MMBT2222A is an NPN transistor hence the collector and emitter will be left open (Reverse biased) when the base pin is held at the ground and will be closed (Forward biased) when a signal is provided to the base pin. If you are interested in MMBT2222A, you can click on the following link:
https://www.utmel.com/productd....etail/onsemiconducto
Like
Comment
Share
Eric Zhao
Delete Comment
Are you sure that you want to delete this comment ?