RC5025F123CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F123CS is a 12 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is classified as Active product status with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical specifications and mechanical compatibility are maintained across the 2010 package footprint, allowing for direct replacement in circuit designs where performance parameters align.

Substiute Parts

RC5025F123CS

Samsung Electro-MechanicsIn Stock: 1226RC5025F123CS Datasheet

Current PartRFQ

RC2010FK-0712KL

YAGEOIn Stock: 8422RC2010FK-0712KL Datasheet

UpgradeRFQ

RMCF2010FT12K0

Stackpole Electronics IncIn Stock: 8957RMCF2010FT12K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC5025F123CS are qualified based on the following criteria:

Mandatory Matching Parameters:

• Resistance Value: 12 kOhms
• Tolerance: ±1%
• Package / Case: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C
• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: MSL 1 (Unlimited)

Allowable Variation:

• Power Rating: Substitute parts rated at 0.75W (3/4W) or higher satisfy applications requiring the 0.667W (2/3W) baseline, as higher power ratings provide equivalent or superior thermal performance within the same package footprint.

Substitute Classification:

Upgrade Substitute: RC2010FK-0712KL (YAGEO) — Increased power rating (0.75W) with identical electrical and mechanical specifications.

Similar Substitute: RMCF2010FT12K0 (Stackpole Electronics Inc) — Increased power rating (0.75W) with automotive AEC-Q200 qualification, suitable for applications requiring automotive-grade reliability.

Parameter Comparison

Engineering Selection Recommendations

RC2010FK-0712KL (YAGEO) — Upgrade Substitute: Selection of this substitute is appropriate for applications where increased thermal margin is beneficial. The 0.75W power rating provides 12.5% additional power dissipation capacity compared to the original 0.667W specification, while maintaining identical electrical characteristics, package footprint, and compliance certifications. ROHS3 compliance and MSL 1 rating ensure compatibility with standard manufacturing and storage protocols.

RMCF2010FT12K0 (Stackpole Electronics Inc) — Similar Substitute: This substitute is qualified for applications requiring automotive-grade component reliability. The AEC-Q200 qualification indicates compliance with automotive industry standards for component qualification and reliability testing. The 0.75W power rating and identical electrical specifications maintain functional equivalence. The maximum seated height of 0.028" (0.70mm) represents a 0.04mm increase over the original specification and must be verified against PCB assembly clearance requirements. ROHS3 compliance and MSL 1 rating are maintained.

Selection Criteria:

• Use RC2010FK-0712KL for general industrial and commercial applications requiring standard thick film resistor performance.
• Use RMCF2010FT12K0 for automotive applications or designs requiring AEC-Q200 qualified components.
• Verify PCB assembly clearance for RMCF2010FT12K0 due to maximum seated height of 0.028" (0.70mm).

Frequently Asked Questions (FAQ)

Q: Can RC2010FK-0712KL and RMCF2010FT12K0 be used interchangeably with RC5025F123CS?

A: Both substitute parts meet the core electrical specifications (12 kOhms ±1%, ±100ppm/°C, -55°C ~ 155°C operating range) and package requirements (2010 / 5025 Metric). The higher power ratings (0.75W vs. 0.667W) are compatible with applications designed for the original part. Selection between them depends on application requirements: RC2010FK-0712KL for standard applications, RMCF2010FT12K0 for automotive applications requiring AEC-Q200 qualification.

Q: What is the significance of the power rating difference between 0.667W and 0.75W?

A: The substitute parts are rated at 0.75W (3/4W), which is 12.5% higher than the original 0.667W (2/3W) rating. This higher rating provides additional thermal margin and does not create compatibility issues in circuits designed for the original specification. The substitute parts will operate within acceptable temperature ranges under identical load conditions.

Q: Are there any height clearance concerns with the substitute parts?

A: The original RC5025F123CS has a maximum seated height of 0.026" (0.66mm). RC2010FK-0712KL maintains this height at 0.026" (0.65mm). RMCF2010FT12K0 has a maximum seated height of 0.028" (0.70mm), representing a 0.04mm increase. Verify PCB assembly design clearances before selecting RMCF2010FT12K0 for space-constrained applications.

Q: Do all three parts meet the same compliance and environmental standards?

A: Yes. All three parts are ROHS3 compliant, REACH unaffected, classified as EAR99, and rated MSL 1 (Unlimited moisture sensitivity level). Temperature coefficient specifications are identical at ±100ppm/°C, and operating temperature ranges are -55°C ~ 155°C across all parts.

Q: What is the difference between the "Upgrade Substitute" and "Similar Substitute" classifications?

A: RC2010FK-0712KL (Upgrade Substitute) provides increased power rating with identical specifications and is suitable for general replacement. RMCF2010FT12K0 (Similar Substitute) also provides increased power rating but includes automotive AEC-Q200 qualification, making it suitable for automotive applications where this certification is required or preferred.

Q: Can these parts be used in high-reliability or military applications?

A: The provided specifications do not include military qualification data (MIL-PRF standards) or high-reliability certifications. Selection for high-reliability or military applications requires verification against specific program requirements and qualification documentation beyond the parameters listed.