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FILTERED PRODUCT SELECTION

I/O Expanders

Use the filters and product table below to compare I/O Expanders components by manufacturer, availability, pricing reference and technical specifications. Review datasheets and key parameters to narrow the selection for your application.

If you already have a target part number, package, rating or quantity, send the requirement to Winsun (HK) Electronics for availability checks, BOM sourcing, shortage support and quotation assistance.

Parametric Selection Filter options by technical parameters
Stock & Datasheets Review availability and technical references
RFQ & BOM Support Send your target MPN, quantity or BOM
Photo Mfr. Part # Availability Price Quantity Datasheet Series Package/Case Packaging Product Status Programmable Number of I/O Interface Interrupt Output Features Output Type Current - Output Source/Sink Clock Frequency Voltage - Supply Operating Temperature Grade Qualification Mounting Type Supplier Device Package
W83L604G Nuvoton Technology Corporation

W83L604G

IC XPNDR SMBUS 20SSOP

Nuvoton Technology Corporation

4,114 -
Datasheet - 20-SSOP (0.209", 5.30mm Width) Tube Not For New Designs Not Verified 14 SMBus Yes Buzzer Outputs, LED Outputs, POR Open Drain, Push-Pull 16mA - 3.3V 0°C ~ 70°C - - Surface Mount 20-SSOP
W83L603G Nuvoton Technology Corporation

W83L603G

IC XPNDR SMBUS 14SOP

Nuvoton Technology Corporation

2,193 -
Datasheet - 14-SOIC (0.154", 3.90mm Width) Tube Active Not Verified 8 SMBus Yes Buzzer Outputs, LED Outputs, POR Open Drain, Push-Pull 16mA - 3.3V 0°C ~ 70°C - - Surface Mount 14-SOP
NCT5655Y Nuvoton Technology Corporation

NCT5655Y

IC XPNDR 400KHZ I2C SMBUS 24QFN

Nuvoton Technology Corporation

3,283 -
Datasheet - 24-WFQFN Exposed Pad Tray Active Not Verified 16 I2C, SMBus Yes POR Open Drain - 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-QFN (4x4)
NCT5635Y Nuvoton Technology Corporation

NCT5635Y

SMBUS-GPIO EXPANDER; 16 GPIO PIN

Nuvoton Technology Corporation

2,722 -
Datasheet - - Tray Active - - - - - - - - - - - - - -
NCT5655W Nuvoton Technology Corporation

NCT5655W

IC XPND 400KHZ I2C SMBUS 24TSSOP

Nuvoton Technology Corporation

3,095 -
Datasheet - 24-TSSOP (0.173", 4.40mm Width) Tube Active Not Verified 16 I2C, SMBus Yes LED Output(s), POR Open Drain - 400 kHz 2.3V ~ 5.5V -40°C ~ 85°C - - Surface Mount 24-TSSOP
WINSUN SOURCING SUPPORT

Need Help Sourcing I/O Expanders?

Send the target part number, manufacturer, specifications and quantity. Winsun (HK) Electronics can assist with availability checks, quotation support, shortage sourcing and alternative-part options when appropriate.

Availability and lead-time support BOM, shortage and alternative sourcing
FREQUENTLY ASKED QUESTIONS

I/O Expanders FAQ

Common questions about filtering, comparing and sourcing I/O Expanders components.

How can I narrow the I/O Expanders selection?

Use the available manufacturer and technical parameter filters to reduce the product list. Compare the remaining part numbers against your electrical, package and application requirements.

Should I confirm the datasheet before selecting a part?

Yes. Always review the manufacturer datasheet to confirm ratings, package, operating conditions and other technical details before finalizing a component for your design.

Can Winsun (HK) Electronics help source a specific I/O Expanders part number?

Yes. Send the exact manufacturer part number and required quantity for availability, lead-time and quotation support.

Do you support BOM, shortage or alternative-part requirements?

Yes. You can submit a BOM or shortage list for sourcing assistance. Where appropriate, our team can also help review possible alternative-part options.