{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"BCR129E6327HTSA1","brand":"Infineon Technologies","brandSlug":"infineon","productSlug":"BCR129E6327HTSA1","canonicalUrl":"https://icboms.com/infineon/BCR129E6327HTSA1","factsUrl":"https://icboms.com/api/mcp/products/BCR129E6327HTSA1","rawCanonicalId":null},"summary":{"shortDescription":"Infineon BCR129E6327HTSA1 NPN pre-biased transistor, 50 V VCEO, 100 mA Ic, 150 MHz fT, 10 kOhm base resistor, 200 mW max, PG-SOT23 package, Tape & Reel.","salesMarkdown":"## What is the BCR129E6327HTSA1? The Infineon BCR129E6327HTSA1 is an NPN pre-biased transistor with a 10 kOhm base resistor integrated in a PG-SOT23 surface-mount package. It is designed for switching and driver applications where a single external resistor would otherwise be needed, saving board space and BOM count. Rated for 50 V collector-emitter breakdown and 100 mA continuous collector current, with a transition frequency of 150 MHz. ## Last Buy — sourcing timeline is closing This part carries a Last Buy lifecycle status, meaning Infineon has announced end-of-life and final orders are accepted only for a limited period. Buyers should secure their lifetime buy quantity now or qualify a replacement before supply dries up. The 200 mW maximum power dissipation sets the thermal ceiling for continuous operation — in a dense SMT board with limited airflow, derate accordingly. The 10 kOhm base resistor biases the transistor on with a typical 5 V logic signal, eliminating the external resistor. VCE(sat) of 300 mV at 500 µA base and 10 mA collector ensures low saturation voltage for efficient switching. DC current gain (hFE) of 120 minimum at 5 mA collector current provides consistent drive strength across temperature.","metaTitle":"BCR129E6327HTSA1 NPN Pre-Biased Transistor, 50 V, 100 mA","metaDescription":"BCR129E6327HTSA1 NPN pre-biased transistor with 10 kOhm base resistor, 50 V VCEO, 100 mA Ic, 150 MHz fT, 200 mW max, PG-SOT23 package.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":null,"productStatus":"Last Buy","categoryPath":["Discrete Semiconductors"],"specifications":{"Mfr":"Infineon Technologies","Series":"-","Package":"Tape & Reel (TR)","Power - Max":"200 mW","Mounting Type":"Surface Mount","Package / Case":"TO-236-3, SC-59, SOT-23-3","Product Status":"Last Time Buy","Transistor Type":"NPN - Pre-Biased","lifecycle_stage":"eol_hot","Base Product Number":"BCR129","Resistor - Base (R1)":"10 kOhms","Frequency - Transition":"150 MHz","Supplier Device Package":"PG-SOT23","Vce Saturation (Max) @ Ib, Ic":"300mV @ 500µA, 10mA","Current - Collector (Ic) (Max)":"100 mA","Current - Collector Cutoff (Max)":"100nA (ICBO)","DC Current Gain (hFE) (Min) @ Ic, Vce":"120 @ 5mA, 5V","Voltage - Collector Emitter Breakdown (Max)":"50 V"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$0.0454","stockQuantity":0,"priceTiers":null},"links":{"datasheetUrl":"https://cdn.icboms.com/3231f9fc17c6083a26de9556ff594490.pdf","sourceUrl":null},"ai":{"faq":[{"question":"Is BCR129E6327HTSA1 obsolete?","answer":"The BCR129E6327HTSA1 is in Last Buy status — not yet fully discontinued, but Infineon has announced end-of-life and final orders are time-limited. Secure stock now or plan a replacement."},{"question":"What is the BCR129E6327HTSA1's maximum power dissipation?","answer":"200 mW maximum power dissipation, which limits continuous collector current in high-temperature environments. Derate based on ambient temperature and PCB copper area."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/infineon/BCR129E6327HTSA1","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/infineon/BCR129E6327HTSA1 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}}