RC5025F2152CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F2152CS is a 21.5 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 and features moisture-resistant construction suitable for general industrial and commercial applications.

Substitute parts become necessary when the primary component experiences supply constraints, extended lead times, or when design requirements permit alternative manufacturers meeting equivalent electrical and mechanical specifications. The ERJ-12SF2152U from Panasonic Electronic Components serves as a qualified substitute, though it carries a "Not For New Designs" status and features automotive-grade qualification.

Substiute Parts

RC5025F2152CS

Samsung Electro-MechanicsIn Stock: 833RC5025F2152CS Datasheet

Current PartRFQ

ERJ-12SF2152U

Panasonic Electronic ComponentsIn Stock: 6924ERJ-12SF2152U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F2152CS is determined by strict alignment with the following critical parameters:

Mandatory Matching Parameters:

• Resistance value: 21.5 kOhms (exact match required)
• Tolerance: ±1% (substitutes must not exceed this tolerance)
• Package designation: 2010 (5025 Metric) (physical compatibility)
• Composition: Thick Film (electrical performance characteristics)
• Temperature coefficient: ±100ppm/°C (stability requirement)
• Operating temperature range: -55°C ~ 155°C (environmental compatibility)
• RoHS3 compliance (regulatory requirement)

Acceptable Variation Parameters:

• Power rating: Substitutes rated at 0.75W (3/4W) or higher satisfy the 0.667W minimum requirement
• Packaging format: Original component uses standard packaging; substitute may use Tape & Reel (TR) format for automated assembly
• Moisture Sensitivity Level: MSL 1 rating is equivalent across both parts

The ERJ-12SF2152U meets all mandatory matching criteria and exceeds the power rating requirement, making it a valid electrical and mechanical substitute. However, its "Not For New Designs" status indicates Panasonic has discontinued this product line for new applications.

Parameter Comparison

Engineering Selection Recommendations

For Active Production and New Designs: The RC5025F2152CS is the preferred component selection. It maintains active production status from Samsung Electro-Mechanics, ensuring long-term availability and supply chain stability. This component is suitable for all new circuit designs requiring a 21.5 kOhms ±1% thick film resistor in the 2010 package format.

For Existing Designs Requiring Substitution: The ERJ-12SF2152U from Panasonic Electronic Components is electrically and mechanically compatible with the RC5025F2152CS. Both components share identical resistance value, tolerance, temperature coefficient, operating temperature range, package dimensions, and RoHS3 compliance status. The substitute component's higher power rating (0.75W versus 0.667W) provides additional thermal margin without affecting circuit performance.

Compliance Considerations: Both components satisfy ROHS3 regulatory requirements and carry MSL 1 moisture sensitivity ratings, indicating unlimited shelf life under standard storage conditions. The ERJ-12SF2152U includes automotive AEC-Q200 qualification, which exceeds general industrial requirements but does not restrict its use in non-automotive applications.

Supply Chain Implications: The ERJ-12SF2152U carries "Not For New Designs" status, indicating Panasonic has transitioned this product line. While current inventory availability is substantial (6,856 pieces), this component should be considered only for sustaining production of existing designs or temporary supply relief. For new product development, the RC5025F2152CS remains the recommended primary selection.

Frequently Asked Questions (FAQ)

Q: Can the ERJ-12SF2152U be used as a direct replacement for the RC5025F2152CS in existing circuit boards?

A: Yes. Both components share identical electrical specifications (21.5 kOhms ±1%, ±100ppm/°C temperature coefficient, -55°C to 155°C operating range) and physical package dimensions (2010/5025 Metric, 5.00mm x 2.50mm). The substitute's maximum seated height of 0.028" (0.70mm) versus the main part's 0.026" (0.66mm) represents a 0.02mm difference within typical PCB assembly tolerances. No circuit redesign is required.

Q: What does "Not For New Designs" status mean for the ERJ-12SF2152U?

A: This designation indicates that Panasonic has discontinued active development and long-term support for this product line. While the component remains available from existing inventory, Panasonic does not recommend its use in new product designs. For new applications, the RC5025F2152CS should be selected to ensure sustained availability throughout the product lifecycle.

Q: Are there any thermal performance differences between these two resistors?

A: The ERJ-12SF2152U is rated for 0.75W (3/4W) power dissipation compared to the RC5025F2152CS at 0.667W (2/3W). This represents a 12.5% higher power rating on the substitute component. In applications where the RC5025F2152CS operates near its rated power limit, the ERJ-12SF2152U provides additional thermal headroom. Both components maintain identical temperature coefficient specifications (±100ppm/°C) and operating temperature range (-55°C to 155°C).

Q: Do packaging format differences affect substitution compatibility?

A: The RC5025F2152CS is supplied in standard packaging, while the ERJ-12SF2152U is available in Tape & Reel (TR) format. This difference affects only the delivery and handling method for automated assembly processes. The actual component dimensions, electrical performance, and PCB footprint compatibility remain identical. TR packaging is standard for high-volume manufacturing and does not impact circuit functionality.

Q: Are both components RoHS compliant?

A: Yes. Both the RC5025F2152CS and ERJ-12SF2152U are ROHS3 compliant and carry MSL 1 (Unlimited) moisture sensitivity ratings. This means both components meet current regulatory requirements for hazardous substance restrictions and require no special moisture-controlled storage or handling procedures.

Q: What is the tolerance specification, and why does it matter for substitution?

A: Both components are specified at ±1% tolerance, meaning the actual resistance value will fall within ±1% of the nominal 21.5 kOhms value (21.315 kOhms to 21.685 kOhms). This tolerance class is identical between the main part and substitute, ensuring equivalent accuracy in circuit applications. Substitutes with wider tolerances (such as ±5%) would not be acceptable for this application.