RC6432F6651CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F6651CS is a 6.65 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across the temperature range of -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 910 units available in inventory.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained. The primary substitute listed is the ERJ-1TNF6651U from Panasonic Electronic Components, which shares identical resistance, tolerance, power rating, and package dimensions while offering automotive-grade AEC-Q200 qualification.

Substiute Parts

RC6432F6651CS

Samsung Electro-MechanicsIn Stock: 1000RC6432F6651CS Datasheet

Current PartRFQ

ERJ-1TNF6651U

Panasonic Electronic ComponentsIn Stock: 4768ERJ-1TNF6651U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F6651CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 6.65 kOhms
• Tolerance: ±1%
• Power rating: 1W
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Equivalence Requirements:

• Package type: 2512 (6432 Metric)
• Number of terminations: 2
• Physical dimensions compatible with 2512 footprint

Compliance Requirements:

• RoHS3 compliance
• Moisture Sensitivity Level 1 (Unlimited)

The ERJ-1TNF6651U from Panasonic meets all electrical and mechanical equivalence criteria. The primary distinction is product status and application qualification: the RC6432F6651CS maintains active production status for general applications, while the ERJ-1TNF6651U carries AEC-Q200 automotive qualification but is marked as Not For New Designs.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: The RC6432F6651CS is the primary selection. It maintains active product status and is suitable for new design implementations. Current inventory of 910 units supports production requirements.

For Automotive Applications with Existing Designs: The ERJ-1TNF6651U is applicable where AEC-Q200 automotive qualification is required. However, its Not For New Designs status restricts use to legacy or ongoing production of existing designs. Panasonic inventory of 4725 units is available.

Physical Compatibility Consideration: Dimensional variations exist between the two parts. The ERJ-1TNF6651U is 0.004" (0.10mm) longer and 0.002" (0.04mm) taller than the RC6432F6651CS. These differences remain within standard 2512 package tolerances and do not affect PCB footprint compatibility.

Compliance Alignment: Both parts satisfy ROHS3 compliance and MSL 1 requirements. Selection between them should be based on product lifecycle status and application-specific certifications rather than environmental compliance.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-1TNF6651U replace the RC6432F6651CS in new product designs?

A: The ERJ-1TNF6651U carries a Not For New Designs status from the manufacturer. For new designs, the RC6432F6651CS is the appropriate selection. The Panasonic part is restricted to legacy production or existing design continuity.

Q: Are there dimensional differences that affect PCB layout?

A: Minor dimensional variations exist. The ERJ-1TNF6651U measures 0.252" L x 0.126" W (6.40mm x 3.20mm) compared to the RC6432F6651CS at 0.248" L x 0.126" W (6.30mm x 3.20mm). Both conform to the 2512 package standard, and these differences do not require PCB footprint modification.

Q: What is the significance of the AEC-Q200 qualification on the Panasonic part?

A: AEC-Q200 is an automotive industry qualification standard. The ERJ-1TNF6651U meets this specification, making it suitable for automotive applications where such certification is contractually required. The RC6432F6651CS does not carry this designation.

Q: Are both parts RoHS3 compliant?

A: Yes. Both the RC6432F6651CS and ERJ-1TNF6651U are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings.

Q: What determines substitution eligibility between these parts?

A: Substitution is based on electrical equivalence (6.65 kOhms ±1%, 1W, ±100ppm/°C, -55°C to 155°C), mechanical compatibility (2512 package, 2 terminations), and compliance alignment (ROHS3, MSL 1). Both parts meet these criteria.

Q: Which part should be selected for cost optimization?

A: Selection should prioritize product status and design lifecycle requirements over cost. The RC6432F6651CS is the standard choice for new designs. Cost comparison is secondary to compliance and production status alignment.