RC1608F183CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F183CS is an 18 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 based on matching electrical specifications, mechanical dimensions, and environmental ratings to ensure direct functional interchangeability in circuit applications.

Substiute Parts

RC1608F183CS

Samsung Electro-MechanicsIn Stock: 1118RC1608F183CS Datasheet

Current PartRFQ

CR0603-FX-1802ELF

Bourns Inc.In Stock: 107379CR0603-FX-1802ELF Datasheet

DirectRFQ

CRG0603F18K

TE Connectivity Passive ProductIn Stock: 20399CRG0603F18K Datasheet

DirectRFQ

RC0603FR-0718KL

YAGEOIn Stock: 257960RC0603FR-0718KL Datasheet

DirectRFQ

KTR03EZPF1802

Rohm SemiconductorIn Stock: 816KTR03EZPF1802 Datasheet

UpgradeRFQ

AC0603FR-0718KL

YAGEOIn Stock: 281707AC0603FR-0718KL Datasheet

SimilarRFQ

AF0603FR-0718KL

YAGEOIn Stock: 9879AF0603FR-0718KL Datasheet

SimilarRFQ

CRCW060318K0FKEA

Vishay DaleIn Stock: 5000269CRCW060318K0FKEA Datasheet

SimilarRFQ

CRCW060318K0FKEB

Vishay DaleIn Stock: 20025CRCW060318K0FKEB Datasheet

SimilarRFQ

ERJ-3EKF1802V

Panasonic Electronic ComponentsIn Stock: 261558ERJ-3EKF1802V Datasheet

SimilarRFQ

RMCF0603FT18K0

Stackpole Electronics IncIn Stock: 40643RMCF0603FT18K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the RC1608F183CS are classified into three categories based on functional equivalence and application suitability:

Direct Substitutes (Functionally Equivalent): Parts meeting all core electrical parameters (18 kOhms ±1%, 0.1W, 0603 package, ±100ppm/°C, -55°C ~ 155°C operating range) with identical or compatible physical dimensions and MSL ratings. These parts are interchangeable without circuit redesign.

Upgrade Substitutes (Enhanced Specifications): Parts exceeding base specifications with additional certifications such as Automotive AEC-Q200 qualification or high-voltage capability. These provide enhanced reliability for demanding applications while maintaining backward compatibility.

Similar Substitutes (Application-Specific Variants): Parts with specialized features including anti-sulfur construction or automotive-grade qualification. These are suitable for specific environmental or regulatory requirements while maintaining core electrical compatibility.

Substitution eligibility is determined by:

• Resistance value: 18 kOhms
• Tolerance: ±1%
• Power rating: 0.1W minimum
• Package: 0603 (1608 Metric)
• Temperature coefficient: ±100ppm/°C
• Operating temperature: -55°C ~ 155°C minimum
• MSL rating: 1 (Unlimited)
• RoHS3 compliance

Parameter Comparison

Engineering Selection Recommendations

For Standard Industrial Applications: CR0603-FX-1802ELF (Bourns Inc.), CRG0603F18K (TE Connectivity), or RC0603FR-0718KL (YAGEO) provide direct functional equivalence with active product status and moisture-resistant construction matching the RC1608F183CS baseline specifications.

For Automotive Applications: KTR03EZPF1802 (Rohm Semiconductor), AC0603FR-0718KL (YAGEO), AF0603FR-0718KL (YAGEO), CRCW060318K0FKEA (Vishay Dale), ERJ-3EKF1802V (Panasonic), or RMCF0603FT18K0 (Stackpole Electronics) are qualified to Automotive AEC-Q200 standard, providing enhanced reliability for automotive circuit designs.

For High-Reliability Environments: KTR03EZPF1802 includes high-voltage capability in addition to AEC-Q200 qualification. AF0603FR-0718KL provides anti-sulfur construction for corrosive environments.

Avoid: CRCW060318K0FKEB is discontinued at DiGi Electronics and should not be selected for new designs requiring long-term supply continuity.

All listed substitutes maintain RoHS3 compliance, MSL 1 (Unlimited) rating, and identical operating temperature range (-55°C ~ 155°C), ensuring regulatory and environmental compatibility with the original RC1608F183CS specification.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-1802ELF replace RC1608F183CS in any circuit application?

A: Yes. CR0603-FX-1802ELF matches all core electrical parameters (18 kOhms ±1%, 0.1W, ±100ppm/°C, -55°C ~ 155°C) and physical package (0603), with identical MSL 1 rating and RoHS3 compliance. Direct substitution is functionally equivalent.

Q: What is the difference between standard and automotive-qualified substitutes?

A: Automotive-qualified parts (KTR03EZPF1802, AC0603FR-0718KL, AF0603FR-0718KL, CRCW060318K0FKEA, ERJ-3EKF1802V, RMCF0603FT18K0) carry AEC-Q200 certification, indicating qualification for automotive temperature cycling, vibration, and reliability testing. Standard parts (CR0603-FX-1802ELF, CRG0603F18K, RC0603FR-0718KL) do not carry this certification but meet identical electrical specifications.

Q: Are physical dimensions identical across all substitute parts?

A: Core dimensions are equivalent (0603 package = 1.60mm x 0.80mm nominal). Minor variations exist: CRCW060318K0FKEA measures 1.55mm x 0.85mm, CRCW060318K0FKEB measures 1.60mm x 0.85mm, and RMCF0603FT18K0 measures 1.55mm x 0.80mm. These variations remain within 0603 package tolerance and do not affect PCB footprint compatibility.

Q: Why is CRCW060318K0FKEB marked as discontinued?

A: CRCW060318K0FKEB is discontinued at DiGi Electronics. For new designs requiring long-term supply assurance, select CRCW060318K0FKEA (active status) or alternative active-status parts from the substitute list.

Q: Which substitute offers the highest inventory availability?

A: CRCW060318K0FKEA (Vishay Dale) has the highest inventory at 5,000,200 pieces. RC0603FR-0718KL (YAGEO) has 257,891 pieces. Both provide immediate availability for high-volume production.

Q: Can I use KTR03EZPF1802 in non-automotive applications?

A: Yes. KTR03EZPF1802 exceeds RC1608F183CS specifications with AEC-Q200 qualification and high-voltage capability. It is fully backward compatible and suitable for any application accepting the base RC1608F183CS, with enhanced reliability margins.

Q: What does MSL 1 (Unlimited) mean for storage and handling?

A: MSL 1 indicates unlimited shelf life without moisture baking requirements. These components do not require special moisture-controlled storage or pre-reflow baking procedures, simplifying supply chain and assembly logistics.