RC5025F12R1CS Equivalent & Substitute Parts

Part Overview

The RC5025F12R1CS is a 12.1 Ohm ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in the 2010 (5025 Metric) package format with a power rating of 0.667W (2/3W). This component is classified as Active product status and features moisture-resistant construction suitable for general industrial applications. The part is ROHS3 compliant with unlimited moisture sensitivity level (MSL 1).

Equivalent and substitute parts are identified based on matching electrical specifications (resistance value, tolerance, power rating) and mechanical compatibility (package format, dimensions, termination count) while maintaining compliance with applicable standards and certifications.

Substiute Parts

RC5025F12R1CS

Samsung Electro-MechanicsIn Stock: 911RC5025F12R1CS Datasheet

Current PartRFQ

CRCW201012R1FKEF

Vishay DaleIn Stock: 2434CRCW201012R1FKEF Datasheet

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ERJ-12SF12R1U

Panasonic Electronic ComponentsIn Stock: 7087ERJ-12SF12R1U Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F12R1CS are qualified based on the following substitution criteria:

Electrical Compatibility Requirements:

• Resistance value: 12.1 Ohms (exact match)
• Tolerance: ±1% (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C ~ 155°C (exact match)

Mechanical Compatibility Requirements:

• Package format: 2010 (5025 Metric) (exact match)
• Physical dimensions: 0.197" L x 0.098" W (5.00mm x 2.50mm) (exact match)
• Number of terminations: 2 (exact match)

Compliance Requirements:

• RoHS3 compliance (mandatory)
• Moisture sensitivity level: 1 (Unlimited)

Power Rating Consideration: Substitute parts with equal or higher power ratings (0.667W or greater) are acceptable for direct substitution. Parts with higher power ratings provide additional thermal margin and are electrically compatible with circuits designed for the original 0.667W specification.

Parameter Comparison

Engineering Selection Recommendations

CRCW201012R1FKEF (Vishay Dale) - Primary Substitute

The CRCW201012R1FKEF is qualified as a direct substitute for the RC5025F12R1CS. This part maintains all critical electrical parameters (12.1 Ohms ±1%, ±100ppm/°C temperature coefficient, -55°C ~ 155°C operating range) and mechanical compatibility (2010 package, identical footprint dimensions). The substitute features a higher power rating of 0.75W (3/4W) compared to the original 0.667W specification, providing additional thermal margin. Both parts are ROHS3 compliant with MSL 1 rating. The CRCW201012R1FKEF carries automotive AEC-Q200 qualification and maintains Active product status, making it suitable for new designs and production applications.

ERJ-12SF12R1U (Panasonic Electronic Components) - Secondary Substitute

The ERJ-12SF12R1U meets all electrical and mechanical substitution criteria with identical resistance, tolerance, temperature coefficient, and operating temperature range. Physical dimensions and package format are fully compatible. This part also features a 0.75W power rating and AEC-Q200 automotive qualification. However, the ERJ-12SF12R1U carries a "Not For New Designs" product status classification, restricting its use to legacy system support and maintenance applications only. ROHS3 compliance and MSL 1 rating are maintained.

Frequently Asked Questions (FAQ)

Q: Can the CRCW201012R1FKEF be used as a direct replacement for the RC5025F12R1CS?

A: Yes. The CRCW201012R1FKEF is electrically and mechanically compatible with the RC5025F12R1CS. Both parts share identical resistance (12.1 Ohms), tolerance (±1%), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and package format (2010 / 5025 Metric). The substitute's higher power rating (0.75W versus 0.667W) is acceptable for circuits designed for the original specification. Both parts are ROHS3 compliant with unlimited moisture sensitivity.

Q: What is the difference in physical height between the main part and substitute parts?

A: The RC5025F12R1CS has a maximum seated height of 0.026" (0.66mm), while both substitute parts (CRCW201012R1FKEF and ERJ-12SF12R1U) have a maximum seated height of 0.028" (0.70mm). This 0.002" (0.04mm) difference is within typical PCB assembly tolerances and does not affect functional compatibility or board-level integration.

Q: Why does the ERJ-12SF12R1U have a "Not For New Designs" status?

A: The "Not For New Designs" classification indicates that the ERJ-12SF12R1U is in the later stages of its product lifecycle. While the part remains functionally equivalent and available in inventory, it is restricted to maintenance, repair, and legacy system applications. For new product development, the CRCW201012R1FKEF is the recommended substitute as it maintains Active product status.

Q: Are there packaging differences between the main part and substitutes?

A: The RC5025F12R1CS is supplied in standard packaging format. The CRCW201012R1FKEF and ERJ-12SF12R1U are supplied in Tape & Reel (TR) format. Both packaging formats are compatible with automated assembly equipment. Component-level electrical and mechanical specifications remain identical regardless of packaging format.

Q: Do all parts meet the same compliance standards?

A: Yes. The RC5025F12R1CS, CRCW201012R1FKEF, and ERJ-12SF12R1U are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity level. Both substitute parts carry REACH Unaffected status and EAR99 ECCN classification, matching the original part's compliance profile.

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

A: AEC-Q200 is an automotive industry qualification standard. Both substitute parts carry this certification, indicating they meet automotive-grade reliability and performance requirements. This qualification is additional to the original part's specifications and does not restrict use in non-automotive applications.