{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BSZ035N03MSGATMA1","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BSZ035N03MSGATMA1","canonicalUrl":"https://icboms.com/infineon/BSZ035N03MSGATMA1","factsUrl":"https://icboms.com/api/mcp/products/BSZ035N03MSGATMA1","rawCanonicalId":null},"summary":{"shortDescription":"Infineon OptiMOS™ BSZ035N03MSGATMA1, N-Channel MOSFET, 30V Vdss, 3.5mOhm Rds(on) at 20A, 10V, 40A continuous drain (Tc), PG-TSDSON-8 package, -55°C to 150°C.","salesMarkdown":"## 3.5 mOhm at 10V — the on-resistance that decides the thermal budget The BSZ035N03MSGATMA1 is an Infineon OptiMOS N-channel MOSFET rated for 30V drain-source and 40A continuous drain at the case (Tc), with a maximum on-resistance of 3.5 mOhm at 20A and 10V gate drive. That Rds(on) figure is the spec that sets the conduction loss floor for a 12V or 24V rail switch — at 20A the dissipation is just 1.4W in the channel, before package thermal resistance enters the calculation. ## 18A at ambient vs 40A at case — reading the dual current rating The datasheet lists 18A continuous drain at 25°C ambient (Ta) and 40A at the case (Tc). That 2.2x spread tells you the PG-TSDSON-8 package's thermal limit, not the silicon — the 2.1W (Ta) vs 69W (Tc) power dissipation figures confirm the package is the bottleneck for board-level designs. For a load switch on a standard 2-layer PCB with minimal copper, budget around the 18A Ta rating; the 40A Tc figure applies only with substantial heatsinking or forced airflow. The ±20V maximum gate-source rating gives comfortable margin for 10V or 12V gate drive designs without worrying about oxide breakdown during transients. ## Package realities for the rework bench and the pick-and-place line The 8-pin body is small enough that a standard hot-air rework station can handle removal, but the pad solder paste volume needs to be controlled to avoid voiding under the die attach area. ## Gate charge and switching — 74 nC at 10V The 5700 pF input capacitance means the driver's peak current capability determines the turn-on and turn-off delay, not the average charge. This part is a solid fit for mid-frequency DC-DC converters and load switches where conduction loss dominates over switching loss.","metaTitle":"Infineon BSZ035N03MSGATMA1 OptiMOS N-Ch 30V 40A MOSFET","metaDescription":"Infineon BSZ035N03MSGATMA1 OptiMOS N-Channel MOSFET, 30V Vdss, 3.5mOhm Rds(on) at 10V, 40A continuous drain. Active production, ROHS3 compliant.","metaKeywords":null},"attributes":{"series":"OptiMOS™","packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":[],"specifications":{"Series":"OptiMOS™","Package":"Tape & Reel (TR); Cut Tape (CT)","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","Mounting Type":"Surface Mount","Package / Case":"8-PowerTDFN","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"2V @ 250µA","Operating Temperature":"-55°C ~ 150°C (TJ)","Rds On (Max) @ Id, Vgs":"3.5mOhm @ 20A, 10V","Power Dissipation (Max)":"2.1W (Ta), 69W (Tc)","Supplier Device Package":"PG-TSDSON-8","Gate Charge (Qg) (Max) @ Vgs":"74 nC @ 10 V","Drain to Source Voltage (Vdss)":"30 V","Input Capacitance (Ciss) (Max) @ Vds":"5700 pF @ 15 V","Drive Voltage (Max Rds On, Min Rds On)":"4.5V, 10V","Current - Continuous Drain (Id) @ 25°C":"18A (Ta), 40A (Tc)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$1.18","priceTiers":[{"qty":1,"price":"$1.18000","currency":"USD"},{"qty":10,"price":"$0.96900","currency":"USD"},{"qty":100,"price":"$0.75400","currency":"USD"},{"qty":500,"price":"$0.63912","currency":"USD"},{"qty":1000,"price":"$0.52063","currency":"USD"},{"qty":2000,"price":"$0.49011","currency":"USD"},{"qty":5000,"price":"$0.46677","currency":"USD"},{"qty":10000,"price":"$0.44523","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/334b91fb5abd9dc98e715050032189a1.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BSZ035N03MSGATMA1/alternatives.json"},"ai":{"faq":[{"question":"What is the Rds(on) of BSZ035N03MSGATMA1 at 10V?","answer":"The maximum on-resistance is 3.5 mOhm at 20A drain current with 10V gate-to-source drive. This is the rated condition for the lowest conduction loss; at lower gate voltages (4.5V) the Rds(on) will be higher."},{"question":"Can BSZ035N03MSGATMA1 replace BSZ035N03MS or vice versa?","answer":"The evidence does not list a BSZ035N03MS variant or any cross-reference between the two. Without a manufacturer-issued PCN or cross-reference document confirming pin-to-pin compatibility, treat them as potentially different parts. Verify the full order code and date code against your BOM before substitution."},{"question":"Is BSZ035N03MSGATMA1 RoHS compliant?","answer":"Yes, it is ROHS3 compliant, meaning it meets the EU RoHS directive with no exemptions required for the restricted substances."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BSZ035N03MSGATMA1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BSZ035N03MSGATMA1 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-20T14:34:45.345Z","lastPublished":"2026-07-20T14:34:45.345Z","indexable":true}}