2N2222A Bipolar Junction NPN Transistor is commonly used in general-purpose low-power amplifying/switching applications. Bipolar Junction NPN Transistor is designed for low to medium current, low power, medium voltage, and can operate at moderately high speeds. It was originally made in the TO-18 metal can as shown in the picture. We have many other NPN transistor like BD139, BC547, BC548, 2SC945 etc. The 2N2222 is consider a very common transistor and is utlize as an exemplar of an NPN transistor. It is frequently used as a small-signal transistor, and it remains a small general-purpose transistor of enduring popularity. Features: Use in a wide variety of electronic projects, the large 600mA collector current makes this transistor ideal to use it in your electronic projects to control relays, high power LEDs, other high power transistors and ICs at the same time. 2N2222A can also be use to amplify audio signals, for example, it can be use in audio preamplifier stages and also in audio amplifier stages. It can also be use as a small audio amplifier or to drive a small speaker in electronic projects. Specifications:  Transistor Polarity: NPN  Collector-Emitter Voltage V(BR)CEO: 30V  Power Dissipation Pd: 500mW  DC Collector Current: 800mA  DC Current Gain hFE: 100  Transistor Case Style: TO-18  No. of Pins: 3  Collector-Emitter Voltage Vces: 400mV  Continuous Collector Current Ic Max: 800mA  Current Ic Continuous a Max: 800mA  Current Ic hFE: 150mA  Full Power Rating Temperature: 25°C  Gain Bandwidth ft Min: 250MHz  Gain Bandwidth ft Typ: 250MHz  Current Ic @ Vce Sat: 150mA  Hfe Min: 100  No. of Transistors: 1  Pin Configuration: a  Power Dissipation Pd: 500mW  Power Dissipation Ptot Max: 500mW  Termination Type: Through Hole  Voltage Vcbo: 60V Applications: Audio Preamplifiers Audio Amplifier Stages Switching many loads at the same time (Thanks to its 600mA output in a small TO-92 package) Darlington Pairs RF Circuits Sensor Circuits Package includes: 1 x 2N2222A Bipolar Junction NPN Transistor  Data Sheet: 2N2222A Bipolar Junction NPN Transistor The focus keyphrase is the phrase that you want your post or page to be found for in search engines. Sometimes, it is a single word, but it usually consists of a few words. That’s why we call it a keyphrase. For example, if you want your blog post to rank for ‘healthy snacks’, then optimize your post for that term. Your focus keyphrase can also be longer. For instance, you could write an article about healthy snacks specifically made for kids and optimize for ‘healthy snacks for kids’. Or a post about healthy snacks to eat after a workout, and optimize for ‘healthy snacks after workout’.