IRF644B

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Stock/Availability for: IRF644B

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Statistics

Total Quantity
105,288
Line Items
26
Suppliers listing this part
20
Countries/regions where listing suppliers exist
6
Most Recent Upload
2/17/2026

Sponsored Live Part Search

Part Number: IRF644B

Part Number Country/Region Suppliers Line Items Total Qty
IRF644B DE 5 7 9,293
IRF644B KR 4 8 2,832
IRF644B CN 4 4 23,912
IRF644B TW 3 3 56,259
IRF644B US 3 3 8,048
IRF644B JP 1 1 4,944

Other Parts

Part Number Countries/Regions Suppliers Line Items Total Qty
IRF644 19 97 139 651,020
IRF644PBF 14 92 104 372,563
IRF644S 14 57 85 763,356
IRF644NS 8 32 34 165,527
IRF644STRRPBF 9 30 30 104,628
IRF644SPBF 8 21 24 46,968
IRF644A 8 20 31 61,970
IRF644NSPBF 8 19 19 20,475
IRF644STRLPBF 7 18 18 25,385
IRF644B-FP001 2 5 5 326,539

Possible Component Manufacturers*

System General
Fairchild Semiconductor (FSC)
I-Cube
Fair-Rite Products
Signal Processing Technologies (SPT) (Fairchild)
Fairchild Semiconductor (On Semiconductor)

* 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.

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Page Created: 2/17/2026