RC5025F1331CS Equivalent & Substitute Parts

Part Overview

The RC5025F1331CS is a 1.33 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2010 (5025 Metric) package format. This component is rated for 0.667W (2/3W) continuous power dissipation and features moisture-resistant construction with unlimited moisture sensitivity level (MSL 1). The part is currently in active production status and maintains full RoHS3 compliance.

Substitute parts are identified when equivalent electrical performance and mechanical compatibility can be maintained across different manufacturers while preserving the critical functional parameters of resistance value, tolerance, package dimensions, and operating temperature range.

Substiute Parts

RC5025F1331CS

Samsung Electro-MechanicsIn Stock: 711RC5025F1331CS Datasheet

Current PartRFQ

CRCW20101K33FKEF

Vishay DaleIn Stock: 8250CRCW20101K33FKEF Datasheet

SimilarRFQ

ERJ-12SF1331U

Panasonic Electronic ComponentsIn Stock: 5880ERJ-12SF1331U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F1331CS is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Resistance value: 1.33 kOhms
• Tolerance: ±1%
• Package format: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C
• Moisture sensitivity level: 1 (Unlimited)
• RoHS3 compliance status

Allowable Variation:

• Power rating: Substitute parts rated at 0.75W (3/4W) or higher satisfy applications requiring 0.667W (2/3W) performance
• Physical height: Seated height up to 0.028" (0.70mm) accommodates the 0.026" (0.66mm) maximum of the primary part within standard PCB assembly tolerances
• Packaging format: Both bulk and tape & reel configurations are mechanically compatible

Identified substitute parts maintain identical electrical specifications while offering enhanced power handling capability and automotive-grade qualification in certain cases.

Parameter Comparison

Engineering Selection Recommendations

Primary Selection: RC5025F1331CS (Samsung Electro-Mechanics)

The RC5025F1331CS remains the recommended primary selection for new designs. This part maintains active production status, ensuring long-term availability and supply chain stability. The component is fully RoHS3 compliant with unlimited moisture sensitivity rating, suitable for standard industrial and consumer applications.

Secondary Selection: CRCW20101K33FKEF (Vishay Dale)

The CRCW20101K33FKEF serves as the preferred substitute for applications requiring enhanced power handling or automotive-grade qualification. This part is actively produced and carries AEC-Q200 automotive certification. The increased power rating of 0.75W (3/4W) provides design margin for applications where the primary part's 0.667W rating approaches thermal limits. Mechanical compatibility is confirmed through identical package dimensions and MSL 1 rating.

Tertiary Selection: ERJ-12SF1331U (Panasonic Electronic Components)

The ERJ-12SF1331U is electrically and mechanically equivalent to the primary part and carries AEC-Q200 automotive certification. However, this part is designated "Not For New Designs" by the manufacturer. Selection of this component is limited to legacy system maintenance, repair, or applications where existing design validation has been completed. New design implementations should prioritize the primary or secondary selections.

Frequently Asked Questions (FAQ)

Q: Can CRCW20101K33FKEF and ERJ-12SF1331U be used interchangeably with RC5025F1331CS?

A: Both substitute parts are mechanically and electrically compatible with the RC5025F1331CS. All three components share identical resistance values (1.33 kOhms), tolerance (±1%), package format (2010/5025 Metric), temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The substitute parts offer equal or higher power ratings and maintain RoHS3 compliance with MSL 1 moisture sensitivity.

Q: What is the significance of the higher power rating on substitute parts?

A: The CRCW20101K33FKEF and ERJ-12SF1331U are rated for 0.75W (3/4W) compared to the RC5025F1331CS rating of 0.667W (2/3W). This higher rating provides additional thermal margin in applications approaching the primary part's power dissipation limit. The substitute parts remain physically identical in package dimensions and can be used in circuits designed for the lower power rating without modification.

Q: Are there packaging differences between these parts?

A: The RC5025F1331CS is supplied in standard packaging format. The CRCW20101K33FKEF and ERJ-12SF1331U are supplied in tape & reel (TR) format. Both packaging configurations are compatible with standard PCB assembly equipment. The physical component dimensions and electrical performance remain identical regardless of packaging format.

Q: What does "Not For New Designs" mean for the ERJ-12SF1331U?

A: This designation indicates that Panasonic has classified the ERJ-12SF1331U as a legacy product. While the part remains available and fully functional, the manufacturer does not recommend its use in new product development. Existing designs utilizing this component may continue in production. New designs should prioritize the RC5025F1331CS or CRCW20101K33FKEF.

Q: Are all three parts RoHS3 compliant?

A: Yes. The RC5025F1331CS, CRCW20101K33FKEF, and ERJ-12SF1331U are all RoHS3 compliant. All three parts maintain REACH Unaffected status and carry EAR99 ECCN classification.

Q: What is the difference in seated height between these components?

A: The RC5025F1331CS has a maximum seated height of 0.66mm, while both substitute parts have a maximum seated height of 0.70mm. This 0.04mm difference falls within standard PCB assembly tolerances and does not affect mechanical compatibility or board-level integration.

Q: Can these parts be used in automotive applications?

A: The CRCW20101K33FKEF and ERJ-12SF1331U carry AEC-Q200 automotive qualification. The RC5025F1331CS does not carry explicit automotive certification. For applications requiring automotive-grade components, the CRCW20101K33FKEF is the recommended selection.