The BEL/CUI INC PUZ3-D5-S12-D is a high-performance isolated DC-DC converter designed for applications requiring reliable power conversion in compact form factors. This 3-watt power module features a wide input voltage range and robust isolation, making it suitable for industrial, medical, and IoT applications.
I'm particularly impressed with how carefully the header pins are packed for the RP2350-PiZero, they arrived in perfect condition without any bent pins, which has been a persistent issue with other competitors. This attention to packaging detail really stands out.
I also received the latest A4 revision of the RP2350, which shows you maintain current inventory, that's really valuable for customers who want the most up to date components.
The delivery was quick and hassle free throughout. I'll definitely be recommending you to others!
App feedback: The discounts offered through the app are a nice bonus, but the component search function could be improved to match the ease of use on the website version. The rest of the app functions work well.
{"id":10024980644157,"title":"PUZ3-D5-S12-D","handle":"puz3-d5-s12-d","description":"\u003ch3\u003eBEL\/CUI INC PUZ3-D5-S12-D DC-DC Isolated Converter - 3W, 4.5~9Vdc Input, 12Vdc Output\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/CUI INC PUZ3-D5-S12-D is a high-performance isolated DC-DC converter designed for applications requiring reliable power conversion in compact form factors. This 3-watt power module features a wide input voltage range and robust isolation, making it suitable for industrial, medical, and IoT applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUZ3-D5-S12-D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BEL\/CUI INC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TUBE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e DC-DC Converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Isolated DC\/DC Converters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cui.com\/product\/resource\/PUZ3-D.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePUZ3-D Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage Range: 4.5V to 9V DC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 12V DC\u003c\/li\u003e\n\u003cli\u003ePower Rating: 3W\u003c\/li\u003e\n\u003cli\u003eIsolation: Suitable for galvanic isolation requirements\u003c\/li\u003e\n\u003cli\u003eCompact package designed for space-constrained applications\u003c\/li\u003e\n\u003cli\u003eReliable performance with high efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e4.5~9 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e12 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eYes (specified in datasheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eTUBE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECCN\u003c\/td\u003e\n\u003ctd\u003eEAR99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUOM\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial automation systems\u003c\/li\u003e\n\u003cli\u003eMedical equipment\u003c\/li\u003e\n\u003cli\u003eIoT devices requiring isolated power\u003c\/li\u003e\n\u003cli\u003eEmbedded systems with space constraints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical specifications and application notes, please refer to the \u003ca href=\"https:\/\/www.cui.com\/product\/resource\/PUZ3-D.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number PUZ3-D5-S12-D for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T15:19:25+05:30","created_at":"2025-08-14T15:19:25+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["12 Vdc","3 W","9 Vdc","BEL-CUII","IMPORT_CSV","Isolated","WLDM"],"price":269975,"price_min":269975,"price_max":269975,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":50619314897213,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PUZ3-D5-S12-D","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PUZ3-D5-S12-D","public_title":null,"options":["Default Title"],"price":269975,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PUZ3-D5-S12-D","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/50051741.png?v=1755164967"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50051741.png?v=1755164967","options":["Title"],"media":[{"alt":null,"id":45834781884733,"position":1,"preview_image":{"aspect_ratio":1.0,"height":300,"width":300,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50051741.png?v=1755164967"},"aspect_ratio":1.0,"height":300,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/50051741.png?v=1755164967","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBEL\/CUI INC PUZ3-D5-S12-D DC-DC Isolated Converter - 3W, 4.5~9Vdc Input, 12Vdc Output\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/CUI INC PUZ3-D5-S12-D is a high-performance isolated DC-DC converter designed for applications requiring reliable power conversion in compact form factors. This 3-watt power module features a wide input voltage range and robust isolation, making it suitable for industrial, medical, and IoT applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e PUZ3-D5-S12-D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e BEL\/CUI INC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin (COO):\u003c\/strong\u003e CN\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure (UOM):\u003c\/strong\u003e EA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECCN:\u003c\/strong\u003e EAR99\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Type:\u003c\/strong\u003e TUBE\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e DC-DC Converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Category:\u003c\/strong\u003e Isolated DC\/DC Converters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.cui.com\/product\/resource\/PUZ3-D.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003ePUZ3-D Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage Range: 4.5V to 9V DC\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: 12V DC\u003c\/li\u003e\n\u003cli\u003ePower Rating: 3W\u003c\/li\u003e\n\u003cli\u003eIsolation: Suitable for galvanic isolation requirements\u003c\/li\u003e\n\u003cli\u003eCompact package designed for space-constrained applications\u003c\/li\u003e\n\u003cli\u003eReliable performance with high efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e4.5~9 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e12 Vdc\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Output\u003c\/td\u003e\n\u003ctd\u003e3 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eYes (specified in datasheet)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Type\u003c\/td\u003e\n\u003ctd\u003eTUBE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eECCN\u003c\/td\u003e\n\u003ctd\u003eEAR99\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUOM\u003c\/td\u003e\n\u003ctd\u003eEA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Origin\u003c\/td\u003e\n\u003ctd\u003eCN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIndustrial automation systems\u003c\/li\u003e\n\u003cli\u003eMedical equipment\u003c\/li\u003e\n\u003cli\u003eIoT devices requiring isolated power\u003c\/li\u003e\n\u003cli\u003eEmbedded systems with space constraints\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor detailed technical specifications and application notes, please refer to the \u003ca href=\"https:\/\/www.cui.com\/product\/resource\/PUZ3-D.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eNote: The datasheet was not processed; please search the internet for the part number PUZ3-D5-S12-D for more details.\u003c\/p\u003e\u003cbr\u003e"}
