This part is a kind of semiconductor called L200CT.

Function of this product has ADJUSTABLE VOLTAGE AND CURRENT REGULATOR.

Manufacturers : STMicroelectronics

Image and pinout :

Some of the text within the PDF file :

® L200 ADJUSTABLE VOLTAGE AND CURRENT REGULATOR ADJUSTABLE OUTPUT CURRENT UP TO 2 A (GUARANTEED UP TO Tj = 150 °C) ADJUSTABLE OUTPUT VOLTAGE DOWN TO 2.85 V INPUT OVERVOLTAGE PROTECTION (UP TO 60 V, 10 ms) SHORT CIRCUIT PROTECTION OUTPUT TRANSISTOR S.O.A. PROTECTION THERMAL OVERLOAD PROTECTION LOW BIAS CURRENT ON REGULATION PIN LOW STANDBY CURRENT DRAIN Pentawatt® TO-3 (4 lead) DESCRIPTION The L200 is a monolithic integrated circuit for voltage and current programmable regulation. It is available in Pentawatt® package or 4-lead TO-3 metal case.Current limiting, power limiting, thermal shutdown and input overvoltage protection (up to ABSOLUTE MAXIMUM RATINGS Symbol Vi Vi ∆Vi-o Io Ptot Tstg Top DC Input Voltage Peak Input Voltage (10 ms) Dropout Voltage Output Current Power Dissipa [ ... ]

L200CT PDF Datasheet Download