R-785.0-1.0 | Recom Switching Regulator, Through Hole, 5V dc Output Voltage, 6.5 → 18V dc Input Voltage, 1A Output Current, 1 | RS
RS PRO Switching Regulator, PCB Mount, 5V dc Output Voltage, 8 → 36V dc Input Voltage, 1A Output Current, 1 | RS
![DollaTek 5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs: Amazon.co.uk: Electronics & Photo DollaTek 5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs: Amazon.co.uk: Electronics & Photo](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/71MYYiXZViL._AC_SL1010_.jpg)
DollaTek 5.5V DC Voltage Regulator Step Down Power Supply Module 4.75V-12V to 5V 800mA - 10pcs: Amazon.co.uk: Electronics & Photo
![Murata 5v Switching Regulator (for Toastrack models) [128K Toastrack] - £4.75 : Retro Revival ZX Spectrum Shop, ZX Spectrum shop for all your maintenance parts, spares, repair and refurbishment requirements. Murata 5v Switching Regulator (for Toastrack models) [128K Toastrack] - £4.75 : Retro Revival ZX Spectrum Shop, ZX Spectrum shop for all your maintenance parts, spares, repair and refurbishment requirements.](http://retrorevivalshop.co.uk/images/productimages/murata.jpg)