RC1608F3741CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F3741CS is a 3.74 kOhms ±1% 0.1W thick film chip resistor manufactured by Samsung Electro-Mechanics in 0603 (1608 Metric) package format. This component is classified as Active product status with full RoHS3 compliance and REACH unaffected designation. The part is supplied in Cut Tape (CT) packaging with 2004 pieces currently in stock inventory.

Substitute parts are identified when equivalent electrical specifications, mechanical dimensions, and compliance certifications align with the original component, enabling direct replacement in circuit applications without design modification.

Substiute Parts

RC1608F3741CS

Samsung Electro-MechanicsIn Stock: 2086RC1608F3741CS Datasheet

Current PartRFQ

CR0603-FX-3741ELF

Bourns Inc.In Stock: 28885CR0603-FX-3741ELF Datasheet

DirectRFQ

RC0603FR-073K74L

YAGEOIn Stock: 52073RC0603FR-073K74L Datasheet

DirectRFQ

CRCW06033K74FKEA

Vishay DaleIn Stock: 17979CRCW06033K74FKEA Datasheet

SimilarRFQ

ERJ-3EKF3741V

Panasonic Electronic ComponentsIn Stock: 65948ERJ-3EKF3741V Datasheet

SimilarRFQ

RMCF0603FT3K74

Stackpole Electronics IncIn Stock: 87417RMCF0603FT3K74 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment of electrical and mechanical parameters. All identified substitute parts match the RC1608F3741CS across the following critical criteria:

Electrical Parameters (Mandatory Match):

• Resistance value: 3.74 kOhms
• Tolerance: ±1%
• Power rating: 0.1W (1/10W)
• Temperature coefficient: ±100ppm/°C
• Operating temperature range: -55°C to 155°C

Mechanical Parameters (Mandatory Match):

• Package designation: 0603 (1608 Metric)
• Composition: Thick Film
• Number of terminations: 2
• Physical dimensions within tolerance

Compliance Parameters (Mandatory Match):

• RoHS3 Compliant
• REACH Unaffected
• Moisture Sensitivity Level: 1 (Unlimited)

Substitute parts are classified into two categories based on feature alignment:

Direct Substitutes (Identical feature set):

• CR0603-FX-3741ELF (Bourns Inc.)
• RC0603FR-073K74L (YAGEO)

Similar Substitutes (Additional automotive qualification):

• CRCW06033K74FKEA (Vishay Dale) - AEC-Q200 rated
• ERJ-3EKF3741V (Panasonic Electronic Components) - AEC-Q200 rated
• RMCF0603FT3K74 (Stackpole Electronics Inc) - AEC-Q200 rated

Parameter Comparison

Engineering Selection Recommendations

All identified substitute parts maintain full electrical and mechanical equivalence to the RC1608F3741CS. Selection criteria are based on product status, compliance certifications, and application requirements:

For Standard Industrial Applications: CR0603-FX-3741ELF (Bourns Inc.) and RC0603FR-073K74L (YAGEO) are direct functional equivalents with identical feature sets. Both maintain Active product status, ROHS3 compliance, and REACH unaffected designation. These parts are suitable for general-purpose circuit applications where automotive qualification is not required.

For Automotive and High-Reliability Applications: CRCW06033K74FKEA (Vishay Dale), ERJ-3EKF3741V (Panasonic Electronic Components), and RMCF0603FT3K74 (Stackpole Electronics Inc) carry AEC-Q200 automotive qualification in addition to standard compliance certifications. These parts are appropriate for automotive-grade circuit designs and applications requiring enhanced reliability documentation.

Packaging Considerations: The original RC1608F3741CS is supplied in Cut Tape (CT) format. Direct substitutes CR0603-FX-3741ELF and RC0603FR-073K74L are available in Tape & Reel (TR) format, which may require process adaptation for high-volume assembly operations. CRCW06033K74FKEA offers both Cut Tape and Digi-Reel® packaging options.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-3741ELF replace RC1608F3741CS in production?

A: Yes. CR0603-FX-3741ELF matches all electrical parameters (3.74 kOhms ±1%, 0.1W), mechanical specifications (0603 package, thick film composition), and compliance requirements (ROHS3, REACH unaffected, MSL 1). The primary difference is packaging format (Tape & Reel vs. Cut Tape), which does not affect electrical performance.

Q: What is the difference between direct substitutes and similar substitutes?

A: Direct substitutes (CR0603-FX-3741ELF, RC0603FR-073K74L) have identical feature sets to the original part. Similar substitutes (CRCW06033K74FKEA, ERJ-3EKF3741V, RMCF0603FT3K74) include additional AEC-Q200 automotive qualification, making them suitable for automotive applications while maintaining full compatibility with standard industrial designs.

Q: Are dimensional variations between substitute parts significant?

A: All substitute parts conform to 0603 (1608 Metric) package specifications. Minor dimensional variations exist within tolerance (for example, CRCW06033K74FKEA measures 0.061" L x 0.033" W versus standard 0.063" L x 0.031" W). These variations remain within PCB footprint tolerances and do not affect assembly or electrical performance.

Q: Which substitute part has the highest inventory availability?

A: RMCF0603FT3K74 (Stackpole Electronics Inc) has the highest inventory level at 87,342 pieces. ERJ-3EKF3741V (Panasonic) follows with 65,923 pieces, and RC0603FR-073K74L (YAGEO) with 52,048 pieces.

Q: Can automotive-rated parts be used in non-automotive applications?

A: Yes. AEC-Q200 rated parts (CRCW06033K74FKEA, ERJ-3EKF3741V, RMCF0603FT3K74) meet or exceed standard industrial specifications and are fully compatible with non-automotive circuit designs. Automotive qualification represents additional testing and documentation, not a limitation.

Q: What compliance certifications apply to all substitute parts?

A: All substitute parts maintain ROHS3 compliance, REACH unaffected status, and Moisture Sensitivity Level 1 (Unlimited). These certifications ensure environmental compliance and handling compatibility across all identified alternatives.