BC557BBU

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: BC557BBU

Find stocking distributors and other suppliers of BC557BBU 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 BC557BBU suppliers.

Register Today

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

Statistics

Total Quantity
8,391
Line Items
2
Suppliers listing this part
2
Countries/regions where listing suppliers exist
2
Most Recent Upload
4/3/2026

Sponsored Live Part Search

Part Number: BC557BBU

Part Number Country/Region Suppliers Line Items Total Qty
BC557BBU TW 1 1 8,011
BC557BBU US 1 1 380

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
BC557B 30 199 412 4,220,632
BC557BTA 20 85 107 994,131
BC557BRL1G 13 53 73 1,021,248
BC557BG 14 42 48 222,059
BC557BBK 7 16 19 149,632
BC557B-BP 1 2 2 94,778
BC557B-BP PNP(TO-92) 1 1 1 19
BC557BBC547B 1 1 1 200
BC557B/B 1 1 1 3,025
BC557B/BC550 1 1 1 86,500

Possible Component Manufacturers*

Alcoa Fasteners (AFS) (TransDigm Fastener)
Fairchild Semiconductor (FSC)
Fairchild Semiconductor (On Semiconductor)
Signal Processing Technologies (SPT) (Fairchild)
Fairchild Fasteners (Kaynar) (Alcoa Fasteners) (Arconic)
Fair-Rite Products

* 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.

Request a Free Trial Membership to contact suppliers for part number BC557BBU

Page Created: 4/3/2026