RC5025F2151CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F2151CS is a 2.15 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated for 0.667W (2/3W) power dissipation in a 2010 (5025 Metric) surface mount package. This component is currently in active production status with 919 pieces available in inventory.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit the use of alternative manufacturers' components that meet or exceed the electrical and mechanical specifications of the original part.

Substiute Parts

RC5025F2151CS

Samsung Electro-MechanicsIn Stock: 942RC5025F2151CS Datasheet

Current PartRFQ

ERJ-12SF2151U

Panasonic Electronic ComponentsIn Stock: 10774ERJ-12SF2151U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F2151CS is determined by strict adherence to the following parameters:

Critical Matching Parameters:

• Resistance value: 2.15 kOhms
• Tolerance: ±1%
• Package designation: 2010 (5025 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C minimum
• Moisture sensitivity level: MSL 1 or better
• RoHS compliance: ROHS3 Compliant

Allowable Variation:

• Power rating: Equal to or greater than 0.667W (2/3W)
• Physical height: Within component mounting tolerance
• Packaging format: May differ (bulk, tape & reel, etc.)

The ERJ-12SF2151U from Panasonic Electronic Components qualifies as a direct substitute based on matching all critical parameters while providing a higher power rating of 0.75W (3/4W).

Parameter Comparison

Engineering Selection Recommendations

Primary Component (RC5025F2151CS): The Samsung Electro-Mechanics RC5025F2151CS is recommended for new designs due to its active production status. This component carries full manufacturer support and is suitable for long-term production applications.

Substitute Component (ERJ-12SF2151U): The Panasonic ERJ-12SF2151U qualifies as a functional equivalent for applications where the RC5025F2151CS is unavailable. This substitute meets all critical electrical and mechanical parameters. However, the ERJ-12SF2151U carries a "Not For New Designs" status, indicating that Panasonic has discontinued active development for this part number. The substitute is suitable for:

• Replacement in existing production runs
• Maintenance and repair applications
• Situations where supply of the primary component is constrained

Both components are ROHS3 compliant and REACH unaffected, meeting current environmental and regulatory requirements.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-12SF2151U be used as a direct replacement for the RC5025F2151CS in new product designs?

A: The ERJ-12SF2151U meets all electrical and mechanical specifications required for substitution. However, due to its "Not For New Designs" status, it is not recommended for new product development. Use the RC5025F2151CS for new designs to ensure long-term component availability and manufacturer support.

Q: What is the significance of the higher power rating (0.75W vs. 0.667W) on the substitute part?

A: The higher power rating on the ERJ-12SF2151U indicates greater thermal capability. In applications where the RC5025F2151CS is rated for 0.667W, the substitute can safely handle this power level with additional thermal margin. This does not affect electrical performance or circuit behavior.

Q: Are the physical dimensions compatible between these two parts?

A: Both components use the 2010 (5025 Metric) package designation. The maximum seated height differs slightly (0.66mm vs. 0.70mm), but this variation falls within standard PCB assembly tolerances and does not affect placement or functionality.

Q: Do both parts have the same moisture sensitivity rating?

A: Yes. Both the RC5025F2151CS and ERJ-12SF2151U carry MSL 1 (Unlimited) ratings, indicating no moisture sensitivity restrictions for storage, handling, or reflow processes.

Q: What packaging formats are available for each part?

A: The RC5025F2151CS is available in standard packaging (specific format not detailed in specifications). The ERJ-12SF2151U is supplied in Tape & Reel (TR) format, which is standard for high-volume production applications.

Q: Are there any compliance differences between the two parts?

A: Both components are ROHS3 compliant and REACH unaffected. They share identical environmental and regulatory compliance status, making them interchangeable from a compliance perspective.