The PSPW120B-1Y15P is a part of Wall Industries' Programmable DC to DC Converter series. It is a 120W single-output wall-mountable DC/DC converter with a standard 5V output voltage. It has a wide input voltage range of 18 to 36 VDC, a low output ripple, and a high efficiency of up to 94%. It has a current rating of 4.2A, and features overvoltage, overcurrent, and thermal protection. The PSPW120B-1Y15P also features a wide operating temperature range of -40 to +85°C and an integrated EMI filter for added noise suppression.