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40221 NPN Transistor

The 40221 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 40221 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The 40221 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 40221 transistor as follows.

Circuit diagram symbol of the 40221 transistor

40221 Transistor Specification

Transistor Code 40221
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO5
Collector Power Dissipation (Maximum) PC 0.36W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 15V
Operating Junction Temperature (Maximum) TJ 200°C
Emitter-Base Voltage (Maximum) VEB 5V
Forward Current Transfer Ratio (hFE Value) 30
Transition Frequency FT 250MHz
Collector Capacitance CC 5pF

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