The 2N28 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the 2N28 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.
The 2N28 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 2N28 transistor as follows.
| Transistor Code | 2N28 | |
|---|---|---|
| Transistor Type | BJT | |
| Transistor Polarity | NPN | |
| Transistor Material | Germanium(GE) | |
| Package | OV17 | |
| Collector Power Dissipation (Maximum) | PC | 0.12W |
| Collector-Base Voltage (Maximum) | VCB | 35V |
| Collector-Emitter Voltage (Maximum) | VCE | 30V |
| Collector Current (Maximum) | IC | 0.1A |
| Operating Junction Temperature (Maximum) | TJ | 85°C |
| Forward Current Transfer Ratio (hFE Value) | 100 | |
| Transition Frequency | FT | 0.5MHz |
| Collector Capacitance | CC | 16pF |
UXPython is not the creator or an official representative of the 2N28 NPN transistor. You can download the official 2N28 NPN transistor datasheet to get more infromation about this transistor.
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