Npn Transistor Schaltbild. A pnp bipolar transistor has a thin layer of n type crystals placed between two p type crystals figure 2b. The npn bipolar transistor has a thin layer of p type crystal placed between two n type crystals figure 2a.
The third crystal is called the collector. This is known as forward bias. The center section is called the base.
The third crystal is called the collector.
Amplifier transistors npn silicon bc547 datasheet bc547 circuit bc547 data sheet. Reverse bias is needed in the collector junction of an npn transistor figure 3. The npn bipolar transistor has a thin layer of p type crystal placed between two n type crystals figure 2a. The center section is called the base.