{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BUK7108-40AIE,118","brand":"NXP Semiconductors","brandSlug":"nxp","productSlug":"BUK7108-40AIE118","canonicalUrl":"https://icboms.com/nxp/BUK7108-40AIE118","factsUrl":"https://icboms.com/api/mcp/products/BUK7108-40AIE%2C118","rawCanonicalId":null},"summary":{"shortDescription":"NXP BUK7108-40AIE,118, Automotive AEC-Q101 TrenchMOS N-Channel MOSFET, 40 V Vdss, 75 A Id, 8 mOhm Rds(on) at 10 V, TO-263-5 (D²Pak), -55°C to 175°C.","salesMarkdown":"## 40 V, 75 A N-channel TrenchMOS with integrated current sense The device is qualified to AEC-Q101, making it suitable for under-hood and chassis-domain automotive applications such as electric power steering, engine cooling fans, and DC motor drives. ## What the 8 mOhm Rds(on) means for your BOM The 84 nC typical gate charge at 10 V means the driver needs to source and sink enough peak current to switch the gate quickly; a standard automotive gate-driver IC with 2 A to 4 A peak output handles it cleanly. The 3140 pF input capacitance at 25 V drain-source also informs the switching speed and driver sizing. ## Integrated current-sensing FET — no external shunt needed A distinguishing feature of this part is the integrated current-sensing FET (marked as FET Feature: Current Sensing). This allows the designer to monitor load current by measuring the voltage across a small sense resistor in the source leg of the sense FET, eliminating the power dissipation and board area of a conventional high-current shunt resistor. For automotive loads where overcurrent detection or closed-loop current control is required, this feature simplifies the bill of materials and reduces PCB thermal stress. ## Package and mounting: D²Pak (TO-263-5) with exposed tab The part comes in a TO-263-5 (D²Pak) surface-mount package with four leads plus a large exposed drain tab (SOT-426 equivalent). ## Temperature range and automotive qualification The AEC-Q101 qualification means the part has passed the stress tests required for automotive-grade components: high-temperature reverse bias, temperature cycling, and humidity bias.","metaTitle":"BUK7108-40AIE,118 N-Channel MOSFET, 40V 75A, 8mOhm, AEC-Q101","metaDescription":"NXP BUK7108-40AIE,118 automotive N-channel TrenchMOS MOSFET: 40V Vdss, 75A Id, 8mOhm Rds(on) at 10V, AEC-Q101, current-sensing feature.","metaKeywords":null},"attributes":{"series":"Automotive, AEC-Q101, TrenchMOS™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Logic ICs"],"specifications":{"Series":"Automotive, AEC-Q101, TrenchMOS™","Package":"Bulk","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","FET Feature":"Current Sensing","Mounting Type":"Surface Mount","Package / Case":"TO-263-5, D²Pak (4 Leads + Tab), TO-263BB","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"4V @ 1mA","Operating Temperature":"-55°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"8mOhm @ 50A, 10V","Power Dissipation (Max)":"221W (Tc)","Supplier Device Package":"SOT-426","Gate Charge (Qg) (Max) @ Vgs":"84 nC @ 10 V","Drain to Source Voltage (Vdss)":"40 V","Input Capacitance (Ciss) (Max) @ Vds":"3140 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"75A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.75","stockQuantity":0,"priceTiers":[{"qty":401,"price":"$0.75000","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/86af8f8c9f6cb0fc85f7b0dba659a878.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the Rds(on) of BUK7108-40AIE,118?","answer":"The maximum Rds(on) is 8 mOhm at a drain current of 50 A and a gate-source voltage of 10 V."},{"question":"Does BUK7108-40AIE,118 have current sensing?","answer":"Yes, the FET feature includes current sensing, which allows load current monitoring without an external high-power shunt resistor."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/nxp/BUK7108-40AIE118","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/nxp/BUK7108-40AIE118 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}