A pack of four surface mount (SOT-223) low drop-out (LDO) voltage regulators.
You choose from AMS1117-3.3 (3.3 Volts), AMS1117-5.0 (5 Volts) and AMS1117-ADJ (Adjustable). No mixed packs.
** REMEMBER TO TELL ME WHICH YOU WANT **
Datasheet: www.advanced-monolithic.com
LDO, 1A Output Current (of course, subject to power dissipation!), Max input 15v.
Perhaps you also need a power socket and plug so you can get the DC juice into your regulator, I have some, you know, combine shipping and save:
283.mytrademe.info