MDS21 NPN Transistor

The MDS21 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MDS21 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MDS21 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 MDS21 transistor as follows.

MDS21 Transistor Specification

Transistor Code		MDS21
Transistor Type		BJT
Transistor Polarity		NPN
Transistor Material		Silicon(SI)
Package		TO126
Collector Power Dissipation (Maximum)	PC	10W
Collector-Base Voltage (Maximum)	VCB	300V
Collector-Emitter Voltage (Maximum)	VCE	300V
Collector Current (Maximum)	IC	0.5A
Operating Junction Temperature (Maximum)	TJ	150°C
Emitter-Base Voltage (Maximum)	VEB	8V
Forward Current Transfer Ratio (hFE Value)		60
Transition Frequency	FT	60MHz

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