{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"STD44N4LF6","brand":"STMicroelectronics","brandSlug":"stmicroelectronics","productSlug":"STD44N4LF6","canonicalUrl":"https://icboms.com/stmicroelectronics/STD44N4LF6","factsUrl":"https://icboms.com/api/mcp/products/STD44N4LF6","rawCanonicalId":null},"summary":{"shortDescription":"STMicroelectronics DeepGATE™ STripFET™ VI N-Channel MOSFET, 40 V Vdss, 44 A Id, 12.5 mOhm Rds(on), DPAK surface-mount, Tape & Reel.","salesMarkdown":"## 40 V / 44 A N-channel — conduction loss and gate-drive budget The STD44N4LF6: The -55 to 175 °C junction range covers under-hood automotive and industrial enclosures where ambient heat soaks the PCB — the Rds(on) doubles at 175 °C, so the 12.5 mOhm room-temperature figure should be derated by the typical 1.7× temperature coefficient for hot-operation loss estimates.","metaTitle":"STD44N4LF6 MOSFET N-CH 40V 44A DPAK, STMicroelectronics","metaDescription":"STD44N4LF6 N-channel MOSFET, 40 V Vdss, 44 A Id, 12.5 mOhm Rds(on) at 20 A. DPAK surface-mount. Active production, ROHS3 compliant. Sourced to order.","metaKeywords":null},"attributes":{"series":"DeepGATE™, STripFET™ VI","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"STMicroelectronics","Series":"DeepGATE™, STripFET™ VI","Package":"Tape & Reel (TR); Cut Tape (CT)","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Surface Mount","Package / Case":"TO-252-3, DPak (2 Leads + Tab), SC-63","Product Status":"Active","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"2.5V @ 250µA","Base Product Number":"STD44","Operating Temperature":"-55°C~175°C(TJ)","Rds On (Max) @ Id, Vgs":"12.5mOhm @ 20A, 10V","Power Dissipation (Max)":"50W (Tc)","Supplier Device Package":"DPAK","Gate Charge (Qg) (Max) @ Vgs":"22 nC @ 10 V","Drain to Source Voltage (Vdss)":"40 V","Input Capacitance (Ciss) (Max) @ Vds":"1190 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"5V, 10V","Current - Continuous Drain (Id) @ 25°C":"44A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.5400","priceTiers":[{"qty":1,"price":"$1.54000","currency":"USD"},{"qty":10,"price":"$1.37600","currency":"USD"},{"qty":100,"price":"$1.07270","currency":"USD"},{"qty":500,"price":"$0.88616","currency":"USD"},{"qty":1000,"price":"$0.77000","currency":"USD"},{"qty":2500,"price":"$0.77000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/7f37b1c2f7acea1085d8563601c4efb6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/STD44N4LF6/alternatives.json"},"ai":{"faq":[{"question":"What is the closest functional second-source for STD44N4LF6?","answer":"The STD80N3LL (30 V, 80 A, 5.2 mOhm) and STD80N4F6 (40 V, 80 A, 6 mOhm) share the same DPAK package and N-channel polarity, but their higher current rating and lower Rds(on) target different design points. The STD44N4LF6 is the cost-optimized 44 A option in the same footprint."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/stmicroelectronics/STD44N4LF6","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/stmicroelectronics/STD44N4LF6 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}