{"v":"2.0","page_type":"product","title":"L4949ED STMicroelectronics | Integrated Circuits (ICs) | DigiKey","breadcrumbs":[{"label":"Home","href":"/python/html6/index.html"},{"label":"Brands","href":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html"},{"label":"STMicroelectronics","href":"/python/html6/menu_brand_products/1000/135000/menu_brand_products_STMicroelectronics_1_d96448e14f.html"},{"label":"L4949ED","href":null}],"content":{"product":{"mpn":"L4949ED","manufacturer":"STMicroelectronics","brand":"STMicroelectronics","brand_url":"/python/html6/menu_brand_products/1000/135000/menu_brand_products_STMicroelectronics_1_d96448e14f.html","title":"L4949ED STMicroelectronics | Integrated Circuits (ICs) | DigiKey","description":"","attributes":[{"name":"Brand name","values":[{"value":"STMicroelectronics","url":"/python/html6/menu_attr_pair/1000/140000000/140210000/menu_attr_pair_Brandname_STMicroelectronics_1_04be09c488.html"}],"name_url":"/python/html6/menu_attr_pair/1000/140000000/140210000/menu_attr_pair_Brandname_STMicroelectronics_1_04be09c488.html"},{"name":"Manufacturer name","values":[{"value":"STMicroelectronics","url":"/python/html6/menu_attr_pair/1000/70000000/70657000/menu_attr_pair_Manufacturername_STMicroelectronics_1_527772079f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/70000000/70657000/menu_attr_pair_Manufacturername_STMicroelectronics_1_527772079f.html"},{"name":"Manufacturer","values":[{"value":"STMicroelectronics","url":"/python/html6/menu_attr_pair/1000/253000000/253625000/menu_attr_pair_Manufacturer_STMicroelectronics_1_bf889b3ea9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/253000000/253625000/menu_attr_pair_Manufacturer_STMicroelectronics_1_bf889b3ea9.html"},{"name":"Extra Product Name","values":[{"value":"L4949ED STMicroelectronics | Integrated Circuits (ICs) | DigiKey","url":"/python/html6/menu_attr_pair/1000/245000000/245820000/menu_attr_pair_ExtraProductName_L4949EDSTMicroelectronicsIntegratedCircuit_1_9b99653e8f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/245000000/245820000/menu_attr_pair_ExtraProductName_L4949EDSTMicroelectronicsIntegratedCircuit_1_9b99653e8f.html"},{"name":"atoms","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/170000000/170257000/menu_attr_pair_atoms_1_1_fa25edd0e2.html"}],"name_url":"/python/html6/menu_attr_pair/1000/170000000/170257000/menu_attr_pair_atoms_1_1_fa25edd0e2.html"},{"name":"extraShipping","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/258000000/258584000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"}],"name_url":"/python/html6/menu_attr_pair/1000/258000000/258584000/menu_attr_pair_extraShipping_0_1_bd4d53cdf7.html"},{"name":"moq","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/164000000/164262000/menu_attr_pair_moq_1_1_29ca727a89.html"},{"name":"MPN","values":[{"value":"L4949ED","url":"/python/html6/menu_attr_pair/1000/15000000/15789000/menu_attr_pair_MPN_L4949ED_1_d299c41ff4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/15000000/15789000/menu_attr_pair_MPN_L4949ED_1_d299c41ff4.html"},{"name":"multiple","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"}],"name_url":"/python/html6/menu_attr_pair/1000/257000000/257999000/menu_attr_pair_multiple_1_1_2f60c1bab8.html"},{"name":"qtyInStock","values":[{"value":"0","url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"}],"name_url":"/python/html6/menu_attr_pair/1000/119000000/119332000/menu_attr_pair_qtyInStock_0_1_38510c9e21.html"},{"name":"SKU","values":[{"value":"1663350","url":"/python/html6/menu_attr_pair/1000/191000000/191022000/menu_attr_pair_SKU_1663350_1_1043ba666c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/191000000/191022000/menu_attr_pair_SKU_1663350_1_1043ba666c.html"},{"name":"snippet","values":[{"value":"Linear Voltage Regulator IC Positive Fixed 1 Output 100mA 8-SOIC","url":"/python/html6/menu_attr_pair/1000/265000000/265439000/menu_attr_pair_snippet_LinearVoltageRegulatorICPositiveFixed1Outp_1_f905d01234.html"}],"name_url":"/python/html6/menu_attr_pair/1000/265000000/265439000/menu_attr_pair_snippet_LinearVoltageRegulatorICPositiveFixed1Outp_1_f905d01234.html"},{"name":"Category","values":[{"value":"Integrated Circuits (ICs)","url":"/python/html6/menu_attr_pair/1000/204000000/204272000/menu_attr_pair_Category_IntegratedCircuitsICs_1_275d5152dd.html"}],"name_url":"/python/html6/menu_attr_pair/1000/204000000/204272000/menu_attr_pair_Category_IntegratedCircuitsICs_1_275d5152dd.html"},{"name":"Mfr","values":[{"value":"STMicroelectronics","url":"/python/html6/menu_attr_pair/1000/24000000/24221000/menu_attr_pair_Mfr_STMicroelectronics_1_d6d9aefc89.html"}],"name_url":"/python/html6/menu_attr_pair/1000/24000000/24221000/menu_attr_pair_Mfr_STMicroelectronics_1_d6d9aefc89.html"},{"name":"Series","values":[{"value":"-","url":"/python/html6/menu_attr_pair/1000/82000000/82399000/menu_attr_pair_Series_unknown_1_420ccc4cfd.html"}],"name_url":"/python/html6/menu_attr_pair/1000/82000000/82399000/menu_attr_pair_Series_unknown_1_420ccc4cfd.html"},{"name":"Package","values":[{"value":"Tube","url":"/python/html6/menu_attr_pair/1000/118000000/118988000/menu_attr_pair_Package_Tube_1_b4255f3ace.html"}],"name_url":"/python/html6/menu_attr_pair/1000/118000000/118988000/menu_attr_pair_Package_Tube_1_b4255f3ace.html"},{"name":"Product Status","values":[{"value":"Obsolete","url":"/python/html6/menu_attr_pair/1000/190000000/190762000/menu_attr_pair_ProductStatus_Obsolete_1_e796775a3e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/190000000/190762000/menu_attr_pair_ProductStatus_Obsolete_1_e796775a3e.html"},{"name":"Output Configuration","values":[{"value":"Positive","url":"/python/html6/menu_attr_pair/1000/10000000/10215000/menu_attr_pair_OutputConfiguration_Positive_1_ae32912030.html"}],"name_url":"/python/html6/menu_attr_pair/1000/10000000/10215000/menu_attr_pair_OutputConfiguration_Positive_1_ae32912030.html"},{"name":"Output Type","values":[{"value":"Fixed","url":"/python/html6/menu_attr_pair/1000/83000000/83196000/menu_attr_pair_OutputType_Fixed_1_fb8048919e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/83000000/83196000/menu_attr_pair_OutputType_Fixed_1_fb8048919e.html"},{"name":"Number of Regulators","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/78000000/78882000/menu_attr_pair_NumberofRegulators_1_1_e80ac73dd1.html"}],"name_url":"/python/html6/menu_attr_pair/1000/78000000/78882000/menu_attr_pair_NumberofRegulators_1_1_e80ac73dd1.html"},{"name":"Voltage - Input (Max)","values":[{"value":"28V","url":"/python/html6/menu_attr_pair/1000/125000000/125949000/menu_attr_pair_VoltageInputMax_28V_1_c682456690.html"}],"name_url":"/python/html6/menu_attr_pair/1000/125000000/125949000/menu_attr_pair_VoltageInputMax_28V_1_c682456690.html"},{"name":"Voltage - Output (Min/Fixed)","values":[{"value":"5V","url":"/python/html6/menu_attr_pair/1000/265000000/265295000/menu_attr_pair_VoltageOutputMinFixed_5V_1_f2fa5ed7b9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/265000000/265295000/menu_attr_pair_VoltageOutputMinFixed_5V_1_f2fa5ed7b9.html"},{"name":"Voltage - Output (Max)","values":[{"value":"-","url":"/python/html6/menu_attr_pair/1000/242000000/242422000/menu_attr_pair_VoltageOutputMax_unknown_1_9038d942a4.html"}],"name_url":"/python/html6/menu_attr_pair/1000/242000000/242422000/menu_attr_pair_VoltageOutputMax_unknown_1_9038d942a4.html"},{"name":"Voltage Dropout (Max)","values":[{"value":"0.5V @ 100mA","url":"/python/html6/menu_attr_pair/1000/23000000/23377000/menu_attr_pair_VoltageDropoutMax_05V100mA_1_477065348a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/23000000/23377000/menu_attr_pair_VoltageDropoutMax_05V100mA_1_477065348a.html"},{"name":"Current - Output","values":[{"value":"100mA","url":"/python/html6/menu_attr_pair/1000/252000000/252059000/menu_attr_pair_CurrentOutput_100mA_1_25b41920ab.html"}],"name_url":"/python/html6/menu_attr_pair/1000/252000000/252059000/menu_attr_pair_CurrentOutput_100mA_1_25b41920ab.html"},{"name":"Current - Quiescent (Iq)","values":[{"value":"300 ?A","url":"/python/html6/menu_attr_pair/1000/225000000/225623000/menu_attr_pair_CurrentQuiescentIq_300A_1_7d0d8b637d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/225000000/225623000/menu_attr_pair_CurrentQuiescentIq_300A_1_7d0d8b637d.html"},{"name":"Current - Supply (Max)","values":[{"value":"5 mA","url":"/python/html6/menu_attr_pair/1000/99000/menu_attr_pair_CurrentSupplyMax_5mA_1_8baa1de839.html"}],"name_url":"/python/html6/menu_attr_pair/1000/99000/menu_attr_pair_CurrentSupplyMax_5mA_1_8baa1de839.html"},{"name":"PSRR","values":[{"value":"-","url":"/python/html6/menu_attr_pair/1000/31000000/31543000/menu_attr_pair_PSRR_unknown_1_666bc81bf5.html"}],"name_url":"/python/html6/menu_attr_pair/1000/31000000/31543000/menu_attr_pair_PSRR_unknown_1_666bc81bf5.html"},{"name":"Control Features","values":[{"value":"Reset Output","url":"/python/html6/menu_attr_pair/1000/239000000/239139000/menu_attr_pair_ControlFeatures_ResetOutput_1_1dc78a021c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/239000000/239139000/menu_attr_pair_ControlFeatures_ResetOutput_1_1dc78a021c.html"},{"name":"Protection Features","values":[{"value":"Over Temperature, Short Circuit","url":"/python/html6/menu_attr_pair/1000/165000000/165540000/menu_attr_pair_ProtectionFeatures_OverTemperatureShortCircuit_1_3e0b905501.html"}],"name_url":"/python/html6/menu_attr_pair/1000/165000000/165540000/menu_attr_pair_ProtectionFeatures_OverTemperatureShortCircuit_1_3e0b905501.html"},{"name":"Operating Temperature","values":[{"value":"-40?C ~ 125?C","url":"/python/html6/menu_attr_pair/1000/16000000/16765000/menu_attr_pair_OperatingTemperature_40C125C_1_55e6712738.html"}],"name_url":"/python/html6/menu_attr_pair/1000/16000000/16765000/menu_attr_pair_OperatingTemperature_40C125C_1_55e6712738.html"},{"name":"Mounting Type","values":[{"value":"Surface Mount","url":"/python/html6/menu_attr_pair/1000/133000000/133047000/menu_attr_pair_MountingType_SurfaceMount_1_2b547b73a9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/133000000/133047000/menu_attr_pair_MountingType_SurfaceMount_1_2b547b73a9.html"},{"name":"Package / Case","values":[{"value":"8-SOIC (0.154\", 3.90mm Width)","url":"/python/html6/menu_attr_pair/1000/177000000/177273000/menu_attr_pair_PackageCase_8SOIC0154390mmWidth_1_e51f56dc64.html"}],"name_url":"/python/html6/menu_attr_pair/1000/177000000/177273000/menu_attr_pair_PackageCase_8SOIC0154390mmWidth_1_e51f56dc64.html"},{"name":"Supplier Device Package","values":[{"value":"8-SOIC","url":"/python/html6/menu_attr_pair/1000/156000000/156755000/menu_attr_pair_SupplierDevicePackage_8SOIC_1_e09f48ecf5.html"}],"name_url":"/python/html6/menu_attr_pair/1000/156000000/156755000/menu_attr_pair_SupplierDevicePackage_8SOIC_1_e09f48ecf5.html"},{"name":"Base Product Number","values":[{"value":"L4949","url":"/python/html6/menu_attr_pair/1000/90000000/90257000/menu_attr_pair_BaseProductNumber_L4949_1_55e1a96dd5.html"}],"name_url":"/python/html6/menu_attr_pair/1000/90000000/90257000/menu_attr_pair_BaseProductNumber_L4949_1_55e1a96dd5.html"}],"images":[],"distributors":[{"name":"Digi-Key","sku":"1663350","url":"https://www.digikey.com/en/products/detail/stmicroelectronics/L4949ED/1663350","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1},{"name":"iodParts","sku":"L4949ED","url":"https://www.iodparts.com/part/l4949ed","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1},{"name":"Win Source","sku":"L4949ED","url":"https://www.win-source.net/pmic-voltage-regulators-linear-l4949ed.html","pricing":[],"stock":{"available":true,"quantity":53049,"lead_time_days":0},"moq":1,"multiple":1},{"name":"Hotenda","sku":"H2824412","url":"http://www.hotenda.com/product-item/pmic-voltage-regulators-linear-ldo/L4949ED/H2824412.html","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1},{"name":"TME","sku":"L4949ED-SMD","url":"https://www.tme.com/us/en-us/details/l4949ed-smd/ldo-unregulated-voltage-regulators/st-microelectronics/l4949ed/","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.dataalchemy.com/python/getu/0196d0ed-4d89-47dc-ac02-0a853d9ed3e5"},{"name":"4 Star Electronics","sku":"L4949ED","url":"https://www.4starelectronics.com/part_detail/L4949ED.html","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.dataalchemy.com/python/getu/2347e0d1-9ec7-4477-80a1-a93ee555f8c2"},{"name":"TME","sku":"L4949E","url":"https://www.tme.com/us/en-us/details/l4949e/unregulated-voltage-regulators/st-microelectronics/l4949ed/","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://ce8dc832c.cloudimg.io/v7/_cdn_/7E/C3/20/00/0/146663_1.jpg?width=640&height=480&ci_sign=add8154c50a0525d67e96d4ab93338cc4e803a9e"}],"amazon":{"available":false,"products":[]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["4 Star Electronics","Digi-Key","Hotenda","TME","Win Source","iodParts"],"completeness":0.85,"version":"1.2"}}},"pagination":null,"nav":{"home":"/python/html6/index.html","brands":"/python/html6/menu_brand_index/menu_brand_index_brands_87101ba214.html","parts":"/python/html6/menu_part_index/menu_part_index_parts_909e6bf0ca.html","attributes":"/python/html6/menu_attr_index/menu_attr_index_attributes_d7f67a250d.html"}}