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: 4521

Find stocking distributors and other suppliers of 4521 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 4521 suppliers.

Register Today

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

Statistics

Total Quantity
2,934
Line Items
51
Suppliers listing this part
18
Countries/regions where listing suppliers exist
6
Most Recent Upload
4/5/2026

Sponsored Live Part Search

Part Number: 4521

Part Number Country/Region Suppliers Line Items Total Qty
4521 US 11 44 1,645
4521 GB 2 2 70
4521 DE 2 2 12
4521 HK 1 1 1,148
4521 FR 1 1 56
4-521 PL 1 1 3

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
4-521097-2 12 66 79 1,703,577
4-521098-2 11 56 71 668,802
45-21SKK2C-H6565L9N3B2Z62T 9 25 25 4,173,852
4521-0 2 17 17 103,928
45-21UNC/3335475/TR8 5 14 15 493,510
45215 4 14 14 314
4521-2 2 12 12 183
45216 4 10 11 54,928
45-21LK2CB50634C6CB22T 5 10 10 195,561
45-21/RSC-AU1V1B/2T 1 10 10 173,821

Possible Component Manufacturers*

Westcode Semiconductors (IXYS UK Westcode) (Littelfuse)
WDC (Western Design Center)
Powerex (Mitsubishi)
Western Digital (WD) (HGST)
Arizona Capacitors (West-Cap) (Goguen) (SFE)
IXYS (Littelfuse)

* 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: 4/5/2026