BUL742C is out of stock and can be placed on backorder.
Available Substitutes:

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onsemi
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Unit Price: $1.75000
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Bipolar (BJT) Transistor NPN 400 V 4 A 70 W Through Hole TO-220
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BUL742C

DigiKey Part Number
497-7208-5-ND
Manufacturer
Manufacturer Product Number
BUL742C
Description
TRANS NPN 400V 4A TO-220
Manufacturer Standard Lead Time
20 Weeks
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 400 V 4 A 70 W Through Hole TO-220
Datasheet
 Datasheet
EDA/CAD Models
BUL742C Models
Product Attributes
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Category
Current - Collector Cutoff (Max)
250µA
Mfr
DC Current Gain (hFE) (Min) @ Ic, Vce
25 @ 800mA, 3V
Packaging
Tube
Power - Max
70 W
Part Status
Active
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
1.5V @ 1A, 3.5A
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (4)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
FJP5555TUonsemi298FJP5555TU-ND$1.75000Similar
BUJ103A,127WeEn Semiconductors0BUJ103A,127-ND$0.37822Similar
BUJ302A,127WeEn Semiconductors01740-1274-ND$0.37268Similar
BUJ303B,127WeEn Semiconductors01740-1413-ND$0.40995Similar
In-Stock: 0
50 expected in stock on 11-Nov-2026
Request Stock Notification
All prices are in USD
Tube
QuantityUnit PriceExt Price
1$1.84000$1.84
50$0.87780$43.89
100$0.78380$78.38
500$0.61854$309.27
1,000$0.56539$565.39
2,000$0.52069$1,041.38
5,000$0.47231$2,361.55
10,000$0.44244$4,424.40
Note: Due to DigiKey value-add services the packaging type may change when product is purchased at quantities beneath the standard package.
Tariff Status: Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.