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: OPA643UB

Find stocking distributors and other suppliers of OPA643UB 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 OPA643UB suppliers.

Register Today

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

Statistics

Total Quantity
42,788
Line Items
17
Suppliers listing this part
14
Countries/regions where listing suppliers exist
8
Most Recent Upload
2/17/2026

Sponsored Live Part Search

Part Number: OPA643UB

Part Number Country/Region Suppliers Line Items Total Qty
OPA643UB US 3 5 10,113
OPA643UB CN 3 3 25,540
OPA643UB TW 2 2 5,896
OPA643UB JP 2 2 42
OPA643UB CA 1 2 14
OPA643UB HK 1 1 1,000
OPA643UB DE 1 1 180
OPA643UB IL 1 1 3

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
OPA643U 10 28 32 66,210
OPA643NB250 5 18 20 93,704
OPA643P 8 16 16 46,575
OPA643N250 5 10 11 55,268
OPA643N 6 10 11 34,760
OPA643NB 4 7 7 24,464
OPA643N3K 2 6 6 30,934
OPA643UA 1 1 1 1,000
OPA643UB/2K5 1 1 1 2,000
OPA643UB-OPA643U 1 1 1 913

Possible Component Manufacturers*

TI (Texas Instruments)
Burr-Brown (BB) (TI)
Texas Instruments Analog & Mixed-Signal (TI)
Texas Instruments Power Management (TI - Power) (Unitrode)
Unitrode Power (TI - Power)
GrayChip (Texas Instruments)

* 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: 2/17/2026