{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BSS138IXTSA1","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BSS138IXTSA1","canonicalUrl":"https://icboms.com/infineon/BSS138IXTSA1","factsUrl":"https://icboms.com/api/mcp/products/BSS138IXTSA1","rawCanonicalId":null},"summary":{"shortDescription":"Infineon BSS138IXTSA1 N-Channel MOSFET, 60 V Vdss, 230 mA Id, 3.5 Ohm Rds(on) max at 10 V, 1.4 V Vgs(th) max, SOT-23-3 package, -55 to 150 °C operating temperature.","salesMarkdown":"## 60 V, 230 mA N-channel small-signal switch At 4.5 V drive (the minimum recommended drive voltage), expect the Rds(on) to roughly double — still acceptable for switching loads up to a few hundred milliamps. The gate charge is only 1 nC at 10 V, so the switching losses are negligible in low-frequency or level-shift applications. ## SOT-23-3 — rework and footprint The BSS138IXTSA1 comes in the standard SOT-23-3 (PG-SOT-23-3) package. It reworks cleanly with a hot-air station at 300 °C for a few seconds; the small thermal mass means it lifts and reflows without cooking the board. The footprint is the same as any generic SOT-23 N-channel, so it drops into existing layouts for BSS138-class parts.","metaTitle":"Infineon BSS138IXTSA1 N-Channel MOSFET, 60 V, 230 mA","metaDescription":"Infineon BSS138IXTSA1 N-Channel MOSFET, 60 V drain, 230 mA continuous, 3.5 Ohm Rds(on) at 10 V. SOT-23-3 package. Active lifecycle.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Active","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","FET Type":"N-Channel","Vgs (Max)":"±20V","Technology":"MOSFET (Metal Oxide)","FET Feature":"-","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Active","lifecycle_stage":"eol_hot","Vgs(th) (Max) @ Id":"1.4V @ 26µA","Operating Temperature":"-55°C~150°C(TJ)","Rds On (Max) @ Id, Vgs":"3.5Ohm @ 230mA, 10V","Power Dissipation (Max)":"360mW (Ta)","Supplier Device Package":"PG-SOT-23-3","Gate Charge (Qg) (Max) @ Vgs":"1 nC @ 10 V","Drain to Source Voltage (Vdss)":"60 V","Input Capacitance (Ciss) (Max) @ Vds":"32 pF @ 25 V","Drive Voltage (Max Rds On, Min Rds On)":"4.5V, 10V","Current - Continuous Drain (Id) @ 25°C":"230mA (Ta)"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.4400","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/a628572d7273188e59aaecc3e790c9d6.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BSS138IXTSA1/alternatives.json"},"ai":{"faq":[{"question":"What is the Rds(on) of BSS138IXTSA1?","answer":"The maximum Rds(on) is 3.5 Ohm at 230 mA drain current with 10 V gate drive. At 4.5 V drive the on-resistance is higher but still suitable for low-current switching."},{"question":"Is BSS138IXTSA1 a logic-level MOSFET?","answer":"Yes. The datasheet specifies drive voltages of 4.5 V and 10 V for minimum and maximum Rds(on)."},{"question":"Can BSS138IXTSA1 replace BSS138?","answer":"The BSS138IXTSA1 is an Infineon-specific variant of the industry-standard BSS138 N-channel MOSFET. It shares the same SOT-23-3 footprint, 60 V drain rating, and similar Rds(on) and threshold characteristics. In most low-side switching and level-shift circuits it is a drop-in replacement, but verify the gate charge and capacitance against your switching frequency if the original BSS138 was from another manufacturer."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BSS138IXTSA1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BSS138IXTSA1 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-08-11T15:49:49.435Z","lastPublished":"2026-08-11T15:49:49.435Z","indexable":true}}