This part is a kind of semiconductor called TGL34-33A.
Function of this product has Surface Mount unidirectional and bidirectional Transient Voltage Suppressor Diodes.
Manufacturers : Diotec Semiconductor
Image and pinout :
Some of the text within the PDF file :
TGL 34-6.8 ... TGL 34-200CA Surface Mount unidirectional and bidirectional Transient Voltage Suppressor Diodes Unidirektionale und bidirektionale Spannungs-Begrenzer-Dioden für die Oberflächenmontage 150 W 6.8...200 V SOD-80 DO-213AA 0.04 g Pulse power dissipation – Impuls-Verlustleistung Nominal breakdown voltage Nominale Abbruch-Spannung Plastic case MiniMELF Kunststoffgehäuse MiniMELF Weight approx. – Gewicht ca. Plastic material has UL classification 94V-0 Gehäusematerial UL94V-0 klassifiziert Dimensions / Maße in mm Standard packaging taped in ammo pack Standard Lieferform gegurtet in Ammo-Pack see page 18 siehe Seite 18 Marking: One blue ring denotes “cathode” and “TVS-Diode family” The type numbers are noted only on the lable on the reel Kennzeichnung: Ein blau [ ... ]