This part is a kind of semiconductor called EDZ.

Function of this product has Zener diode.

Manufacturers : Rohm

Image and pinout :

Some of the text within the PDF file :

EDZ Series Diodes Zener diode EDZ Series !Applications Constant voltage control !External dimensions (Units : mm) CATHODE MARK !Features 1) Extremely compact, 2-pin mini-mold type for highdensity mounting (EMD2). 2) Can be mounted automatically,using chip mounter. 3) High reliability. 1.2±0.05 1.6±0.1 0.3±0.05 0.8±0.05 0.12±0.05 0.6±0.1 ∗ Type No. and date of manufacture stamped on body in digital marking. !Construction Silicon epitaxial planar ROHM : EMD2 EIAJ : SC-79 JEDEC : SOD-523 !Absolute maximum ratings (Ta = 25°C) Parameter Power dissipation Junction temperature Storage temperature Operating temperature Symbol P Tj Tstg Topr Limits 100 125 −55 ~ +125 −55 ~ +125 Unit mW °C °C °C !Markings (Type No.) Product name EDZ4.7B EDZ5.1B EDZ5.6B EDZ6.2B EDZ6.8B (Ex [ ... ]

EDZ PDF Datasheet Download