Found 3 alternatives for FL5252050R by Panasonic Electronic Components. Transistors Fets Mosfets Single — SC-74A, SOT-753.
MOSFET N-CH 30V 3.5A 5CPH
MOSFET N-CH 9V 330MA SOT23-5
MOSFET N-CH 90V 200MA SOT23-5