This part is a kind of semiconductor called 2DW234.

Function of this product has Silicon Planar Zener Diode.

Manufacturers : Shen Xin Electronics

Image and pinout :

Some of the text within the PDF file :

607 612A 0755-27026225 83230751 0755-83230757 samtec@139.com 2DW230-236 SJ 50033/150-2002 XK-09-109-021 1 150 120 2 3 40~50mA 24 1.2 3 B-4 1 607 612A 0755-27026225 83230751 0755-83230757 samtec@139.com Tamb 20~100 Tstg 55~125 Pmax mw 200 Izmax mA 30 2DW230 2DW231 2DW232 2DW233 2DW234 2DW235 2DW236 5.8 5.8 6.0 6.0 6.0 6.0 VZ V avz(10-6/ ) Izr(mA) Yz Iz(mA) IR1(uA)25 IR2(uA)100 VR(V) I=IZT T1=25 T2=75 6.6 10 25 10 1.0 10 1.0 50 6.6 10 15 10 1.0 10 1.0 50 6.5 5.0 10 10 1.0 10 1.0 5.0 6.5 7.5 10 10 1.0 10 1.0 5.0 6.5 10 10 10 1.0 10 1.0 5.0 6.5 12.5 10 10 1.0 10 1.0 5.0 15 10 10 1.0 10 1.0 5.0 JS C JS 2 [ ... ]

2DW234 PDF Datasheet Download