KUSBX-SMTTH-CS1-BTR USB-C Connector Equivalent & Substitute Parts

Part Overview

The KUSBX-SMTTH-CS1-BTR is an active USB-C (USB TYPE-C) receptacle connector manufactured by Kycon, Inc., supporting USB 3.2 Gen 2 (Superspeed +) specifications. This 24-position through-hole, right-angle connector is designed for applications requiring shielded USB-C connectivity with horizontal mounting orientation. The part is RoHS compliant, MSL 1 rated, and currently in active production status with 1986 units in stock.

Substitute parts become necessary when addressing supply chain constraints, lead time requirements, design revisions, or when alternative manufacturers' components meet the same electrical and mechanical specifications. The substitute parts listed maintain functional equivalence based on connector type, contact count, mounting configuration, and USB protocol support.

Substiute Parts

KUSBX-SMTTH-CS1-BTR

Kycon, Inc.In Stock: 2034KUSBX-SMTTH-CS1-BTR Datasheet

Current PartRFQ

USB4056-03-A

GCTIn Stock: 5907USB4056-03-A Datasheet

SimilarRFQ

10159872-00011LF

Amphenol ICC (FCI)In Stock: 494110159872-00011LF Datasheet

Parametric EquivalentRFQ

RAHPCUC31AU1TR

Switchcraft Inc.In Stock: 2560RAHPCUC31AU1TR Datasheet

Parametric EquivalentRFQ

RAHPCUC31AUTR

Switchcraft Inc.In Stock: 2743RAHPCUC31AUTR Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the KUSBX-SMTTH-CS1-BTR is determined by the following critical parameters:

Primary Equivalence Criteria:

• Connector Type: USB-C (USB TYPE-C)
• USB Specification: USB 3.2 Gen 2 support
• Number of Contacts: 24 Position
• Gender: Receptacle
• Mounting Type: Through Hole, Right Angle
• Mounting Feature: Horizontal
• Termination: Solder
• Shielding: Shielded
• Contact Finish: Gold
• Material Flammability Rating: UL94 V-0
• RoHS Compliance Status: Active compliance (RoHS3 or RoHS Compliant)
• MSL Rating: 1 (Unlimited)

Secondary Compatibility Parameters:

• Operating Temperature Range: Minimum -25°C to -30°C; Maximum 85°C
• Current Rating: 0.25A minimum to 6.25A maximum
• Mating Cycles: 10000 cycles minimum
• Shell/Shielding Material: Steel or Stainless Steel variants

All substitute parts listed maintain these core parameters, ensuring direct functional and mechanical compatibility within the specified design envelope.

Parameter Comparison

Engineering Selection Recommendations

All substitute parts maintain active product status and current RoHS3 or RoHS compliance certification, ensuring regulatory alignment with modern manufacturing standards. The following considerations apply to component selection:

USB4056-03-A (GCT): This part offers hybrid mounting capability (Surface Mount and Through Hole) with board guide and solder retention stake features. Operating temperature range is -25°C to 85°C, which is 5°C narrower at the lower bound compared to the primary part. Current rating is fixed at 5A. Packaging is Tape & Reel format with highest inventory availability (5867 units). Suitable for applications where the narrower temperature range is acceptable and hybrid mounting flexibility is beneficial.

10159872-00011LF (Amphenol ICC): This part provides through-hole, right-angle mounting identical to the primary part with 5A current rating and 5V rated voltage specification. Operating temperature range is -25°C to 85°C. ROHS3 compliance and REACH Unaffected status are confirmed. Inventory availability is 4877 units in Cut Tape packaging. Suitable for direct substitution in applications with -25°C minimum temperature requirement.

RAHPCUC31AU1TR (Switchcraft Inc.): This part maintains -30°C to 85°C operating temperature range matching the primary part. Current rating is 0.5A, which is lower than the primary part's multi-level ratings. Mating cycle specification is not provided. Inventory availability is 2508 units. Suitable for low-current applications where the reduced current rating is acceptable.

RAHPCUC31AUTR (Switchcraft Inc.): This part maintains -30°C to 85°C operating temperature range matching the primary part. Current rating is 3A, which falls within the primary part's rated range. Mating cycle specification is not provided. Inventory availability is 2712 units. Suitable for applications requiring 3A or lower current levels with full temperature range coverage.

Frequently Asked Questions (FAQ)

Q: Can USB4056-03-A (GCT) be used as a direct replacement for KUSBX-SMTTH-CS1-BTR?

A: USB4056-03-A maintains all critical electrical and mechanical parameters including USB 3.2 Gen 2 support, 24-position receptacle configuration, shielded design, and gold contact finish. The primary difference is packaging format (Tape & Reel versus Cut Tape) and hybrid mounting capability. Operating temperature range is -25°C to 85°C versus -30°C to 85°C. Selection depends on whether the narrower lower temperature bound and hybrid mounting features align with application requirements.

Q: What is the significance of current rating differences among substitute parts?

A: Current rating indicates the maximum continuous current the connector contacts can safely carry. The primary part supports multiple current ratings (0.25A, 1.25A, 5A, 6.25A), while substitutes offer fixed ratings: USB4056-03-A and 10159872-00011LF at 5A, RAHPCUC31AU1TR at 0.5A, and RAHPCUC31AUTR at 3A. Selection must ensure the substitute part's current rating meets or exceeds the application's maximum current requirement.

Q: Are all substitute parts RoHS compliant?

A: Yes. All substitute parts carry ROHS3 compliance certification, meeting current regulatory requirements for hazardous substance restrictions. The primary part is RoHS Compliant. Both compliance statuses are acceptable for modern manufacturing environments.

Q: What does MSL 1 (Unlimited) rating mean for these connectors?

A: MSL (Moisture Sensitivity Level) 1 indicates the component has unlimited shelf life without special moisture control measures. All listed parts, including the primary and substitute components, carry MSL 1 rating, eliminating moisture-related handling constraints during storage and assembly.

Q: How do packaging formats (Cut Tape versus Tape & Reel) affect component selection?

A: Cut Tape (CT) packaging is suitable for lower-volume applications and manual assembly processes. Tape & Reel (TR) packaging is optimized for high-volume automated assembly lines. USB4056-03-A is supplied in Tape & Reel format, while other substitutes use Cut Tape. Selection depends on production volume and assembly automation requirements.

Q: Can RAHPCUC31AU1TR or RAHPCUC31AUTR be used in high-current applications?

A: RAHPCUC31AU1TR is rated for 0.5A maximum continuous current and is suitable only for low-current signaling applications. RAHPCUC31AUTR is rated for 3A and can support moderate-current applications. Neither part is suitable for applications requiring the full 5A or 6.25A current capacity of the primary part or USB4056-03-A and 10159872-00011LF alternatives.

Q: What is the difference between the two Switchcraft parts (RAHPCUC31AU1TR and RAHPCUC31AUTR)?

A: Both Switchcraft parts maintain identical mechanical configuration (through-hole, right-angle, horizontal mounting) and operating temperature range (-30°C to 85°C). The primary difference is current rating: RAHPCUC31AU1TR supports 0.5A, while RAHPCUC31AUTR supports 3A. Selection depends on application current requirements.

Q: Are mating cycle specifications critical for connector selection?

A: Mating cycles indicate the number of connect/disconnect operations a connector can withstand before performance degradation. The primary part and USB4056-03-A specify 10000 mating cycles. Switchcraft parts do not provide mating cycle specifications. For applications with frequent connection cycling, parts with specified mating cycle ratings are preferred.