RC1608F1742CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F1742CS is a 17.4 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 RC1608F1742CS 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 functional interchangeability in circuit designs.

Substiute Parts

RC1608F1742CS

Samsung Electro-MechanicsIn Stock: 3001RC1608F1742CS Datasheet

Current PartRFQ

CR0603-FX-1742ELF

Bourns Inc.In Stock: 13558CR0603-FX-1742ELF Datasheet

DirectRFQ

RC0603FR-0717K4L

YAGEOIn Stock: 115315RC0603FR-0717K4L Datasheet

DirectRFQ

AC0603FR-0717K4L

YAGEOIn Stock: 5483AC0603FR-0717K4L Datasheet

SimilarRFQ

CRCW060317K4FKEA

Vishay DaleIn Stock: 37403CRCW060317K4FKEA Datasheet

SimilarRFQ

CRCW060317K4FKTA

Vishay DaleIn Stock: 5920CRCW060317K4FKTA Datasheet

SimilarRFQ

ERJ-3EKF1742V

Panasonic Electronic ComponentsIn Stock: 104024ERJ-3EKF1742V Datasheet

SimilarRFQ

RMCF0603FT17K4

Stackpole Electronics IncIn Stock: 113777RMCF0603FT17K4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F1742CS are classified into two categories based on functional equivalence and application suitability:

Direct Equivalents (General-Purpose Applications): These parts match all critical electrical and mechanical parameters of the main part and are suitable for direct replacement in non-automotive applications. Selection criteria include identical resistance value (17.4 kOhms), tolerance (±1%), power rating (0.1W), package type (0603), composition (thick film), temperature coefficient (±100ppm/°C), operating temperature range (-55°C ~ 155°C), and MSL rating (1). These parts maintain ROHS3 compliance and are manufactured by established suppliers with active product status.

Automotive-Qualified Alternatives (AEC-Q200 Applications): These parts meet all electrical and mechanical specifications of the main part while additionally carrying AEC-Q200 automotive qualification. These alternatives are suitable for applications requiring automotive-grade reliability and traceability. The AEC-Q200 rating indicates compliance with automotive industry standards for component qualification, stress testing, and quality assurance. These parts are interchangeable with the main part in automotive and high-reliability applications where such certification is required or preferred.

Key Parameters Determining Substitution:

• Resistance: 17.4 kOhms (exact match required)
• Tolerance: ±1% (exact match required)
• Power Rating: 0.1W / 1/10W (exact match required)
• Package: 0603 (1608 Metric) (exact match required)
• Composition: Thick Film (exact match required)
• Temperature Coefficient: ±100ppm/°C (exact match required)
• Operating Temperature: -55°C ~ 155°C (exact match required)
• MSL: 1 (Unlimited) (exact match required)

Parameter Comparison

Engineering Selection Recommendations

For General-Purpose Applications (Non-Automotive):

The CR0603-FX-1742ELF (Bourns Inc.) and RC0603FR-0717K4L (YAGEO) are direct functional equivalents to the RC1608F1742CS. Both parts maintain identical electrical specifications, operating temperature range, and ROHS3 compliance. The CR0603-FX-1742ELF offers 13,523 units in stock inventory, while the RC0603FR-0717K4L provides significantly higher availability at 115,214 units. Both are supplied in Tape & Reel packaging suitable for automated assembly processes.

For Automotive and High-Reliability Applications (AEC-Q200 Required):

Four substitute parts carry AEC-Q200 automotive qualification: AC0603FR-0717K4L (YAGEO), CRCW060317K4FKEA (Vishay Dale), ERJ-3EKF1742V (Panasonic Electronic Components), and RMCF0603FT17K4 (Stackpole Electronics Inc). All four maintain ROHS3 compliance and identical electrical specifications. The ERJ-3EKF1742V provides the highest inventory availability at 103,972 units, followed by RMCF0603FT17K4 at 113,670 units and CRCW060317K4FKEA at 37,369 units. The AC0603FR-0717K4L offers 5,376 units in stock.

Compliance Consideration:

The CRCW060317K4FKTA (Vishay Dale) carries AEC-Q200 qualification but is RoHS non-compliant and REACH Affected. This part is not recommended for applications requiring ROHS3 compliance or REACH compliance.

Packaging Consideration:

The main part RC1608F1742CS is supplied in Cut Tape (CT) packaging. All substitute parts listed are supplied in Tape & Reel (TR) packaging, which is standard for high-volume automated assembly. Tape & Reel packaging is compatible with pick-and-place equipment and offers improved handling efficiency compared to cut tape.

Frequently Asked Questions (FAQ)

Q1: Can I substitute the RC1608F1742CS with any of the listed parts in my circuit design?

A: Yes, all listed substitute parts match the critical electrical and mechanical parameters of the RC1608F1742CS: 17.4 kOhms resistance, ±1% tolerance, 0.1W power rating, 0603 package, ±100ppm/°C temperature coefficient, and -55°C ~ 155°C operating temperature range. Direct substitution is electrically and mechanically valid. However, if your application requires AEC-Q200 automotive qualification, select only from the automotive-qualified alternatives.

Q2: What is the difference between the main part and the AEC-Q200 qualified alternatives?

A: The RC1608F1742CS is a general-purpose thick film resistor without automotive qualification. The AEC-Q200 qualified alternatives (AC0603FR-0717K4L, CRCW060317K4FKEA, ERJ-3EKF1742V, RMCF0603FT17K4) undergo additional automotive industry qualification testing and quality assurance procedures. These alternatives are suitable for automotive applications, industrial equipment, and high-reliability systems where automotive-grade component traceability is required or preferred.

Q3: Why is the packaging different between the main part and substitutes?

A: The RC1608F1742CS is supplied in Cut Tape (CT) packaging, while all substitute parts are supplied in Tape & Reel (TR) packaging. Both packaging formats contain identical components. Tape & Reel is the industry standard for automated surface mount assembly and offers superior handling efficiency. If your assembly process requires Cut Tape format, contact the supplier regarding format availability.

Q4: Are all substitute parts ROHS3 compliant?

A: Seven of the eight substitute parts are ROHS3 compliant. The CRCW060317K4FKTA is RoHS non-compliant and REACH Affected. For applications requiring ROHS3 compliance, exclude the CRCW060317K4FKTA from your selection.

Q5: Which substitute part offers the best inventory availability?

A: The RC0603FR-0717K4L (YAGEO) provides the highest inventory availability at 115,214 units in stock. For AEC-Q200 qualified alternatives, the RMCF0603FT17K4 (Stackpole Electronics Inc) offers 113,670 units, followed by ERJ-3EKF1742V (Panasonic Electronic Components) at 103,972 units.

Q6: Can I use these substitute parts interchangeably in production?

A: Yes, all substitute parts are electrically and mechanically interchangeable with the RC1608F1742CS. However, if your design documentation or procurement specifications reference the RC1608F1742CS specifically, engineering change order (ECO) procedures may be required before implementing substitution in production. Verify with your quality assurance and design engineering teams regarding substitution approval requirements.

Q7: What is MSL 1 (Unlimited) and why is it important?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life and requires no special moisture control during storage or handling. All listed parts carry MSL 1 rating, meaning they can be stored under standard warehouse conditions without desiccant packaging or humidity control requirements.

Q8: Are there dimensional differences between the main part and substitutes?

A: All parts conform to the 0603 (1608 Metric) package standard. Minor dimensional variations exist within tolerance: the main part and most substitutes measure 0.063" L x 0.031" W (1.60mm x 0.80mm), while CRCW060317K4FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) and RMCF0603FT17K4 measures 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within 0603 package specifications and do not affect PCB footprint compatibility or assembly processes.