MM1549 NPN Transistor

The MM1549 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MM1549 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MM1549 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 MM1549 transistor as follows.

MM1549 Transistor Specification

Transistor Code		MM1549
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO128
Collector Power Dissipation (Maximum)	PC	3.2W
Collector-Base Voltage (Maximum)	VCB	60V
Collector-Emitter Voltage (Maximum)	VCE	35V
Collector Current (Maximum)	IC	1A
Operating Junction Temperature (Maximum)	TJ	200°C
Emitter-Base Voltage (Maximum)	VEB	4V
Forward Current Transfer Ratio (hFE Value)		5
Transition Frequency	FT	400MHz
Collector Capacitance	CC	10pF

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