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: OPA643NB

Find stocking distributors and other suppliers of OPA643NB 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 OPA643NB suppliers.

Register Today

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

Statistics

Total Quantity
21,354
Line Items
6
Suppliers listing this part
6
Countries/regions where listing suppliers exist
4
Most Recent Upload
12/23/2025

Sponsored Live Part Search

Part Number: OPA643NB

Part Number Country/Region Suppliers Line Items Total Qty
OPA643NB TW 3 3 5,074
OPA643NB CA 1 1 8,771
OPA643NB DE 1 1 5,309
OPA643NB CN 1 1 2,200

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
OPA643U 10 36 40 104,971
OPA643NB250 6 20 23 132,358
OPA643UB 8 18 22 58,152
OPA643P 8 17 18 59,613
OPA643N250 6 11 13 65,018
OPA643N 5 10 11 37,556
OPA643N3K 3 7 8 54,934
OPA643NA43 2 2 2 379
OPA643N/250-BB 1 1 1 8,588
OPA643N-SMD 1 1 1 250

Possible Component Manufacturers*

Texas Instruments Power Management (TI - Power) (Unitrode)
Harris Semi (RCA Electronics Pte) (TI) (Texas Instruments)
Micron
TI (Texas Instruments)
Unitrode Power (TI - Power)
Chipcon (TI - Low-Power RF)

* 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: 12/23/2025