BEL/BEL POWER SOLUTIONS POW SQL48T20033-NDA0G DC-DC Converter
Introducing the BEL Power Solutions SQL48T20033-NDA0G, a high-performance, isolated DC-DC converter designed for demanding electronic applications. This power supply offers reliable, efficient power conversion with industry-standard features and robust protection mechanisms.
Product Features
Input Voltage Range: 36-75 VDC, with transient capability up to 100 VDC for 100ms
Output Voltage: Fixed at 3.3 VDC, capable of delivering up to 20A
High Efficiency: Designed for minimal heat generation, no heat sink required
Compact Size: Industry-standard 1/8 brick footprint (0.896” x 2.30”), 38% smaller than quarter-bricks
Thermal Management: Ultra-high efficiency with optional heat spreader (-xxxBx suffix) for enhanced thermal interface
Protection Features: Over-temperature shutdown, OTP, OCP, OVP, UVLO, and remote output sense
Operational Reliability: MTBF approximately 23.6 million hours (Telcordia SR-332, Method I Case 1)
Compliance & Safety: UL/CSA60950-1, EN60950-1, IEC60950-1, Class B conducted emissions
RoHS Compliant: Yes
Package Type: Industry-standard s-brick footprint
Electrical Specifications
Parameter
Conditions
Min
Typ
Max
Units
Absolute Maximum Input Voltage
Continuous
-0.3
80
VDC
Transient (100ms)
100
VDC
Operating Temperature
Ambient
-40
85
°C
Storage Temperature
-55
125
°C
Isolation Voltage (I/O to Baseplate)
2250
VDC
Switching Frequency
445
kHz
Output Voltage Trim Range
Industry-standard equations
-20
+10
%
Remote Sense Compensation
+10
%
Efficiency at 100% Load
91
%
MTBF
Telcordia SR-332, Method I Case 1
23.6
million hours
Additional Details
Fully protected against OTP, OCP, OVP, UVLO
Designed for applications in telecommunications, data communications, LAN/WAN, servers, and workstations
Industry-standard 1/8 brick footprint with optional heat spreader for enhanced thermal management
Fully RoHS compliant and meets safety standards including UL/CSA60950-1, EN60950-1, IEC60950-1
All materials meet UL94 V-0 flammability rating
Datasheet & Additional Resources
For detailed specifications and application information, please refer to the SQL48T20033 Datasheet.
Part Number: SQL48T20033-NDA0G | Manufacturer: BEL/BEL POWER SOLUTIONS | COO: MY | UOM: EA | ECCN: EAR99 | Package Type: Industry-standard s-brick
Note: Datasheet was not processed please search the internet for the part number for more details.
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{"id":10025597043005,"title":"SQL48T20033-NDA0G","handle":"sql48t20033-nda0g","description":"\u003ch3\u003eBEL\/BEL POWER SOLUTIONS POW SQL48T20033-NDA0G DC-DC Converter\u003c\/h3\u003e\n\u003cp\u003eIntroducing the BEL Power Solutions SQL48T20033-NDA0G, a high-performance, isolated DC-DC converter designed for demanding electronic applications. This power supply offers reliable, efficient power conversion with industry-standard features and robust protection mechanisms.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage Range: 36-75 VDC, with transient capability up to 100 VDC for 100ms\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: Fixed at 3.3 VDC, capable of delivering up to 20A\u003c\/li\u003e\n\u003cli\u003eHigh Efficiency: Designed for minimal heat generation, no heat sink required\u003c\/li\u003e\n\u003cli\u003eCompact Size: Industry-standard 1\/8 brick footprint (0.896” x 2.30”), 38% smaller than quarter-bricks\u003c\/li\u003e\n\u003cli\u003eThermal Management: Ultra-high efficiency with optional heat spreader (-xxxBx suffix) for enhanced thermal interface\u003c\/li\u003e\n\u003cli\u003eProtection Features: Over-temperature shutdown, OTP, OCP, OVP, UVLO, and remote output sense\u003c\/li\u003e\n\u003cli\u003eOperational Reliability: MTBF approximately 23.6 million hours (Telcordia SR-332, Method I Case 1)\u003c\/li\u003e\n\u003cli\u003eCompliance \u0026amp; Safety: UL\/CSA60950-1, EN60950-1, IEC60950-1, Class B conducted emissions\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003ePackage Type: Industry-standard s-brick footprint\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\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsolute Maximum Input Voltage\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003ctd\u003e-0.3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eTransient (100ms)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eAmbient\u003c\/td\u003e\n\u003ctd\u003e-40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-55\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage (I\/O to Baseplate)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2250\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e445\u003c\/td\u003e\n\u003ctd\u003ekHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Trim Range\u003c\/td\u003e\n\u003ctd\u003eIndustry-standard equations\u003c\/td\u003e\n\u003ctd\u003e-20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e+10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Sense Compensation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e+10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency at 100% Load\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e91\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003eTelcordia SR-332, Method I Case 1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e23.6\u003c\/td\u003e\n\u003ctd\u003emillion hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully protected against OTP, OCP, OVP, UVLO\u003c\/li\u003e\n\u003cli\u003eDesigned for applications in telecommunications, data communications, LAN\/WAN, servers, and workstations\u003c\/li\u003e\n\u003cli\u003eIndustry-standard 1\/8 brick footprint with optional heat spreader for enhanced thermal management\u003c\/li\u003e\n\u003cli\u003eFully RoHS compliant and meets safety standards including UL\/CSA60950-1, EN60950-1, IEC60950-1\u003c\/li\u003e\n\u003cli\u003eAll materials meet UL94 V-0 flammability rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-pow\/sql48t20033_ds_rev_02_033111.pdf\" target=\"_blank\"\u003eSQL48T20033 Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: SQL48T20033-NDA0G | Manufacturer: BEL\/BEL POWER SOLUTIONS | COO: MY | UOM: EA | ECCN: EAR99 | Package Type: Industry-standard s-brick\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-14T21:15:26+05:30","created_at":"2025-08-14T21:15:26+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["33 V","75v","BEL-BELP","DC","IMPORT_CSV","Isolated","Power","WLDM"],"price":275380,"price_min":275380,"price_max":275380,"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":50620336210237,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"SQL48T20033-NDA0G","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"SQL48T20033-NDA0G","public_title":null,"options":["Default Title"],"price":275380,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"SQL48T20033-NDA0G","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/SQL48T20033-NDA0G_45586928_824a0688.jpg?v=1755186329"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SQL48T20033-NDA0G_45586928_824a0688.jpg?v=1755186329","options":["Title"],"media":[{"alt":null,"id":45840446718269,"position":1,"preview_image":{"aspect_ratio":1.305,"height":200,"width":261,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SQL48T20033-NDA0G_45586928_824a0688.jpg?v=1755186329"},"aspect_ratio":1.305,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/SQL48T20033-NDA0G_45586928_824a0688.jpg?v=1755186329","width":261}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eBEL\/BEL POWER SOLUTIONS POW SQL48T20033-NDA0G DC-DC Converter\u003c\/h3\u003e\n\u003cp\u003eIntroducing the BEL Power Solutions SQL48T20033-NDA0G, a high-performance, isolated DC-DC converter designed for demanding electronic applications. This power supply offers reliable, efficient power conversion with industry-standard features and robust protection mechanisms.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput Voltage Range: 36-75 VDC, with transient capability up to 100 VDC for 100ms\u003c\/li\u003e\n\u003cli\u003eOutput Voltage: Fixed at 3.3 VDC, capable of delivering up to 20A\u003c\/li\u003e\n\u003cli\u003eHigh Efficiency: Designed for minimal heat generation, no heat sink required\u003c\/li\u003e\n\u003cli\u003eCompact Size: Industry-standard 1\/8 brick footprint (0.896” x 2.30”), 38% smaller than quarter-bricks\u003c\/li\u003e\n\u003cli\u003eThermal Management: Ultra-high efficiency with optional heat spreader (-xxxBx suffix) for enhanced thermal interface\u003c\/li\u003e\n\u003cli\u003eProtection Features: Over-temperature shutdown, OTP, OCP, OVP, UVLO, and remote output sense\u003c\/li\u003e\n\u003cli\u003eOperational Reliability: MTBF approximately 23.6 million hours (Telcordia SR-332, Method I Case 1)\u003c\/li\u003e\n\u003cli\u003eCompliance \u0026amp; Safety: UL\/CSA60950-1, EN60950-1, IEC60950-1, Class B conducted emissions\u003c\/li\u003e\n\u003cli\u003eRoHS Compliant: Yes\u003c\/li\u003e\n\u003cli\u003ePackage Type: Industry-standard s-brick footprint\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\u003eMin\u003c\/th\u003e\n\u003cth\u003eTyp\u003c\/th\u003e\n\u003cth\u003eMax\u003c\/th\u003e\n\u003cth\u003eUnits\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAbsolute Maximum Input Voltage\u003c\/td\u003e\n\u003ctd\u003eContinuous\u003c\/td\u003e\n\u003ctd\u003e-0.3\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e80\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003eTransient (100ms)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e100\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003eAmbient\u003c\/td\u003e\n\u003ctd\u003e-40\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e85\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e-55\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e125\u003c\/td\u003e\n\u003ctd\u003e°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage (I\/O to Baseplate)\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e2250\u003c\/td\u003e\n\u003ctd\u003eVDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Frequency\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e445\u003c\/td\u003e\n\u003ctd\u003ekHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage Trim Range\u003c\/td\u003e\n\u003ctd\u003eIndustry-standard equations\u003c\/td\u003e\n\u003ctd\u003e-20\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e+10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRemote Sense Compensation\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e+10\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEfficiency at 100% Load\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e91\u003c\/td\u003e\n\u003ctd\u003e%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMTBF\u003c\/td\u003e\n\u003ctd\u003eTelcordia SR-332, Method I Case 1\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e23.6\u003c\/td\u003e\n\u003ctd\u003emillion hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFully protected against OTP, OCP, OVP, UVLO\u003c\/li\u003e\n\u003cli\u003eDesigned for applications in telecommunications, data communications, LAN\/WAN, servers, and workstations\u003c\/li\u003e\n\u003cli\u003eIndustry-standard 1\/8 brick footprint with optional heat spreader for enhanced thermal management\u003c\/li\u003e\n\u003cli\u003eFully RoHS compliant and meets safety standards including UL\/CSA60950-1, EN60950-1, IEC60950-1\u003c\/li\u003e\n\u003cli\u003eAll materials meet UL94 V-0 flammability rating\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet \u0026amp; Additional Resources\u003c\/h3\u003e\n\u003cp\u003eFor detailed specifications and application information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/productfiles\/mf-pow\/sql48t20033_ds_rev_02_033111.pdf\" target=\"_blank\"\u003eSQL48T20033 Datasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003ePart Number: SQL48T20033-NDA0G | Manufacturer: BEL\/BEL POWER SOLUTIONS | COO: MY | UOM: EA | ECCN: EAR99 | Package Type: Industry-standard s-brick\u003c\/p\u003e\n\u003cp\u003eNote: Datasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e\u003cbr\u003e"}
