RC5025F3481CS Equivalent & Substitute Parts Reference

Part Overview

The RC5025F3481CS is a 3.48 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 1119 units currently in stock.

Substitute parts become necessary when the primary manufacturer experiences supply constraints, when design requirements shift toward automotive-qualified components, or when higher power ratings are required within the same package footprint. The substitute parts listed below maintain electrical equivalence while offering alternative sourcing options and enhanced feature sets.

Substiute Parts

RC5025F3481CS

Samsung Electro-MechanicsIn Stock: 1200RC5025F3481CS Datasheet

Current PartRFQ

AC2010FK-073K48L

YAGEOIn Stock: 7142AC2010FK-073K48L Datasheet

UpgradeRFQ

CRCW20103K48FKEF

Vishay DaleIn Stock: 8156CRCW20103K48FKEF Datasheet

SimilarRFQ

ERJ-12SF3481U

Panasonic Electronic ComponentsIn Stock: 9852ERJ-12SF3481U Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC5025F3481CS is determined by strict adherence to the following electrical and mechanical parameters:

Primary Substitution Criteria (Non-Negotiable):

• Resistance value: 3.48 kOhms (exact match)
• Tolerance: ±1% (exact match or tighter)
• Package: 2010 (5025 Metric) (exact match for PCB compatibility)
• Composition: Thick Film (maintains electrical performance characteristics)
• Temperature Coefficient: ±100ppm/°C (exact match for temperature stability)
• Operating Temperature Range: -55°C to 155°C (must support full range)
• Moisture Resistance: Required (MSL 1 classification)
• RoHS Compliance: ROHS3 Compliant (regulatory requirement)

Secondary Substitution Criteria (Enhancement Allowed):

• Power Rating: Substitute may exceed 0.667W (0.75W acceptable as upgrade)
• Packaging Format: May differ (bulk to Tape & Reel acceptable)
• Certifications: May include additional qualifications (AEC-Q200 automotive rating acceptable as enhancement)

All three substitute parts listed below satisfy these criteria and are electrically and mechanically interchangeable with the RC5025F3481CS.

Parameter Comparison

Engineering Selection Recommendations

For Active Production Programs:

The AC2010FK-073K48L (YAGEO) and CRCW20103K48FKEF (Vishay Dale) are the preferred substitutes for new designs and ongoing production. Both components maintain Active product status, carry AEC-Q200 automotive qualification, and offer higher inventory availability (7074 and 8107 units respectively) compared to the primary part. The 0.75W power rating provides a 12.5% margin above the original 0.667W specification, enhancing thermal performance in the same package footprint.

For Existing Designs:

The RC5025F3481CS remains the specified component for designs already in production. Substitution to AC2010FK-073K48L or CRCW20103K48FKEF requires no circuit redesign due to identical electrical parameters and package dimensions. The higher power rating of substitute parts introduces no compatibility issues and improves reliability margins.

For Automotive Applications:

If the application requires automotive qualification, AC2010FK-073K48L or CRCW20103K48FKEF are mandatory selections due to AEC-Q200 certification. The RC5025F3481CS lacks automotive qualification and should not be used in automotive designs.

Regarding ERJ-12SF3481U (Panasonic):

This part carries "Not For New Designs" status and should be used only for legacy system maintenance or repair of existing equipment. New designs should not incorporate this component.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC5025F3481CS with a higher power-rated resistor in the same package?

A: Yes. The AC2010FK-073K48L and CRCW20103K48FKEF both provide 0.75W rating versus the original 0.667W. This upgrade maintains all other electrical parameters (resistance, tolerance, temperature coefficient, operating range) and fits the identical 2010 package footprint. No circuit modifications are required.

Q: What is the difference between the three substitute parts?

A: All three substitutes (AC2010FK-073K48L, CRCW20103K48FKEF, ERJ-12SF3481U) are electrically identical with matching resistance, tolerance, temperature coefficient, and operating range. The primary differences are manufacturer (YAGEO, Vishay Dale, Panasonic), packaging format (all supplied in Tape & Reel), and product status. AC2010FK-073K48L and CRCW20103K48FKEF are Active products; ERJ-12SF3481U is Not For New Designs.

Q: Are the physical dimensions identical across all parts?

A: Yes. All parts use the 2010 (5025 Metric) package with dimensions of 0.197" L x 0.098" W (5.00mm x 2.50mm). Height variations are minimal (0.026" to 0.028" seated maximum), well within PCB assembly tolerances. Direct footprint compatibility is confirmed.

Q: Do all substitute parts meet RoHS and REACH requirements?

A: Yes. All four parts (primary and three substitutes) are ROHS3 Compliant and REACH Unaffected. All carry EAR99 ECCN classification and 8533.21.0030 HTSUS code.

Q: Which substitute should I select for a new automotive design?

A: For new automotive designs, select either AC2010FK-073K48L (YAGEO) or CRCW20103K48FKEF (Vishay Dale). Both carry AEC-Q200 automotive qualification. Do not use RC5025F3481CS or ERJ-12SF3481U for new automotive applications.

Q: What is the moisture sensitivity level (MSL) for all parts?

A: All parts are classified as MSL 1 (Unlimited), indicating no moisture sensitivity restrictions. These components require no special storage or handling precautions related to moisture exposure.

Q: Can I mix different substitute parts in the same production batch?

A: Yes. All substitute parts are electrically and mechanically equivalent. Mixing AC2010FK-073K48L, CRCW20103K48FKEF, and the primary RC5025F3481CS in the same assembly introduces no functional or reliability issues. However, for traceability and quality control purposes, many manufacturers prefer single-source components per production lot.