STMicroelectronics BD140

The ST BD140 is a PNP bipolar transistor primarily used in audio amplifiers, motor control circuits, and power supply systems. It has a maximum collector-emitter voltage of -80V, a maximum collector current of -1.5A, and a maximum power dissipation of 12.5W. The transistor provides a DC current gain ranging from 40 to 250, which makes it suitable for a wide range of applications.

The BD140 transistor is a reliable device with a high breakdown voltage, low saturation voltage, and fast switching speeds. It features a low base resistance that allows for easy biasing and high base current capability for excellent linearity. The device also possesses a wide operating temperature range of -65 degrees Celsius to 150 degrees Celsius, making it suitable for harsh environments. The ST BD140 comes in a TO-126 package, which makes it easy to install and replace. Overall, the BD140 is an excellent choice for amplifiers, power supply circuits, and motor control systems, providing high performance and reliability

Current - Collector (Ic) (Max)	1.5 A
Current - Collector Cutoff (Max)	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce	40 @ 150mA, 2V
Mounting Type	Through Hole
Operating Temperature	-55°C ~ 150°C (TJ)
Package / Case	TO-225AA, TO-126-3
Packaging	Bulk
Part Status	Obsolete
Power - Max	1.25 W
Supplier Device Package	TO-126
Transistor Type	PNP
Vce Saturation (Max) @ Ib, Ic	500mV @ 50mA, 500mA
Voltage - Collector Emitter Breakdown (Max)	80 V