This part is a kind of semiconductor called 1.5KE200CA.
Function of this product has (1.5KE Series) 1500W TRANSIENT VOLTAGE SUPPRESSOR.
Manufacturers : Diodes
Image and pinout :

Some of the text within the PDF file :
1.5KE6V8(C)A - 1.5KE400(C)A 1500W TRANSIENT VOLTAGE SUPPRESSOR Features · · · · · · 1500W Peak Pulse Power Dissipation Voltage Range 6.8V - 400V Constructed with Glass Passivated Die Uni- and Bidirectional Versions Available Excellent Clamping Capability Fast Response Time A B A C Mechanical Data · · · · · · · Case: Transfer Molded Epoxy Case material - UL Flammability Rating Classification 94V-0 Moisture sensitivity: Level 1 per J-STD-020A Leads: Axial, Solderable per MIL-STD-202 Method 208 Marking: Unidirectional - Type Number and Cathode Band Marking: Bidirectional - Type Number Only Approx. Weight: 1.12 grams DO-201 Dim A B C D Min 25.40 8.50 0.96 4.80 D Max 9.53 1.06 5.21 All Dimensions in mm Maximum Ratings @ TA = 25°C unless otherwise specified Characteris [ ... ]
1.5KE200CA PDF Datasheet Download
