1S421

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Stock/Availability for: 1S421

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Statistics

Total Quantity
282
Line Items
5
Suppliers listing this part
4
Countries/regions where listing suppliers exist
2
Most Recent Upload
11/1/2026

Sponsored Live Part Search

Part Number: 1S421

Part Number Country/Region Suppliers Line Items Total Qty
1S421 GB 2 3 166
1S421 US 2 2 116

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
1S420 3 7 8 1,722
1S423R 2 5 7 76
1S420R 3 5 6 1,109
1S421R 1 4 4 204
1S425 1 4 6 318
1S423 2 3 3 168
1S4200A 1 3 4 24
1S4295 1 2 3 73
1S426 2 2 2 102
1S427R 1 1 1 34

Possible Component Manufacturers*

Unitrode Power (TI - Power)
Harris Semi (RCA Electronics Pte) (TI) (Texas Instruments)
Texas Instruments Power Management (TI - Power) (Unitrode)
TI (Texas Instruments)
Benchmarq Microelectronics (Unitrode) (TI - Power)
Texas Instruments Analog & Mixed-Signal (TI)

* 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 1S421

Page Created: 11/1/2026