RC1608F1242CS Equivalent & Substitute Parts

Part Overview

The RC1608F1242CS is a 12.4 kOhms ±1% thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format with 0.1W power rating. This component is classified as Active product status with moisture-resistant construction and RoHS3 compliance. Equivalent and substitute parts are identified when component availability is limited, supply chain disruptions occur, or design requirements necessitate alternative sourcing from qualified manufacturers while maintaining electrical and mechanical compatibility.

Substiute Parts

RC1608F1242CS

Samsung Electro-MechanicsIn Stock: 780RC1608F1242CS Datasheet

Current PartRFQ

CR0603-FX-1242ELF

Bourns Inc.In Stock: 58367CR0603-FX-1242ELF Datasheet

DirectRFQ

CRG0603F12K4

TE Connectivity Passive ProductIn Stock: 1030CRG0603F12K4 Datasheet

DirectRFQ

RC0603FR-0712K4L

YAGEOIn Stock: 15353RC0603FR-0712K4L Datasheet

DirectRFQ

AC0603FR-0712K4L

YAGEOIn Stock: 20101AC0603FR-0712K4L Datasheet

SimilarRFQ

CRCW060312K4FKEA

Vishay DaleIn Stock: 49873CRCW060312K4FKEA Datasheet

SimilarRFQ

CRCW060312K4FKEB

Vishay DaleIn Stock: 18828CRCW060312K4FKEB Datasheet

SimilarRFQ

CRCW060312K4FKTA

Vishay DaleIn Stock: 2466CRCW060312K4FKTA Datasheet

SimilarRFQ

ERJ-3EKF1242V

Panasonic Electronic ComponentsIn Stock: 102780ERJ-3EKF1242V Datasheet

SimilarRFQ

RMCF0603FT12K4

Stackpole Electronics IncIn Stock: 209647RMCF0603FT12K4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F1242CS is determined by strict equivalence across the following critical parameters:

• Resistance value: 12.4 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Package: 0603 (1608 Metric)
• Composition: Thick Film
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C ~ 155°C
• Termination count: 2
• RoHS3 compliance

Substitute parts are categorized as Direct equivalents when all electrical and mechanical parameters match identically. Similar parts are identified when additional features (such as automotive AEC-Q200 qualification) are present but do not conflict with the base specification. All listed substitutes maintain the same footprint, thermal characteristics, and environmental ratings as the primary component.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalents (Preferred Selection)

CR0603-FX-1242ELF (Bourns Inc.), CRG0603F12K4 (TE Connectivity), RC0603FR-0712K4L (YAGEO), and RMCF0603FT12K4 (Stackpole Electronics Inc.) are direct functional equivalents with identical electrical specifications, RoHS3 compliance, and Active product status. These parts are suitable for direct substitution in applications where the RC1608F1242CS is specified.

Similar Parts with Enhanced Qualification

AC0603FR-0712K4L (YAGEO), CRCW060312K4FKEA (Vishay Dale), ERJ-3EKF1242V (Panasonic), and CRCW060312K4FKTA (Vishay Dale) include automotive AEC-Q200 qualification in addition to base specifications. These parts are suitable for applications requiring automotive-grade reliability and are backward-compatible with non-automotive designs.

Parts with Compliance Considerations

CRCW060312K4FKEB (Vishay Dale) is RoHS3 compliant but discontinued at DiGi Electronics, limiting availability for new procurement. CRCW060312K4FKTA (Vishay Dale) is RoHS non-compliant and REACH-affected, restricting use in applications subject to environmental regulations.

Frequently Asked Questions (FAQ)

Q: Can I use an automotive-qualified part (AEC-Q200) as a substitute for the RC1608F1242CS in a non-automotive application?

A: Yes. Automotive-qualified parts such as AC0603FR-0712K4L, CRCW060312K4FKEA, ERJ-3EKF1242V, and CRCW060312K4FKTA meet or exceed the electrical and thermal specifications of the RC1608F1242CS and are backward-compatible with standard industrial and consumer applications.

Q: What is the difference between Tape & Reel and Cut Tape & Digi-Reel packaging?

A: Both packaging formats contain identical components. Tape & Reel (TR) is supplied on continuous carrier tape suitable for automated pick-and-place assembly. Cut Tape & Digi-Reel (CT) is supplied in shorter tape segments or alternative reel formats. Selection depends on assembly equipment compatibility and order quantity requirements.

Q: Are all listed substitutes PCB footprint-compatible with the RC1608F1242CS?

A: Yes. All substitute parts use the 0603 (1608 Metric) package with identical termination spacing and mounting pad dimensions. Minor dimensional variations (such as component length or height within tolerance) do not affect PCB layout or assembly compatibility.

Q: Why is CRCW060312K4FKTA listed if it is RoHS non-compliant?

A: CRCW060312K4FKTA is included for reference in applications where RoHS compliance is not required. For new designs or applications subject to environmental regulations (EU, China, Japan), use RoHS3-compliant alternatives such as CRCW060312K4FKEA or RMCF0603FT12K4.

Q: Can I substitute the RC1608F1242CS with a part having different tolerance or temperature coefficient?

A: No. Substitution is limited to parts with identical tolerance (±1%) and temperature coefficient (±100ppm/°C). Deviations in these parameters affect circuit performance and are not interchangeable without circuit redesign and validation.

Q: Which substitute offers the highest inventory availability?

A: RMCF0603FT12K4 (Stackpole Electronics Inc.) has the highest reported inventory at 209,622 pieces. ERJ-3EKF1242V (Panasonic) is the second option with 102,769 pieces available.