RC6432F26R1CS Equivalent & Substitute Parts Reference

Part Overview

The RC6432F26R1CS is a 26.1 Ohms ±1% 1W chip resistor manufactured by Samsung Electro-Mechanics in the 2512 (6432 Metric) package. This thick film, moisture-resistant component operates across -55°C to 155°C and is ROHS3 compliant. The part is currently in active production status with 799 units available in inventory. Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with application requirements.

Substiute Parts

RC6432F26R1CS

Samsung Electro-MechanicsIn Stock: 855RC6432F26R1CS Datasheet

Current PartRFQ

CRCW251226R1FKEG

Vishay DaleIn Stock: 2877CRCW251226R1FKEG Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC6432F26R1CS is determined by strict alignment across five critical parameter categories:

Electrical Parameters: Resistance value (26.1 Ohms), tolerance (±1%), power rating (1W), and temperature coefficient (±100ppm/°C) must be identical. These parameters directly determine circuit performance and cannot vary.

Thermal Parameters: Operating temperature range (-55°C ~ 155°C) must be maintained or exceeded. The substitute must function across the full specified range.

Mechanical Parameters: Package designation (2512 / 6432 Metric) ensures physical compatibility with PCB layouts and assembly equipment. Dimensional variations within supplier tolerances are acceptable.

Material Composition: Thick film construction is required for consistency with the original design.

Environmental & Compliance Parameters: Moisture Sensitivity Level 1 (Unlimited), ROHS3 compliance, and REACH unaffected status must be maintained. These certifications are non-negotiable for regulated applications.

The CRCW251226R1FKEG from Vishay Dale meets all five categories and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

Both the RC6432F26R1CS and CRCW251226R1FKEG are active production components with identical electrical, thermal, and mechanical specifications. Selection between these parts should be based on:

Compliance Requirements: The CRCW251226R1FKEG carries AEC-Q200 automotive qualification, making it suitable for automotive and high-reliability applications where this certification is mandated. The RC6432F26R1CS does not specify AEC-Q200 status.

Packaging Format: The RC6432F26R1CS is supplied in standard packaging, while the CRCW251226R1FKEG is available in Tape & Reel (TR) format, which is preferred for automated assembly processes.

Inventory Availability: The CRCW251226R1FKEG has 2830 units in stock compared to 799 units for the RC6432F26R1CS, providing greater supply security.

Dimensional Tolerance: Both parts meet 2512 package specifications. The RC6432F26R1CS has a maximum seated height of 0.026" (0.66mm), while the CRCW251226R1FKEG is 0.028" (0.70mm). This 0.02mm difference is within standard PCB assembly tolerances and does not affect functionality.

For non-automotive applications with standard packaging requirements, either part is functionally equivalent. For automotive applications or high-volume automated assembly, the CRCW251226R1FKEG is the preferred selection.

Frequently Asked Questions (FAQ)

Q: Can the CRCW251226R1FKEG replace the RC6432F26R1CS in existing designs?

A: Yes. All critical electrical parameters (resistance, tolerance, power rating, temperature coefficient) and operating temperature range are identical. The 2512 package dimensions are equivalent. Direct substitution is permissible without circuit redesign.

Q: What does AEC-Q200 qualification mean for the Vishay part?

A: AEC-Q200 is an automotive industry standard for discrete semiconductors and passive components. It certifies that the component meets automotive reliability, quality, and environmental stress testing requirements. This qualification is required for automotive applications but is not necessary for general industrial or consumer electronics.

Q: Are there dimensional differences between these parts?

A: Both parts conform to the 2512 (6432 Metric) package standard. The seated height differs by 0.02mm (RC6432F26R1CS: 0.66mm maximum; CRCW251226R1FKEG: 0.70mm maximum). This variation is within standard PCB assembly tolerances and does not affect board layout or component placement.

Q: Why is the CRCW251226R1FKEG supplied in Tape & Reel format?

A: Tape & Reel (TR) packaging is the standard format for automated surface mount assembly. It enables high-speed pick-and-place machine processing. Standard packaging is used for manual assembly or lower-volume applications.

Q: Do both parts meet RoHS and REACH compliance?

A: Yes. Both the RC6432F26R1CS and CRCW251226R1FKEG are ROHS3 compliant and REACH unaffected, meeting current environmental and hazardous substance regulations.

Q: What is Moisture Sensitivity Level 1?

A: MSL 1 (Unlimited) indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. No baking or dry-pack storage is necessary before soldering.

Q: Can I use either part interchangeably in high-temperature applications?

A: Yes. Both parts operate across -55°C to 155°C with identical temperature coefficients (±100ppm/°C). They are functionally equivalent across the full operating range.