RC5025F1401CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F1401CS is a 1.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is classified as Active product status and features moisture-resistant construction suitable for general industrial and consumer applications.

Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the same package footprint. The RC5025F1401CS may require substitution due to inventory availability, supply chain considerations, or application-specific performance requirements such as automotive qualification or enhanced power ratings.

Substiute Parts

RC5025F1401CS

Samsung Electro-MechanicsIn Stock: 846RC5025F1401CS Datasheet

Current PartRFQ

CRCW20101K40FKEF

Vishay DaleIn Stock: 45241CRCW20101K40FKEF Datasheet

SimilarRFQ

ERJ-12SF1401U

Panasonic Electronic ComponentsIn Stock: 8996ERJ-12SF1401U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F1401CS are qualified based on the following critical parameters that must remain constant or be enhanced:

Mandatory Matching Parameters:

• Resistance value: 1.4 kOhms
• Tolerance: ±1%
• Package footprint: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2

Allowable Variations:

• Power rating may be equal or higher (0.667W minimum)
• Packaging format may differ (bulk to Tape & Reel)
• Additional certifications or features (e.g., AEC-Q200 automotive qualification) are permissible enhancements

The identified substitute parts maintain electrical equivalence while offering alternative sourcing options with identical or superior performance characteristics within the same mechanical envelope.

Parameter Comparison

Engineering Selection Recommendations

RC5025F1401CS (Samsung Electro-Mechanics) - Primary Selection

The RC5025F1401CS maintains Active product status with established supply availability (772 Pcs in stock). This component is suitable for applications where moisture-resistant thick film construction and standard industrial temperature range are required. Selection is appropriate for non-automotive applications with standard reliability requirements.

CRCW20101K40FKEF (Vishay Dale) - Preferred Substitute

The CRCW20101K40FKEF is classified as Active product status with superior inventory availability (45,200 Pcs in stock). This substitute provides enhanced power rating (0.75W vs. 0.667W), AEC-Q200 automotive qualification, and identical electrical parameters. The increased power rating provides design margin for thermal performance. This part is suitable for both industrial and automotive applications requiring higher reliability standards.

ERJ-12SF1401U (Panasonic Electronic Components) - Legacy Substitute

The ERJ-12SF1401U is classified as Not For New Designs, indicating this part is in end-of-life phase. While electrically equivalent with AEC-Q200 automotive qualification and enhanced power rating (0.75W), this component should not be selected for new product designs. Existing inventory (8,943 Pcs) may be utilized for legacy product support or maintenance applications only.

Frequently Asked Questions (FAQ)

Q: Can CRCW20101K40FKEF directly replace RC5025F1401CS in existing designs?

A: Yes. Both parts share identical resistance value (1.4 kOhms), tolerance (±1%), package footprint (2010/5025 Metric), composition (thick film), and operating temperature range (-55°C ~ 155°C). The CRCW20101K40FKEF provides equal or superior performance with higher power rating (0.75W vs. 0.667W) and maintains MSL 1 moisture sensitivity rating. Physical dimensions are compatible with maximum seated height difference of 0.002" (0.04mm).

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

A: AEC-Q200 is an automotive industry standard qualification for passive components. Both CRCW20101K40FKEF and ERJ-12SF1401U carry this certification, indicating enhanced reliability testing and performance validation for automotive applications. The RC5025F1401CS does not specify this qualification, making the Vishay Dale substitute preferable for automotive or high-reliability applications.

Q: Why is ERJ-12SF1401U marked "Not For New Designs"?

A: This designation indicates the part is in end-of-life status and the manufacturer is discontinuing production. While electrically and mechanically equivalent, new product designs should not incorporate this component. Existing inventory may be used for legacy product support or field replacements only.

Q: Are there packaging format differences between these parts?

A: The RC5025F1401CS is supplied in standard packaging format (not specified as Tape & Reel). Both substitute parts (CRCW20101K40FKEF and ERJ-12SF1401U) are supplied in Tape & Reel (TR) format, which is standard for high-volume surface mount assembly. This difference does not affect electrical or mechanical compatibility.

Q: What is the maximum height difference between these parts?

A: The RC5025F1401CS has maximum seated height of 0.026" (0.66mm), while both substitutes have maximum seated height of 0.028" (0.70mm). The difference of 0.002" (0.04mm) is within typical PCB design tolerances and does not affect assembly or functionality in standard applications.

Q: Can these parts be used interchangeably in high-temperature applications?

A: Yes. All three parts share identical operating temperature range of -55°C ~ 155°C and temperature coefficient of ±100ppm/°C. Electrical performance and stability are equivalent across the full temperature range.