This part is a kind of semiconductor called 2N5064.

Function of this product has Thyristor sensitive gate.

Manufacturers : NXP

Image and pinout :

Some of the text within the PDF file :

Philips Semiconductors Product specification Thyristor sensitive gate GENERAL DESCRIPTION Glass passivated sensitive gate thyristor in a plastic envelope, intended for use in general purpose switching and phase control applications. This device is intended to be interfaced directly to microcontrollers, logic integreated circuits and other low power gate trigger circuits. 2N5064 QUICK REFERENCE DATA SYMBOL VDRM, VRRM IT(AV) IT(RMS) ITSM PARAMETER Repetitive peak off-state voltages Average on-state current RMS on-state current Non-repetitive peak on-state current MAX. UNIT 200 0.5 0.8 10 V A A A PINNING - TO92 variant PIN 1 2 3 DESCRIPTION anode gate cathode PIN CONFIGURATION SYMBOL a k 3 2 1 g LIMITING VALUES Limiting values in accordance with the Absolute Maximum System (IEC 13 [ ... ]

2N5064 PDF Datasheet Download