RC6432F5230CS 523 Ohm 1% 1W Chip Resistor 2512 Equivalent & Substitute Parts

Part Overview

The RC6432F5230CS is a 523 Ohm ±1% 1W thick film chip resistor in 2512 (6432 Metric) package manufactured by Samsung Electro-Mechanics. This component is classified as Active product status with moisture resistant characteristics and ROHS3 compliance. Substitute parts are identified when the original manufacturer part becomes unavailable, inventory is depleted, or design requirements necessitate alternative qualified sources while maintaining electrical and mechanical compatibility within specified tolerance parameters.

Substiute Parts

RC6432F5230CS

Samsung Electro-MechanicsIn Stock: 881RC6432F5230CS Datasheet

Current PartRFQ

ERJ-1TNF5230U

Panasonic Electronic ComponentsIn Stock: 7379ERJ-1TNF5230U Datasheet

SimilarRFQ

RMCF2512FT523R

Stackpole Electronics IncIn Stock: 5100RMCF2512FT523R Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC6432F5230CS are qualified based on strict electrical and mechanical parameter alignment. The substitution logic requires:

Mandatory Matching Parameters:

• Resistance value: 523 Ohms (exact match)
• Tolerance: ±1% (equal or tighter tolerance acceptable)
• Power rating: 1W (equal or higher acceptable)
• Package: 2512 (6432 Metric) form factor
• Composition: Thick film construction
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• Moisture sensitivity: MSL 1 or better
• RoHS compliance: ROHS3 or equivalent

Acceptable Variations:

• Manufacturer source (different qualified suppliers)
• Packaging format (Tape & Reel acceptable for bulk applications)
• Product status (Active or Not For New Designs both acceptable if electrical parameters match)
• Specific certifications (AEC-Q200 automotive qualification is additive, not restrictive)
• Dimensional tolerances within standard IPC specifications for 2512 package

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: RMCF2512FT523R (Stackpole Electronics Inc)

The RMCF2512FT523R is the preferred substitute for new designs and ongoing production. This part maintains Active product status, ensuring long-term availability and manufacturer support. All critical electrical parameters match the RC6432F5230CS exactly: 523 Ohm resistance, ±1% tolerance, 1W power rating, thick film composition, ±100ppm/°C temperature coefficient, and -55°C to 155°C operating range. Physical dimensions are within standard 2512 package tolerances. AEC-Q200 automotive qualification provides additional reliability assurance for demanding applications. ROHS3 compliance and MSL 1 rating match the original specification.

Secondary Substitute: ERJ-1TNF5230U (Panasonic Electronic Components)

The ERJ-1TNF5230U is a qualified alternative when RMCF2512FT523R is unavailable. This part meets all mandatory electrical and mechanical parameters. However, product status is classified as "Not For New Designs," indicating this part is in mature/declining phase. Current inventory (7286 Pcs) is substantial, supporting short-term availability. AEC-Q200 automotive qualification and ROHS3 compliance are present. Dimensional variation in length (0.252" vs 0.248") and height (0.028" vs 0.026") remains within standard IPC tolerances for 2512 package and does not affect PCB layout compatibility.

Selection Criteria:

• For new designs and long-term production: Select RMCF2512FT523R
• For legacy system maintenance or immediate availability: ERJ-1TNF5230U is acceptable
• All three parts are electrically and mechanically interchangeable within specified tolerance bands

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF5230U be used as a direct replacement for RC6432F5230CS?

A: Yes. Both parts share identical electrical specifications (523 Ohms ±1%, 1W, ±100ppm/°C, -55°C to 155°C). Physical dimensions are within standard 2512 package tolerances. The "Not For New Designs" status indicates Panasonic's product lifecycle phase, not a technical incompatibility. Existing designs using RC6432F5230CS can substitute ERJ-1TNF5230U without circuit modification.

Q: What is the significance of the dimensional differences between these parts?

A: Length variation (0.248" to 0.252") and height variation (0.026" to 0.028") are within IPC standard tolerances for 2512 (6432 Metric) package classification. These differences do not affect PCB footprint compatibility, solder reflow performance, or electrical function. All three parts use identical 0.126" width and 2-termination configuration.

Q: Why does RMCF2512FT523R have AEC-Q200 rating while RC6432F5230CS does not?

A: AEC-Q200 is an automotive industry qualification standard. Stackpole's RMCF series includes this certification; Samsung's RC series specification sheet does not list it. Both parts meet identical base electrical and environmental requirements. AEC-Q200 represents additional qualification testing and is not a restriction on non-automotive applications.

Q: Are all three parts ROHS3 compliant?

A: Yes. RC6432F5230CS, ERJ-1TNF5230U, and RMCF2512FT523R are all ROHS3 compliant. All three parts have MSL 1 (Unlimited) moisture sensitivity rating, indicating no special storage or handling requirements.

Q: Can these parts be used interchangeably in existing PCB designs?

A: Yes, within standard manufacturing tolerances. The 2512 package footprint is standardized across all three manufacturers. Electrical performance is identical across the specified operating range. No circuit redesign or PCB layout modification is required for substitution.

Q: What is the difference between Tape & Reel and standard packaging?

A: Tape & Reel (TR) packaging is the standard format for automated assembly processes. Both ERJ-1TNF5230U and RMCF2512FT523R are supplied in Tape & Reel format, suitable for pick-and-place equipment. RC6432F5230CS packaging format is not specified in the provided data but does not affect electrical compatibility.

Q: Which substitute should be selected for critical applications?

A: RMCF2512FT523R is recommended for critical applications due to Active product status, ensuring continued manufacturer support and long-term availability. AEC-Q200 qualification provides additional reliability documentation for demanding environments.