5V 1.5A Voltage Regulator LM2937

The LM2937-5 is a 5V regulator that can supply 500mA. The LM2937 differs from the common 7805 by having a much lower dropout voltage, 0.5V vs. 2.0V.

Very nice if your 9V battery dips due to a large current draw.

Size: 2.9 x 1.0 x 1.0cm