$2.99
Voltage Regulator 1.5A ADJ 1.2-37V Positive
Linear Voltage Regulator IC Positive Fixed 1 Output 15V 1.5A TO-220...
Linear Voltage Regulator, 7805, Fixed, Regulator, 10V To 35V In, 5V...
DC-DC Switching Buck (Step Down) Regulator, Adjustable, 8V-55Vin, 5...