557BCYA NPN Transistor

The 557BCYA is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 557BCYA transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 557BCYA transistor symbol shows an arrow from the base into the emitter. This means that the current flows from collector terminal to emitter terminal.

Circuit diagram symbol of the 557BCYA transistor as follows.

557BCYA Transistor Specification

Transistor Code		557BCYA
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		SOT23
Collector Power Dissipation (Maximum)	PC	0.31W
Collector-Base Voltage (Maximum)	VCB	50V
Collector-Emitter Voltage (Maximum)	VCE	45V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	5V
Forward Current Transfer Ratio (hFE Value)		100
Transition Frequency	FT	100MHz
Collector Capacitance	CC	8pF

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