RC5025F122CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F122CS is a 1.2 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) power dissipation with moisture-resistant construction and operates across the temperature range of -55°C to 155°C. The part maintains Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and package compatibility while accounting for power rating variations and manufacturer certifications.

Substiute Parts

RC5025F122CS

Samsung Electro-MechanicsIn Stock: 1189RC5025F122CS Datasheet

Current PartRFQ

RC2010FK-071K2L

YAGEOIn Stock: 1690RC2010FK-071K2L Datasheet

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CRCW20101K20FKEF

Vishay DaleIn Stock: 59512CRCW20101K20FKEF Datasheet

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RMCF2010FT1K20

Stackpole Electronics IncIn Stock: 8047RMCF2010FT1K20 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F122CS are qualified based on the following criteria:

Electrical Compatibility: All substitute parts maintain identical resistance value (1.2 kOhms) and tolerance (±1%), ensuring direct functional equivalence in circuit applications.

Mechanical Compatibility: All substitute parts utilize the 2010 (5025 Metric) package format with matching physical dimensions (0.197" L x 0.098" W / 5.00mm x 2.50mm), enabling direct PCB footprint compatibility.

Thermal Characteristics: All substitute parts maintain the same temperature coefficient (±100ppm/°C) and operating temperature range (-55°C to 155°C), ensuring equivalent thermal performance.

Power Rating Consideration: Substitute parts RC2010FK-071K2L, CRCW20101K20FKEF, and RMCF2010FT1K20 are rated at 0.75W (3/4W), which exceeds the original 0.667W (2/3W) specification. This higher power rating provides design margin and is acceptable for direct substitution in applications where the original part is specified.

Compliance and Certifications: All parts maintain ROHS3 compliance, MSL 1 rating, and REACH unaffected status. CRCW20101K20FKEF and RMCF2010FT1K20 include AEC-Q200 automotive qualification, providing additional reliability assurance for automotive and high-reliability applications.

Parameter Comparison

Engineering Selection Recommendations

General Industrial Applications: RC2010FK-071K2L (YAGEO) provides direct substitution with higher power rating margin and maintains all electrical and mechanical compatibility parameters. This part is suitable for standard industrial circuit applications requiring the 1.2 kOhms ±1% specification.

Automotive and High-Reliability Applications: CRCW20101K20FKEF (Vishay Dale) and RMCF2010FT1K20 (Stackpole Electronics) are qualified to AEC-Q200 automotive standards, providing enhanced reliability assurance for automotive, aerospace, and mission-critical applications. Both parts maintain identical electrical specifications and package compatibility while offering automotive-grade quality assurance.

Supply Chain Flexibility: All three substitute parts maintain Active product status with substantial inventory availability (RC2010FK-071K2L: 1617 pcs, CRCW20101K20FKEF: 59428 pcs, RMCF2010FT1K20: 8021 pcs), enabling flexible sourcing strategies and supply chain continuity.

Power Margin Consideration: The 0.75W (3/4W) power rating of all substitute parts exceeds the original 0.667W (2/3W) specification, providing additional thermal margin in circuit designs and reducing thermal stress during operation.

Frequently Asked Questions (FAQ)

Q: Can RC2010FK-071K2L, CRCW20101K20FKEF, and RMCF2010FT1K20 be used as direct replacements for RC5025F122CS?

A: Yes. All three parts maintain identical resistance value (1.2 kOhms), tolerance (±1%), package format (2010 / 5025 Metric), physical dimensions, temperature coefficient (±100ppm/°C), and operating temperature range (-55°C to 155°C). The higher power rating (0.75W vs. 0.667W) of the substitute parts is acceptable for direct substitution and provides additional design margin.

Q: What is the difference between the substitute parts?

A: RC2010FK-071K2L (YAGEO) is a standard industrial-grade thick film resistor. CRCW20101K20FKEF (Vishay Dale) and RMCF2010FT1K20 (Stackpole Electronics) include AEC-Q200 automotive qualification, making them suitable for automotive and high-reliability applications requiring enhanced quality assurance and traceability.

Q: Are all parts ROHS3 compliant?

A: Yes. RC5025F122CS, RC2010FK-071K2L, CRCW20101K20FKEF, and RMCF2010FT1K20 are all ROHS3 compliant with MSL 1 (Unlimited) moisture sensitivity rating and REACH unaffected status.

Q: Does the higher power rating of substitute parts affect circuit performance?

A: No. The 0.75W (3/4W) power rating of substitute parts exceeds the original 0.667W (2/3W) specification. This higher rating provides additional thermal margin and does not alter electrical performance. The resistor will operate at the same voltage and current levels as the original part.

Q: Can these parts be used interchangeably on the same PCB?

A: Yes. All parts utilize the 2010 (5025 Metric) package with identical physical dimensions (0.197" L x 0.098" W / 5.00mm x 2.50mm) and two terminations, ensuring direct PCB footprint compatibility without layout modifications.

Q: Which substitute part should be selected for automotive applications?

A: CRCW20101K20FKEF (Vishay Dale) or RMCF2010FT1K20 (Stackpole Electronics) are recommended for automotive applications due to AEC-Q200 qualification. Both parts meet automotive reliability and quality standards while maintaining all electrical and mechanical specifications of the original part.