RC6432F1872CS Equivalent & Substitute Parts

Part Overview

The RC6432F1872CS is an 18.7 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package format. This thick film, moisture-resistant component operates across a temperature range of -55°C to 155°C and maintains a temperature coefficient of ±100ppm/°C. The part is currently in active production status with ROHS3 compliance and unlimited moisture sensitivity rating (MSL 1). Equivalent and substitute parts are identified to provide alternative sourcing options when the primary part is unavailable or when specific application requirements necessitate alternative manufacturer specifications.

Substiute Parts

RC6432F1872CS

Samsung Electro-MechanicsIn Stock: 924RC6432F1872CS Datasheet

Current PartRFQ

CRCW251218K7FKEG

Vishay DaleIn Stock: 2001CRCW251218K7FKEG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F1872CS are identified based on electrical and mechanical parameter equivalence. The primary substitution criteria include:

Electrical Parameters:

• Resistance value: 18.7 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C

Mechanical Parameters:

• Package format: 2512 (6432 Metric)
• Composition: Thick Film
• Number of terminations: 2
• Moisture sensitivity level: 1 (Unlimited)

Compliance Parameters:

• RoHS3 compliance
• REACH unaffected status

The CRCW251218K7FKEG from Vishay Dale meets all specified electrical and mechanical parameters while providing additional automotive-grade qualification (AEC-Q200), making it a direct functional equivalent.

Parameter Comparison

Engineering Selection Recommendations

Both the RC6432F1872CS and CRCW251218K7FKEG are active production components with ROHS3 compliance and REACH unaffected status. The RC6432F1872CS features moisture-resistant thick film construction, while the CRCW251218K7FKEG provides automotive-grade AEC-Q200 qualification. Selection between these parts depends on application requirements: the Samsung part is suitable for general industrial applications requiring moisture resistance, while the Vishay Dale part is appropriate for automotive and high-reliability applications requiring AEC-Q200 certification. Both parts share identical electrical specifications and operate within the same temperature range, ensuring functional interchangeability in circuits designed for 18.7 kOhms ±1% 1W resistive elements.

Frequently Asked Questions (FAQ)

Q: Can the CRCW251218K7FKEG replace the RC6432F1872CS in existing designs?

A: Yes. Both parts share identical resistance (18.7 kOhms), tolerance (±1%), power rating (1W), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and package format (2512 / 6432 Metric). Dimensional variations are minimal and do not affect PCB layout compatibility.

Q: What is the difference between the moisture-resistant feature of the RC6432F1872CS and the AEC-Q200 qualification of the CRCW251218K7FKEG?

A: The RC6432F1872CS specifies moisture-resistant thick film construction for general industrial environments. The CRCW251218K7FKEG carries AEC-Q200 automotive qualification, indicating compliance with automotive reliability and environmental stress testing standards. Both parts maintain MSL 1 (Unlimited) moisture sensitivity rating.

Q: Are there dimensional differences that affect PCB assembly?

A: Minor dimensional variations exist. The RC6432F1872CS measures 0.248" L x 0.126" W with 0.026" maximum seated height, while the CRCW251218K7FKEG measures 0.248" L x 0.124" W with 0.028" maximum seated height. These differences are within standard PCB design tolerances and do not require layout modifications.

Q: Which part should be selected for automotive applications?

A: The CRCW251218K7FKEG is specified for automotive applications due to AEC-Q200 qualification. The RC6432F1872CS is suitable for general industrial applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the RC6432F1872CS and CRCW251218K7FKEG are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.