The TRACO ELEC. AG TEL 3-4812 is a high-efficiency isolated DC-DC converter designed for industrial and consumer electronics applications. This 3 Watt power module features a compact DIL-24 plastic package and provides reliable power conversion with excellent performance characteristics.
Wide input voltage ranges: 2:1 and 3:1 input ratio options
High efficiency up to 81%, reducing power loss and heat generation
Indefinite short-circuit protection for enhanced reliability
Input/output isolation voltage of 1500 VDC for safety and noise immunity
Operating temperature range from –40°C to +85°C
Low output noise for sensitive electronic applications
3-year product warranty
Electrical Specifications
Models
Input Voltage Range
Output Voltage
Max Output Current
Efficiency (Typ.)
TEL 3-4812
36 – 75 VDC
12 VDC
250 mA
81%
Input Specifications
Input current (no load): 20 mA at 12 VDC
Input current (full load): 320 mA at 12 VDC
Surge voltage (1 sec max): 25 VDC
Output Specifications
Voltage set accuracy: ±1%
Line regulation: 0.5% max.
Load regulation: 0.5% max. (single output)
Ripple and noise: <60 mV peak-to-peak (20 MHz bandwidth)
Temperature coefficient: ±0.02%/°K
Output current limitation: >110% of max. Iout, with automatic recovery from short circuit
Capacitive load: 2000 µF max.
Physical & Environmental Details
Casing material: Non-conductive black plastic
Potting material: Epoxy (UL94V-0 rated)
Weight: 12 g (0.42 oz)
Soldering temperature max.: 265°C for 10 seconds
Operating temperature: –40°C to +85°C
Storage temperature: –40°C to +125°C
Humidity: Up to 95% relative humidity (non-condensing)
Isolation voltage (60 sec): 1500 VDC
Pin Configuration & Dimensions
Standard pinout compatible with TED / TEM-3 Series. Dimensions and pinout details are available in the datasheet.
For detailed pinout and mechanical dimensions, please refer to the datasheet.
Certifications & Standards
UL 60950-1, IEC/EN 60950-1
CSA File No. 226037
RoHS compliant (2011/65/EU)
Note: All specifications are valid at nominal input voltage, full load, and +25°C after warm-up. Please consult the datasheet for detailed technical information.
Datasheet was not processed please search the internet for the part number for more details.
{"id":10011586330941,"title":"TEL 3-4812","handle":"tel-3-4812","description":"\u003ch3\u003eTRACO ELEC. AG TEL 3-4812 DC-DC Converter 12V 3W\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTRACO ELEC. AG TEL 3-4812\u003c\/strong\u003e is a high-efficiency isolated DC-DC converter designed for industrial and consumer electronics applications. This 3 Watt power module features a compact DIL-24 plastic package and provides reliable power conversion with excellent performance characteristics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e DC-DC Converter | Isolated DC\/DC Converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TEL 3-4812\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 US\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\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide input voltage ranges: 2:1 and 3:1 input ratio options\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 81%, reducing power loss and heat generation\u003c\/li\u003e\n\u003cli\u003eIndefinite short-circuit protection for enhanced reliability\u003c\/li\u003e\n\u003cli\u003eInput\/output isolation voltage of 1500 VDC for safety and noise immunity\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from –40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eLow output noise for sensitive electronic applications\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 border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003cth\u003eMax Output Current\u003c\/th\u003e\n\u003cth\u003eEfficiency (Typ.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEL 3-4812\u003c\/td\u003e\n\u003ctd\u003e36 – 75 VDC\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003ctd\u003e81%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInput Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput current (no load): 20 mA at 12 VDC\u003c\/li\u003e\n\u003cli\u003eInput current (full load): 320 mA at 12 VDC\u003c\/li\u003e\n\u003cli\u003eSurge voltage (1 sec max): 25 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOutput Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage set accuracy: ±1%\u003c\/li\u003e\n\u003cli\u003eLine regulation: 0.5% max.\u003c\/li\u003e\n\u003cli\u003eLoad regulation: 0.5% max. (single output)\u003c\/li\u003e\n\u003cli\u003eRipple and noise: \u0026lt;60 mV peak-to-peak (20 MHz bandwidth)\u003c\/li\u003e\n\u003cli\u003eTemperature coefficient: ±0.02%\/°K\u003c\/li\u003e\n\u003cli\u003eOutput current limitation: \u0026gt;110% of max. Iout, with automatic recovery from short circuit\u003c\/li\u003e\n\u003cli\u003eCapacitive load: 2000 µF max.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical \u0026amp; Environmental Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCasing material: Non-conductive black plastic\u003c\/li\u003e\n\u003cli\u003ePotting material: Epoxy (UL94V-0 rated)\u003c\/li\u003e\n\u003cli\u003eWeight: 12 g (0.42 oz)\u003c\/li\u003e\n\u003cli\u003eSoldering temperature max.: 265°C for 10 seconds\u003c\/li\u003e\n\u003cli\u003eOperating temperature: –40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: –40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eHumidity: Up to 95% relative humidity (non-condensing)\u003c\/li\u003e\n\u003cli\u003eIsolation voltage (60 sec): 1500 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePin Configuration \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cp\u003eStandard pinout compatible with TED \/ TEM-3 Series. Dimensions and pinout details are available in the datasheet.\u003c\/p\u003e\n\u003cp\u003eFor detailed pinout and mechanical dimensions, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tel-3-4812.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 60950-1, IEC\/EN 60950-1\u003c\/li\u003e\n\u003cli\u003eCSA File No. 226037\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (2011\/65\/EU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: All specifications are valid at nominal input voltage, full load, and +25°C after warm-up. Please consult the datasheet for detailed technical information.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e","published_at":"2025-08-10T01:05:26+05:30","created_at":"2025-08-10T01:05:26+05:30","vendor":"Waldom Electonics","type":"DC-DC Converter","tags":["12V","3W","DC","IMPORT_CSV","Isolated","TRACO","WLDM"],"price":164785,"price_min":164785,"price_max":164785,"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":50570328539453,"title":"Default Title","option1":"Default Title","option2":null,"option3":null,"sku":"TEL 3-4812","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"TEL 3-4812","public_title":null,"options":["Default Title"],"price":164785,"weight":250,"compare_at_price":null,"inventory_management":"shopify","barcode":"TEL 3-4812","requires_selling_plan":false,"selling_plan_allocations":[]}],"images":["\/\/thinkrobotics.com\/cdn\/shop\/files\/54955814.jpg?v=1754768129"],"featured_image":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54955814.jpg?v=1754768129","options":["Title"],"media":[{"alt":null,"id":45752237490493,"position":1,"preview_image":{"aspect_ratio":1.0,"height":420,"width":420,"src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54955814.jpg?v=1754768129"},"aspect_ratio":1.0,"height":420,"media_type":"image","src":"\/\/thinkrobotics.com\/cdn\/shop\/files\/54955814.jpg?v=1754768129","width":420}],"requires_selling_plan":false,"selling_plan_groups":[],"content":"\u003ch3\u003eTRACO ELEC. AG TEL 3-4812 DC-DC Converter 12V 3W\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTRACO ELEC. AG TEL 3-4812\u003c\/strong\u003e is a high-efficiency isolated DC-DC converter designed for industrial and consumer electronics applications. This 3 Watt power module features a compact DIL-24 plastic package and provides reliable power conversion with excellent performance characteristics.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e DC-DC Converter | Isolated DC\/DC Converter\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e TEL 3-4812\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 US\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\u003c\/ul\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide input voltage ranges: 2:1 and 3:1 input ratio options\u003c\/li\u003e\n\u003cli\u003eHigh efficiency up to 81%, reducing power loss and heat generation\u003c\/li\u003e\n\u003cli\u003eIndefinite short-circuit protection for enhanced reliability\u003c\/li\u003e\n\u003cli\u003eInput\/output isolation voltage of 1500 VDC for safety and noise immunity\u003c\/li\u003e\n\u003cli\u003eOperating temperature range from –40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eLow output noise for sensitive electronic applications\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 border=\"1\" cellpadding=\"5\" cellspacing=\"0\"\u003e\n\u003ctr\u003e\n\u003cth\u003eModels\u003c\/th\u003e\n\u003cth\u003eInput Voltage Range\u003c\/th\u003e\n\u003cth\u003eOutput Voltage\u003c\/th\u003e\n\u003cth\u003eMax Output Current\u003c\/th\u003e\n\u003cth\u003eEfficiency (Typ.)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTEL 3-4812\u003c\/td\u003e\n\u003ctd\u003e36 – 75 VDC\u003c\/td\u003e\n\u003ctd\u003e12 VDC\u003c\/td\u003e\n\u003ctd\u003e250 mA\u003c\/td\u003e\n\u003ctd\u003e81%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eInput Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eInput current (no load): 20 mA at 12 VDC\u003c\/li\u003e\n\u003cli\u003eInput current (full load): 320 mA at 12 VDC\u003c\/li\u003e\n\u003cli\u003eSurge voltage (1 sec max): 25 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eOutput Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eVoltage set accuracy: ±1%\u003c\/li\u003e\n\u003cli\u003eLine regulation: 0.5% max.\u003c\/li\u003e\n\u003cli\u003eLoad regulation: 0.5% max. (single output)\u003c\/li\u003e\n\u003cli\u003eRipple and noise: \u0026lt;60 mV peak-to-peak (20 MHz bandwidth)\u003c\/li\u003e\n\u003cli\u003eTemperature coefficient: ±0.02%\/°K\u003c\/li\u003e\n\u003cli\u003eOutput current limitation: \u0026gt;110% of max. Iout, with automatic recovery from short circuit\u003c\/li\u003e\n\u003cli\u003eCapacitive load: 2000 µF max.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePhysical \u0026amp; Environmental Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCasing material: Non-conductive black plastic\u003c\/li\u003e\n\u003cli\u003ePotting material: Epoxy (UL94V-0 rated)\u003c\/li\u003e\n\u003cli\u003eWeight: 12 g (0.42 oz)\u003c\/li\u003e\n\u003cli\u003eSoldering temperature max.: 265°C for 10 seconds\u003c\/li\u003e\n\u003cli\u003eOperating temperature: –40°C to +85°C\u003c\/li\u003e\n\u003cli\u003eStorage temperature: –40°C to +125°C\u003c\/li\u003e\n\u003cli\u003eHumidity: Up to 95% relative humidity (non-condensing)\u003c\/li\u003e\n\u003cli\u003eIsolation voltage (60 sec): 1500 VDC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePin Configuration \u0026amp; Dimensions\u003c\/h3\u003e\n\u003cp\u003eStandard pinout compatible with TED \/ TEM-3 Series. Dimensions and pinout details are available in the datasheet.\u003c\/p\u003e\n\u003cp\u003eFor detailed pinout and mechanical dimensions, please refer to the \u003ca href=\"https:\/\/www.waldomapac.com\/upload\/parts\/datasheets\/mf-tra\/tra-tel-3-4812.pdf\" target=\"_blank\"\u003edatasheet\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eCertifications \u0026amp; Standards\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUL 60950-1, IEC\/EN 60950-1\u003c\/li\u003e\n\u003cli\u003eCSA File No. 226037\u003c\/li\u003e\n\u003cli\u003eRoHS compliant (2011\/65\/EU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNote: All specifications are valid at nominal input voltage, full load, and +25°C after warm-up. Please consult the datasheet for detailed technical information.\u003c\/p\u003e\n\u003cp\u003eDatasheet was not processed please search the internet for the part number for more details.\u003c\/p\u003e"}
