A semiconductor device with three connections, capable of amplification in addition to rectification.
NPN power transistors BD139 TO-126
A transistor is a semiconductor device used to amplify or switch electronic signals and electrical power. It is composed of semiconductor material usually with at least three terminals for connection to an external circuit
PC817 HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY DIP-4
HIGH DENSITY MOUNTING PHOTOTRANSISTOR OPTICALLY COUPLED ISOLATORS.
PIC18F4520-I/P PIC18F4520 PIC18F MCU 8BIT 32KB FLASH 40DIP
CPU Up to 10 MIPS Performance at 3V C compiler optimized RISC architecture 8x8 Single Cycle Hardware Multiply