The GT309D is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the GT309D transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.
The GT309D transistor symbol shows an arrow from the emitter into the base. This means that the current flows from emitter to collector terminal.
Circuit diagram symbol of the GT309D transistor as follows.
| Transistor Code | GT309D | |
|---|---|---|
| Transistor Type | BJT | |
| Transistor Polarity | PNP | |
| Transistor Material | Germanium(GE) | |
| Collector Power Dissipation (Maximum) | PC | 0.075W |
| Collector-Emitter Voltage (Maximum) | VCE | 10V |
| Collector Current (Maximum) | IC | 0.01A |
| Operating Junction Temperature (Maximum) | TJ | 70°C |
| Forward Current Transfer Ratio (hFE Value) | 20 | |
| Transition Frequency | FT | 80MHz |
| Collector Capacitance | CC | 7.5pF |
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