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MMBT3905 NPN Transistor

The MMBT3905 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the MMBT3905 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.

The MMBT3905 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 MMBT3905 transistor as follows.

Circuit diagram symbol of the MMBT3905 transistor

MMBT3905 Transistor Specification

Transistor Code MMBT3905
Transistor Type BJT
Transistor Polarity NPN
Transistor Material Silicon(SI)
Package TO236
Collector Power Dissipation (Maximum) PC 0.31W
Collector-Base Voltage (Maximum) VCB 40V
Collector-Emitter Voltage (Maximum) VCE 40V
Collector Current (Maximum) IC 0.2A
Operating Junction Temperature (Maximum) TJ 135°C
Emitter-Base Voltage (Maximum) VEB 6V
Forward Current Transfer Ratio (hFE Value) 50
Transition Frequency FT 250MHz
Collector Capacitance CC 4pF

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