ST BD139-10

NPN1.5 A80 V

Overview

These epitaxial planar transistors are mounted in the SOT-32 plastic package. They are designed for audio amplifiers and drivers utilizing complementary or quasi-complementary circuits.

The NPN types are the BD135 and BD139, and the complementary PNP types are the BD136 and BD140.

Features

Tube Package
the DC current gain for this device is 40 @ 150mA 2V
a collector emitter saturation voltage of 500mV
the vce saturation(Max) is 500mV @ 50mA, 500mA
the emitter base voltage is kept at 5V
a transition frequency of 250MHz

Through Hole Mounting Type

Applications

There are a lot of STMicroelectronics
BD139-10 applications of single BJT transistors.

• Inverter
• Interface
• Driver
• Muting