This part is a kind of semiconductor called 1N5922A.

Function of this product has AXIAL LEADED SILICON ZENER DIODES.

Manufacturers : Sunmate

Image and pinout :

Some of the text within the PDF file :

1N5913A - 1N5957A AXIAL LEADED SILICON ZENER DIODES VOLTAGE RANGE: 3.3 - 240V POWER: 1.5Wa t t s Features ! Complete Voltage Range 3.3 to 240 Volts ! High peak reverse power dissipation ! High reliability ! Low leakage current Mechanical Data ! Case: D O - 4 1 Molded Plastic ! Terminals: Plated Leads Solderable per MIL-STD-202, Method 208 ! Polarity: Cathode Band ! Weight: 0.34 grams (approx.) ! Mounting Position: Any ! Marking: Type Number ABA D DO-41 Dim Min Max A 25.40 ¾ B 4.06 5.21 C 0.71 0.864 D 2.00 2.72 All Dimensions in mm C Maximum Ratings @ TA = 25°C unless otherwise specified Rating DC Power Dissipation at TL = 75 ° C (Note1) Maximum Forward Voltage at IF = 200 mA Maximum Thermal Resistance Junction to Ambient Air (Note2) Junction Temperature Range Symbol PD VF RθJA T [ ... ]

1N5922A PDF Datasheet Download