PXT4401,115 Discrete Semiconductor Products

Series:	Automotive, AEC-Q101
Packaging:	Tape & Reel (TR)
Part Status:	Active
Transistor Type:	NPN
Current - Collector (Ic) (Max):	600mA
Voltage - Collector Emitter Breakdown (Max):	40V
Vce Saturation (Max) @ Ib, Ic:	750mV @ 50mA, 500mA
Current - Collector Cutoff (Max):	50nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	100 @ 150mA, 1V
Power - Max:	1.1W
Frequency - Transition:	250MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	TO-243AA
Supplier Device Package:	SOT-89-3
Base Part Number:	PXT4401

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PXT4401, 115 Application Field and Working Principle

Introduction

The PXT4401, 115 is a bipolar junction transistor (BJT) which belongs to the single-transistor category. It is an NPN type transistor manufactured with low frequency, high power and high voltage. The purpose of PXT4401, 115 is to convert AC signals into DC signals, providing a means of electrical current amplification and a door to higher output currents and voltages. The PXT4401, 115 is also capable of sensor functions, thus playing a role in controlling and regulating voltage.

Application Field

The PXT4401, 115\'s applications mainly include current amplification and switching functions. They are used in power control circuit networks, in which a low power input signal is converted into a higher output current. In addition, the PXT4401, 115 can be used in audio amplifiers, FM radio receivers and oscillators, high frequency switching applications, etc. With its wide range of applications in the fields of both commercial and industrial electronics, the PXT4401, 115 offers excellent value.

Working Principle

The PXT4401, 115 is a BJT type switch composed of three terminals (collector, base and emitter), and each of them has a specific role in controlling the current level of the transistor. In a BJT, the current is determined by the amount of electrons (current carriers) flowing through the base. The emitter supplies more electrons than what the battery can supply, and the collector helps to concentrate the electrons and control the quantity of the current that flows out. The base is the control input for the transistor. When a small bias voltage is applied to the base, it increases the current from the emitter to the collector. Consequently, a large current flows from the collector to the emitter. It is through this mechanism that the PXT4401, 115 can be used as an amplifier. Taken as a whole, the PXT4401, 115 is a highly effective BJT transistor suitable for various commercial and industrial applications. Its ability to convert AC signals into a higher DC current makes it a very valuable device in its own right. With its excellent power handling and multiple uses, the PXT4401, 115 is one of the most widely used transistors in its category.

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