BEL Power Solutions UIS48T20033-PDABG DC-DC Isolated Power Supply
The BEL/BEL POWER SOLUTIONS UIS48T20033-PDABG is a high-performance, 20A DC-DC converter designed for demanding electronic applications. This isolated power supply features a compact 1/16 brick package, optimized for systems with limited airflow and elevated ambient temperatures. It provides a fully regulated 3.3V output from a wide input voltage range of 18V to 75V, ensuring reliable power delivery across various operational conditions.
Key features include:
Industry-standard sixteenth-brick pinout for easy integration
Ultra-wide input voltage range (18V to 75V)
High efficiency of up to 90%, delivering 66W
Fully regulated 3.3V output with remote sense compensation (+10%)
Supports start-up into pre-biased loads and no minimum load requirement
Input transient withstands up to 100V for 100ms
On-board differential LC-filter for noise reduction
Fixed-frequency operation with high thermal performance
Multiple protection features including OTP, OCP, OVP, UVLO
Positive or negative logic ON/OFF control options
Low profile height of 0.453 inches (11.5mm)
RoHS compliant and UL/CSA60950-1, IEC60950-1, EN60950-1 approved
Designed for applications such as data communications, servers, storage, embedded equipment, and LAN/WAN infrastructure
Electrical Specifications
Parameter
Conditions
Specifications
Input Voltage
Continuous
18V to 75V DC
Transient Input Voltage
100ms
Up to 100V DC
Input to Output Isolation
2250 VDC
Output Voltage
3.3V ±48mV (over line/load/temperature)
Output Regulation
±24mV (over line/load/temperature)
Output Ripple & Noise
100-150 mV PK-PK
Maximum Output Current
20A
Efficiency
Up to 90%
MTBF
14.3 million hours (per Telcordia SR-332)
Mechanical & Environmental
Weight: 18g without baseplate, 24g with baseplate
Operating Temperature: -55°C to 125°C
Humidity: Non-condensing up to 95%
Vibration: 1 g (GR-63-CORE)
Shock: 50 g (Half Sinewave, 3-axis)
Protection & Control
Overvoltage Protection: 115-130% non-latching
Over Temperature Shutdown: 130°C
Turn-On Time: 100-130 ms from UVLO or ON/OFF control
Remote ON/OFF control with positive or negative logic
For more detailed specifications, please refer to the datasheet. Datasheet was not processed, please search the internet for the part number for more details.
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{"id":10025400992061,"title":"UIS48T20033-PDABG","handle":"uis48t20033-pdabg","description":"\u003ch3\u003eBEL Power Solutions UIS48T20033-PDABG DC-DC Isolated Power Supply\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/BEL POWER SOLUTIONS UIS48T20033-PDABG is a high-performance, 20A DC-DC converter designed for demanding electronic applications. This isolated power supply features a compact 1\/16 brick package, optimized for systems with limited airflow and elevated ambient temperatures. It provides a fully regulated 3.3V output from a wide input voltage range of 18V to 75V, ensuring reliable power delivery across various operational conditions.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry-standard sixteenth-brick pinout for easy integration\u003c\/li\u003e\n\u003cli\u003eUltra-wide input voltage range (18V to 75V)\u003c\/li\u003e\n\u003cli\u003eHigh efficiency of up to 90%, delivering 66W\u003c\/li\u003e\n\u003cli\u003eFully regulated 3.3V output with remote sense compensation (+10%)\u003c\/li\u003e\n\u003cli\u003eSupports start-up into pre-biased loads and no minimum load requirement\u003c\/li\u003e\n\u003cli\u003eInput transient withstands up to 100V for 100ms\u003c\/li\u003e\n\u003cli\u003eOn-board differential LC-filter for noise reduction\u003c\/li\u003e\n\u003cli\u003eFixed-frequency operation with high thermal performance\u003c\/li\u003e\n\u003cli\u003eMultiple protection features including OTP, OCP, OVP, UVLO\u003c\/li\u003e\n\u003cli\u003ePositive or negative logic ON\/OFF control options\u003c\/li\u003e\n\u003cli\u003eLow profile height of 0.453 inches (11.5mm)\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and UL\/CSA60950-1, IEC60950-1, EN60950-1 approved\u003c\/li\u003e\n\u003cli\u003eDesigned for applications such as data communications, servers, storage, embedded equipment, and LAN\/WAN infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003ctd\u003e18V to 75V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransient Input Voltage\u003c\/td\u003e\n\u003ctd\u003e100ms\u003c\/td\u003e\n\u003ctd\u003eUp to 100V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput to Output Isolation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V ±48mV (over line\/load\/temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Regulation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e±24mV (over line\/load\/temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100-150 mV PK-PK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Current\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e14.3 million hours (per Telcordia SR-332)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Environmental\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 18g without baseplate, 24g with baseplate\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -55°C to 125°C\u003c\/li\u003e\n\u003cli\u003eHumidity: Non-condensing up to 95%\u003c\/li\u003e\n\u003cli\u003eVibration: 1 g (GR-63-CORE)\u003c\/li\u003e\n\u003cli\u003eShock: 50 g (Half Sinewave, 3-axis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProtection \u0026amp; Control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOvervoltage Protection: 115-130% non-latching\u003c\/li\u003e\n\u003cli\u003eOver Temperature Shutdown: 130°C\u003c\/li\u003e\n\u003cli\u003eTurn-On Time: 100-130 ms from UVLO or ON\/OFF control\u003c\/li\u003e\n\u003cli\u003eRemote ON\/OFF control with positive or negative logic\u003c\/li\u003e\n\u003cli\u003eRemote sense with +10% compensation\u003c\/li\u003e\n\u003cli\u003eOutput voltage trim range: -20% to +10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: 1\/16 brick\u003c\/li\u003e\n\u003cli\u003eUOM: EA\u003c\/li\u003e\n\u003cli\u003ePart Number: UIS48T20033-PDABG\u003c\/li\u003e\n\u003cli\u003eManufacturer: BEL\/BEL POWER SOLUTIONS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: MY\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0007018463\/BELF-S-A0007018463-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0007018463\/BELF-S-A0007018463-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T19:09:32+05:30","created_at":"2025-08-14T19:09:32+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["33V","75V","BEL-BELP","DC","IMPORT_CSV","Isolated","Power","WLDM"],"price":452361,"price_min":452361,"price_max":452361,"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":50619990245693,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"UIS48T20033-PDABG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"UIS48T20033-PDABG","public_title":null,"options":["Default Title"],"price":452361,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"UIS48T20033-PDABG","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/45386494.jpg?v=1755178775"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/45386494.jpg?v=1755178775","options":["Title"],"media":[{"alt":null,"id":45838884471101,"position":1,"preview_image":{"aspect_ratio":1.0,"height":640,"width":640,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/45386494.jpg?v=1755178775"},"aspect_ratio":1.0,"height":640,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/45386494.jpg?v=1755178775","width":640}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBEL Power Solutions UIS48T20033-PDABG DC-DC Isolated Power Supply\u003c\/h3\u003e\n\u003cp\u003eThe BEL\/BEL POWER SOLUTIONS UIS48T20033-PDABG is a high-performance, 20A DC-DC converter designed for demanding electronic applications. This isolated power supply features a compact 1\/16 brick package, optimized for systems with limited airflow and elevated ambient temperatures. It provides a fully regulated 3.3V output from a wide input voltage range of 18V to 75V, ensuring reliable power delivery across various operational conditions.\u003c\/p\u003e\n\u003cp\u003eKey features include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIndustry-standard sixteenth-brick pinout for easy integration\u003c\/li\u003e\n\u003cli\u003eUltra-wide input voltage range (18V to 75V)\u003c\/li\u003e\n\u003cli\u003eHigh efficiency of up to 90%, delivering 66W\u003c\/li\u003e\n\u003cli\u003eFully regulated 3.3V output with remote sense compensation (+10%)\u003c\/li\u003e\n\u003cli\u003eSupports start-up into pre-biased loads and no minimum load requirement\u003c\/li\u003e\n\u003cli\u003eInput transient withstands up to 100V for 100ms\u003c\/li\u003e\n\u003cli\u003eOn-board differential LC-filter for noise reduction\u003c\/li\u003e\n\u003cli\u003eFixed-frequency operation with high thermal performance\u003c\/li\u003e\n\u003cli\u003eMultiple protection features including OTP, OCP, OVP, UVLO\u003c\/li\u003e\n\u003cli\u003ePositive or negative logic ON\/OFF control options\u003c\/li\u003e\n\u003cli\u003eLow profile height of 0.453 inches (11.5mm)\u003c\/li\u003e\n\u003cli\u003eRoHS compliant and UL\/CSA60950-1, IEC60950-1, EN60950-1 approved\u003c\/li\u003e\n\u003cli\u003eDesigned for applications such as data communications, servers, storage, embedded equipment, and LAN\/WAN infrastructure\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eConditions\u003c\/th\u003e\n\u003cth\u003eSpecifications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003ctd\u003e18V to 75V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransient Input Voltage\u003c\/td\u003e\n\u003ctd\u003e100ms\u003c\/td\u003e\n\u003ctd\u003eUp to 100V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput to Output Isolation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2250 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e3.3V ±48mV (over line\/load\/temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Regulation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e±24mV (over line\/load\/temperature)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Ripple \u0026amp; Noise\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100-150 mV PK-PK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Output Current\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e20A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eUp to 90%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e14.3 million hours (per Telcordia SR-332)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eMechanical \u0026amp; Environmental\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWeight: 18g without baseplate, 24g with baseplate\u003c\/li\u003e\n\u003cli\u003eOperating Temperature: -55°C to 125°C\u003c\/li\u003e\n\u003cli\u003eHumidity: Non-condensing up to 95%\u003c\/li\u003e\n\u003cli\u003eVibration: 1 g (GR-63-CORE)\u003c\/li\u003e\n\u003cli\u003eShock: 50 g (Half Sinewave, 3-axis)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProtection \u0026amp; Control\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOvervoltage Protection: 115-130% non-latching\u003c\/li\u003e\n\u003cli\u003eOver Temperature Shutdown: 130°C\u003c\/li\u003e\n\u003cli\u003eTurn-On Time: 100-130 ms from UVLO or ON\/OFF control\u003c\/li\u003e\n\u003cli\u003eRemote ON\/OFF control with positive or negative logic\u003c\/li\u003e\n\u003cli\u003eRemote sense with +10% compensation\u003c\/li\u003e\n\u003cli\u003eOutput voltage trim range: -20% to +10%\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eECCN: EAR99\u003c\/li\u003e\n\u003cli\u003ePackage Type: 1\/16 brick\u003c\/li\u003e\n\u003cli\u003eUOM: EA\u003c\/li\u003e\n\u003cli\u003ePart Number: UIS48T20033-PDABG\u003c\/li\u003e\n\u003cli\u003eManufacturer: BEL\/BEL POWER SOLUTIONS\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: MY\u003c\/li\u003e\n\u003cli\u003eDatasheet: \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0007018463\/BELF-S-A0007018463-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications, please refer to the \u003ca href=\"https:\/\/4donline.ihs.com\/images\/VipMasterIC\/IC\/BELF\/BELF-S-A0007018463\/BELF-S-A0007018463-1.pdf?hkey=82A29B72BDB3BD67C626B77C2F032848\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. Datasheet was not processed, please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
