The KT3191A-91 is a bipolar junction transistor (BJT) with an PNP-type configuration. That means the KT3191A-91 transistor has a negatively charged layer between two positively charged layers. This transistor has three terminals Base, Collector, and Emitter.
The KT3191A-91 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 KT3191A-91 transistor as follows.
| Transistor Code | KT3191A-91 | |
|---|---|---|
| Transistor Type | BJT | |
| Transistor Polarity | PNP | |
| Transistor Material | Silicon(SI) | |
| Collector Power Dissipation (Maximum) | PC | 0.2W |
| Collector-Base Voltage (Maximum) | VCB | 15V |
| Collector Current (Maximum) | IC | 0.025A |
| Operating Junction Temperature (Maximum) | TJ | 125°C |
| Emitter-Base Voltage (Maximum) | VEB | 2V |
| Forward Current Transfer Ratio (hFE Value) | 20 | |
| Transition Frequency | FT | 4500MHz |
| Collector Capacitance | CC | 0.9pF |
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