Equivalent & Substitute Parts for RC1608F2552CS

Part Overview

The RC1608F2552CS is a 25.5 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics, rated at 0.1W (1/10W) power dissipation in a 0603 (1608 Metric) surface mount package. This component is classified as Active product status and is designed for general-purpose applications requiring moisture-resistant thick film construction. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional replacement in circuit designs.

Substiute Parts

RC1608F2552CS

Samsung Electro-MechanicsIn Stock: 651RC1608F2552CS Datasheet

Current PartRFQ

CR0603-FX-2552ELF

Bourns Inc.In Stock: 26623CR0603-FX-2552ELF Datasheet

DirectRFQ

RC0603FR-0725K5L

YAGEOIn Stock: 10167RC0603FR-0725K5L Datasheet

DirectRFQ

AC0603FR-0725K5L

YAGEOIn Stock: 5959AC0603FR-0725K5L Datasheet

SimilarRFQ

CRCW060325K5FKEA

Vishay DaleIn Stock: 61963CRCW060325K5FKEA Datasheet

SimilarRFQ

CRCW060325K5FKTA

Vishay DaleIn Stock: 5485CRCW060325K5FKTA Datasheet

SimilarRFQ

ERJ-3EKF2552V

Panasonic Electronic ComponentsIn Stock: 68602ERJ-3EKF2552V Datasheet

SimilarRFQ

RMCF0603FT25K5

Stackpole Electronics IncIn Stock: 173155RMCF0603FT25K5 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F2552CS are classified into two categories based on functional equivalence and compliance alignment:

Direct Equivalents (Identical Specifications): Parts that match all critical electrical parameters (25.5 kOhms, ±1% tolerance, 0.1W power rating), mechanical dimensions (0603 package), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and environmental ratings (MSL 1, ROHS3 Compliant). These parts are interchangeable without design modification.

Automotive-Qualified Alternatives (AEC-Q200 Rated): Parts that meet all electrical and mechanical specifications but include additional automotive qualification (AEC-Q200 rating). These components are suitable for applications requiring automotive-grade reliability. Some variants may have minor dimensional tolerances or different RoHS/REACH compliance status.

Substitution Criteria:

• Resistance value: 25.5 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power rating: 0.1W minimum (exact match required)
• Package: 0603 (1608 Metric) (exact match required)
• Temperature coefficient: ±100ppm/°C (exact match required)
• Operating temperature: -55°C ~ 155°C minimum (exact match required)
• Composition: Thick Film (exact match required)

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive): CR0603-FX-2552ELF (Bourns Inc.) and RC0603FR-0725K5L (YAGEO) are direct functional equivalents with identical electrical and mechanical specifications. Both maintain ROHS3 compliance and MSL 1 rating. Selection between these options may be based on availability, lead time, or supplier preference.

For Automotive Applications (AEC-Q200 Required): AC0603FR-0725K5L (YAGEO), CRCW060325K5FKEA (Vishay Dale), ERJ-3EKF2552V (Panasonic Electronic Components), and RMCF0603FT25K5 (Stackpole Electronics Inc) are qualified alternatives with AEC-Q200 certification. All four parts meet the electrical and mechanical requirements of the RC1608F2552CS while providing automotive-grade reliability assurance.

Compliance Considerations: The RC1608F2552CS is ROHS3 compliant and REACH unaffected. Most substitute parts maintain this compliance status. CRCW060325K5FKTA (Vishay Dale) is noted as RoHS non-compliant and REACH affected; this part should be selected only when legacy design requirements mandate its use.

Inventory and Availability: RMCF0603FT25K5 (Stackpole Electronics Inc) maintains the highest inventory level (173,124 pcs), followed by ERJ-3EKF2552V (Panasonic, 68,522 pcs) and CRCW060325K5FKEA (Vishay Dale, 61,925 pcs). These options provide supply chain flexibility for high-volume production requirements.

Frequently Asked Questions (FAQ)

Q: Can I substitute the RC1608F2552CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the critical electrical parameters (25.5 kOhms, ±1% tolerance, 0.1W power rating), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and mechanical package (0603). Direct substitution is permissible at the component level without circuit modification.

Q: What is the difference between parts with and without AEC-Q200 certification?

A: AEC-Q200 certification indicates automotive-grade qualification and enhanced reliability testing. Parts with AEC-Q200 rating (AC0603FR-0725K5L, CRCW060325K5FKEA, ERJ-3EKF2552V, RMCF0603FT25K5) are suitable for automotive applications. Parts without this rating (CR0603-FX-2552ELF, RC0603FR-0725K5L) are suitable for general-purpose applications. Selection depends on application requirements, not electrical performance.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within the 0603 package specification. The RC1608F2552CS specifies 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. CRCW060325K5FKEA and CRCW060325K5FKTA specify 0.061" L x 0.033" W (1.55mm x 0.85mm) with 0.020" (0.50mm) maximum seated height. RMCF0603FT25K5 specifies 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within standard 0603 package tolerances and do not affect PCB layout compatibility.

Q: What does MSL 1 (Unlimited) mean for moisture sensitivity?

A: MSL 1 indicates the lowest moisture sensitivity level. Components rated MSL 1 have unlimited shelf life and do not require special moisture-control storage or handling procedures. All listed substitute parts carry MSL 1 rating, ensuring consistent moisture handling requirements across all options.

Q: Why is CRCW060325K5FKTA marked as RoHS non-compliant?

A: CRCW060325K5FKTA is noted as RoHS non-compliant and REACH affected, indicating it may contain restricted substances. This part should be selected only when legacy design requirements or specific supply chain constraints mandate its use. For new designs, ROHS3-compliant alternatives are recommended.

Q: Can I use these parts interchangeably in production?

A: Yes, within the constraints of your application requirements. For general-purpose designs, any listed part is functionally equivalent. For automotive applications, select only AEC-Q200-qualified parts (AC0603FR-0725K5L, CRCW060325K5FKEA, ERJ-3EKF2552V, RMCF0603FT25K5). For compliance-sensitive applications, verify RoHS and REACH status before final selection.

Q: Which substitute part offers the best supply chain availability?

A: RMCF0603FT25K5 (Stackpole Electronics Inc) offers the highest inventory level at 173,124 pieces. ERJ-3EKF2552V (Panasonic, 68,522 pcs) and CRCW060325K5FKEA (Vishay Dale, 61,925 pcs) provide secondary options for supply chain redundancy.