RC6432F1910CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F1910CS is a 191 Ohm ±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 full RoHS3 compliance and unlimited moisture sensitivity rating (MSL 1). The part is currently in stock with 932 pieces available.

Substitute parts become necessary when the primary manufacturer part is unavailable, when design requirements shift toward automotive-qualified alternatives, or when supply chain optimization requires component standardization across multiple qualified sources. The substitute identified maintains electrical equivalence while offering alternative manufacturing and qualification profiles.

Substiute Parts

RC6432F1910CS

Samsung Electro-MechanicsIn Stock: 1038RC6432F1910CS Datasheet

Current PartRFQ

ERJ-1TNF1910U

Panasonic Electronic ComponentsIn Stock: 19109ERJ-1TNF1910U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F1910CS is determined by strict equivalence across the following parameters:

Mandatory Matching Parameters:

• Resistance Value: 191 Ohms (exact match required)
• Tolerance: ±1% (substitute tolerance must be equal or tighter)
• Power Rating: 1W (substitute must support equal or greater power dissipation)
• Package / Case: 2512 (6432 Metric) (physical and electrical footprint compatibility)
• Composition: Thick Film (material consistency for performance predictability)
• Temperature Coefficient: ±100ppm/°C (thermal stability equivalence)
• Operating Temperature Range: -55°C ~ 155°C (environmental capability match)

Compliance Parameters:

• RoHS3 Compliant status required
• Moisture Sensitivity Level 1 acceptable

The identified substitute ERJ-1TNF1910U meets all mandatory matching parameters. The primary distinction is product status classification and automotive qualification (AEC-Q200), which represents an enhancement rather than a limitation for general applications.

Parameter Comparison

Engineering Selection Recommendations

RC6432F1910CS Selection Criteria:

• Primary choice for new designs requiring active product status
• Recommended when Samsung Electro-Mechanics supply chain is preferred
• Suitable for applications without automotive qualification requirements
• Current inventory availability: 932 pieces

ERJ-1TNF1910U Selection Criteria:

• Electrical and thermal equivalence confirmed across all critical parameters
• AEC-Q200 automotive qualification provides enhanced reliability documentation
• Larger inventory availability: 19,081 pieces supports high-volume requirements
• Product status "Not For New Designs" indicates mature component lifecycle; suitable for production support and field replacement applications
• Tape & Reel packaging format optimized for automated assembly processes
• Dimensional variations (length +0.004", height +0.002") remain within standard PCB assembly tolerances

Substitution Feasibility: Both components are electrically and mechanically interchangeable for applications requiring 191 Ohm ±1% 1W thick film resistors in 2512 package format. Selection between them depends on supply availability, product lifecycle requirements, and packaging format preferences rather than electrical performance differences.

Frequently Asked Questions (FAQ)

Q: Can ERJ-1TNF1910U replace RC6432F1910CS in existing designs?

A: Yes. The substitute maintains electrical equivalence across resistance value, tolerance, power rating, temperature coefficient, and operating temperature range. Physical dimensions are within standard assembly tolerances. No circuit redesign is required.

Q: What does "Not For New Designs" mean for the ERJ-1TNF1910U?

A: This product status indicates the component is in mature lifecycle phase. Panasonic continues manufacturing and supporting this part for production and field replacement applications. The designation does not affect electrical performance or reliability. It reflects manufacturer's recommendation that new product designs consider alternative current-generation parts from their portfolio if available.

Q: Are there dimensional compatibility concerns?

A: Minor dimensional differences exist: ERJ-1TNF1910U is 0.004" longer and 0.002" taller than RC6432F1910CS. These variations fall within standard PCB assembly tolerances and do not affect footprint compatibility or solder joint reliability for 2512 package applications.

Q: Do both parts meet the same compliance requirements?

A: Yes. Both components are ROHS3 compliant, REACH unaffected, and classified as MSL 1 (unlimited moisture sensitivity). Regulatory and environmental compliance profiles are equivalent.

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

A: AEC-Q200 is an automotive industry standard qualification demonstrating enhanced reliability testing and quality assurance. For non-automotive applications, this qualification represents an additional assurance of component stability and performance consistency but is not a requirement for general industrial or consumer electronics use.

Q: Which packaging format should be selected?

A: RC6432F1910CS packaging format is not specified in available data. ERJ-1TNF1910U is supplied in Tape & Reel (TR) format, standard for automated SMD assembly. Packaging selection depends on assembly process requirements and volume considerations.

Q: Are there any temperature performance differences?

A: No. Both components operate across -55°C to 155°C with identical ±100ppm/°C temperature coefficient. Thermal performance and resistance drift characteristics are equivalent.