RC1608F2492CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F2492CS is a 24.9 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 with ROHS3 compliance and unlimited moisture sensitivity level (MSL 1). The RC1608F2492CS is designed for general-purpose applications requiring precision resistive elements with moisture resistance in compact form factors. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct interchangeability in circuit designs.

Substiute Parts

RC1608F2492CS

Samsung Electro-MechanicsIn Stock: 1422RC1608F2492CS Datasheet

Current PartRFQ

CR0603-FX-2492ELF

Bourns Inc.In Stock: 116882CR0603-FX-2492ELF Datasheet

DirectRFQ

RC0603FR-0724K9L

YAGEOIn Stock: 2155RC0603FR-0724K9L Datasheet

DirectRFQ

AC0603FR-0724K9L

YAGEOIn Stock: 63314AC0603FR-0724K9L Datasheet

SimilarRFQ

AF0603FR-0724K9L

YAGEOIn Stock: 11278AF0603FR-0724K9L Datasheet

SimilarRFQ

CRCW060324K9FKEA

Vishay DaleIn Stock: 136968CRCW060324K9FKEA Datasheet

SimilarRFQ

CRCW060324K9FKTA

Vishay DaleIn Stock: 23827CRCW060324K9FKTA Datasheet

SimilarRFQ

ERJ-3EKF2492V

Panasonic Electronic ComponentsIn Stock: 349329ERJ-3EKF2492V Datasheet

SimilarRFQ

RMCF0603FT24K9

Stackpole Electronics IncIn Stock: 76936RMCF0603FT24K9 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F2492CS are classified into two categories based on substitution compatibility:

Direct Substitutes (Electrically and Mechanically Equivalent): Parts that match all critical parameters including resistance value (24.9 kOhms), tolerance (±1%), power rating (0.1W), package (0603), composition (Thick Film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and moisture resistance features. These parts are interchangeable without circuit redesign or thermal analysis modifications.

Similar Substitutes (Enhanced or Specialized Variants): Parts that maintain all core electrical and mechanical specifications but include additional certifications or features such as Automotive AEC-Q200 qualification or anti-sulfur treatment. These parts are functionally compatible but may be specified for applications requiring enhanced reliability standards or specific environmental conditions.

Key Parameters Determining Substitution:

1. Resistance value and tolerance (24.9 kOhms ±1%)
2. Power rating (0.1W minimum)
3. Package footprint (0603 / 1608 Metric)
4. Composition (Thick Film)
5. Temperature coefficient (±100ppm/°C)
6. Operating temperature range (-55°C ~ 155°C)
7. Moisture resistance capability
8. RoHS compliance status

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive): The RC1608F2492CS (Samsung Electro-Mechanics) and CR0603-FX-2492ELF (Bourns Inc.) are direct substitutes suitable for standard industrial and consumer electronics applications. Both maintain ROHS3 compliance and identical electrical specifications. RC0603FR-0724K9L (YAGEO) provides an alternative with equivalent performance characteristics.

For Automotive Applications: AC0603FR-0724K9L, AF0603FR-0724K9L (YAGEO), CRCW060324K9FKEA (Vishay Dale), ERJ-3EKF2492V (Panasonic), and RMCF0603FT24K9 (Stackpole) are qualified to Automotive AEC-Q200 standard. These parts are specified for automotive-grade reliability requirements and environmental stress conditions. AF0603FR-0724K9L includes anti-sulfur treatment for enhanced corrosion resistance in harsh environments.

Compliance Considerations: CRCW060324K9FKTA (Vishay Dale) is RoHS non-compliant and REACH Affected. This part is not recommended for new designs targeting ROHS3 compliance or applications subject to REACH regulations. All other substitute parts maintain ROHS3 compliance and REACH Unaffected status, matching the original RC1608F2492CS specification.

Packaging and Supply Chain: CR0603-FX-2492ELF, AC0603FR-0724K9L, AF0603FR-0724K9L, ERJ-3EKF2492V, and RMCF0603FT24K9 are available in Tape & Reel (TR) packaging for high-volume automated assembly. RC0603FR-0724K9L and CRCW060324K9FKEA offer Cut Tape (CT) & Digi-Reel® options for mixed-volume production. The original RC1608F2492CS is supplied in Cut Tape (CT) format.

Frequently Asked Questions (FAQ)

Q1: Can I substitute the RC1608F2492CS with any of the listed equivalent parts without circuit modification?

A: Yes. All listed substitute parts maintain identical electrical specifications (24.9 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C ~ 155°C operating range) and mechanical compatibility (0603 package, 2 terminations, Thick Film composition). Direct substitution is possible without circuit redesign. However, if your application requires Automotive AEC-Q200 qualification, select only parts explicitly rated for automotive use.

Q2: What is the difference between Direct Substitutes and Similar Substitutes?

A: Direct Substitutes (CR0603-FX-2492ELF, RC0603FR-0724K9L) match all core specifications without additional certifications. Similar Substitutes include Automotive AEC-Q200 qualification (AC0603FR-0724K9L, AF0603FR-0724K9L, CRCW060324K9FKEA, CRCW060324K9FKTA, ERJ-3EKF2492V, RMCF0603FT24K9) or anti-sulfur treatment (AF0603FR-0724K9L), making them suitable for specialized applications requiring enhanced reliability or environmental protection.

Q3: Why is CRCW060324K9FKTA marked as RoHS non-compliant?

A: CRCW060324K9FKTA is RoHS non-compliant and REACH Affected, indicating it does not meet current regulatory requirements for restricted substances. This part should not be used in new designs targeting ROHS3 compliance or applications subject to REACH regulations. Use CRCW060324K9FKEA (ROHS3 Compliant) as the alternative from Vishay Dale.

Q4: Which substitute part should I select for automotive applications?

A: For automotive applications, select parts with Automotive AEC-Q200 qualification: AC0603FR-0724K9L, AF0603FR-0724K9L (YAGEO), CRCW060324K9FKEA (Vishay Dale), ERJ-3EKF2492V (Panasonic), or RMCF0603FT24K9 (Stackpole). AF0603FR-0724K9L includes additional anti-sulfur treatment for enhanced corrosion resistance in harsh automotive environments.

Q5: Are there packaging format differences between substitute parts?

A: Yes. The original RC1608F2492CS is supplied in Cut Tape (CT) format. Substitute parts are available in multiple packaging formats: Tape & Reel (TR) for high-volume automated assembly, or Cut Tape (CT) & Digi-Reel® for mixed-volume production. Select packaging based on your manufacturing process and volume requirements. Electrical and mechanical specifications remain identical across all packaging formats.

Q6: What does Moisture Sensitivity Level (MSL) 1 mean?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. All listed parts, including the RC1608F2492CS, have MSL 1 rating, meaning they can be stored indefinitely without special moisture control measures. This simplifies inventory management and reduces handling complexity.

Q7: Can I use a substitute part with a different temperature coefficient?

A: No. All substitute parts maintain the same temperature coefficient (±100ppm/°C) as the RC1608F2492CS. This specification is critical for circuit stability across the operating temperature range (-55°C ~ 155°C). Using a part with different temperature coefficient will alter circuit performance and is not recommended.

Q8: What is the significance of Thick Film composition?

A: Thick Film composition indicates the manufacturing technology used to produce the resistive element. All listed parts use Thick Film technology, ensuring consistent performance characteristics, moisture resistance, and reliability. This composition is standard for 0603 package chip resistors in this resistance and tolerance range.