STMicroelectronics BD139 NPN Transistor, 3 A, 80 V, 3-Pin SOT-32

View all Bipolar Transistors
Bulk discount available

Subtotal (1 tube of 50 units)*

£11.95

(exc. VAT)

£14.35

(inc. VAT)

Add to Basket
Select or type quantity
In Stock
  • 1,150 unit(s) ready to ship
  • Plus 550 unit(s) ready to ship from another location
  • Plus 4,050 unit(s) shipping from 20 November 2025
Need more? Click ‘Check delivery dates’ to find extra stock and lead times.
Units
Per unit
Per Tube*
50 - 50£0.239£11.95
100 - 450£0.169£8.45
500 - 950£0.139£6.95
1000 - 1950£0.113£5.65
2000 +£0.095£4.75

*price indicative

RS Stock No.:
168-6075
Mfr. Part No.:
BD139
Brand:
STMicroelectronics
Find similar products by selecting one or more attributes.
Select all

Brand

STMicroelectronics

Transistor Type

NPN

Maximum DC Collector Current

3 A

Maximum Collector Emitter Voltage

80 V

Package Type

SOT-32

Mounting Type

Through Hole

Maximum Power Dissipation

1.25 W

Minimum DC Current Gain

100, 40, 63

Transistor Configuration

Single

Maximum Collector Base Voltage

80 V

Maximum Emitter Base Voltage

5 V

Pin Count

3

Number of Elements per Chip

1

Maximum Operating Temperature

+150 °C

Dimensions

10.8 x 7.8 x 2.7mm

General Purpose NPN Transistors, STMicroelectronics



Bipolar Transistors, STMicroelectronics


A broad range of NPN and PNP Bipolar Transistors from STMicroelectronics including General Purpose, Darlington, Power and High-Voltage devices in both SMT and Through-hole packages.

Related links