RC6432F3241CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F3241CS is a 3.24 kOhms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film resistor features moisture resistance and operates across the temperature range of -55°C to 155°C. The part is currently in active production status with 1013 units available in inventory.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained. The RC6432F3241CS serves as the primary reference for applications requiring moisture-resistant thick film construction without automotive qualification requirements.

Substiute Parts

RC6432F3241CS

Samsung Electro-MechanicsIn Stock: 1054RC6432F3241CS Datasheet

Current PartRFQ

ERJ-1TNF3241U

Panasonic Electronic ComponentsIn Stock: 1470ERJ-1TNF3241U Datasheet

SimilarRFQ

RMCF2512FT3K24

Stackpole Electronics IncIn Stock: 8871RMCF2512FT3K24 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F3241CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 3.24 kOhms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 1W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C to 155°C (exact match or wider range acceptable)

Mechanical Compatibility Requirements:

• Package / Case: 2512 (6432 Metric) (exact match)
• Number of terminations: 2 (exact match)
• Composition: Thick Film (exact match)

Compliance Requirements:

• RoHS3 Compliant (mandatory)
• REACH Unaffected (mandatory)
• Moisture Sensitivity Level 1 (unlimited) (mandatory)

Two substitute parts meet these criteria: ERJ-1TNF3241U (Panasonic Electronic Components) and RMCF2512FT3K24 (Stackpole Electronics Inc). Both maintain identical electrical specifications and mechanical compatibility while offering alternative sourcing options.

Parameter Comparison

Engineering Selection Recommendations

RC6432F3241CS (Samsung Electro-Mechanics) - Primary Selection

The RC6432F3241CS is the recommended primary choice for new designs. This part maintains active production status, ensuring long-term availability and supply chain stability. The moisture-resistant thick film construction provides reliable performance in standard industrial and commercial applications. RoHS3 compliance and REACH unaffected status satisfy current regulatory requirements.

RMCF2512FT3K24 (Stackpole Electronics Inc) - Preferred Substitute

The RMCF2512FT3K24 is the preferred substitute option. This part is in active production status and maintains identical electrical specifications and mechanical compatibility with the RC6432F3241CS. The Stackpole part includes AEC-Q200 automotive qualification, which provides additional reliability assurance for demanding applications. Inventory availability is significantly higher (8855 units), supporting consistent supply. The 0.028" maximum seated height represents a minor dimensional variation within acceptable PCB assembly tolerances.

ERJ-1TNF3241U (Panasonic Electronic Components) - Secondary Substitute

The ERJ-1TNF3241U is a secondary substitute option. This part meets all electrical and mechanical equivalence criteria and includes AEC-Q200 automotive qualification. However, the product status is listed as "Not For New Designs," indicating that Panasonic has discontinued this part for new applications. The 0.252" length dimension represents a 0.004" increase over the primary part, and the 0.028" maximum seated height is 0.002" greater than the RC6432F3241CS. These dimensional variations remain within standard PCB assembly tolerances but should be verified for space-constrained layouts. Use this part only when existing inventory must be consumed or when supply constraints prevent access to active production alternatives.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF3241U be used as a direct replacement for RC6432F3241CS?

A: ERJ-1TNF3241U meets all electrical specifications and mechanical compatibility requirements. However, the product status is "Not For New Designs," indicating discontinued status for new applications. The dimensional variations (0.252" length vs. 0.248", 0.028" height vs. 0.026") are within standard PCB assembly tolerances but should be verified for space-constrained designs.

Q: What is the difference between the moisture-resistant feature of RC6432F3241CS and the AEC-Q200 qualification of the substitute parts?

A: The RC6432F3241CS specifies moisture resistance as a construction feature. The substitute parts (ERJ-1TNF3241U and RMCF2512FT3K24) include AEC-Q200 automotive qualification, which encompasses moisture resistance along with additional reliability testing requirements for automotive applications. Both approaches satisfy moisture protection requirements; AEC-Q200 qualification provides broader environmental and reliability assurance.

Q: Are there inventory or lead time considerations when selecting between these parts?

A: Inventory levels differ significantly: RC6432F3241CS (1013 units), ERJ-1TNF3241U (1406 units), and RMCF2512FT3K24 (8855 units). The Stackpole part offers substantially higher inventory availability. For applications with extended production runs or supply chain redundancy requirements, RMCF2512FT3K24 provides superior availability assurance.

Q: Do the dimensional variations between these parts affect PCB layout?

A: The RC6432F3241CS and RMCF2512FT3K24 share identical dimensions (0.248" L x 0.126" W, 0.026" max height). The ERJ-1TNF3241U has a 0.004" longer length (0.252") and 0.002" greater height (0.028"). These variations are within standard PCB assembly tolerances but should be verified for designs with tight component spacing or height restrictions.

Q: Are all three parts compliant with current regulatory requirements?

A: All three parts are ROHS3 compliant and REACH unaffected, satisfying current regulatory requirements for commercial and industrial applications. The substitute parts include additional AEC-Q200 automotive qualification, which provides enhanced reliability assurance for demanding environments.

Q: Which part should be selected for new design implementations?

A: For new designs, select either RC6432F3241CS (Samsung) or RMCF2512FT3K24 (Stackpole). Both are in active production status. The Stackpole part offers higher inventory availability and AEC-Q200 qualification. The Samsung part maintains the original specification with moisture-resistant construction. ERJ-1TNF3241U should not be selected for new designs due to discontinued status.