The TRI 20-1211 is a high-performance, isolated DC-DC converter manufactured by TRACO ELEC. AG. Designed for demanding industrial, transportation, and instrumentation applications, this converter offers reliable power conversion with exceptional isolation and efficiency.
Integrated EN 55032 Class A filter for EMI suppression
Low no-load power consumption between 240-480 mW
Protection features include overload, overvoltage, and short circuit protection
Compact 2" x 1" package for easy integration
3-year product warranty
Electrical Specifications
Models
Input Voltage Range
Output 1 Vnom Imax
Output 2 Vnom Imax
Efficiency (typ.)
TRI 20-1211
9 - 18 VDC (12 VDC nom.)
5.1 VDC 4000 mA
–12 VDC 840 mA
85%
TRI 20-2411
18 - 36 VDC (24 VDC nom.)
5.1 VDC 4000 mA
–12 VDC 840 mA
87%
TRI 20-4811
36 - 75 VDC (48 VDC nom.)
5.1 VDC 4000 mA
–12 VDC 840 mA
87%
Additional Technical Details
Input current at no load: 12 V models: 20 mA, 24 V models: 15 mA, 48 V models: 10 mA
Maximum surge voltage: 12 V models: 25 VDC (100 ms), 24 V models: 50 VDC (100 ms), 48 V models: 100 VDC (100 ms)
Under voltage lockout: 7.5 V (12 V), 15 V (24 V), 33 V (48 V)
Ripple and noise (20 MHz bandwidth): 50-150 mVp-p depending on output voltage
Isolation test voltage: 8,000 VDC (1s), 4,200 VAC (60s)
Operating temperature: -40°C to +76°C
Dimensions: 50.8 mm x 25.4 mm x 11.4 mm (2" x 1" x 0.45")
Weight: approximately 30 g
Certifications & Standards
UL 62368-1, IEC 62368-1
RoHS compliant
Washing process allowed (hermetical product)
For more detailed specifications and application guidelines, please refer to the datasheet. If additional information is needed, search the internet for the part number TRI 20-1211.
{"id":10023233683773,"title":"TRI 20-1211","handle":"tri-20-1211","description":"\u003ch3\u003eTRI 20-1211 DC-DC Converter 5.1V 20W\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTRI 20-1211\u003c\/strong\u003e is a high-performance, isolated DC-DC converter manufactured by \u003cstrong\u003eTRACO ELEC. AG\u003c\/strong\u003e. Designed for demanding industrial, transportation, and instrumentation applications, this converter offers reliable power conversion with exceptional isolation and efficiency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TRI 20-1211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e TRACO ELEC. AG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\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\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tri-20-1211.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReinforced I\/O-isolation rated at 4200 VAC for 60 seconds, with withstand voltage up to 8000 VDC (1s) and 4200 VAC (60s)\u003c\/li\u003e\n\u003cli\u003eHigh common mode transient immunity of 15 kV\/µs\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +76°C, with full load operation up to +55°C without derating\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 90%\u003c\/li\u003e\n\u003cli\u003eWide 2:1 input voltage range: 9-18 VDC, 18-36 VDC, 36-75 VDC\u003c\/li\u003e\n\u003cli\u003eIntegrated EN 55032 Class A filter for EMI suppression\u003c\/li\u003e\n\u003cli\u003eLow no-load power consumption between 240-480 mW\u003c\/li\u003e\n\u003cli\u003eProtection features include overload, overvoltage, and short circuit protection\u003c\/li\u003e\n\u003cli\u003eCompact 2\" x 1\" package for easy integration\u003c\/li\u003e\n\u003cli\u003e3-year product warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput 1 Vnom Imax\u003c\/th\u003e\n\u003cth\u003eOutput 2 Vnom Imax\u003c\/th\u003e\n\u003cth\u003eEfficiency (typ.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-1211\u003c\/td\u003e\n\u003ctd\u003e9 - 18 VDC (12 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-2411\u003c\/td\u003e\n\u003ctd\u003e18 - 36 VDC (24 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e87%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-4811\u003c\/td\u003e\n\u003ctd\u003e36 - 75 VDC (48 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e87%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Technical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput current at no load: 12 V models: 20 mA, 24 V models: 15 mA, 48 V models: 10 mA\u003c\/li\u003e\n\u003cli\u003eMaximum surge voltage: 12 V models: 25 VDC (100 ms), 24 V models: 50 VDC (100 ms), 48 V models: 100 VDC (100 ms)\u003c\/li\u003e\n\u003cli\u003eUnder voltage lockout: 7.5 V (12 V), 15 V (24 V), 33 V (48 V)\u003c\/li\u003e\n\u003cli\u003eRipple and noise (20 MHz bandwidth): 50-150 mVp-p depending on output voltage\u003c\/li\u003e\n\u003cli\u003eIsolation test voltage: 8,000 VDC (1s), 4,200 VAC (60s)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40°C to +76°C\u003c\/li\u003e\n\u003cli\u003eDimensions: 50.8 mm x 25.4 mm x 11.4 mm (2\" x 1\" x 0.45\")\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 30 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 62368-1, IEC 62368-1\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eWashing process allowed (hermetical product)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tri-20-1211.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is needed, search the internet for the part number \u003cstrong\u003eTRI 20-1211\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-13T20:49:02+05:30","created_at":"2025-08-13T20:49:02+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["1V","20W","DC","IMPORT_CSV","Isolated","TRACO","WLDM"],"price":1422221,"price_min":1422221,"price_max":1422221,"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":50616070603069,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TRI 20-1211","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"TRI 20-1211","public_title":null,"options":["Default Title"],"price":1422221,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"TRI 20-1211","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/TRI_20-1211_56004262_98d6e5b4.jpg?v=1755098346"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TRI_20-1211_56004262_98d6e5b4.jpg?v=1755098346","options":["Title"],"media":[{"alt":null,"id":45821540860221,"position":1,"preview_image":{"aspect_ratio":1.0,"height":200,"width":200,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TRI_20-1211_56004262_98d6e5b4.jpg?v=1755098346"},"aspect_ratio":1.0,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/TRI_20-1211_56004262_98d6e5b4.jpg?v=1755098346","width":200}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eTRI 20-1211 DC-DC Converter 5.1V 20W\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTRI 20-1211\u003c\/strong\u003e is a high-performance, isolated DC-DC converter manufactured by \u003cstrong\u003eTRACO ELEC. AG\u003c\/strong\u003e. Designed for demanding industrial, transportation, and instrumentation applications, this converter offers reliable power conversion with exceptional isolation and efficiency.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TRI 20-1211\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e TRACO ELEC. AG\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountry of Origin:\u003c\/strong\u003e TW (Taiwan)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUnit of Measure:\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\u003eDatasheet:\u003c\/strong\u003e \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tri-20-1211.pdf\" target=\"_blank\"\u003eDownload Datasheet\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eReinforced I\/O-isolation rated at 4200 VAC for 60 seconds, with withstand voltage up to 8000 VDC (1s) and 4200 VAC (60s)\u003c\/li\u003e\n\u003cli\u003eHigh common mode transient immunity of 15 kV\/µs\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from -40°C to +76°C, with full load operation up to +55°C without derating\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 90%\u003c\/li\u003e\n\u003cli\u003eWide 2:1 input voltage range: 9-18 VDC, 18-36 VDC, 36-75 VDC\u003c\/li\u003e\n\u003cli\u003eIntegrated EN 55032 Class A filter for EMI suppression\u003c\/li\u003e\n\u003cli\u003eLow no-load power consumption between 240-480 mW\u003c\/li\u003e\n\u003cli\u003eProtection features include overload, overvoltage, and short circuit protection\u003c\/li\u003e\n\u003cli\u003eCompact 2\" x 1\" package for easy integration\u003c\/li\u003e\n\u003cli\u003e3-year product warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eElectrical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput 1 Vnom Imax\u003c\/th\u003e\n\u003cth\u003eOutput 2 Vnom Imax\u003c\/th\u003e\n\u003cth\u003eEfficiency (typ.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-1211\u003c\/td\u003e\n\u003ctd\u003e9 - 18 VDC (12 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e85%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-2411\u003c\/td\u003e\n\u003ctd\u003e18 - 36 VDC (24 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e87%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTRI 20-4811\u003c\/td\u003e\n\u003ctd\u003e36 - 75 VDC (48 VDC nom.)\u003c\/td\u003e\n\u003ctd\u003e5.1 VDC 4000 mA\u003c\/td\u003e\n\u003ctd\u003e–12 VDC 840 mA\u003c\/td\u003e\n\u003ctd\u003e87%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Technical Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput current at no load: 12 V models: 20 mA, 24 V models: 15 mA, 48 V models: 10 mA\u003c\/li\u003e\n\u003cli\u003eMaximum surge voltage: 12 V models: 25 VDC (100 ms), 24 V models: 50 VDC (100 ms), 48 V models: 100 VDC (100 ms)\u003c\/li\u003e\n\u003cli\u003eUnder voltage lockout: 7.5 V (12 V), 15 V (24 V), 33 V (48 V)\u003c\/li\u003e\n\u003cli\u003eRipple and noise (20 MHz bandwidth): 50-150 mVp-p depending on output voltage\u003c\/li\u003e\n\u003cli\u003eIsolation test voltage: 8,000 VDC (1s), 4,200 VAC (60s)\u003c\/li\u003e\n\u003cli\u003eOperating temperature: -40°C to +76°C\u003c\/li\u003e\n\u003cli\u003eDimensions: 50.8 mm x 25.4 mm x 11.4 mm (2\" x 1\" x 0.45\")\u003c\/li\u003e\n\u003cli\u003eWeight: approximately 30 g\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 62368-1, IEC 62368-1\u003c\/li\u003e\n\u003cli\u003eRoHS compliant\u003c\/li\u003e\n\u003cli\u003eWashing process allowed (hermetical product)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor more detailed specifications and application guidelines, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tri-20-1211.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e. If additional information is needed, search the internet for the part number \u003cstrong\u003eTRI 20-1211\u003c\/strong\u003e.\u003c\/p\u003e\u003cbr\u003e"}
