{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BTS550PE3146HKSA1","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BTS550PE3146HKSA1","canonicalUrl":"https://icboms.com/infineon/BTS550PE3146HKSA1","factsUrl":"https://icboms.com/api/mcp/products/BTS550PE3146HKSA1","rawCanonicalId":null},"summary":{"shortDescription":"Infineon PROFET series, BTS550PE3146HKSA1, high-side power switch, 1 output, N-Channel, 2.8mOhm typ Rds(on), 90A max output, 5V~34V load, Non-Inverting, On/Off interface, Through Hole, TO-218-5, -40°C~150°C.","salesMarkdown":"## What this PROFET switch does in a power distribution design The typical 2.8 mOhm on-resistance is the standout parametric here. At a 10 A continuous load, conduction loss is just 0.28 W — low enough that the TO-218-5 package can dissipate it without a heatsink in still air at 25°C ambient, provided the PCB copper area under the tab is adequate. The 90 A maximum output rating is a pulsed peak; the real continuous current is set by the junction temperature budget, the load voltage, and the thermal resistance of the mounting interface. No last-time-buy window remains; procurement should plan for a one-time buy or a form-fit-function replacement qualification. ## Load voltage range and application fit The switch handles a 5 V to 34 V load supply, covering automotive 12 V (nominal 13.5 V, load-dump to 34 V), truck 24 V systems, and industrial 24 V PLC buses. The through-hole TO-218-5 package (also known as TO-218AB/5) provides a large copper tab for heatsink attachment, making it a practical choice for high-current retrofit or repair applications where a surface-mount D²PAK would need a thicker PCB. ## Fault protection set — what is covered Four integrated fault protections reduce external component count: fixed current limiting prevents the switch from exceeding a safe current level during a short circuit; open load detection flags a disconnected harness or blown fuse; over-temperature shutdown protects the die if the heatsink is undersized; and over-voltage clamping absorbs load-dump transients up to the 34 V load supply maximum. The input is non-inverting — a logic high turns the output on — and no external Vcc supply is needed; the charge pump runs from the load voltage.","metaTitle":"Infineon BTS550PE3146HKSA1 PROFET High-Side Switch, 2.8 mOhm","metaDescription":"Infineon BTS550PE3146HKSA1 PROFET high-side power switch, 2.8 mOhm Rds(on), 90A peak, 5-34V load. TO-218-5.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Power Management (PMIC / Gate Driver)"],"specifications":{"Mfr":"Infineon Technologies","Series":"PROFET®","Package":"Tube","Features":"-","Interface":"On/Off","Input Type":"Non-Inverting","Output Type":"N-Channel","Switch Type":"General Purpose","Rds On (Typ)":"2.8mOhm","Mounting Type":"Through Hole","Package / Case":"TO-218-5","Product Status":"Obsolete","Voltage - Load":"5V ~ 34V","lifecycle_stage":"eol_hot","Fault Protection":"Current Limiting (Fixed), Open Load Detect, Over Temperature, Over Voltage","Number of Outputs":"1","Base Product Number":"BTS550","Output Configuration":"High Side","Ratio - Input:Output":"1:1","Operating Temperature":"-40°C ~ 150°C (TJ)","Current - Output (Max)":"90A","Supplier Device Package":"TO-218AB/5","Voltage - Supply (Vcc/Vdd)":"Not Required"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$3.5600","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/16b5c94aa1a8fc7169243d3465ba1e51.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BTS550PE3146HKSA1/alternatives.json"},"ai":{"faq":[{"question":"Is BTS550PE3146HKSA1 obsolete?","answer":"Yes, Infineon has marked the BTS550PE3146HKSA1 as obsolete."},{"question":"What is the replacement for BTS550PE3146HKSA1?","answer":"No official replacement order code has been published by Infineon. For a form-fit-function substitute, evaluate other PROFET™ high-side switches in the TO-218-5 package with similar Rds(on) and load voltage range, but confirm pin compatibility and protection feature set against your specific application requirements."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BTS550PE3146HKSA1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BTS550PE3146HKSA1 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-22T18:03:28.771Z","lastPublished":"2026-07-22T18:03:28.771Z","indexable":true}}