30mm x 3.15mm) Compatible
Height - Seated (Max) 0.026" (0.66mm) 0.028" (0.70mm) Compatible
Number of Terminations 2 2 Equivalent
RoHS Status ROHS3 Compliant ROHS3 Compliant Equivalent
Moisture Sensitivity Level 1 (Unlimited) 1 (Unlimited) Equivalent
REACH Status REACH Unaffected REACH Unaffected Equivalent
Product Status Active Active Equivalent

Engineering Selection Recommendations

The CRCW2512442KFKEG qualifies as a direct substitute for the RC6432F4423CS based on the following engineering criteria:

Electrical Specifications: Both parts deliver identical resistance value, tolerance, power dissipation capability, and temperature coefficient performance. The operating temperature range of -55°C to 155°C is maintained across both components.

Mechanical Compatibility: The 2512 (6432 Metric) package format is identical. Dimensional variations (width 0.126" vs 0.124", height 0.026" vs 0.028") remain within standard PCB footprint tolerances and do not affect board-level assembly or functionality.

Compliance and Certifications: Both parts maintain ROHS3 compliance, unlimited moisture sensitivity level (MSL 1), and REACH Unaffected status. The Vishay Dale component includes AEC-Q200 automotive qualification, which provides additional reliability assurance without compromising general-purpose application suitability.

Product Availability: Both parts are in active production with confirmed inventory. Selection between these parts may be based on supply chain availability, lead time requirements, or specific application certifications needed.

Frequently Asked Questions (FAQ)

Q: Can the CRCW2512442KFKEG replace the RC6432F4423CS in existing designs?

A: Yes. The CRCW2512442KFKEG is electrically and mechanically equivalent. Both parts share identical resistance value (442 kOhms), tolerance (±1%), power rating (1W), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The 2512 package footprint is identical, and dimensional variations are within standard PCB assembly tolerances.

Q: What are the key differences between these two parts?

A: The primary differences are manufacturer (Samsung Electro-Mechanics vs. Vishay Dale) and packaging format (bulk vs. Tape & Reel). The Vishay Dale part includes AEC-Q200 automotive qualification. Electrical and mechanical specifications are equivalent.

Q: Are there any compliance or certification differences?

A: Both parts are ROHS3 compliant, REACH Unaffected, and carry MSL 1 (Unlimited) moisture sensitivity level. The CRCW2512442KFKEG includes AEC-Q200 automotive qualification, which is not specified for the RC6432F4423CS but does not prevent substitution in general-purpose applications.

Q: What is the significance of the 2512 package designation?

A: The 2512 package (6432 Metric) is a standard surface-mount resistor format measuring 0.248" x 0.126" (6.30mm x 3.20mm). Both parts use this identical package, ensuring PCB footprint compatibility and assembly process compatibility.

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

A: Yes. Both parts operate across the identical temperature range of -55°C to 155°C with the same temperature coefficient of ±100ppm/°C. Performance characteristics remain equivalent throughout this operating range.

Q: What packaging formats are available for these parts?

A: The RC6432F4423CS is available in standard packaging. The CRCW2512442KFKEG is supplied in Tape & Reel (TR) format, which is standard for automated assembly processes. Both formats contain the same component specifications.

Q: Are there any moisture sensitivity considerations for these parts?

A: Both parts carry MSL 1 (Unlimited) moisture sensitivity level, indicating no moisture-related handling restrictions. Standard storage and handling practices are sufficient for both components.

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