{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRFP4229PBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRFP4229PBF","canonicalUrl":"https://icboms.com/infineon/IRFP4229PBF","factsUrl":"https://icboms.com/api/mcp/products/IRFP4229PBF","rawCanonicalId":null},"summary":{"shortDescription":"Infineon HEXFET® IRFP4229PBF N-Channel MOSFET, 250 V drain-source, 44 A continuous drain current, 46 mOhm max on-resistance at 10 V gate drive, TO-247-3 through-hole package, -40°C to 175°C junction temperature.","salesMarkdown":"## 250 V, 44 A — where this HEXFET fits The 310 W power dissipation capability at the case tells you this part needs a heatsink — the TO-247AC package with a screw-mount tab is designed for a thermal interface to a metal chassis or extruded aluminium sink. ## Gate drive budget — 110 nC at 10 V Total gate charge is 110 nC at 10 V gate drive. A 1 A gate driver can charge that gate in about 110 ns, allowing switching frequencies up to roughly 100 kHz before gate-drive losses become significant. The 4560 pF input capacitance at 25 V drain-source confirms the driver must source a healthy peak current for fast edges. The 5 V threshold at 250 µA drain current is a maximum — the part turns on fully with 10 V drive, and the gate is rated for ±30 V maximum, so a standard 12 V or 15 V gate drive rail is safe. ROHS3 compliant — lead-free solderable. ## Swap it in the field Through-hole TO-247-3 package — three leads and a mounting tab. No fine-pitch soldering, no hot-air station. On site, with a soldering iron and a screwdriver, you can pull the old device and drop this one in. The tab is the drain; the gate and source are the two smaller pins. Orientation is obvious from the package outline — the tab is on one side, the pins on the other. Is it in the kit? It should be, if you service 250 V bus equipment.","metaTitle":"IRFP4229PBF HEXFET N-Channel MOSFET, 250 V, 44 A, 46 mOhm","metaDescription":"Infineon IRFP4229PBF N-channel HEXFET MOSFET: 250 Vdss, 44 A continuous, 46 mOhm Rds(on) at 10 V. TO-247AC package. Active production.","metaKeywords":null},"attributes":{"series":"HEXFET®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Series":"HEXFET®","Package":"Tube","FET Type":"N-Channel","Vgs (Max)":"±30V","Technology":"MOSFET (Metal Oxide)","Mounting Type":"Through Hole","Package / Case":"TO-247-3","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"5V @ 250µA","Operating Temperature":"-40°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"46mOhm @ 26A, 10V","Power Dissipation (Max)":"310W (Tc)","Supplier Device Package":"TO-247AC","Gate Charge (Qg) (Max) @ Vgs":"110 nC @ 10 V","Drain to Source Voltage (Vdss)":"250 V","Input Capacitance (Ciss) (Max) @ Vds":"4560 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"44A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$5.13","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$5.13000","currency":"USD"},{"qty":10,"price":"$4.31100","currency":"USD"},{"qty":100,"price":"$3.48730","currency":"USD"},{"qty":500,"price":"$3.09982","currency":"USD"},{"qty":1000,"price":"$2.65421","currency":"USD"},{"qty":2000,"price":"$2.49923","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/fc4241ae4a26f04700e3b21479ae74b9.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is IRFP4229PBF obsolete or active?","answer":"The part is listed as active by Infineon."},{"question":"What is the Rds(on) of IRFP4229PBF?","answer":"Maximum on-resistance is 46 mOhm at 26 A drain current with 10 V gate drive. This is the value to use for conduction loss calculations at 25°C junction — derate upward at higher temperatures per the normalised curve in the datasheet."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRFP4229PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRFP4229PBF 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}}