BUL128-K is Obsolete and no longer manufactured.
Available Substitutes:

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onsemi
In Stock: 785
Unit Price: 1,40000 €
Datasheet
Bipolar (BJT) Transistor NPN 400 V 4 A 70 W Through Hole TO-220
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BUL128-K

DigiKey Part Number
BUL128-K-ND
Manufacturer
Manufacturer Product Number
BUL128-K
Description
TRANS NPN 400V 4A TO-220
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 400 V 4 A 70 W Through Hole TO-220
Datasheet
 Datasheet
Product Attributes
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Category
Current - Collector Cutoff (Max)
200µA
Mfr
DC Current Gain (hFE) (Min) @ Ic, Vce
14 @ 2A, 5V
Packaging
Tube
Power - Max
70 W
Part Status
Obsolete
Operating Temperature
150°C (TJ)
Transistor Type
Mounting Type
Through Hole
Current - Collector (Ic) (Max)
4 A
Package / Case
TO-220-3
Voltage - Collector Emitter Breakdown (Max)
400 V
Supplier Device Package
TO-220
Vce Saturation (Max) @ Ib, Ic
500mV @ 1A, 4A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (1)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
FJP5555TUonsemi785FJP5555TU-ND1,40000 €Similar
Obsolete
This product is no longer manufactured. View Substitutes