BD139

10.00৳

Specifications

Transistor Type: NPN BJT
Package: TO-126
Collector-Emitter Voltage (VCEO): 80V
Collector-Base Voltage (VCBO): 80V
Emitter-Base Voltage (VEBO): 5V
Collector Current (IC): 1.5A
Peak Collector Current (ICM): 3A
Power Dissipation (Ptot): 12.5W
DC Current Gain (hFE): 40 – 250
Transition Frequency (fT): 190MHz
Operating Temperature: -65°C to +150°C

Category: Transistor

Description
Reviews (0)

Description

The BD139 is a medium-power NPN bipolar junction transistor (BJT) widely used in audio amplifiers, switching circuits, voltage regulators, motor drivers, and power supply applications. It is known for its high voltage capability, good current handling, and reliable performance, making it a popular choice among electronics hobbyists and engineers. The BD139 is commonly used as a driver transistor in audio amplifier circuits and is often paired with the BD140 PNP transistor in complementary.