Welcome to netCOMPONENTS! netCOMPONENTS is a market leader in sourcing services for the worldwide electronic components industry. netCOMPONENTS is the world's premier destination for the sourcing and procurement of electronic components, connecting members (buyers) and suppliers (sellers) in a direct and vendor-neutral environment!

Stock/Availability for: UC3903J

Find stocking distributors and other suppliers of UC3903J using netCOMPONENTS. If you are not already a netCOMPONENTS member, request a free trial membership today to search the netCOMPONENTS database of 50 million+ electronic component line items and contact UC3903J suppliers.

Register Today

  • Search 900 Billion+ Electronic Components
  • 3,000+ Suppliers
  • Launched in 1997
Request a Free Trial Membership

Statistics

Total Quantity
17,642
Line Items
20
Suppliers listing this part
16
Countries/regions where listing suppliers exist
8
Most Recent Upload
3/30/2026

Sponsored Live Part Search

Part Number: UC3903J

Part Number Country/Region Suppliers Line Items Total Qty
UC3903J CN 6 6 14,257
UC3903J US 3 5 812
UC3903J JP 2 2 1,936
UC3903J FR 1 2 252
UC3903J ES 1 2 184
UC3903J DE 1 1 191
UC3903J IL 1 1 9
UC3903J GB 1 1 1

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
UC3903N 15 62 83 75,453
UC3903DW 12 39 42 69,597
UC3903Q 9 30 43 74,747
UC3903DWTR 5 11 11 1,594,637
UC3903QG3 2 7 7 8,554
UC3903NG4 3 5 5 11,434
UC3903DWG4 2 3 4 1,623
UC3903DWTRG4 2 2 2 30,912
UC3903 1 1 1 124
UC39030W 1 1 1 4

Possible Component Manufacturers*

Benchmarq Microelectronics (Unitrode) (TI - Power)
Unitrode Power (TI - Power)
Texas Instruments Power Management (TI - Power) (Unitrode)
Unitrode Semiconductor (Microsemi Watertown)
Unity Opto
AeroFlex (Cobham - Semiconductor)

* This symbol ( ) will appear next to the manufacturer if a datasheet is available for the part. Registered members can click on the datasheet icon to locate the datasheet for the part.


Page Created: 3/30/2026