This part is a kind of semiconductor called 2N5681.

Function of this product has Bipolar Transistor.

Manufacturers : Multicomp

Image and pinout :

Some of the text within the PDF file :

Bipolar Transistor Description: A Silicon epitaxial NPN planer transistor in a TO-39 type package designed for use as drivers for high Power transistors in general purpose amplifier and switching circuits. Collector 3 2 Base 1 Emitter Maximum Ratings: Characteristic Collector Emitter Voltage Collector Base Voltage Emitter Base Voltage Collector Current Base Current Total Device Dissipation Total Device Dissipation Operating Junction Temperature Storage Temperature Range Thermal Resistance, Junction-to-Case Thermal Resistance, Junction-to-Ambient Symbol VCEO (IE = 0), VCBO (IC = 0), VEBO IC IB (TC = +25°C), Ptot (TA = +25°C), Ptot TJ Tstg RthJC RthJA Rating 100 4 1 500 10 1 -65 to +200 -65 to +200 17.4 175 Unit V A mA W °C °C/W www.element14.com www.farnell.com www.newark.com Pa [ ... ]

2N5681 PDF Datasheet Download