{"product_id":"b0505s-dc-dc-isolated-power-module-5v-to-5v-1w-sip4-1000v-isolation","title":"B0505S DC-DC Isolated Power Module — 5V to 5V, 1W, SIP-4, 1000V Isolation","description":"\u003ch2\u003eB0505S DC-DC Isolated Power Module — 5V to 5V, 1W, SIP-4, 1000V Isolation\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eB0505S\u003c\/strong\u003e is a compact 1W DC-DC isolated power module in SIP-4 package that converts 5V input to an isolated 5V output with 1000V DC isolation between input and output. This galvanic isolation eliminates ground loops, prevents noise coupling, and protects sensitive circuits from high-voltage transients — making it the standard isolated power supply for RS-485 transceivers, CAN bus interfaces, analog sensor isolation, and industrial signal conditioning circuits.\u003c\/p\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eB0505S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage\u003c\/td\u003e\n\u003ctd\u003eSIP-4 (through-hole)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC (±10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC (isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Power\u003c\/td\u003e\n\u003ctd\u003e1W (200mA max)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e1000V DC (input to output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e~75%\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\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNo-Load Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;30mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch3\u003eWhy Use an Isolated DC-DC Converter?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1000V galvanic isolation\u003c\/strong\u003e — breaks ground loops between MCU and field devices\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eEliminates noise coupling\u003c\/strong\u003e — prevents switching noise from RS-485\/CAN from entering MCU power rail\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eProtects against transients\u003c\/strong\u003e — shields MCU from industrial voltage spikes on bus lines\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eSIP-4 through-hole\u003c\/strong\u003e — easy to solder on PCB or use in breadboard with adapter\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e1W \/ 200mA output\u003c\/strong\u003e — sufficient to power RS-485 transceiver (SP485, MAX485) and optocouplers\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIsolated power supply for RS-485 transceiver (paired with ADM2483, ISO1500)\u003c\/li\u003e\n\u003cli\u003eCAN bus isolated power supply\u003c\/li\u003e\n\u003cli\u003eAnalog sensor galvanic isolation\u003c\/li\u003e\n\u003cli\u003eIndustrial 4–20mA loop isolated power\u003c\/li\u003e\n\u003cli\u003eMedical equipment isolated auxiliary power\u003c\/li\u003e\n\u003cli\u003eNoise-sensitive ADC and DAC power isolation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 × B0505S 5V to 5V 1W Isolated DC-DC Power Module (SIP-4)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991442542827,"sku":"\u003cnone\u003e","price":4.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/b0505s-dc-dc-isolation-power-module-5v-sip4.webp?v=1761807059","url":"https:\/\/keszoox.com\/products\/b0505s-dc-dc-isolated-power-module-5v-to-5v-1w-sip4-1000v-isolation","provider":"Keszoox","version":"1.0","type":"link"}