The PYB15-Q48-S12 is a high-performance, isolated DC-DC converter manufactured by BEL/CUI INC. Designed for demanding electronic applications, this 15W power module provides reliable power conversion with excellent efficiency and safety features. Its compact package and industry-standard pinout make it suitable for a wide range of industrial, medical, and communication equipment.
Key Features
Up to 15W isolated output power
Industry-standard pinout for easy integration
Wide input voltage range: 18~75 Vdc (4:1 input ratio)
High isolation voltage of 1,500 Vdc between input and output
High efficiency up to 90%
Continuous short circuit, over-current, and over-voltage protection
Operation across a temperature range of -40°C to 85°C
Six-sided metal shielding for improved EMI performance
Compliance with EN 62368-1 safety standards
Electrical Specifications
Model
Input Voltage Range
Output Voltage
Output Power (max)
Efficiency (typ)
Ripple & Noise (max)
Output Current (max)
PYB15-Q48-S12
18~75 Vdc
12 Vdc
15 W
up to 90%
15 mVp-p
1250 mA
Protection & Safety
Automatic hiccup short circuit protection
Over-current protection at 160%
Over-voltage protection tailored to output models
Isolation voltage of 1,500 Vdc (input to output)
Isolation resistance of 1,000 MΩ at 500 Vdc
Certified to UL 60950-1 and EN 62368-1 safety standards
Mechanical & Environmental
Package Type: TUBE
Dimensions: 50.8 mm x 25.4 mm x 16.3 mm (with heatsink)
Weight: 36 g (with heatsink)
Operating temperature: -40°C to 85°C
Storage temperature: -55°C to 125°C
Vibration: 10 G, 10~55 Hz for 30 min along X, Y, Z axes
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{"id":10025029337405,"title":"PYB15-Q48-S12","handle":"pyb15-q48-s12","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePYB15-Q48-S12\u003c\/strong\u003e is a high-performance, isolated DC-DC converter manufactured by \u003cstrong\u003eBEL\/CUI INC\u003c\/strong\u003e. Designed for demanding electronic applications, this 15W power module provides reliable power conversion with excellent efficiency and safety features. Its compact package and industry-standard pinout make it suitable for a wide range of industrial, medical, and communication equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 15W isolated output power\u003c\/li\u003e\n\u003cli\u003eIndustry-standard pinout for easy integration\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: 18~75 Vdc (4:1 input ratio)\u003c\/li\u003e\n\u003cli\u003eHigh isolation voltage of 1,500 Vdc between input and output\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 90%\u003c\/li\u003e\n\u003cli\u003eContinuous short circuit, over-current, and over-voltage protection\u003c\/li\u003e\n\u003cli\u003eOperation across a temperature range of -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eSix-sided metal shielding for improved EMI performance\u003c\/li\u003e\n\u003cli\u003eCompliance with EN 62368-1 safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003cth\u003eOutput Power (max)\u003c\/th\u003e\n\u003cth\u003eEfficiency (typ)\u003c\/th\u003e\n\u003cth\u003eRipple \u0026amp; Noise (max)\u003c\/th\u003e\n\u003cth\u003eOutput Current (max)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePYB15-Q48-S12\u003c\/td\u003e\n\u003ctd\u003e18~75 Vdc\u003c\/td\u003e\n\u003ctd\u003e12 Vdc\u003c\/td\u003e\n\u003ctd\u003e15 W\u003c\/td\u003e\n\u003ctd\u003eup to 90%\u003c\/td\u003e\n\u003ctd\u003e15 mVp-p\u003c\/td\u003e\n\u003ctd\u003e1250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProtection \u0026amp; Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic hiccup short circuit protection\u003c\/li\u003e\n\u003cli\u003eOver-current protection at 160%\u003c\/li\u003e\n\u003cli\u003eOver-voltage protection tailored to output models\u003c\/li\u003e\n\u003cli\u003eIsolation voltage of 1,500 Vdc (input to output)\u003c\/li\u003e\n\u003cli\u003eIsolation resistance of 1,000 MΩ at 500 Vdc\u003c\/li\u003e\n\u003cli\u003eCertified to UL 60950-1 and EN 62368-1 safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical \u0026amp; Environmental\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: TUBE\u003c\/li\u003e\n\u003cli\u003eDimensions: 50.8 mm x 25.4 mm x 16.3 mm (with heatsink)\u003c\/li\u003e\n\u003cli\u003eWeight: 36 g (with heatsink)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -55°C to 125°C\u003c\/li\u003e\n\u003cli\u003eVibration: 10 G, 10~55 Hz for 30 min along X, Y, Z axes\u003c\/li\u003e\n\u003cli\u003eCase Material: Aluminum alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cui\/cui-pyb15-q48-s12.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cui\/cui-pyb15-q48-s12.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eProduct Page: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=PYB15.pdf\u0026amp;path=%2fproduct%2fdc-dc-converters%2fisolated%2fpyb15-series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=PYB15.pdf\u0026amp;path=%2fproduct%2fdc-dc-converters%2fisolated%2fpyb15-series\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e3D Model: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePCB Footprint: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T15:56:50+05:30","created_at":"2025-08-14T15:56:50+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["15W","BEL-CUII","IMPORT_CSV","Isolated","WLDM"],"price":1083227,"price_min":1083227,"price_max":1083227,"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":50619410121021,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"PYB15-Q48-S12","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"PYB15-Q48-S12","public_title":null,"options":["Default Title"],"price":1083227,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"PYB15-Q48-S12","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/49998483.png?v=1755167212"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49998483.png?v=1755167212","options":["Title"],"media":[{"alt":null,"id":45835384291645,"position":1,"preview_image":{"aspect_ratio":1.0,"height":300,"width":300,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49998483.png?v=1755167212"},"aspect_ratio":1.0,"height":300,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/49998483.png?v=1755167212","width":300}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003ePYB15-Q48-S12\u003c\/strong\u003e is a high-performance, isolated DC-DC converter manufactured by \u003cstrong\u003eBEL\/CUI INC\u003c\/strong\u003e. Designed for demanding electronic applications, this 15W power module provides reliable power conversion with excellent efficiency and safety features. Its compact package and industry-standard pinout make it suitable for a wide range of industrial, medical, and communication equipment.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUp to 15W isolated output power\u003c\/li\u003e\n\u003cli\u003eIndustry-standard pinout for easy integration\u003c\/li\u003e\n\u003cli\u003eWide input voltage range: 18~75 Vdc (4:1 input ratio)\u003c\/li\u003e\n\u003cli\u003eHigh isolation voltage of 1,500 Vdc between input and output\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 90%\u003c\/li\u003e\n\u003cli\u003eContinuous short circuit, over-current, and over-voltage protection\u003c\/li\u003e\n\u003cli\u003eOperation across a temperature range of -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eSix-sided metal shielding for improved EMI performance\u003c\/li\u003e\n\u003cli\u003eCompliance with EN 62368-1 safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003cth\u003eOutput Power (max)\u003c\/th\u003e\n\u003cth\u003eEfficiency (typ)\u003c\/th\u003e\n\u003cth\u003eRipple \u0026amp; Noise (max)\u003c\/th\u003e\n\u003cth\u003eOutput Current (max)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePYB15-Q48-S12\u003c\/td\u003e\n\u003ctd\u003e18~75 Vdc\u003c\/td\u003e\n\u003ctd\u003e12 Vdc\u003c\/td\u003e\n\u003ctd\u003e15 W\u003c\/td\u003e\n\u003ctd\u003eup to 90%\u003c\/td\u003e\n\u003ctd\u003e15 mVp-p\u003c\/td\u003e\n\u003ctd\u003e1250 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProtection \u0026amp; Safety\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAutomatic hiccup short circuit protection\u003c\/li\u003e\n\u003cli\u003eOver-current protection at 160%\u003c\/li\u003e\n\u003cli\u003eOver-voltage protection tailored to output models\u003c\/li\u003e\n\u003cli\u003eIsolation voltage of 1,500 Vdc (input to output)\u003c\/li\u003e\n\u003cli\u003eIsolation resistance of 1,000 MΩ at 500 Vdc\u003c\/li\u003e\n\u003cli\u003eCertified to UL 60950-1 and EN 62368-1 safety standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eMechanical \u0026amp; Environmental\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePackage Type: TUBE\u003c\/li\u003e\n\u003cli\u003eDimensions: 50.8 mm x 25.4 mm x 16.3 mm (with heatsink)\u003c\/li\u003e\n\u003cli\u003eWeight: 36 g (with heatsink)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40°C to 85°C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: -55°C to 125°C\u003c\/li\u003e\n\u003cli\u003eVibration: 10 G, 10~55 Hz for 30 min along X, Y, Z axes\u003c\/li\u003e\n\u003cli\u003eCase Material: Aluminum alloy\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Resources\u003c\/h3\u003e\n\u003cp\u003eDatasheet: \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cui\/cui-pyb15-q48-s12.pdf\" target=\"_blank\"\u003ehttps:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-cui\/cui-pyb15-q48-s12.pdf\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003eProduct Page: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=PYB15.pdf\u0026amp;path=%2fproduct%2fdc-dc-converters%2fisolated%2fpyb15-series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-ProductPage\u0026amp;label=PYB15.pdf\u0026amp;path=%2fproduct%2fdc-dc-converters%2fisolated%2fpyb15-series\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e3D Model: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-3dmodel\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003ePCB Footprint: \u003ca href=\"https:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\" target=\"_blank\"\u003ehttps:\/\/www.cui.com\/track?actionLabel=Datasheet-ClickThrough-pcbfootprint\u0026amp;label=PYB15.pdf\u0026amp;path=%2fresources%2fcad-model-library%3fModelNumber%3dPYB15+Series\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eDisclaimer\u003c\/h3\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
