RC1608F393CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F393CS is a 39 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 moisture resistant characteristics and ROHS3 compliance. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC1608F393CS

Samsung Electro-MechanicsIn Stock: 1116RC1608F393CS Datasheet

Current PartRFQ

CR0603-FX-3902ELF

Bourns Inc.In Stock: 77791CR0603-FX-3902ELF Datasheet

DirectRFQ

CRG0603F39K

TE Connectivity Passive ProductIn Stock: 19955CRG0603F39K Datasheet

DirectRFQ

RC0603FR-0739KL

YAGEOIn Stock: 2350RC0603FR-0739KL Datasheet

DirectRFQ

AC0603FR-0739KL

YAGEOIn Stock: 73502AC0603FR-0739KL Datasheet

SimilarRFQ

AF0603FR-0739KL

YAGEOIn Stock: 14556AF0603FR-0739KL Datasheet

SimilarRFQ

CRCW060339K0FKEA

Vishay DaleIn Stock: 5403CRCW060339K0FKEA Datasheet

SimilarRFQ

ERJ-3EKF3902V

Panasonic Electronic ComponentsIn Stock: 5307ERJ-3EKF3902V Datasheet

SimilarRFQ

RMCF0603FT39K0

Stackpole Electronics IncIn Stock: 54318RMCF0603FT39K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F393CS is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Resistance value (39 kOhms), tolerance (±1%), power rating (0.1W), and temperature coefficient (±100ppm/°C) must match exactly.

Mechanical Compatibility: Package type (0603 / 1608 Metric), physical dimensions (0.063" L x 0.031" W / 1.60mm x 0.80mm), and seated height (0.022" / 0.55mm maximum) ensure PCB footprint compatibility.

Environmental & Compliance: Operating temperature range (-55°C ~ 155°C), Moisture Sensitivity Level (MSL 1), and RoHS3 compliance are mandatory for direct substitution.

Composition & Construction: Thick film construction is required for functional equivalence.

All identified substitute parts meet these criteria. Substitute parts are further categorized by additional features (Automotive AEC-Q200 certification, Anti-Sulfur treatment, Moisture Resistant designation) which represent enhanced specifications beyond the base requirements and do not prevent substitution.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are classified as Active product status and meet the mandatory electrical, mechanical, and environmental specifications of the RC1608F393CS. Selection among equivalent parts may be based on the following factors:

Standard Industrial Applications: CR0603-FX-3902ELF (Bourns), CRG0603F39K (TE Connectivity), and RC0603FR-0739KL (YAGEO) provide direct equivalence without additional certifications.

Automotive Applications: AC0603FR-0739KL, AF0603FR-0739KL (YAGEO), CRCW060339K0FKEA (Vishay Dale), ERJ-3EKF3902V (Panasonic), and RMCF0603FT39K0 (Stackpole) carry AEC-Q200 automotive qualification, suitable for automotive-grade circuit designs.

Enhanced Environmental Protection: AF0603FR-0739KL includes Anti-Sulfur treatment for corrosive environments. CR0603-FX-3902ELF and RC0603FR-0739KL include Moisture Resistant designation.

Packaging Considerations: Tape & Reel packaging is standard for high-volume production. Cut Tape & Digi-Reel options (RC0603FR-0739KL, CRCW060339K0FKEA) are available for lower-volume or mixed-component orders.

Inventory Availability: RMCF0603FT39K0 (54,293 pcs), AC0603FR-0739KL (73,486 pcs), and CR0603-FX-3902ELF (77,718 pcs) offer highest stock levels for immediate procurement.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F393CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the critical electrical specifications (39 kOhms ±1%, 0.1W), mechanical dimensions (0603 package), and environmental ratings (-55°C ~ 155°C, MSL 1). Direct substitution is electrically and mechanically compatible.

Q: What is the difference between standard and AEC-Q200 qualified resistors?

A: AEC-Q200 qualified parts (AC0603FR-0739KL, AF0603FR-0739KL, CRCW060339K0FKEA, ERJ-3EKF3902V, RMCF0603FT39K0) meet automotive industry reliability and qualification standards. Standard parts (CR0603-FX-3902ELF, CRG0603F39K, RC0603FR-0739KL) are suitable for general industrial applications. AEC-Q200 parts are acceptable substitutes for standard applications but may carry higher cost.

Q: Does packaging type (Tape & Reel vs. Cut Tape) affect electrical performance?

A: No. Packaging type affects only procurement and handling logistics, not electrical or mechanical performance. Both Tape & Reel and Cut Tape & Digi-Reel options are functionally equivalent.

Q: Are Moisture Resistant and Anti-Sulfur features required for my application?

A: These features are optional enhancements. CR0603-FX-3902ELF and RC0603FR-0739KL include Moisture Resistant treatment. AF0603FR-0739KL includes Anti-Sulfur treatment. Standard parts without these designations (CRG0603F39K) are fully compliant with MSL 1 rating and operate identically in standard environments.

Q: What is the significance of Temperature Coefficient ±100ppm/°C?

A: Temperature coefficient defines resistance drift over the operating temperature range. All listed parts share ±100ppm/°C, ensuring identical thermal stability across -55°C to 155°C. This parameter is critical for precision analog circuits and must not vary between main and substitute parts.

Q: Can I mix different manufacturers' parts in the same production batch?

A: Yes. All substitute parts are electrically and mechanically equivalent. Manufacturing source does not affect circuit performance when specifications are identical. Mixing manufacturers is acceptable for procurement flexibility and supply chain continuity.

Q: What does ROHS3 Compliant mean?

A: ROHS3 (Restriction of Hazardous Substances Directive 3) compliance indicates the part contains no lead, cadmium, hexavalent chromium, polybrominated biphenyls, polybrominated diphenyl ethers, or phthalates above specified thresholds. All listed parts meet this environmental regulation requirement.