{"v":"2.0","page_type":"product","title":"E-L4981A 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":"E-L4981A","href":null}],"content":{"product":{"mpn":"E-L4981A","manufacturer":"STMicroelectronics","brand":"STMicroelectronics","brand_url":"/python/html6/menu_brand_products/1000/135000/menu_brand_products_STMicroelectronics_1_d96448e14f.html","title":"E-L4981A 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"},{"value":"STMICROELECTRONICS","url":"/python/html6/menu_attr_pair/1000/253000000/253625000/menu_attr_pair_Manufacturer_STMICROELECTRONICS_1_5143947066.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":"E-L4981A STMicroelectronics | Integrated Circuits (ICs) | DigiKey","url":"/python/html6/menu_attr_pair/1000/77000000/77211000/menu_attr_pair_ExtraProductName_EL4981ASTMicroelectronicsIntegratedCircuit_1_fbd5de4624.html"}],"name_url":"/python/html6/menu_attr_pair/1000/77000000/77211000/menu_attr_pair_ExtraProductName_EL4981ASTMicroelectronicsIntegratedCircuit_1_fbd5de4624.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":"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":"E-L4981A","url":"/python/html6/menu_attr_pair/1000/28000000/28335000/menu_attr_pair_MPN_EL4981A_1_b4bd25949d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/28000000/28335000/menu_attr_pair_MPN_EL4981A_1_b4bd25949d.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":"497-4560-ND","url":"/python/html6/menu_attr_pair/1000/219000000/219122000/menu_attr_pair_SKU_4974560ND_1_6bfd554f7c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/219000000/219122000/menu_attr_pair_SKU_4974560ND_1_6bfd554f7c.html"},{"name":"Part Number","values":[{"value":"E-L4981A","url":"/python/html6/menu_attr_pair/1000/267000000/267884000/menu_attr_pair_PartNumber_EL4981A_1_283982d61d.html"}],"name_url":"/python/html6/menu_attr_pair/1000/267000000/267884000/menu_attr_pair_PartNumber_EL4981A_1_283982d61d.html"},{"name":"Product Group","values":[{"value":"BISS","url":"/python/html6/menu_attr_pair/1000/214000000/214741000/menu_attr_pair_ProductGroup_BISS_1_152becbbad.html"}],"name_url":"/python/html6/menu_attr_pair/1000/214000000/214741000/menu_attr_pair_ProductGroup_BISS_1_152becbbad.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":"Part Status","values":[{"value":"Obsolete","url":"/python/html6/menu_attr_pair/1000/9000000/9928000/menu_attr_pair_PartStatus_Obsolete_1_a0246aad69.html"}],"name_url":"/python/html6/menu_attr_pair/1000/9000000/9928000/menu_attr_pair_PartStatus_Obsolete_1_a0246aad69.html"},{"name":"Mode","values":[{"value":"Average Current","url":"/python/html6/menu_attr_pair/1000/49000000/49231000/menu_attr_pair_Mode_AverageCurrent_1_efb4bbb257.html"}],"name_url":"/python/html6/menu_attr_pair/1000/49000000/49231000/menu_attr_pair_Mode_AverageCurrent_1_efb4bbb257.html"},{"name":"Frequency - Switching","values":[{"value":"100kHz","url":"/python/html6/menu_attr_pair/1000/209000000/209254000/menu_attr_pair_FrequencySwitching_100kHz_1_48b5184707.html"}],"name_url":"/python/html6/menu_attr_pair/1000/209000000/209254000/menu_attr_pair_FrequencySwitching_100kHz_1_48b5184707.html"},{"name":"Voltage - Supply","values":[{"value":"14.5V ~ 19.5V","url":"/python/html6/menu_attr_pair/1000/185000000/185252000/menu_attr_pair_VoltageSupply_145V195V_1_fcda81d558.html"}],"name_url":"/python/html6/menu_attr_pair/1000/185000000/185252000/menu_attr_pair_VoltageSupply_145V195V_1_fcda81d558.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":"Through Hole","url":"/python/html6/menu_attr_pair/1000/135000000/135284000/menu_attr_pair_MountingType_ThroughHole_1_322499c284.html"}],"name_url":"/python/html6/menu_attr_pair/1000/135000000/135284000/menu_attr_pair_MountingType_ThroughHole_1_322499c284.html"},{"name":"Package / Case","values":[{"value":"20-DIP (0.300\", 7.62mm)","url":"/python/html6/menu_attr_pair/1000/22000000/22250000/menu_attr_pair_PackageCase_20DIP0300762mm_1_62d97e9411.html"}],"name_url":"/python/html6/menu_attr_pair/1000/22000000/22250000/menu_attr_pair_PackageCase_20DIP0300762mm_1_62d97e9411.html"},{"name":"Supplier Device Package","values":[{"value":"20-DIP","url":"/python/html6/menu_attr_pair/1000/126000000/126520000/menu_attr_pair_SupplierDevicePackage_20DIP_1_bdfd1b571e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/126000000/126520000/menu_attr_pair_SupplierDevicePackage_20DIP_1_bdfd1b571e.html"},{"name":"Current - Startup","values":[{"value":"100 ?A","url":"/python/html6/menu_attr_pair/1000/100000000/100518000/menu_attr_pair_CurrentStartup_100A_1_ed63283967.html"}],"name_url":"/python/html6/menu_attr_pair/1000/100000000/100518000/menu_attr_pair_CurrentStartup_100A_1_ed63283967.html"},{"name":"Asin","values":[{"value":"B00MMY0J12","url":"/python/html6/menu_attr_pair/1000/106000000/106512000/menu_attr_pair_Asin_B00MMY0J12_1_5f5e51b023.html"}],"name_url":"/python/html6/menu_attr_pair/1000/106000000/106512000/menu_attr_pair_Asin_B00MMY0J12_1_5f5e51b023.html"},{"name":"Case","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/263000000/263815000/menu_attr_pair_Case_1_1_4de75d695a.html"}],"name_url":"/python/html6/menu_attr_pair/1000/263000000/263815000/menu_attr_pair_Case_1_1_4de75d695a.html"},{"name":"Cat","values":[{"value":"Industrial & Scientific","url":"/python/html6/menu_attr_pair/1000/32000000/32294000/menu_attr_pair_Cat_IndustrialScientific_1_c583162a01.html"}],"name_url":"/python/html6/menu_attr_pair/1000/32000000/32294000/menu_attr_pair_Cat_IndustrialScientific_1_c583162a01.html"},{"name":"CatId","values":[{"value":"16310091","url":"/python/html6/menu_attr_pair/1000/21000000/21946000/menu_attr_pair_CatId_16310091_1_0f77fb0abe.html"}],"name_url":"/python/html6/menu_attr_pair/1000/21000000/21946000/menu_attr_pair_CatId_16310091_1_0f77fb0abe.html"},{"name":"CatTree","values":[{"value":"16310091","url":"/python/html6/menu_attr_pair/1000/161000000/161570000/menu_attr_pair_CatTree_16310091_1_b11243d9cb.html"},{"value":"16310161","url":"/python/html6/menu_attr_pair/1000/167000000/167650000/menu_attr_pair_CatTree_16310161_1_0db56bb8c8.html"},{"value":"306506011","url":"/python/html6/menu_attr_pair/1000/199000000/199108000/menu_attr_pair_CatTree_306506011_1_e6522cd8a9.html"}],"name_url":"/python/html6/menu_attr_pair/1000/161000000/161570000/menu_attr_pair_CatTree_16310091_1_b11243d9cb.html"},{"name":"Label","values":[{"value":"STMICROELECTRONICS","url":"/python/html6/menu_attr_pair/1000/251000000/251416000/menu_attr_pair_Label_STMICROELECTRONICS_1_13a645e865.html"}],"name_url":"/python/html6/menu_attr_pair/1000/251000000/251416000/menu_attr_pair_Label_STMICROELECTRONICS_1_13a645e865.html"},{"name":"Man","values":[{"value":"STMICROELECTRONICS","url":"/python/html6/menu_attr_pair/1000/82000000/82681000/menu_attr_pair_Man_STMICROELECTRONICS_1_5aa5d81cc0.html"}],"name_url":"/python/html6/menu_attr_pair/1000/82000000/82681000/menu_attr_pair_Man_STMICROELECTRONICS_1_5aa5d81cc0.html"},{"name":"PackageQuantity","values":[{"value":"1","url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"}],"name_url":"/python/html6/menu_attr_pair/1000/23000000/23398000/menu_attr_pair_PackageQuantity_1_1_27a474ef3f.html"},{"name":"PartNumber","values":[{"value":"E-L4981A","url":"/python/html6/menu_attr_pair/1000/163000000/163492000/menu_attr_pair_PartNumber_EL4981A_1_7c83e6cffd.html"}],"name_url":"/python/html6/menu_attr_pair/1000/163000000/163492000/menu_attr_pair_PartNumber_EL4981A_1_7c83e6cffd.html"},{"name":"ProductGroup","values":[{"value":"BISS","url":"/python/html6/menu_attr_pair/1000/136000000/136946000/menu_attr_pair_ProductGroup_BISS_1_96cddee76e.html"}],"name_url":"/python/html6/menu_attr_pair/1000/136000000/136946000/menu_attr_pair_ProductGroup_BISS_1_96cddee76e.html"},{"name":"ProductTypeName","values":[{"value":"ELECTRONIC_COMPONENT","url":"/python/html6/menu_attr_pair/1000/116000000/116613000/menu_attr_pair_ProductTypeName_ELECTRONICCOMPONENT_1_6ac1266c5c.html"}],"name_url":"/python/html6/menu_attr_pair/1000/116000000/116613000/menu_attr_pair_ProductTypeName_ELECTRONICCOMPONENT_1_6ac1266c5c.html"},{"name":"Publisher","values":[{"value":"STMICROELECTRONICS","url":"/python/html6/menu_attr_pair/1000/230000000/230819000/menu_attr_pair_Publisher_STMICROELECTRONICS_1_9a2ef63779.html"}],"name_url":"/python/html6/menu_attr_pair/1000/230000000/230819000/menu_attr_pair_Publisher_STMICROELECTRONICS_1_9a2ef63779.html"},{"name":"Studio","values":[{"value":"STMICROELECTRONICS","url":"/python/html6/menu_attr_pair/1000/118000000/118273000/menu_attr_pair_Studio_STMICROELECTRONICS_1_587c744b22.html"}],"name_url":"/python/html6/menu_attr_pair/1000/118000000/118273000/menu_attr_pair_Studio_STMICROELECTRONICS_1_587c744b22.html"},{"name":"Title","values":[{"value":"STMICROELECTRONICS E-L4981A IC, PFC, 19.5V, DIP-20 (1 piece)","url":"/python/html6/menu_attr_pair/1000/130000000/130385000/menu_attr_pair_Title_STMICROELECTRONICSEL4981AICPFC195VDIP201pi_1_95083e5fad.html"}],"name_url":"/python/html6/menu_attr_pair/1000/130000000/130385000/menu_attr_pair_Title_STMICROELECTRONICSEL4981AICPFC195VDIP201pi_1_95083e5fad.html"}],"images":[],"distributors":[{"name":"Digi-Key","sku":"497-4560-ND","url":"https://www.digikey.com/product-detail/en/stmicroelectronics/E-L4981A/497-4560-ND/806386","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://media.digikey.com/photos/STMicro%20Photos/497-20-DIP%20(300%20MIL)(NARROW%20PDIP%20MDIP)%20SERIES.JPG"},{"name":"Newark","sku":"24M1660","url":"http://www.newark.com/stmicroelectronics/e-l4981a/ic-pfc-19-5v-dip-20/dp/24M1660","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"http://www.newark.com/productimages/large/en_US/4882753.jpg"},{"name":"TME","sku":"L4981A","url":"https://www.tme.com/us/en-us/details/l4981a/voltage-regulators-dc-dc-circuits/st-microelectronics/e-l4981a/","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1,"image":"https://www.dataalchemy.com/python/getu/bab522e3-8227-492b-88b1-62260cba1655"},{"name":"4 Star Electronics","sku":"EL4981A","url":"https://www.4starelectronics.com/part_detail/EL4981A.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":"Digi-Key","sku":"806386","url":"https://www.digikey.com/en/products/detail/stmicroelectronics/E-L4981A/806386","pricing":[],"stock":{"available":false,"quantity":null,"lead_time_days":null},"moq":1,"multiple":1}],"amazon":{"available":true,"products":[{"asin":"B00MMY0J12","title":"STMICROELECTRONICS E-L4981A IC, PFC, 19.5V, DIP-20 (1 piece)","brand":"","image":"","url":"https://www.amazon.com/gp/offer-listing/B00MMY0J12?SubscriptionId=AKIAJUC7L3EBZMYIFTXQ&tag=chad&linkCode=xm2&camp=2025&creative=386001&creativeASIN=B00MMY0J12"}]},"metadata":{"generated_date":"2026-09-16","last_updated":"2026-09-16","data_sources":["4 Star Electronics","Digi-Key","Newark","TME","Amazon"],"completeness":1.0,"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"}}