RC5025F3830CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F3830CS is a 383 Ohm ±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) power dissipation and features moisture-resistant construction with an operating temperature range of -55°C to 155°C. The part maintains Active product status with 943 units currently in stock.

Substitute parts are necessary when the primary component becomes unavailable, when design requirements mandate automotive-grade qualification, or when higher power ratings are required within the same package footprint and electrical specifications.

Substiute Parts

RC5025F3830CS

Samsung Electro-MechanicsIn Stock: 1042RC5025F3830CS Datasheet

Current PartRFQ

CRCW2010383RFKEF

Vishay DaleIn Stock: 4734CRCW2010383RFKEF Datasheet

SimilarRFQ

ERJ-12SF3830U

Panasonic Electronic ComponentsIn Stock: 19805ERJ-12SF3830U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F3830CS is determined by strict alignment with the following core parameters:

Mandatory Matching Parameters:

• Resistance value: 383 Ohms (exact match required)
• Tolerance: ±1% (equal or tighter tolerance acceptable)
• Package / Case: 2010 (5025 Metric) (physical footprint must be identical)
• Composition: Thick Film (technology type must match)
• Temperature Coefficient: ±100ppm/°C (drift specification must match)
• Operating Temperature Range: -55°C to 155°C (minimum coverage required)
• RoHS Status: ROHS3 Compliant (regulatory compliance required)

Flexible Parameters:

• Power Rating: Minimum 0.667W; higher ratings (0.75W) are acceptable as they provide additional thermal margin
• Moisture Sensitivity Level: MSL 1 or better acceptable
• Automotive qualification (AEC-Q200): Optional enhancement; not required for general applications

Both substitute parts listed meet all mandatory parameters and exceed the power rating specification, providing enhanced thermal performance within the identical package footprint.

Parameter Comparison

Engineering Selection Recommendations

CRCW2010383RFKEF (Vishay Dale) - Primary Substitute

This part is recommended as the primary substitute for new designs and ongoing production. It maintains Active product status, meets all mandatory electrical and mechanical parameters, and carries AEC-Q200 automotive qualification. The 0.75W power rating provides thermal margin above the original 0.667W specification. Physical dimensions are compatible with the original footprint, with a maximum seated height of 0.028" compared to the original 0.026", which remains within typical PCB assembly tolerances. ROHS3 compliance and MSL 1 rating ensure regulatory and handling compatibility.

ERJ-12SF3830U (Panasonic Electronic Components) - Secondary Substitute

This part meets all mandatory electrical and mechanical parameters and carries AEC-Q200 automotive qualification. However, it is designated as "Not For New Designs," indicating that Panasonic has discontinued active development for this product line. While the part is currently available in inventory (19,699 units), it should be used only for legacy system maintenance, repair, or applications where design freeze requirements mandate component consistency with existing production runs. The 0.75W power rating and identical package specifications ensure functional compatibility.

Selection Criteria Summary:

• For new designs: Select CRCW2010383RFKEF
• For legacy or repair applications: ERJ-12SF3830U is acceptable if design constraints require it
• Both substitutes provide enhanced thermal performance and automotive-grade reliability
• Physical compatibility is confirmed for standard PCB assembly processes

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC5025F3830CS with a higher power-rated resistor in the same package?

A: Yes. Both substitute parts are rated at 0.75W (3/4W) compared to the original 0.667W (2/3W). Higher power ratings within the same 2010 package footprint provide additional thermal margin and are electrically compatible. The resistance value, tolerance, temperature coefficient, and operating temperature range remain identical, ensuring circuit function is preserved.

Q: Are the physical dimensions of the substitute parts identical to the original?

A: The planar dimensions are identical: 0.197" L x 0.098" W (5.00mm x 2.50mm). The maximum seated height differs slightly: the original RC5025F3830CS is 0.026" (0.66mm), while both substitutes are 0.028" (0.70mm). This 0.002" (0.04mm) difference is within standard PCB assembly tolerances and does not affect component placement or soldering.

Q: What is the difference between the Vishay Dale and Panasonic substitute parts?

A: Both parts are electrically and mechanically equivalent. The primary difference is product status: CRCW2010383RFKEF (Vishay Dale) is Active and recommended for new designs, while ERJ-12SF3830U (Panasonic) is designated "Not For New Designs." Both carry AEC-Q200 automotive qualification and are ROHS3 compliant. For new production, Vishay Dale is the preferred choice.

Q: Do the substitute parts maintain the same moisture resistance and handling requirements?

A: Yes. All three parts carry MSL 1 (Unlimited) moisture sensitivity level rating, indicating no special moisture control is required during storage or handling. ROHS3 compliance is maintained across all parts, ensuring regulatory compatibility for both original and substitute components.

Q: Can I use these substitutes in automotive applications?

A: Both substitute parts carry AEC-Q200 automotive qualification, making them suitable for automotive applications. The original RC5025F3830CS does not specify automotive qualification, so if your application requires AEC-Q200 compliance, the substitute parts provide this additional assurance.

Q: What should I verify before implementing a substitute part in production?

A: Verify that your PCB assembly process accommodates the maximum seated height of 0.028" for the substitute parts. Confirm that your circuit design does not depend on the specific thermal characteristics of the original 0.667W rating (the higher 0.75W rating is thermally superior and will not cause issues). Validate that your supply chain and inventory management systems are updated to reflect the new part number.