{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"IRF4905PBF","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"IRF4905PBF","canonicalUrl":"https://icboms.com/infineon/IRF4905PBF","factsUrl":"https://icboms.com/api/mcp/products/IRF4905PBF","rawCanonicalId":null},"summary":{"shortDescription":"Infineon HEXFET® IRF4905PBF, P-Channel MOSFET, 55 V Vdss, 74 A Id, 20 mOhm Rds(on) at 10 V, 180 nC Qg, TO-220AB through-hole package, -55°C to 175°C.","salesMarkdown":"## P-channel power switch for high-current DC rails The IRF4905PBF: Gate charge totals 180 nC at 10 V, so the gate driver must supply enough peak current to charge the input capacitance (3400 pF typical at 25 V) within the target switching interval. ## Thermal and package constraints for the board Maximum power dissipation is 200 W at case temperature 25°C — derate linearly with rising Tc; the TO-220AB tab must be heatsunk or the junction temperature will exceed the 175°C absolute maximum under sustained load. The through-hole TO-220AB package suits point-of-load or chassis-mount layouts where a screw or clip secures the tab to a heatsink.","metaTitle":"IRF4905PBF P-Channel MOSFET, 55 V, 74 A, TO-220AB","metaDescription":"IRF4905PBF P-Channel HEXFET MOSFET: 55 V Vdss, 74 A Id, 20 mOhm Rds(on) at 10 V. Active production, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"HEXFET®","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Series":"HEXFET®","Package":"Tube","FET Type":"P-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":"4V @ 250µA","Operating Temperature":"-55°C ~ 175°C (TJ)","Rds On (Max) @ Id, Vgs":"20mOhm @ 38A, 10V","Power Dissipation (Max)":"200W (Tc)","Supplier Device Package":"TO-220AB","Gate Charge (Qg) (Max) @ Vgs":"180 nC @ 10 V","Drain to Source Voltage (Vdss)":"55 V","Input Capacitance (Ciss) (Max) @ Vds":"3400 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"10V","Current - Continuous Drain (Id) @ 25°C":"74A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$2.25","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$2.67000","currency":"USD"},{"qty":10,"price":"$2.40100","currency":"USD"},{"qty":100,"price":"$1.92980","currency":"USD"},{"qty":500,"price":"$1.58550","currency":"USD"},{"qty":1000,"price":"$1.32125","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/809c48549fb62b27a46dbedfa8dd7101.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the Rds(on) of IRF4905PBF?","answer":"This value is specified at 25°C junction temperature; Rds(on) increases with temperature per the normalised curve in the datasheet."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/IRF4905PBF","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/IRF4905PBF 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}}