3/10/2024 0 Comments Download transistor pinoutThe Current flows in through the collector terminal BC557 Transistor Pin Diagram/Pinout/Pin Configuration Pin No The pin configuration/ Pin diagram and functionality is discussed below. The BC557 transistor has three terminals/Pins called collector, base, and emitter, these are commonly used for external connection with the electronic circuit. BC557 Transistor Pin Diagram/Pin Configuration/Pinout we can drive loads of a maximum of 100mA through the transistor. The maximum collector current of this transistor is 100mA i.e. Another good feature of this transistor is the maximum collector dissipation is 500 milliwatts. The HFE ratings are determined by the last letter after the transistor number, for example, for the BC557A transistor hFE ratings are 110-220, for the BC557B transistor it is 200-450 hFE and for the BC557C transistor it is 420-800 hFE. The BC557 has an hFE rating range from 125 to 800 which makes it an ideal transistor to use as a small signal amplifier in electronic circuits. This is a general-purpose transistor available in a tiny package like TO-92. one N-doped layer stands between the two P-doped layers. It is a bipolar junction transistor (BJT) that falls under the family of PNP transistors i.e. The BC557 is a famous three-terminal semiconductor device used to switch or amplify electrical power & electronic signals in electronic circuits.
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