RC6432F32R4CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F32R4CS is a 32.4 Ohms ±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 in active production status with 984 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, design continuity, and supply chain optimization when the primary part becomes unavailable or when specific application requirements necessitate alternative sourcing.

Substiute Parts

RC6432F32R4CS

Samsung Electro-MechanicsIn Stock: 1057RC6432F32R4CS Datasheet

Current PartRFQ

AC2512FK-0732R4L

YAGEOIn Stock: 11821AC2512FK-0732R4L Datasheet

UpgradeRFQ

ERJ-1TNF32R4U

Panasonic Electronic ComponentsIn Stock: 32780ERJ-1TNF32R4U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F32R4CS are classified based on strict alignment with the following critical parameters:

Mandatory Matching Criteria:

• Resistance value: 32.4 Ohms (exact match required)
• Tolerance: ±1% (minimum requirement)
• Power rating: 1W (minimum requirement)
• Package: 2512 (6432 Metric) form factor
• Composition: Thick film construction
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• RoHS3 compliance
• MSL 1 rating

Substitute Classification:

Upgrade Substitute: AC2512FK-0732R4L (YAGEO) meets all mandatory criteria and adds automotive AEC-Q200 qualification, providing enhanced reliability for demanding applications while maintaining identical electrical specifications.

Similar Substitute: ERJ-1TNF32R4U (Panasonic Electronic Components) meets all mandatory criteria and includes automotive AEC-Q200 qualification. Product status is "Not For New Designs," indicating this part is suitable for replacement and maintenance applications but not recommended for new product development.

Parameter Comparison

Engineering Selection Recommendations

For New Product Development: Select AC2512FK-0732R4L (YAGEO) as the primary substitute. This part maintains active product status, meets all electrical and mechanical specifications of the RC6432F32R4CS, and provides additional automotive AEC-Q200 qualification. The higher inventory level (11,784 units) supports production continuity.

For Replacement and Maintenance Applications: ERJ-1TNF32R4U (Panasonic Electronic Components) is suitable for field replacement and repair of existing assemblies. Although marked "Not For New Designs," this designation does not affect functional compatibility. The extensive inventory (32,754 units) ensures availability for service operations.

Compliance Verification: All three parts maintain ROHS3 compliance and MSL 1 rating, satisfying regulatory requirements for regulated markets. REACH status is unaffected for all variants, confirming environmental compliance.

Dimensional Considerations: Minor dimensional variations exist within acceptable tolerances:

• RC6432F32R4CS: 0.248" L × 0.126" W (6.30mm × 3.20mm), Height 0.026" (0.66mm)
• AC2512FK-0732R4L: 0.250" L × 0.122" W (6.35mm × 3.10mm), Height 0.026" (0.65mm)
• ERJ-1TNF32R4U: 0.252" L × 0.126" W (6.40mm × 3.20mm), Height 0.028" (0.70mm)

These variations remain within standard 2512 package tolerances and do not affect PCB layout compatibility.

Frequently Asked Questions (FAQ)

Q: Can AC2512FK-0732R4L directly replace RC6432F32R4CS in existing designs?

A: Yes. Both parts share identical electrical specifications (32.4 Ohms ±1%, 1W, ±100ppm/°C, -55°C to 155°C), identical package geometry (2512/6432 Metric), and equivalent compliance ratings (ROHS3, MSL 1). The AC2512FK-0732R4L adds automotive AEC-Q200 qualification without changing core electrical performance.

Q: What is the significance of "Not For New Designs" status on ERJ-1TNF32R4U?

A: This designation indicates the part is in mature or declining production phase. It remains fully functional and suitable for replacement applications, field repairs, and maintenance of existing assemblies. New product designs should prioritize AC2512FK-0732R4L (active status) or RC6432F32R4CS (active status).

Q: Are there packaging differences between these substitutes?

A: RC6432F32R4CS is supplied in bulk packaging, while AC2512FK-0732R4L and ERJ-1TNF32R4U are supplied in Tape & Reel (TR) format. This affects handling and automated assembly compatibility but does not impact electrical function. Bulk-to-reel conversion is available through standard procurement channels.

Q: Do dimensional variations affect PCB layout?

A: No. All three parts conform to the 2512 (6432 Metric) package standard. Dimensional variations (length 0.248" to 0.252", width 0.122" to 0.126", height 0.026" to 0.028") fall within standard package tolerances and do not require PCB redesign.

Q: Which substitute offers the best supply chain stability?

A: ERJ-1TNF32R4U (Panasonic) provides the highest inventory level at 32,754 units, followed by AC2512FK-0732R4L (YAGEO) at 11,784 units. For new designs, AC2512FK-0732R4L is recommended due to active product status. For ongoing production, ERJ-1TNF32R4U offers superior availability.

Q: Are all substitutes compliant with automotive standards?

A: AC2512FK-0732R4L and ERJ-1TNF32R4U both carry AEC-Q200 automotive qualification. RC6432F32R4CS does not list AEC-Q200 qualification. For automotive applications, AC2512FK-0732R4L or ERJ-1TNF32R4U are required.

Q: What is the temperature coefficient significance for these parts?

A: All three parts maintain ±100ppm/°C temperature coefficient across the -55°C to 155°C operating range. This specification ensures resistance value stability and predictable circuit performance across the full temperature envelope. No differentiation exists between substitutes on this parameter.

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

A: Yes, with qualification consideration. AC2512FK-0732R4L and ERJ-1TNF32R4U include AEC-Q200 automotive qualification, indicating enhanced reliability screening. RC6432F32R4CS lacks this certification. For high-reliability applications, AC2512FK-0732R4L is the preferred choice.