{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRFB7434PBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRFB7434PBF","canonicalUrl":"https://icboms.com/infineon/IRFB7434PBF","factsUrl":"https://icboms.com/api/mcp/products/IRFB7434PBF","rawCanonicalId":null},"summary":{"shortDescription":"IRFB7434PBF, HEXFET® StrongIRFET™, N-Channel MOSFET, 40V Vdss, 195A Id, 1.6 mOhm Rds(on) at 10V, 324 nC Qg, TO-220AB, -55°C to 175°C.","salesMarkdown":"For a switching frequency of 50 kHz, the average gate-drive current is Qg × f = 16.2 mA, but the peak current during the Miller plateau determines the switching speed. A driver capable of 2 A to 4 A peak source/sink is typical to keep switching losses in check. ## 175 °C junction — extended thermal headroom This gives extra margin in high-ambient environments such as under-hood automotive, server power supplies, and industrial motor drives where the case temperature may approach 100 °C. For production BOMs, this reduces the supply-chain risk of a sudden discontinuation. ## TO-220AB — the through-hole footprint for high-current routing Housed in a TO-220-3 (TO-220AB) through-hole package, the IRFB7434PBF suits designs where the PCB copper cannot carry the full drain current on a surface-mount land pattern. The through-hole leads and exposed metal tab allow direct heatsink attachment with a screw or clip. The gate threshold voltage is specified at 3.9 V maximum at 250 µA drain current, ensuring compatibility with 5 V logic and 10 V gate-drive levels.","metaTitle":"IRFB7434PBF MOSFET N-CH 40V 195A TO-220AB, 1.6 mOhm Rds(on)","metaDescription":"IRFB7434PBF N-channel MOSFET, 40V Vdss, 195A continuous drain, 1.6 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 @ 250µA","Operating Temperature":"-55°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"1.6mOhm @ 100A, 10V","Power Dissipation (Max)":"294W (Tc)","Supplier Device Package":"TO-220AB","Gate Charge (Qg) (Max) @ Vgs":"324 nC @ 10 V","Drain to Source Voltage (Vdss)":"40 V","Input Capacitance (Ciss) (Max) @ Vds":"10820 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"6V, 10V","Current - Continuous Drain (Id) @ 25°C":"195A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.0","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$3.00000","currency":"USD"},{"qty":10,"price":"$2.69900","currency":"USD"},{"qty":100,"price":"$2.16900","currency":"USD"},{"qty":500,"price":"$1.78206","currency":"USD"},{"qty":1000,"price":"$1.48505","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/280077ab2182be3c64d05cdedcc73e31.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the Rds(on) of IRFB7434PBF?","answer":"The maximum Rds(on) is 1.6 mOhm at a drain current of 100 A and a gate-to-source voltage of 10 V."},{"question":"What is the gate charge of IRFB7434PBF?","answer":"The maximum total gate charge is 324 nC at a gate voltage of 10 V."},{"question":"What package is IRFB7434PBF?","answer":"The IRFB7434PBF is supplied in a TO-220-3 through-hole package, also designated TO-220AB."},{"question":"Is IRFB7434PBF lead-free?","answer":"Yes, the IRFB7434PBF is ROHS3 compliant, which restricts lead and other hazardous substances."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRFB7434PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRFB7434PBF 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}}