{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BC 817-25 E6327","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BC-817-25-E6327","canonicalUrl":"https://icboms.com/infineon/BC-817-25-E6327","factsUrl":"https://icboms.com/api/mcp/products/BC%20817-25%20E6327","rawCanonicalId":null},"summary":{"shortDescription":"Infineon BC 817-25 E6327 NPN transistor, SOT-23, 45 V Vce, 500 mA Ic, 170 MHz fT, 330 mW, hFE 160-400 at 100 mA.","salesMarkdown":"The Infineon BC 817-25 E6327 is a general-purpose NPN transistor in a SOT-23 surface-mount package. The '25' gain group specifies a DC current gain (hFE) of 160 to 400 at 100 mA, 1 V — a medium-gain selection suited for linear amplification and moderate-speed switching in low-power circuits. Typical applications include driver stages, relay and LED drivers, signal amplification, and general-purpose switching in consumer, industrial, and telecom equipment where a small-signal NPN in a SOT-23 footprint is needed. For existing designs, the BOM line must be filled through the surplus and broker channel. The SOT-23 footprint is widely used, so a pin-compatible replacement from another manufacturer is the typical cross-reference path. The 330 mW power dissipation limit in the SOT-23 package means derating is needed at elevated ambient temperatures — at 85 °C ambient, the available power drops roughly by half. The 170 MHz transition frequency is adequate for low-frequency switching up to a few MHz; for higher-speed pulse applications, a dedicated switching transistor may be a better fit. The 700 mV Vce saturation at 50 mA base drive and 500 mA collector current is typical for a small-signal NPN and ensures low on-state voltage drop in saturated switching.","metaTitle":"BC 817-25 E6327 NPN Transistor, 45 V, 500 mA, SOT-23","metaDescription":"Infineon BC 817-25 E6327 NPN transistor in SOT-23, 45 V Vce, 500 mA Ic, 170 MHz fT, 330 mW.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Obsolete","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tape & Reel (TR); Cut Tape (CT)","Power - Max":"330 mW","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Obsolete","Transistor Type":"NPN","lifecycle_stage":"eol_hot","Base Product Number":"BC 817","Operating Temperature":"150°C(TJ)","Frequency - Transition":"170MHz","Supplier Device Package":"PG-SOT23","Vce Saturation (Max) @ Ib, Ic":"700mV @ 50mA, 500mA","Current - Collector (Ic) (Max)":"500 mA","Current - Collector Cutoff (Max)":"100nA (ICBO)","DC Current Gain (hFE) (Min) @ Ic, Vce":"160 @ 100mA, 1V","Voltage - Collector Emitter Breakdown (Max)":"45 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.1700","priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e1198b7a398bf9fcc31ab9c515acedbd.pdf","sourceUrl":null,"alternativesUrl":"https://icboms.com/api/mcp/products/BC%20817-25%20E6327/alternatives.json"},"ai":{"faq":[{"question":"What is the replacement for BC 817-25 E6327?","answer":"The most practical replacement is a functionally equivalent NPN transistor in the same SOT-23 package with matching gain group (hFE 160-400 at 100 mA), 45 V Vce, and 500 mA Ic. The BC817-25 from other manufacturers (e.g., Nexperia, ON Semiconductor) or the BC847 series (which shares the SOT-23 footprint and similar ratings) are typical alternatives — confirm pinout and thermal specs against your design before substituting."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BC-817-25-E6327","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BC-817-25-E6327 when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-16T15:19:23.388Z","lastPublished":"2026-07-16T15:19:23.388Z","indexable":true}}