Piranha led, is a type of in-line package, square, transparent resin package, four pins, there is a lack of feet at the cathode of the LED. Piranha LED lamp beads name origin: the United States generally call it eagle-eye led (Eagle Eye LED). It is said that when this LED was born, it immediately attracted everyone's attention, and its development trend was as fierce as a piranha. The other way of saying it is because it is shaped like a piranha in the Amazon.
