6V STEP-UP VOLTAGE REGULATOR U3V40F6 6V STEP-UP VOLTAGE REGULATOR U3V50F6 6V STEP-UP/STEP-DOWN S18V20F6 6V, 3.3A STEP-DOWN VOLTAGE REGULATOR D30 6V, 5.5A STEP-DOWN VOLT REG. D36V50F6 6V, 600MA STEP-DOWN VOLTAGE REGULATOR 6V/22UF 6V0.05A 6V009 6V01