The BFS540 is a bipolar junction transistor (BJT) with an NPN-type configuration. That means the BFS540 transistor has a positively charged layer between two negatively charged layers. This transistor has three terminals Base, Collector, and Emitter.
The BFS540 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 BFS540 transistor as follows.
| Transistor Code | BFS540 | |
|---|---|---|
| Transistor Type | BJT | |
| Transistor Polarity | NPN | |
| Transistor Material | Silicon(SI) | |
| Package | SOT323 SC70 | |
| Collector Power Dissipation (Maximum) | PC | 0.5W |
| Collector-Base Voltage (Maximum) | VCB | 20V |
| Collector-Emitter Voltage (Maximum) | VCE | 15V |
| Collector Current (Maximum) | IC | 0.12A |
| Operating Junction Temperature (Maximum) | TJ | 175°C |
| Emitter-Base Voltage (Maximum) | VEB | 2.5V |
| Forward Current Transfer Ratio (hFE Value) | 100 | |
| Transition Frequency | FT | 9000MHz |
| Collector Capacitance | CC | 0.9pF |
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