RC1608F433CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F433CS is a 43 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 and is RoHS3 compliant with Moisture Sensitivity Level 1 (unlimited shelf life). Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, and compliance certifications to ensure direct interchangeability in circuit applications.

Substiute Parts

RC1608F433CS

Samsung Electro-MechanicsIn Stock: 978RC1608F433CS Datasheet

Current PartRFQ

CR0603-FX-4302ELF

Bourns Inc.In Stock: 19043CR0603-FX-4302ELF Datasheet

DirectRFQ

RC0603FR-0743KL

YAGEOIn Stock: 12475RC0603FR-0743KL Datasheet

DirectRFQ

AC0603FR-0743KL

YAGEOIn Stock: 29209AC0603FR-0743KL Datasheet

SimilarRFQ

CRCW060343K0FKEA

Vishay DaleIn Stock: 31540CRCW060343K0FKEA Datasheet

SimilarRFQ

ERJ-3EKF4302V

Panasonic Electronic ComponentsIn Stock: 79396ERJ-3EKF4302V Datasheet

SimilarRFQ

ERJ-S03F4302V

Panasonic Electronic ComponentsIn Stock: 10942ERJ-S03F4302V Datasheet

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RMCF0603FT43K0

Stackpole Electronics IncIn Stock: 144734RMCF0603FT43K0 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F433CS is determined by strict equivalence across the following critical parameters:

Electrical Parameters (Must Match Exactly):

• Resistance Value: 43 kOhms
• Tolerance: ±1%
• Power Rating: 0.1W (1/10W)
• Temperature Coefficient: ±100ppm/°C
• Operating Temperature Range: -55°C ~ 155°C

Mechanical Parameters (Must Match Exactly):

• Package / Case: 0603 (1608 Metric)
• Number of Terminations: 2
• Composition: Thick Film

Compliance Parameters (Must Match or Exceed):

• RoHS Status: ROHS3 Compliant
• Moisture Sensitivity Level: 1 (Unlimited)

All substitute parts listed meet these criteria. Additional features such as Automotive AEC-Q200 certification or Anti-Sulfur treatment represent enhanced specifications that do not prevent substitution but indicate suitability for specialized applications.

Parameter Comparison

Engineering Selection Recommendations

All listed substitute parts are functionally equivalent to the RC1608F433CS based on matching electrical and mechanical specifications. Selection among these alternatives should be based on the following criteria:

Standard Industrial Applications: CR0603-FX-4302ELF (Bourns) and RC0603FR-0743KL (YAGEO) are direct equivalents with identical feature sets to the primary part.

Automotive Applications (AEC-Q200 Required): AC0603FR-0743KL (YAGEO), CRCW060343K0FKEA (Vishay Dale), ERJ-3EKF4302V (Panasonic), ERJ-S03F4302V (Panasonic), and RMCF0603FT43K0 (Stackpole) all carry AEC-Q200 automotive qualification. ERJ-S03F4302V includes additional Anti-Sulfur treatment for enhanced environmental resistance.

Supply Chain Considerations: RMCF0603FT43K0 (Stackpole) offers the highest inventory availability at 144,640 pieces. ERJ-3EKF4302V (Panasonic) provides 79,366 pieces. CRCW060343K0FKEA (Vishay Dale) maintains 31,515 pieces in stock.

Packaging Format: Tape & Reel packaging is available from Samsung, Bourns, YAGEO (AC series), Panasonic, and Stackpole. Cut Tape & Digi-Reel format is available from YAGEO (RC series) and Vishay Dale.

All substitute parts maintain RoHS3 compliance and Moisture Sensitivity Level 1 classification, ensuring compatibility with standard PCB assembly processes and storage conditions.

Frequently Asked Questions (FAQ)

Q: Can I substitute RC1608F433CS with any of the listed parts without circuit redesign?

A: Yes. All listed substitute parts match the critical electrical parameters (43 kΩ ±1%, 0.1W, ±100ppm/°C, -55°C to 155°C) and mechanical specifications (0603 package, 2 terminations, thick film composition). Direct substitution is permissible at the component level.

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

A: AEC-Q200 qualification indicates the component meets automotive industry reliability and quality standards. Parts with this certification (AC0603FR-0743KL, CRCW060343K0FKEA, ERJ-3EKF4302V, ERJ-S03F4302V, RMCF0603FT43K0) are suitable for automotive applications. Standard parts (RC1608F433CS, CR0603-FX-4302ELF, RC0603FR-0743KL) are suitable for general industrial and consumer applications.

Q: Does Anti-Sulfur treatment affect electrical performance?

A: Anti-Sulfur treatment (ERJ-S03F4302V) is an environmental enhancement that does not alter the electrical specifications. It provides additional protection in corrosive environments. Electrical parameters remain identical to non-treated equivalents.

Q: Are there dimensional differences between substitute parts?

A: All parts conform to 0603 (1608 Metric) package specifications. Minor variations exist within tolerance: most parts measure 0.063" L x 0.031" W (1.60mm x 0.80mm), while CRCW060343K0FKEA measures 0.061" L x 0.033" W (1.55mm x 0.85mm) and RMCF0603FT43K0 measures 0.061" L x 0.031" W (1.55mm x 0.80mm). These variations remain within standard 0603 package envelope and do not affect PCB layout compatibility.

Q: What packaging options are available?

A: Tape & Reel (TR) packaging is standard for most manufacturers. Cut Tape (CT) & Digi-Reel format is available from YAGEO (RC0603FR-0743KL) and Vishay Dale (CRCW060343K0FKEA). Selection depends on assembly equipment compatibility and order quantity requirements.

Q: Are all substitute parts RoHS3 compliant?

A: Yes. All listed substitute parts carry RoHS3 compliance certification, meeting current environmental and hazardous substance restrictions for electronic components.

Q: What is Moisture Sensitivity Level 1?

A: MSL 1 indicates unlimited shelf life with no moisture sensitivity restrictions. Components do not require special dry-pack storage or baking procedures prior to assembly, simplifying inventory management and logistics.