BD139 is Obsolete and no longer manufactured.
Available Substitutes:

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onsemi
In Stock: 4,417
Unit Price: $11.43000
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onsemi
In Stock: 20
Unit Price: $9.29000
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onsemi
In Stock: 4,001
Unit Price: $8.80000
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STMicroelectronics
In Stock: 11,953
Unit Price: $14.06000
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STMicroelectronics
In Stock: 2,992
Unit Price: $11.26000
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STMicroelectronics
In Stock: 8,288
Unit Price: $11.84000
Datasheet
Bipolar (BJT) Transistor NPN 80 V 1.5 A 1.25 W Through Hole TO-126
Image shown is a representation only. Exact specifications should be obtained from the product data sheet.

BD139

DigiKey Part Number
BD139OS-ND
Manufacturer
Manufacturer Product Number
BD139
Description
TRANS NPN 80V 1.5A TO-126
Customer Reference
Detailed Description
Bipolar (BJT) Transistor NPN 80 V 1.5 A 1.25 W Through Hole TO-126
Datasheet
 Datasheet
EDA/CAD Models
BD139 Models
Product Attributes
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Category
Current - Collector Cutoff (Max)
100nA (ICBO)
Mfr
DC Current Gain (hFE) (Min) @ Ic, Vce
40 @ 150mA, 2V
Packaging
Bulk
Power - Max
1.25 W
Part Status
Obsolete
Operating Temperature
-55°C ~ 150°C (TJ)
Transistor Type
Mounting Type
Through Hole
Current - Collector (Ic) (Max)
1.5 A
Package / Case
TO-225AA, TO-126-3
Voltage - Collector Emitter Breakdown (Max)
80 V
Supplier Device Package
TO-126
Vce Saturation (Max) @ Ib, Ic
500mV @ 50mA, 500mA
Base Product Number
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
Substitutes (6)
Part NumberManufacturerQuantity AvailableDigiKey Part NumberUnit PriceSubstitute Type
BD139Gonsemi4,417BD139GOS-ND$11.43000Direct
BD13910STUonsemi20BD13910STUOS-ND$9.29000Similar
BD13916STUonsemi4,001BD13916STU-ND$8.80000Similar
BD139STMicroelectronics11,953497-6656-5-ND$14.06000Upgrade
BD139-10STMicroelectronics2,992497-12137-ND$11.26000Similar
Obsolete
This product is no longer manufactured. View Substitutes
Non-Cancelable/Non-Returnable