{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRFB7440PBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRFB7440PBF","canonicalUrl":"https://icboms.com/infineon/IRFB7440PBF","factsUrl":"https://icboms.com/api/mcp/products/IRFB7440PBF","rawCanonicalId":null},"summary":{"shortDescription":"Infineon IRFB7440PBF, HEXFET® StrongIRFET™ series, N-Channel MOSFET, 40V Vdss, 120A Id, 2.5mOhm Rds(on), 135nC Qg, TO-220AB, -55°C to 175°C.","salesMarkdown":"## 2.5 mOhm Rds(on) — the conduction-loss floor for a 40 V switch The Infineon IRFB7440PBF is an N-channel MOSFET from the HEXFET® and StrongIRFET™ series, built for high-current switching where low on-resistance is the dominant selection criterion. ## 120 A continuous drain — sizing the output stage Continuous drain current is rated 120 A at a case temperature of 25 °C, with a maximum power dissipation of 143 W. ## Gate charge and drive voltage Total gate charge is 135 nC at 10 V, with the Rds(on) specified at both 6 V and 10 V drive levels. A 10 V gate drive delivers the full 2.5 mOhm on-resistance; a 6 V rail is usable but the on-resistance will be higher.","metaTitle":"IRFB7440PBF HEXFET N-Channel MOSFET, 40V 120A TO-220AB","metaDescription":"IRFB7440PBF N-channel MOSFET, 40V Vdss, 120A Id, 2.5 mOhm Rds(on) at 10V. Active production, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"HEXFET®, StrongIRFET™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Series":"HEXFET®, StrongIRFET™","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","Mounting Type":"Through Hole","Package / Case":"TO-220-3","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"3.9V @ 100µA","Operating Temperature":"-55°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"2.5mOhm @ 100A, 10V","Power Dissipation (Max)":"143W (Tc)","Supplier Device Package":"TO-220AB","Gate Charge (Qg) (Max) @ Vgs":"135 nC @ 10 V","Drain to Source Voltage (Vdss)":"40 V","Input Capacitance (Ciss) (Max) @ Vds":"4730 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"6V, 10V","Current - Continuous Drain (Id) @ 25°C":"120A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.9","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$1.90000","currency":"USD"},{"qty":10,"price":"$1.69500","currency":"USD"},{"qty":100,"price":"$1.32170","currency":"USD"},{"qty":500,"price":"$1.09184","currency":"USD"},{"qty":1000,"price":"$0.86198","currency":"USD"},{"qty":2000,"price":"$0.80452","currency":"USD"},{"qty":5000,"price":"$0.76429","currency":"USD"},{"qty":10000,"price":"$0.74955","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/890b9e4aba34fee138f754ae31a4c18b.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is IRFB7440PBF RoHS compliant?","answer":"Yes, the IRFB7440PBF is ROHS3 compliant."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRFB7440PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRFB7440PBF 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}}