RC1608J242CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608J242CS is a 2.4 kOhms ±5% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This surface mount device is rated for 0.1W (1/10W) 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 ROHS3 compliance and MSL 1 rating, indicating unlimited moisture sensitivity protection. Equivalent and substitute parts are identified to address inventory availability, supply chain continuity, and application-specific requirements such as enhanced tolerance or automotive qualification.

Substiute Parts

RC1608J242CS

Samsung Electro-MechanicsIn Stock: 1001RC1608J242CS Datasheet

Current PartRFQ

RC0603JR-072K4L

YAGEOIn Stock: 226822RC0603JR-072K4L Datasheet

DirectRFQ

RMCF0603JT2K40

Stackpole Electronics IncIn Stock: 149333RMCF0603JT2K40 Datasheet

DirectRFQ

CRG0603F2K4

TE Connectivity Passive ProductIn Stock: 1208CRG0603F2K4 Datasheet

UpgradeRFQ

ERJ-3EKF2401V

Panasonic Electronic ComponentsIn Stock: 106844ERJ-3EKF2401V Datasheet

UpgradeRFQ

ERJ-3GEYJ242V

Panasonic Electronic ComponentsIn Stock: 152790ERJ-3GEYJ242V Datasheet

UpgradeRFQ

RC0603FR-072K4L

YAGEOIn Stock: 598382RC0603FR-072K4L Datasheet

UpgradeRFQ

RMCF0603FT2K40

Stackpole Electronics IncIn Stock: 156605RMCF0603FT2K40 Datasheet

UpgradeRFQ

AC0603JR-072K4L

YAGEOIn Stock: 10777AC0603JR-072K4L Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict adherence to the following core parameters: resistance value (2.4 kOhms), package format (0603/1608 Metric), power rating (0.1W), composition (thick film), operating temperature range (-55°C to 155°C), and compliance certifications (ROHS3, MSL 1).

Substitute parts are categorized into three groups:

Direct Equivalents maintain identical tolerance (±5%), temperature coefficient (±100ppm/°C), and moisture resistant features. These parts are interchangeable without circuit performance modification.

Upgrade Substitutes feature improved tolerance (±1%) while maintaining all other critical parameters. These parts provide enhanced accuracy for precision applications while remaining mechanically and electrically compatible.

Similar Substitutes include automotive AEC-Q200 qualification in addition to standard parameters, suitable for applications requiring automotive-grade reliability.

All substitute parts share the same 0603 package footprint, two terminations, height profile (0.022" maximum seated), and compliance framework (ROHS3, MSL 1, REACH Unaffected, EAR99 ECCN classification).

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection: RC0603JR-072K4L (YAGEO) provides identical electrical and mechanical specifications to the RC1608J242CS with significantly higher inventory availability (226,729 units). This part maintains ±5% tolerance, ±100ppm/°C temperature coefficient, and moisture resistant construction. Selection is appropriate for applications where the original Samsung part is unavailable and equivalent performance is required.

Automotive-Qualified Alternatives: RMCF0603JT2K40 (Stackpole Electronics Inc) and ERJ-3GEYJ242V (Panasonic Electronic Components) both carry AEC-Q200 automotive qualification while maintaining ±5% tolerance and 0603 package compatibility. These parts are suitable for automotive and industrial applications requiring enhanced reliability certification. Note that RMCF0603JT2K40 specifies ±200ppm/°C temperature coefficient compared to the original ±100ppm/°C specification.

Tolerance Upgrade Options: CRG0603F2K4 (TE Connectivity), ERJ-3EKF2401V (Panasonic), RC0603FR-072K4L (YAGEO), and RMCF0603FT2K40 (Stackpole) all provide ±1% tolerance improvement over the original ±5% specification. These upgrades maintain identical 0.1W power rating, 0603 package format, and operating temperature range. RC0603FR-072K4L offers the highest inventory (598,338 units) among tolerance-upgraded options and is available in Cut Tape & Digi-Reel packaging in addition to standard Tape & Reel format.

Combined Qualification: AC0603JR-072K4L (YAGEO) combines both automotive AEC-Q200 qualification and moisture resistant construction with ±5% tolerance, providing enhanced environmental protection for demanding applications.

All recommended substitutes maintain ROHS3 compliance, MSL 1 rating, and identical package footprint (0603/1608 Metric) with 0.022" maximum seated height, ensuring direct PCB compatibility without layout modification.

Frequently Asked Questions (FAQ)

Q: Can RC0603JR-072K4L directly replace RC1608J242CS without circuit redesign?

A: Yes. RC0603JR-072K4L is a direct equivalent with identical resistance (2.4 kOhms), tolerance (±5%), power rating (0.1W), package format (0603), temperature coefficient (±100ppm/°C), and operating range (-55°C to 155°C). Both parts are moisture resistant thick film resistors with MSL 1 rating and ROHS3 compliance. No circuit modification is required.

Q: What is the difference between direct equivalents and upgrade substitutes?

A: Direct equivalents (RC0603JR-072K4L, RMCF0603JT2K40, ERJ-3GEYJ242V, AC0603JR-072K4L) maintain the original ±5% tolerance specification. Upgrade substitutes (CRG0603F2K4, ERJ-3EKF2401V, RC0603FR-072K4L, RMCF0603FT2K40) provide improved ±1% tolerance while maintaining all other electrical and mechanical parameters. Upgrade substitutes are suitable when enhanced accuracy is beneficial but not required by circuit design.

Q: Are automotive-qualified parts (AEC-Q200) suitable for non-automotive applications?

A: Yes. Automotive-qualified parts exceed standard reliability requirements and are fully compatible with non-automotive applications. AEC-Q200 certification indicates enhanced testing and quality assurance. These parts can be used in any application where the original part is specified, with the benefit of additional reliability margin.

Q: What is the significance of temperature coefficient differences (±100ppm/°C vs ±200ppm/°C)?

A: Temperature coefficient indicates resistance value drift across the operating temperature range. The original RC1608J242CS and most direct equivalents specify ±100ppm/°C. RMCF0603JT2K40 and ERJ-3GEYJ242V specify ±200ppm/°C, indicating greater resistance variation with temperature. For applications with tight tolerance requirements across temperature extremes, ±100ppm/°C parts are preferred. For general applications, ±200ppm/°C is acceptable.

Q: Does packaging format (Tape & Reel vs Cut Tape & Digi-Reel) affect electrical performance?

A: No. Packaging format affects only handling, storage, and assembly logistics. RC0603FR-072K4L is available in both Tape & Reel and Cut Tape & Digi-Reel formats with identical electrical specifications. Selection depends on manufacturing equipment compatibility and inventory management requirements.

Q: Can I use a ±1% tolerance part in place of a ±5% tolerance part?

A: Yes. A ±1% tolerance part is a direct upgrade providing superior accuracy. The circuit will function correctly with improved tolerance performance. However, if the original design specifically requires ±5% tolerance for cost optimization or other reasons, upgrade substitutes should be evaluated for cost impact.

Q: Are all substitute parts ROHS3 compliant?

A: Yes. All listed substitute parts maintain ROHS3 compliance, MSL 1 rating, and REACH Unaffected status, matching the environmental and regulatory compliance of the original RC1608J242CS.