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: NE521D

Find stocking distributors and other suppliers of NE521D 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 NE521D suppliers.

Register Today

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

Statistics

Total Quantity
1,709,547
Line Items
108
Suppliers listing this part
81
Countries/regions where listing suppliers exist
17
Most Recent Upload
11/9/2025

Sponsored Live Part Search

Part Number: NE521D

Part Number Country/Region Suppliers Line Items Total Qty
NE521D US 29 39 36,714
NE521D CN 14 14 1,619,024
NE521D DE 8 11 19,857
NE521D GB 6 9 7,950
NE521D ES 4 7 1,467
NE521D SE 3 7 6,192
NE521D JP 3 4 7,063
NE521D IL 3 3 484
NE521D FR 2 3 595
NE521D IT 2 2 2,607
NE521D CA 1 3 81
NE521D TW 1 1 6,383
NE521D TR 1 1 450
NE521D PL 1 1 332
NE521D AT 1 1 300
NE521D NL 1 1 38
NE521D IN 1 1 10

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
NE521N 21 141 287 205,437
NE521NG 9 45 49 364,344
NE521DR2G 9 35 35 409,577
NE521DG 8 34 34 369,691
NE521DR2 5 8 8 16,565
NE521D-T 2 2 2 731
NE521D-SMD 2 2 2 175
NE521D-J60924C 1 1 1 16
NE521DG-SMD-R 1 1 1 18
NE521DFVT3945 1 1 1 62

Possible Component Manufacturers*

Signetics Korea (YP)
NXP Semiconductors (Philips)
Philips Semiconductors (NXP) (Next eXPerience)
Amperex Electronics Corp (Philips)
Philips Lumileds Lighting Company (Lumileds)
Mepco-Electra (Mepco-Centralab) (Philips) (PENAC)

* 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: 11/9/2025