RC6432F4323CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F4323CS is a 432 kOhms ±1% 1W thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This component is classified as Active product status with moisture-resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, making it suitable for general industrial and commercial applications requiring precision resistive elements with moderate power dissipation.

Equivalent and substitute parts are identified when they share identical or functionally compatible electrical specifications (resistance value, tolerance, power rating, temperature coefficient, operating temperature range) and mechanical compatibility (package type, termination count, physical dimensions within acceptable tolerances).

Substiute Parts

RC6432F4323CS

Samsung Electro-MechanicsIn Stock: 871RC6432F4323CS Datasheet

Current PartRFQ

ERJ-1TNF4323U

Panasonic Electronic ComponentsIn Stock: 1779ERJ-1TNF4323U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F4323CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 432 kOhms (exact match required)
• Tolerance: ±1% (precision grade match)
• Power rating: 1W (thermal capacity match)
• Temperature coefficient: ±100ppm/°C (stability match)
• Operating temperature range: -55°C to +155°C (environmental compatibility)

Mechanical Equivalence Requirements:

• Package type: 2512 (6432 Metric) (footprint compatibility)
• Number of terminations: 2 (circuit configuration match)
• Composition: Thick Film (performance characteristics match)

Compliance Requirements:

• RoHS3 compliance (regulatory alignment)
• MSL 1 rating (moisture handling compatibility)

The identified substitute part ERJ-1TNF4323U meets all electrical and mechanical equivalence criteria. Dimensional variations (length 6.40mm vs. 6.30mm, height 0.70mm vs. 0.66mm) remain within acceptable tolerances for 2512 package specifications and do not affect functional compatibility or PCB assembly.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection (Active Status): The RC6432F4323CS remains the preferred selection for new designs. It carries Active product status, indicating ongoing manufacturer support, continued availability, and full design lifecycle support. This part is suitable for all new circuit implementations requiring a 432 kOhms ±1% 1W thick film resistor in 2512 package format.

Substitute Selection (Legacy/Replacement Applications): The ERJ-1TNF4323U from Panasonic Electronic Components provides full electrical and mechanical equivalence and is suitable for replacement applications, legacy system maintenance, or situations where Samsung component availability is constrained. However, this part carries "Not For New Designs" status, indicating it is in mature or declining production phase. The ERJ-1TNF4323U includes AEC-Q200 automotive qualification, which provides additional reliability assurance for demanding environments, though this certification is not required for general industrial applications.

Compliance Considerations: Both parts are ROHS3 compliant and REACH unaffected, meeting current regulatory requirements for commercial and industrial markets. Both maintain MSL 1 (Unlimited) moisture sensitivity rating, indicating no special moisture handling precautions are required during storage or assembly.

Packaging Format: The RC6432F4323CS is supplied in bulk packaging, while the ERJ-1TNF4323U is supplied in Tape & Reel format. Selection between these formats depends on assembly process requirements and volume considerations. Tape & Reel format is standard for automated pick-and-place assembly; bulk format is typical for manual assembly or lower-volume applications.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF4323U be used as a direct replacement for RC6432F4323CS in existing designs?

A: Yes. The ERJ-1TNF4323U meets all electrical specifications (432 kOhms ±1%, 1W, ±100ppm/°C, -55°C to +155°C operating range) and mechanical requirements (2512 package, 2 terminations, thick film composition). Dimensional variations (6.40mm length vs. 6.30mm, 0.70mm height vs. 0.66mm) are within acceptable 2512 package tolerances and do not affect PCB footprint compatibility or assembly. Both parts are ROHS3 compliant with MSL 1 rating.

Q: What is the significance of "Not For New Designs" status on the ERJ-1TNF4323U?

A: This status indicates the part is in mature production phase with declining manufacturer support. It remains available for replacement and legacy applications but should not be selected for new circuit designs where the RC6432F4323CS (Active status) is available. Active status parts receive ongoing design support, process improvements, and guaranteed long-term availability.

Q: Are there dimensional differences that affect PCB layout?

A: The ERJ-1TNF4323U has slightly larger dimensions (6.40mm length vs. 6.30mm, 0.70mm height vs. 0.66mm) compared to the RC6432F4323CS. These differences remain within standard 2512 package tolerances and do not require PCB footprint redesign. Both parts use identical 2512 (6432 Metric) package specifications with compatible land patterns.

Q: What does the AEC-Q200 qualification on the ERJ-1TNF4323U indicate?

A: AEC-Q200 is an automotive industry reliability standard. The ERJ-1TNF4323U meets this qualification, indicating enhanced reliability testing and performance validation for automotive and high-reliability applications. This certification is not required for general industrial use but provides additional assurance for demanding environments.

Q: How do packaging formats (bulk vs. Tape & Reel) affect component selection?

A: Packaging format affects assembly process compatibility and handling. Tape & Reel format (ERJ-1TNF4323U) is standard for automated pick-and-place assembly lines. Bulk packaging (RC6432F4323CS) is typical for manual assembly or lower-volume applications. Component electrical and mechanical specifications are identical regardless of packaging format.

Q: Are both parts suitable for moisture-sensitive applications?

A: Yes. Both the RC6432F4323CS and ERJ-1TNF4323U carry MSL 1 (Unlimited) moisture sensitivity rating, indicating no moisture-related restrictions. These parts do not require special moisture-barrier packaging or controlled humidity storage conditions during manufacturing or assembly.

Q: What is the temperature coefficient significance for this application?

A: Both parts specify ±100ppm/°C temperature coefficient, meaning resistance value changes by approximately 0.01% per degree Celsius across the -55°C to +155°C operating range. This specification is identical between parts and indicates equivalent stability performance across the full operating temperature envelope.