{"product_id":"ac-dc-isolated-power-supply-220v-to-5v-3-5w-12v-5w-pcb-mount-arduino","title":"AC-DC Isolated Power Supply Module — 220V to 5V 3.5W \/ 12V 5W, PCB Mount, Arduino","description":"\u003ch2\u003eAC-DC Isolated Power Supply Module — 220V to 5V\/12V PCB Mount\u003c\/h2\u003e\u003cp\u003eA compact \u003cstrong\u003eisolated AC-DC switching power supply module\u003c\/strong\u003e designed for direct PCB mounting. Converts \u003cstrong\u003e85–265VAC mains input\u003c\/strong\u003e to regulated \u003cstrong\u003e5V DC (3.5W)\u003c\/strong\u003e or \u003cstrong\u003e12V DC (5W)\u003c\/strong\u003e output with full galvanic isolation. Operating range of \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e makes it suitable for industrial, IoT, and embedded control applications where a compact mains-powered supply is needed without an external adapter.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003e5V Variant\u003c\/th\u003e\n\u003cth\u003e12V Variant\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e85–265VAC \/ 120–370VDC\u003c\/td\u003e\n\u003ctd\u003e85–265VAC \/ 120–370VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003ctd\u003e12V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e3.5W\u003c\/td\u003e\n\u003ctd\u003e5W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Current\u003c\/td\u003e\n\u003ctd\u003e700mA\u003c\/td\u003e\n\u003ctd\u003e417mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e3000VAC\u003c\/td\u003e\n\u003ctd\u003e3000VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e~75%\u003c\/td\u003e\n\u003ctd\u003e~78%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRipple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;100mV pk-pk\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;120mV pk-pk\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtections\u003c\/td\u003e\n\u003ctd\u003eOVP, OCP, SCP\u003c\/td\u003e\n\u003ctd\u003eOVP, OCP, SCP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003ePCB through-hole pins\u003c\/td\u003e\n\u003ctd\u003ePCB through-hole pins\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This Module?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDirect mains input\u003c\/strong\u003e — no external transformer or adapter needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e3000VAC isolation\u003c\/strong\u003e — full galvanic isolation for safety and noise immunity\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePCB mount\u003c\/strong\u003e — through-hole pins for direct board integration\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e-40°C to +85°C\u003c\/strong\u003e — industrial temperature range for harsh environments\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eCompact size\u003c\/strong\u003e — fits in tight enclosures alongside control circuitry\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eArduino UNO\/Nano embedded in 220V control panels (5V variant)\u003c\/li\u003e\n\u003cli\u003eESP8266 \/ ESP32 IoT devices powered from mains (5V variant)\u003c\/li\u003e\n\u003cli\u003eRelay module power supply in 220V automation panels (12V variant)\u003c\/li\u003e\n\u003cli\u003eRS-485 \/ Modbus industrial sensor nodes (12V variant)\u003c\/li\u003e\n\u003cli\u003eSmart home switch modules (5V for MCU + 12V for relay coil)\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial Control Panel\u003c\/strong\u003e — 5V supply for PLC I\/O module or HMI microcontroller\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSmart Switch \/ Dimmer\u003c\/strong\u003e — embedded 5V supply for ESP8266 WiFi smart switch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Gateway\u003c\/strong\u003e — mains-powered ESP32 sensor node without external adapter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRelay Driver\u003c\/strong\u003e — 12V supply for relay coil in 220V automation circuit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLED Driver Supply\u003c\/strong\u003e — 12V for LED strip in mains-powered luminaire\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eSafety Notice\u003c\/h3\u003e\u003cp\u003e⚠️ This module connects directly to \u003cstrong\u003emains voltage (220V AC)\u003c\/strong\u003e. Ensure proper insulation, enclosure, and compliance with local electrical safety regulations. Always de-energize before handling. Not suitable for open-air use without an enclosure.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Can this module power an Arduino and relay simultaneously?\u003c\/strong\u003e\u003cbr\u003eA: The 5V\/700mA variant can power an Arduino UNO (~200mA) and a 5V relay module (~70mA per relay). For 4+ relays, use the 12V\/5W variant with a 5V relay board that accepts 12V coil voltage.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this module CE\/UL certified?\u003c\/strong\u003e\u003cbr\u003eA: Please verify certification markings on the physical module. For safety-critical applications, confirm compliance with your regional standards (CE, UL, RoHS) before deployment.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the no-load power consumption?\u003c\/strong\u003e\u003cbr\u003eA: Typically \u0026lt;0.5W at no load, making it suitable for always-on IoT applications with minimal standby power draw.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× AC-DC Isolated Power Supply Module (voltage\/power per variant selected)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"DIP 5V700MA","offer_id":46991480127723,"sku":"14:10#DIP 5V700MA","price":6.16,"currency_code":"USD","in_stock":true},{"title":"12V 400MA","offer_id":46991480160491,"sku":"14:29#12V 400MA","price":5.96,"currency_code":"USD","in_stock":true},{"title":"5V 700MA","offer_id":46991480193259,"sku":"14:350852#5V 700MA","price":5.96,"currency_code":"USD","in_stock":true},{"title":"DIP 12V 400MA","offer_id":46991480226027,"sku":"14:94#DIP 12V 400MA","price":6.16,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/ac-dc-isolated-power-supply-module-220v-to-5v-12v.webp?v=1761547299","url":"https:\/\/keszoox.com\/products\/ac-dc-isolated-power-supply-220v-to-5v-3-5w-12v-5w-pcb-mount-arduino","provider":"Keszoox","version":"1.0","type":"link"}