BC557BTA

Series:	--
Packaging:	Tape & Box (TB)
Part Status:	Active
Transistor Type:	PNP
Current - Collector (Ic) (Max):	100mA
Voltage - Collector Emitter Breakdown (Max):	45V
Vce Saturation (Max) @ Ib, Ic:	650mV @ 5mA, 100mA
Current - Collector Cutoff (Max):	15nA (ICBO)
DC Current Gain (hFE) (Min) @ Ic, Vce:	200 @ 2mA, 5V
Power - Max:	500mW
Frequency - Transition:	150MHz
Operating Temperature:	150°C (TJ)
Mounting Type:	Through Hole
Package / Case:	TO-226-3, TO-92-3 (TO-226AA) (Formed Leads)
Supplier Device Package:	TO-92-3
Base Part Number:	BC557

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BC557BTA Application Field and Working Principle

BC557BTA is a high-gain general-purpose NPN bipolar junction transistor. It is classified as Transistors - Bipolar (BJT) - Single due to its highly sensitive gate, low leakage current and ability to withstand high currents. As a result, this component can be used in a variety of applications like signal amplification, signal switching and signal generation. The BC557BTA has a maximum DC current gain of 500. Its collector-emitter breakdown voltage can reach up to 45V. This component can handle up to 300mA collector current while its maximum power dissipation is 625mW. BC557BTA can be used in various electronic circuits or systems. It is designed for general-purpose use in any electronic circuit where a gain of short-term voltage is needed. It is also suitable for use in power amplifiers, high frequency amplifiers and signal generators. It is important to remember that the voltage on the collector of the transistor should never exceed the utmost breakdown voltage (BVceo) to avoid destruction.

How Does BC557BTA Work?

To understand the working principle of a BC557BTA, it is important to understand the different parts of this component. BC557BTA consists of three parts, the collector (C), the base (B), and the emitter (E). Each of these parts has its own characteristics. 1. Collector: The collector is connected to the power supply. The current flowing through it is dependent on the base current. 2. Base: The base is connected to the control source such as a switch or a logic signal. When the base is provided with a current or a voltage, the collector current increases or decreases depending on the applied voltage or current. 3. Emitter: The emitter is connected to the ground. It is responsible for conducting the current that flows out of the component. When the base terminal receives a signal, current is generated and small changes to the base voltage result in a large changes to the collector voltage. The transistor\'s amplifying power is proportional to its current gain. In summary, BC557BTA is a versatile component that can be used for a variety of purposes such as signal amplification, signal switching and signal generation. Its three main parts, the collector, base and emitter, work together and allow the component to work as an amplifier.

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