{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BC 817-16 E6433","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BC-817-16-E6433","canonicalUrl":"https://icboms.com/infineon/BC-817-16-E6433","factsUrl":"https://icboms.com/api/mcp/products/BC%20817-16%20E6433","rawCanonicalId":null},"summary":{"shortDescription":"Infineon BC 817-16 E6433 NPN general-purpose transistor, 45 V Vceo, 500 mA Ic, 330 mW Pd, 170 MHz fT, SOT-23-3 package, Tape & Reel.","salesMarkdown":"## 45 V / 500 mA general-purpose NPN — what it covers The BC 817-16 E6433 is an NPN silicon transistor in a SOT-23-3 surface-mount package, rated for 45 V collector-emitter breakdown and 500 mA continuous collector current. With a DC current gain (hFE) of 100 minimum at 100 mA / 1 V, it handles low-side switching and linear amplification duties where you need moderate current and voltage headroom — relay drivers, solenoid kick, LED banks, or signal preamp stages. The 170 MHz transition frequency keeps it useful for audio-band and low-speed switching up to a few megahertz. ## Obsolete — sourcing via the spot channel This part carries an obsolete lifecycle status, meaning Infineon has ended regular production. Sourcing is through independent distribution — we locate available inventories from surplus, overstock, and end-of-life stockpiles. No successor order code is listed by the manufacturer; for a drop-in alternative in the same SOT-23 footprint, the BC817-25 (higher gain grade) is a common cross-shop candidate but has no official cross-reference to this code. ## Package and thermal — SOT-23 fits tight boards Housed in a TO-236-3 / SC-59 / SOT-23-3 case, the PG-SOT23 supplier package takes minimal board area — about 2.9 x 1.3 mm footprint. Maximum power dissipation is 330 mW, so thermal derating matters above 25 °C ambient; the junction temperature limit is 150 °C. For continuous loads near 500 mA, check the SOA curve and ensure adequate copper on the collector pad for heat spreading. ## Vce(sat) and cutoff — switching efficiency Saturation voltage is 700 mV maximum at 50 mA base / 500 mA collector — typical for a general-purpose NPN in this current class. Collector cutoff current is 100 nA maximum (ICBO), which is low enough for battery-powered circuits where off-state leakage matters. The 100 nA spec is at 25 °C junction; expect a decade increase per 25 °C rise above that.","metaTitle":"BC 817-16 E6433 NPN Transistor, 45 V, 500 mA, SOT-23","metaDescription":"BC 817-16 E6433 NPN transistor, 45 V Vceo, 500 mA Ic, 170 MHz fT, SOT-23 package. Marked as obsolete.","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)","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":"100 @ 100mA, 1V","Voltage - Collector Emitter Breakdown (Max)":"45 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":null,"stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/e1198b7a398bf9fcc31ab9c515acedbd.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is BC 817-16 E6433 obsolete?","answer":"Yes, the BC 817-16 E6433 is listed as obsolete by Infineon. It is no longer in regular production and must be sourced through surplus or independent distribution channels."},{"question":"What is the replacement for BC 817-16 E6433?","answer":"Infineon does not list a direct successor for the BC 817-16 E6433. A commonly considered alternative in the same SOT-23 package is the BC817-25, which offers a higher DC current gain grade (hFE of 160–400 vs 100–250 for the -16 grade). Pin compatibility is the same, but verify the gain range against your circuit's base drive requirements."},{"question":"Where can I buy BC 817-16 E6433 available via RFQ confirmation?","answer":"As an obsolete part, BC 817-16 E6433 is not available through standard factory distribution. We source it through independent and surplus channels."},{"question":"What is the SMD code for BC 817-16 E6433?","answer":"The SMD marking code for the BC 817-16 E6433 is typically '1G' or '1Gs' depending on the date code and assembly site. The marking is laser-printed on the SOT-23 body. Always confirm against the official datasheet marking table for the specific lot."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BC-817-16-E6433","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BC-817-16-E6433 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}}