BD138G

Series:	--
Packaging:	Bulk
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	1.5A
Voltage - Collector Emitter Breakdown (Max):	60V
Vce Saturation (Max) @ Ib, Ic:	500mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	100nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	40 @ 150mA, 2V
Power - Max:	1.25W
Frequency - Transition:	--
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-225AA, TO-126-3
Supplier Device Package:	TO-225AA
Base Part Number:	BD138

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BD138G - Application field and Working Principle

The BD138G is a single-transistor device designed for use in amateur and professional electrical and electronics applications. Manufactured by the Intersil Corporation, this transistor is a NPN or "negative-positive-negative" type transistor that has a wide range of applications in many different electronic products.The BD138G features a maximum DC gain of 150 and a maximum collector current of 500mA. It has a wide voltage range of between 8V and 30V and a POUT power rating of between 13W and 40W. The device is designed with a 3.2mm pitch, making it easy to mount on a variety of circuit boards. The BD138G is also designed to be compatible with surface mount technology, making it ideal for use in high-density applications.The BD138G has a variety of different applications in different products. It can be used to control voltage outputs in consumer electronics and home appliances, providing precise voltage control to ensure safe operation of the appliance. It can also be used in motor control systems, where it can be used to regulate the speed and torque of drive systems. It is also used in audio amplifier circuits, allowing for precise and adjustable sound levels.In addition to providing precise control of voltage and power, the BD138G is also designed for use in linear applications that require reliable and consistent performance. This includes switch mode power supplies, pulse width modulators, and power factor correction systems. The device is also used in DC-DC converters, allowing for efficient power conversion from a higher voltage to a lower voltage.The BD138G is a NPN transistor and is based on a silicon substrate. It consists of three layers – the emitter, collector and base – which operate in accordance with the same theory of operation as other types of transistors. A small current is applied to the base, which opens the circuit between the emitter and the collector and allows current to flow between them. The current flowing between the emitter and collector is controlled by the base current, and this allows various voltage levels and current levels to be accurately controlled.The BD138G also features a wide operating temperature range, making it suitable for use in harsh environments. It can be used in temperatures ranging from -55°C to +125°C, making it suitable for industrial and automotive applications.Overall, the BD138G is a versatile single-transistor device that is suitable for use in a wide range of applications. It features a wide voltage and current range, allowing for precise control of voltage outputs and linear applications. It is also designed for use in challenging environments, with its wide operating temperature range making it suitable for a variety of applications.

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