THCX423R10 Equivalent & Substitute Parts

Part Overview

The THCX423R10 is a 10.0 Gbps USB 3.1 Gen1 multiplexer/demultiplexer buffer IC manufactured by THine Solutions, Inc. This component functions as a 2-channel buffer with integrated signal conditioning for high-speed USB Type-C applications. The device features CML input/output signaling, input equalization, and operates across the industrial temperature range of -40°C to 85°C in a 40-pin QFN surface mount package.

The THCX423R10 carries an Obsolete product status. Identifying equivalent substitute parts is necessary to maintain design continuity, ensure supply chain availability, and support ongoing production requirements for systems utilizing this interface component.

Substiute Parts

THCX423R10

THine Solutions, Inc.In Stock: 777THCX423R10 Datasheet

Current PartRFQ

THCX423R10-B

CELIn Stock: 1435THCX423R10-B Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the THCX423R10 is determined by strict equivalence across all critical electrical and mechanical parameters. The substitute part THCX423R10-B maintains identical specifications in the following key areas:

Electrical Equivalence Criteria:

• Data rate capacity: 10 Gbps
• Channel configuration: 2 channels
• Signal interface: CML input and output
• Signal conditioning: Input equalization
• Propagation delay: 150 ps
• Input capacitance: 1.1 pF
• Supply voltage: 3.0 V to 3.6 V
• Supply current: 120 mA
• Operating temperature: -40°C to 85°C

Mechanical Equivalence Criteria:

• Package designation: 40-VFQFN Exposed Pad
• Physical dimensions: 5×5 mm
• Mounting technology: Surface mount
• Moisture sensitivity: MSL 3 (168 Hours)

Compliance Equivalence:

• RoHS3 compliance
• ECCN classification: EAR99
• HTSUS code: 8542.39.0001

The THCX423R10-B is classified as a parametric equivalent. All electrical performance characteristics, mechanical dimensions, and environmental specifications are identical to the original part number.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: THCX423R10-B

The THCX423R10-B manufactured by CEL is a direct parametric equivalent to the obsolete THCX423R10. All electrical specifications, mechanical dimensions, and environmental operating parameters are identical. The substitute part carries Active product status, ensuring ongoing availability and supply chain support.

Compliance and Certification: Both the original and substitute parts maintain ROHS3 compliance and carry identical ECCN (EAR99) and HTSUS (8542.39.0001) classifications. The THCX423R10-B includes REACH Unaffected status, providing additional regulatory clarity for European applications.

Availability Advantage: The THCX423R10-B demonstrates superior inventory availability with 1365 pieces in stock compared to 694 pieces of the original part. This increased availability supports both immediate procurement needs and long-term production planning.

Packaging Consideration: The substitute part is supplied in Tray packaging, whereas the original part packaging specification is not provided. Verify tray packaging compatibility with your assembly and handling processes.

Selection Basis: Component selection should be based on parametric equivalence, regulatory compliance alignment, and supply chain availability. The THCX423R10-B satisfies all technical requirements for direct substitution in USB 3.1 Gen1 multiplexer/demultiplexer applications.

Frequently Asked Questions (FAQ)

Q: Can the THCX423R10-B be used as a direct replacement for the THCX423R10 in existing designs?

A: Yes. The THCX423R10-B is a parametric equivalent with identical electrical specifications, signal characteristics, and mechanical dimensions. No circuit modifications or PCB layout changes are required. The part operates within the same supply voltage range (3.0 V to 3.6 V), maintains identical propagation delay (150 ps), and supports the same 10 Gbps data rate with CML signaling.

Q: Are there any differences in package handling or storage requirements?

A: Both parts share identical moisture sensitivity classification (MSL 3, 168 Hours) and surface mount package specifications (40-VFQFN Exposed Pad, 5×5 mm). Storage and handling procedures remain unchanged. The THCX423R10-B is supplied in Tray packaging; verify compatibility with your assembly equipment and material handling systems.

Q: What is the significance of the different manufacturers (THine Solutions vs. CEL)?

A: The THCX423R10-B is manufactured by CEL under the same part number designation. Both manufacturers produce components meeting identical electrical and mechanical specifications. The substitute maintains all regulatory certifications (ROHS3, EAR99) and compliance requirements.

Q: Does the Active product status of the THCX423R10-B provide any advantages?

A: Active product status indicates ongoing manufacturing and supply chain support. The THCX423R10-B demonstrates higher inventory availability (1365 pieces vs. 694 pieces) and ensures continued component availability for future production runs and design revisions.

Q: Are the signal conditioning and equalization characteristics identical?

A: Yes. Both parts feature identical input equalization signal conditioning, 150 ps delay time, and 1.1 pF input capacitance. CML input and output signaling specifications are identical, ensuring equivalent performance in USB Type-C multiplexing applications.

Q: What compliance certifications apply to the substitute part?

A: The THCX423R10-B maintains ROHS3 compliance, EAR99 export classification, and HTSUS code 8542.39.0001. The substitute additionally carries REACH Unaffected status, providing regulatory clarity for European Union applications.