60V to 5V DC-DC Step-Down Converter using LMR16030 - Electronics-Lab.com
DC-DC Buck Step Down Adjustable Converter 4.5-60V to 3.3V 5V 6V 9V 12V 24V 3A | eBay
LM2596s DC DC Step down Converter Power Supply Module 3A Adjustable Step Down Module LM2596 Voltage Regulator 24V 12V 5V 3V|Inverters & Converters| - AliExpress
DC-DC Step-down converter, LM2596 - Kit-Amp
DC/DC Step-down converter with LCD and trasparent case
514 5a Dc Dc Step Down Converter Power Supply Module With Usb Port Charging Treasure Conversion Board - Buy Dc Dc Converter Module,Step Down Module,Power Supply Module Product on Alibaba.com
72V to 48V 10A 480W DC DC Step Down Converter Voltage Regulator w/ACC – Daygreen
UBEC DC/DC Step-Down (Buck) Converter - 5V @ 3A output : ID 1385 : $9.95 : Adafruit Industries, Unique & fun DIY electronics and kits