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ONSEMI FSUSB74UMX USB Multiplexer

The FSUSB74 is a low-power, high-speed 4:1 USB multiplexer designed for switching multiple USB 2.0 high-speed (480 Mbps) and full/low-speed sources to a single USB port. It features bidirectional operation, low ON resistance, and supports high-speed data transfer applications including MP3 portable media players, smartphones, and netbooks. Its small footprint and low power consumption make it ideal for compact mobile devices and reliable USB connection switching in various electronic products.

Authorized Distributors
Source:Newark
Part No:FSUSB74UMX
Stock:6520
Inv Date:06-10-2026
Price: Unit price: $1.15
Buy/RFQ:
Source:DigiKey
Part No:FSUSB74UMX
Stock:48415
Inv Date:06-10-2026
Price: Unit price: $1.12
Buy/RFQ:
Part No:FSUSB74UMX
Stock:52715
Inv Date:06-11-2026
Price: Unit price: $1.12
Buy/RFQ:
Part No:FSUSB74UMX
Stock:0
Inv Date:06-10-2026
Price: Unit price: $0.159
Buy/RFQ:
Source:Arrow EU
Part No:FSUSB74UMX
Stock:1575
Inv Date:06-11-2026
Price: N/A
Buy/RFQ:

ONSEMI FSUSB74UMX USB Multiplexer Specifications:

  • Switch Type: 44 USB
  • USB Compliance: USB 2.0 High-Speed and Full-Speed
  • Ron: 6.5Ω
  • Con: 7.5pF
  • Vee: 2.7V to 4.4V
  • Iccsup: <1pA
  • Iccact: pA
  • Package: 16-Lead UMLP, 3x 3 x 0.7mm, 0.5mm Pitch
  • Operating Temperature Range: -40°C to +85°C
  • Storage Temperature: -65°C to +150°C
  • ESD ( IEC61000-4-2): 8kV contact
  • Absolute Max Supply Voltage Vee: 5.25V
  • Input Voltage Range: -0.50V to VeoV
  • Switch Off Resistance: 65Ω at Vew=0.4V, 8mA
  • Switch On Resistance: 3.3Ω at Vew=0.4V, 8mA
  • Propagation Delay: 0.25ns typical at 3.3V
  • Break-Before-Make: 126ps at 3.3V
  • Off Isolation: -40dB at 240MHz
  • Crosstalk: -40dB at 240MHz

Buy the Fairchild FSUSB74 – Reliable USB Multiplexer for Industrial Applications

Order the FSUSB74 USB multiplexer now for seamless switching between multiple high-speed and full-speed USB sources. Its robust design ensures reliable data transfer in portable media players, smartphones, and mobile internet devices. Compact, energy-efficient, and easy to integrate, this USB switch is ideal for manufacturing, repair, or upgrading electronic products with high-speed USB connectivity. Purchase online today to benefit from fast delivery and full technical support for your industrial or consumer electronics projects.

Get Fairchild FSUSB74 today—built for precision and long-lasting durability in high-speed USB switching.

Frequently Asked Questions

Where can I buy ONSEMI FSUSB74UMX?

You can click on the BUY or RFQ button to purchase FSUSB74UMX from an authorized ONSEMI distributor.

How do I troubleshoot issues or seek technical support for part FSUSB74UMX?

You can download the FSUSB74UMX datasheet or visit the ONSEMI website for support.

Who is the manufacturer of FSUSB74UMX?

ONSEMI

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