RC1608F4642CS Equivalent & Substitute Parts Reference

Part Overview

The RC1608F4642CS is a 46.4 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 moisture resistant construction and unlimited moisture sensitivity level (MSL 1). The part is ROHS3 compliant and REACH unaffected, suitable for general industrial and consumer electronics applications. Equivalent and substitute parts are identified based on matching electrical specifications, mechanical dimensions, package type, and compliance certifications to ensure direct interchangeability in circuit designs.

Substiute Parts

RC1608F4642CS

Samsung Electro-MechanicsIn Stock: 1028RC1608F4642CS Datasheet

Current PartRFQ

CR0603-FX-4642ELF

Bourns Inc.In Stock: 289079CR0603-FX-4642ELF Datasheet

DirectRFQ

RC0603FR-0746K4L

YAGEOIn Stock: 1041161RC0603FR-0746K4L Datasheet

DirectRFQ

CRCW060346K4FKEA

Vishay DaleIn Stock: 59149CRCW060346K4FKEA Datasheet

SimilarRFQ

ERJ-3EKF4642V

Panasonic Electronic ComponentsIn Stock: 78078ERJ-3EKF4642V Datasheet

SimilarRFQ

RMCF0603FT46K4

Stackpole Electronics IncIn Stock: 324623RMCF0603FT46K4 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the RC1608F4642CS is determined by strict equivalence across the following critical parameters:

Electrical Equivalence Requirements:

• Resistance value: 46.4 kOhms (exact match)
• Tolerance: ±1% (exact match)
• Power rating: 0.1W / 1/10W (exact match)
• Temperature coefficient: ±100ppm/°C (exact match)
• Operating temperature range: -55°C to +155°C (exact match)

Mechanical & Package Equivalence Requirements:

• Package designation: 0603 (1608 Metric)
• Number of terminations: 2
• Composition: Thick Film
• Packaging format: Tape & Reel (TR)

Compliance & Certification Equivalence:

• RoHS3 compliance (mandatory)
• Moisture Sensitivity Level 1 (unlimited)
• REACH unaffected status

Substitute parts are categorized as Direct Equivalents (identical specifications across all parameters) or Similar Equivalents (matching all electrical and mechanical parameters with additional automotive-grade certifications). All identified substitutes meet or exceed the baseline specifications of the RC1608F4642CS.

Parameter Comparison

Engineering Selection Recommendations

Direct Equivalent Selection (General Applications):

The CR0603-FX-4642ELF (Bourns Inc.) and RC0603FR-0746K4L (YAGEO) are direct functional equivalents to the RC1608F4642CS. Both parts match all electrical parameters, mechanical dimensions, and compliance certifications. These options are suitable for applications where moisture-resistant thick film construction is the primary requirement and automotive-grade certification is not mandated. Inventory availability is substantial for both alternatives (288,999 pcs and 1,041,117 pcs respectively).

Automotive-Grade Selection (Enhanced Reliability Applications):

The CRCW060346K4FKEA (Vishay Dale), ERJ-3EKF4642V (Panasonic Electronic Components), and RMCF0603FT46K4 (Stackpole Electronics Inc.) are functionally equivalent to the RC1608F4642CS with the addition of AEC-Q200 automotive qualification. These parts maintain identical electrical and mechanical specifications while providing enhanced reliability certification suitable for automotive and mission-critical applications. All three automotive-grade options are Active product status with ROHS3 compliance and MSL 1 rating.

Compliance Verification:

All identified substitute parts maintain ROHS3 compliance, REACH unaffected status, and identical HTSUS classification (8533.21.0030). Product status is Active for all alternatives, ensuring long-term availability and supply chain stability.

Frequently Asked Questions (FAQ)

Q: Can CR0603-FX-4642ELF be used as a direct replacement for RC1608F4642CS?

A: Yes. The CR0603-FX-4642ELF matches all critical electrical parameters (46.4 kOhms ±1%, 0.1W), mechanical dimensions (0603 package), composition (thick film), temperature characteristics (±100ppm/°C, -55°C to +155°C), and compliance certifications (ROHS3, MSL 1). Direct substitution is supported without circuit redesign.

Q: What is the difference between the standard moisture-resistant versions and the automotive AEC-Q200 versions?

A: The CRCW060346K4FKEA, ERJ-3EKF4642V, and RMCF0603FT46K4 include AEC-Q200 automotive qualification in addition to the standard moisture-resistant thick film construction. All other electrical and mechanical specifications remain identical. AEC-Q200 certification indicates enhanced reliability testing and qualification for automotive applications. Selection depends on application requirements; automotive-grade parts are not required for general industrial or consumer applications.

Q: Are there dimensional differences between substitute parts?

A: Minor dimensional variations exist within tolerance. The RC1608F4642CS, CR0603-FX-4642ELF, and ERJ-3EKF4642V specify 0.063" L x 0.031" W (1.60mm x 0.80mm) with 0.022" (0.55mm) maximum seated height. The CRCW060346K4FKEA and RMCF0603FT46K4 specify 0.061" L x 0.033" W (1.55mm x 0.85mm) and 0.061" L x 0.031" W (1.55mm x 0.80mm) respectively, with 0.020" (0.50mm) and 0.022" (0.55mm) maximum seated heights. These variations remain within 0603 package tolerance and do not affect PCB layout compatibility.

Q: Which substitute part offers the best inventory availability?

A: RC0603FR-0746K4L (YAGEO) provides the highest inventory level at 1,041,117 pieces. RMCF0603FT46K4 (Stackpole) offers 324,517 pieces. CR0603-FX-4642ELF (Bourns) provides 288,999 pieces. All alternatives demonstrate substantial stock levels suitable for production requirements.

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

A: Yes. Automotive-grade parts (CRCW060346K4FKEA, ERJ-3EKF4642V, RMCF0603FT46K4) exceed the baseline specifications of the RC1608F4642CS and are fully compatible with general industrial and consumer applications. AEC-Q200 certification represents additional qualification and does not restrict use in non-automotive circuits.

Q: Are all substitute parts packaged in Tape & Reel format?

A: Yes. All identified substitute parts are supplied in Tape & Reel (TR) packaging, matching the RC1608F4642CS packaging format. This ensures compatibility with automated assembly equipment and standard component handling procedures.