DC-DC Regulated Power Supply 2 Output 20W - Part Number: THM 20-1221
Manufactured by TRACO ELEC. AG, this high-performance DC-DC Converter is designed for demanding medical and industrial applications. With a compact plastic package measuring 1.6 x 1.0 inches, it offers reliable power conversion with reinforced isolation and low leakage current.
Product Features
Wide 2:1 input voltage range: 9-18 VDC, 18-36 VDC, or 36-75 VDC models
Output power: 20W with dual or single outputs
Multiple output options: 5V, 12V, 15V, 24V, and their negative counterparts
High efficiency up to 89%
Isolation voltage: 5000 VAC rated for 250 VAC working voltage
Low leakage current: <2.5 µA
Operating temperature: –40°C to +80°C
Conforms to IEC/EN/ES 60601-1 3rd edition for 2 x MOPP medical safety standards
Certification includes IEC 60601-1, IEC 62368-1, UL 62368-1, and ISO 13485 compliant quality management system
5-year product warranty
Internal Pi-type input filter and optional remote control capability
Technical Specifications
Model
Input Voltage Range
Output 1 Nominal / Max Current
Output 2 Nominal / Max Current
Efficiency
THM 20-1221
9 - 18 VDC
5 VDC / 4,000 mA
–5 VDC / 2,000 mA
89%
THM 20-2421
18 - 36 VDC
5 VDC / 4,000 mA
–5 VDC / 2,000 mA
90%
THM 20-4821
36 - 75 VDC
5 VDC / 4,000 mA
–5 VDC / 2,000 mA
89%
Additional Details
Output voltage adjustment: –10% to +20% (for 15 & 24 Vout models), ±10% (other models) via external resistor
Overvoltage protection: 125% of Vout nominal
Short circuit protection: Continuous, automatic recovery
Isolation test voltage: 5,000 VAC (input to output, 60 seconds)
Operating altitude: Up to 5,000 meters
Operating temperature: –40°C to +80°C
Power derating at high temperatures: 2%/K above 55°C
Power supply package: TUBE
Certifications & Standards
IEC 60601-1 3rd edition for 2 x MOPP
IEC 62368-1, UL 62368-1
RoHS compliant
Conforms to IEC 60601-1-2 EMC requirements (Class A)
Datasheet
For detailed technical information, please refer to the datasheet.
Note: The datasheet was not processed; please search the internet for the part number THM 20-1221 for more details.
{"id":10027730075965,"title":"THM 20-1221","handle":"thm-20-1221","description":"\u003ch3\u003eDC-DC Regulated Power Supply 2 Output 20W - Part Number: THM 20-1221\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eTRACO ELEC. AG\u003c\/strong\u003e, this high-performance \u003cem\u003eDC-DC Converter\u003c\/em\u003e is designed for demanding medical and industrial applications. With a compact plastic package measuring 1.6 x 1.0 inches, it offers reliable power conversion with reinforced isolation and low leakage current.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eWide 2:1 input voltage range: 9-18 VDC, 18-36 VDC, or 36-75 VDC models\u003c\/li\u003e\n \u003cli\u003eOutput power: 20W with dual or single outputs\u003c\/li\u003e\n \u003cli\u003eMultiple output options: 5V, 12V, 15V, 24V, and their negative counterparts\u003c\/li\u003e\n \u003cli\u003eHigh efficiency up to 89%\u003c\/li\u003e\n \u003cli\u003eIsolation voltage: 5000 VAC rated for 250 VAC working voltage\u003c\/li\u003e\n \u003cli\u003eLow leakage current: \u0026lt;2.5 µA\u003c\/li\u003e\n \u003cli\u003eOperating temperature: –40°C to +80°C\u003c\/li\u003e\n \u003cli\u003eConforms to IEC\/EN\/ES 60601-1 3rd edition for 2 x MOPP medical safety standards\u003c\/li\u003e\n \u003cli\u003eCertification includes IEC 60601-1, IEC 62368-1, UL 62368-1, and ISO 13485 compliant quality management system\u003c\/li\u003e\n \u003cli\u003e5-year product warranty\u003c\/li\u003e\n \u003cli\u003eInternal Pi-type input filter and optional remote control capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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 1 Nominal \/ Max Current\u003c\/th\u003e\n \u003cth\u003eOutput 2 Nominal \/ Max Current\u003c\/th\u003e\n \u003cth\u003eEfficiency\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-1221\u003c\/td\u003e\n \u003ctd\u003e9 - 18 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e89%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-2421\u003c\/td\u003e\n \u003ctd\u003e18 - 36 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e90%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-4821\u003c\/td\u003e\n \u003ctd\u003e36 - 75 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e89%\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOutput voltage adjustment: –10% to +20% (for 15 \u0026amp; 24 Vout models), ±10% (other models) via external resistor\u003c\/li\u003e\n \u003cli\u003eOvervoltage protection: 125% of Vout nominal\u003c\/li\u003e\n \u003cli\u003eShort circuit protection: Continuous, automatic recovery\u003c\/li\u003e\n \u003cli\u003eIsolation test voltage: 5,000 VAC (input to output, 60 seconds)\u003c\/li\u003e\n \u003cli\u003eOperating altitude: Up to 5,000 meters\u003c\/li\u003e\n \u003cli\u003eOperating temperature: –40°C to +80°C\u003c\/li\u003e\n \u003cli\u003ePower derating at high temperatures: 2%\/K above 55°C\u003c\/li\u003e\n \u003cli\u003ePower supply package: TUBE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eIEC 60601-1 3rd edition for 2 x MOPP\u003c\/li\u003e\n \u003cli\u003eIEC 62368-1, UL 62368-1\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n \u003cli\u003eConforms to IEC 60601-1-2 EMC requirements (Class A)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-thm-20-1221.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number \u003cem\u003eTHM 20-1221\u003c\/em\u003e for more details.\u003c\/p\u003e\u003cbr\u003e","published_at":"2025-08-16T02:29:28+05:30","created_at":"2025-08-16T02:29:28+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["20W","DC","IMPORT_CSV","IMPORT_PT2","Isolated","Power","TRACO","WLDM"],"price":1035691,"price_min":1035691,"price_max":1035691,"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":50625894252861,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"THM 20-1221","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"THM 20-1221","public_title":null,"options":["Default Title"],"price":1035691,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"THM 20-1221","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/THM_20-1221_55939843_541029ca.jpg?v=1755291572"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/THM_20-1221_55939843_541029ca.jpg?v=1755291572","options":["Title"],"media":[{"alt":null,"id":45860203102525,"position":1,"preview_image":{"aspect_ratio":1.005,"height":200,"width":201,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/THM_20-1221_55939843_541029ca.jpg?v=1755291572"},"aspect_ratio":1.005,"height":200,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/THM_20-1221_55939843_541029ca.jpg?v=1755291572","width":201}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eDC-DC Regulated Power Supply 2 Output 20W - Part Number: THM 20-1221\u003c\/h3\u003e\n\u003cp\u003eManufactured by \u003cstrong\u003eTRACO ELEC. AG\u003c\/strong\u003e, this high-performance \u003cem\u003eDC-DC Converter\u003c\/em\u003e is designed for demanding medical and industrial applications. With a compact plastic package measuring 1.6 x 1.0 inches, it offers reliable power conversion with reinforced isolation and low leakage current.\u003c\/p\u003e\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eWide 2:1 input voltage range: 9-18 VDC, 18-36 VDC, or 36-75 VDC models\u003c\/li\u003e\n \u003cli\u003eOutput power: 20W with dual or single outputs\u003c\/li\u003e\n \u003cli\u003eMultiple output options: 5V, 12V, 15V, 24V, and their negative counterparts\u003c\/li\u003e\n \u003cli\u003eHigh efficiency up to 89%\u003c\/li\u003e\n \u003cli\u003eIsolation voltage: 5000 VAC rated for 250 VAC working voltage\u003c\/li\u003e\n \u003cli\u003eLow leakage current: \u0026lt;2.5 µA\u003c\/li\u003e\n \u003cli\u003eOperating temperature: –40°C to +80°C\u003c\/li\u003e\n \u003cli\u003eConforms to IEC\/EN\/ES 60601-1 3rd edition for 2 x MOPP medical safety standards\u003c\/li\u003e\n \u003cli\u003eCertification includes IEC 60601-1, IEC 62368-1, UL 62368-1, and ISO 13485 compliant quality management system\u003c\/li\u003e\n \u003cli\u003e5-year product warranty\u003c\/li\u003e\n \u003cli\u003eInternal Pi-type input filter and optional remote control capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical 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 1 Nominal \/ Max Current\u003c\/th\u003e\n \u003cth\u003eOutput 2 Nominal \/ Max Current\u003c\/th\u003e\n \u003cth\u003eEfficiency\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-1221\u003c\/td\u003e\n \u003ctd\u003e9 - 18 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e89%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-2421\u003c\/td\u003e\n \u003ctd\u003e18 - 36 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e90%\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eTHM 20-4821\u003c\/td\u003e\n \u003ctd\u003e36 - 75 VDC\u003c\/td\u003e\n \u003ctd\u003e5 VDC \/ 4,000 mA\u003c\/td\u003e\n \u003ctd\u003e–5 VDC \/ 2,000 mA\u003c\/td\u003e\n \u003ctd\u003e89%\u003c\/td\u003e\n \u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eAdditional Details\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eOutput voltage adjustment: –10% to +20% (for 15 \u0026amp; 24 Vout models), ±10% (other models) via external resistor\u003c\/li\u003e\n \u003cli\u003eOvervoltage protection: 125% of Vout nominal\u003c\/li\u003e\n \u003cli\u003eShort circuit protection: Continuous, automatic recovery\u003c\/li\u003e\n \u003cli\u003eIsolation test voltage: 5,000 VAC (input to output, 60 seconds)\u003c\/li\u003e\n \u003cli\u003eOperating altitude: Up to 5,000 meters\u003c\/li\u003e\n \u003cli\u003eOperating temperature: –40°C to +80°C\u003c\/li\u003e\n \u003cli\u003ePower derating at high temperatures: 2%\/K above 55°C\u003c\/li\u003e\n \u003cli\u003ePower supply package: TUBE\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n \u003cli\u003eIEC 60601-1 3rd edition for 2 x MOPP\u003c\/li\u003e\n \u003cli\u003eIEC 62368-1, UL 62368-1\u003c\/li\u003e\n \u003cli\u003eRoHS compliant\u003c\/li\u003e\n \u003cli\u003eConforms to IEC 60601-1-2 EMC requirements (Class A)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDatasheet\u003c\/h3\u003e\n\u003cp\u003eFor detailed technical information, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-thm-20-1221.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e The datasheet was not processed; please search the internet for the part number \u003cem\u003eTHM 20-1221\u003c\/em\u003e for more details.\u003c\/p\u003e\u003cbr\u003e"}
