I fix it i replace the diode and short-circut this Bieber element and its working. Mabye someone knows what was this burned element?? I solder a new one but i dont know what was that ;/

Hi, i was finishing my custom cables and i switch 5v with 12v wire in molex :/ i Burn something on my quadro PCB. Is there any possibility that i can fix it by replacing this element?? It was almost news quadro Thanks for help.