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KUSBEX-ASFS2N-W-1 Equivalent & Substitute Parts
Part Overview
The KUSBEX-ASFS2N-W-1 is a USB-A stacked receptacle connector manufactured by Kycon, Inc., designed for through-hole, right-angle mounting applications. This 8-position connector features dual ports, solder termination, and board lock functionality. The part is currently active in production with 744 units in stock.
Substitute parts are identified when equivalent electrical and mechanical parameters align with the main part specifications, enabling direct replacement in circuit designs without functional degradation.
Substiute Parts
Key Parameters
| Parameter | Value |
|---|---|
| Connector Type | USB-A (USB TYPE-A), Stacked |
| Number of Contacts | 8 |
| Gender | Receptacle |
| Mounting Type | Through Hole, Right Angle |
| Mounting Feature | Horizontal |
| Termination | Solder |
| Number of Ports | 2 |
| Current Rating | 1.5A |
| Voltage - Rated | 30V |
| Shielding | Shielded |
| Contact Finish | Gold |
| Material Flammability Rating | UL94 V-0 |
| Moisture Sensitivity Level | 1 (Unlimited) |
| RoHS Status | RoHS Compliant |
Substitute Part Grouping Explanation
Substitute parts are classified based on alignment with the following critical parameters:
Primary Substitution Criteria:
- Connector Type: USB-A (USB TYPE-A), Stacked
- Number of Contacts: 8
- Gender: Receptacle
- Mounting Type: Through Hole, Right Angle
- Termination: Solder
- Shielding: Shielded
- Contact Finish: Gold
- Material Flammability Rating: UL94 V-0
Secondary Compatibility Factors:
- Current Rating: 1.5A (minimum acceptable)
- Voltage Rating: 30V (minimum acceptable)
- Number of Ports: 2
- Mating Cycles: 1500 (where specified)
Substitute parts from Kycon, Inc. (KUSBX series) maintain identical mechanical and electrical specifications with minor variations in insulation color and operating temperature range. Molex 67298 series parts provide equivalent functionality with extended current ratings. Würth Elektronik WR-COM series and Mill-Max 896 series offer USB 2.0 specification compliance with compatible electrical parameters.
Parameter Comparison
| Manufacturer Part Number | Manufacturer | Connector Type | Contacts | Mounting | Ports | Current (A) | Voltage | Mating Cycles | Insulation Color | Operating Temp (°C) | RoHS Status |
|---|---|---|---|---|---|---|---|---|---|---|---|
| KUSBEX-ASFS2N-W-1 | Kycon, Inc. | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30V | 1500 | White | -55 ~ 85 | RoHS Compliant |
| KUSBX-AS2N-B | Kycon, Inc. | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.0 | 30VAC | 1500 | Black | -40 ~ 85 | ROHS3 Compliant |
| KUSBX-AS2N-B30 | Kycon, Inc. | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.0 | 30VAC | 1500 | Black | -40 ~ 85 | ROHS3 Compliant |
| KUSBX-AS2N-W | Kycon, Inc. | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.0 | 30VAC | 1500 | White | -40 ~ 85 | ROHS3 Compliant |
| 0672983090 | Molex | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30VDC | — | Black | 0 ~ 50 | ROHS3 Compliant |
| 0672983091 | Molex | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30VDC | — | Black | 0 ~ 50 | ROHS3 Compliant |
| 0672984090 | Molex | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30VDC | — | White | 0 ~ 50 | ROHS3 Compliant |
| 0672984091 | Molex | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30VDC | — | White | 0 ~ 50 | ROHS3 Compliant |
| 614008246521 | Würth Elektronik | USB-A Stacked | 8 | Through Hole, R/A | 1 | 1.5 | 30VAC | 1500 | Black | -40 ~ 105 | ROHS3 Compliant |
| 61400826021 | Würth Elektronik | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.5 | 30V | 1500 | White | -40 ~ 105 | ROHS3 Compliant |
| 896-43-008-90-000000 | Mill-Max Manufacturing Corp. | USB-A Stacked | 8 | Through Hole, R/A | 2 | 1.0 | 30VAC | 1500 | — | — | ROHS3 Compliant |
Engineering Selection Recommendations
Direct Equivalents (Kycon KUSBX Series): KUSBX-AS2N-W offers identical mechanical compatibility with the main part. This variant maintains the same connector geometry, solder termination, and board lock features. The reduced current rating (1.0A vs. 1.5A) requires circuit-level evaluation for applications exceeding 1.0A continuous draw. ROHS3 compliance provides updated regulatory alignment compared to the main part's RoHS Compliant status.
High Current Alternatives (Molex 67298 Series): Molex parts 0672983090, 0672983091, 0672984090, and 0672984091 maintain the 1.5A current rating matching the main part. These connectors provide equivalent electrical performance with ROHS3 compliance. Operating temperature range (0°C to 50°C) is narrower than the main part (-55°C to 85°C), requiring thermal environment verification for extended temperature applications.
Extended Temperature Range (Würth Elektronik WR-COM Series): Part 61400826021 provides the widest operating temperature range (-40°C to 105°C) with matching 1.5A current rating and dual-port configuration. This variant supports applications requiring elevated temperature performance. Part 614008246521 operates with single-port configuration, limiting direct substitution to dual-port designs.
Compact Alternative (Mill-Max 896 Series): Part 896-43-008-90-000000 maintains dual-port configuration with ROHS3 compliance and 1500 mating cycle rating. The 1.0A current rating aligns with lower-power USB applications. Stainless steel shielding provides enhanced corrosion resistance in specific environmental conditions.
Frequently Asked Questions (FAQ)
Q: Can KUSBX-AS2N-W replace KUSBEX-ASFS2N-W-1 in all applications?
A: KUSBX-AS2N-W is mechanically and electrically compatible for applications drawing up to 1.0A. Designs requiring the full 1.5A rating must use alternative parts from the Molex or Würth Elektronik series.
Q: What is the primary difference between Kycon and Molex substitute parts?
A: Kycon KUSBX variants maintain identical mechanical form factors with reduced current ratings (1.0A). Molex 67298 series parts preserve the 1.5A current rating but operate within a narrower temperature range (0°C to 50°C versus -55°C to 85°C for the main part).
Q: Are all substitute parts RoHS compliant?
A: Yes. The main part carries RoHS Compliant status. All listed substitutes carry ROHS3 Compliant status, which represents updated regulatory compliance standards.
Q: Can Würth Elektronik 614008246521 be used in designs requiring dual-port connectivity?
A: No. Part 614008246521 features single-port configuration. Use 61400826021 for dual-port applications requiring Würth Elektronik components.
Q: What is the significance of insulation color variations?
A: Insulation color (white or black) is a visual identifier with no electrical impact. Selection depends on PCB assembly documentation and visual identification requirements.
Q: Which substitute part offers the best thermal performance?
A: Würth Elektronik 61400826021 operates across -40°C to 105°C, providing the widest temperature envelope. This variant is suitable for applications requiring extended thermal operating ranges.
Q: Do all substitute parts support 1500 mating cycles?
A: Molex 67298 series parts do not specify mating cycle ratings. Kycon KUSBX series, Würth Elektronik WR-COM series, and Mill-Max 896 series all maintain 1500 mating cycle specifications matching the main part.
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