{"id":9079,"date":"2026-07-02T10:52:12","date_gmt":"2026-07-02T10:52:12","guid":{"rendered":"https:\/\/materialparts.com\/bc847b-e6327\/"},"modified":"2026-07-03T08:03:25","modified_gmt":"2026-07-03T08:03:25","slug":"bc847b-e6327","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/bc847b-e6327\/","title":{"rendered":"BC847B E6327"},"content":{"rendered":"

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The Infineon BC847B E6327 is an NPN silicon AF transistor designed for general-purpose amplification and switching in automotive and industrial applications. Housed in a SOT-23 package, it offers high current gain (hFE 200-450), low noise, and AEC-Q101 qualification.<\/p>\n

\u0627\u0644\u0645\u0648\u0627\u0635\u0641\u0627\u062a \u0627\u0644\u0631\u0626\u064a\u0633\u064a\u0629<\/h2>\n\n\n\n\n\n\n\n\n\n
\u0627\u0644\u0642\u0637\u0628\u064a\u0629<\/td>\nNPN<\/td>\n<\/tr>\n
VCEO<\/sub> Max<\/td>\n45 V<\/td>\n<\/tr>\n
IC<\/sub> Max<\/td>\n100 mA<\/td>\n<\/tr>\n
hFE<\/sub> Range<\/td>\n200 to 450<\/td>\n<\/tr>\n
fT<\/sub><\/td>\n250 MHz<\/td>\n<\/tr>\n
VCE(sat)<\/sub> Max<\/td>\n0.6 V<\/td>\n<\/tr>\n
Ptot<\/sub> Max<\/td>\n330 mW<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23<\/td>\n<\/tr>\n<\/table>\n

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    \n
  • High current gain (hFE 200-450)<\/li>\n
  • Low collector-emitter saturation voltage<\/li>\n
  • Low noise between 30 Hz and 15 kHz<\/li>\n
  • Complementary PNP types: BC857…BC860<\/li>\n
  • AEC-Q101 qualified<\/li>\n
  • Pb-free, RoHS compliant<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • AF input stages and driver applications<\/li>\n
    • Automotive electronics<\/li>\n
    • Industrial power management<\/li>\n
    • General-purpose switching and amplification<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The Infineon BC847B E6327 is an NPN silicon AF transistor designed for general-purpose amplification and switching in automotive and industrial applications. Housed in a SOT-23 package, it offers high current gain (hFE 200-450), low noise, and AEC-Q101 qualification. Key Specifications Polarity NPN VCEO Max 45 V IC Max 100 mA hFE Range 200 […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57,13],"tags":[658],"chip_brand":[173],"class_list":["post-9079","post","type-post","status-publish","format-standard","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","tag-bc847b-e6327","chip_brand-infineon"],"acf":{"brief_explanation":"NPN silicon AF transistor, 100mA, 45V, hFE 200-450, 250MHz, SOT-23","date_code":"","package_case":"SOT-23 (P-SOT23-3-3) (2.9 x 1.3 x 1.0 mm)","in_stock":3824,"datasheet":"https:\/\/www.infineon.com\/dgdl\/Infineon-BC847B-DS-v03_02-en.pdf?fileId=db3a30431496d3470114c6a39a7d49b4c","price":"$0.02 @ 3ku","product_introduction":"The Infineon BC847B E6327 is an NPN silicon general-purpose transistor optimized for AF (audio frequency) input stages and driver applications. With a VCEO of 45 V and continuous collector current of 100 mA, it provides reliable performance in low-power amplification and switching circuits. The device features a high current gain range of 200 to 450 (B-group selection), ensuring consistent amplification across production lots. Its low noise characteristics between 30 Hz and 15 kHz make it particularly suitable for audio preamplifier stages. AEC-Q101 qualification guarantees operation in demanding automotive environments from -65\u00b0C to +150\u00b0C. The complementary PNP types (BC857 through BC860) enable push-pull amplifier designs.","working_principle":"The BC847B operates as a conventional bipolar junction transistor (BJT). In the active region, a small base current controls a larger collector current through current amplification (hFE). The NPN structure consists of a thin P-type base sandwiched between N-type emitter and collector regions. When the base-emitter junction is forward-biased (VBE > 0.6 V), electrons are injected from the emitter into the base, where most are swept across the reverse-biased collector-base junction to form the collector current. The high hFE of 200-450 ensures efficient current amplification with minimal base drive. For switching applications, the transistor is driven into saturation by applying sufficient base current (IB > IC\/hFE), reducing VCE to its saturation voltage of 0.6 V maximum.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>B<\/td>Input<\/td>Base<\/td><\/tr>
      2<\/td>E<\/td>Ground<\/td>Emitter<\/td><\/tr>
      3<\/td>C<\/td>Output<\/td>Collector<\/td><\/tr><\/table>","application_scenarios":"
      • Audio preamplifier input stages in car radios<\/li>
      • Signal buffering in automotive sensor interfaces<\/li>
      • Low-power switching in body electronics<\/li>
      • General-purpose amplification in industrial control<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        onsemi<\/td>BC847BTT1G<\/td>SOT-23<\/td>Pin-compatible equivalent<\/td><\/tr>
        Nexperia<\/td>BC847B,215<\/td>SOT-23<\/td>Direct equivalent<\/td><\/tr>
        Diodes Inc<\/td>BC847B-7-F<\/td>SOT-23<\/td>Compatible alternative<\/td><\/tr>
        ROHM<\/td>BC847B<\/td>SOT-23<\/td>Drop-in replacement<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9079","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/comments?post=9079"}],"version-history":[{"count":1,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9079\/revisions"}],"predecessor-version":[{"id":9092,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/9079\/revisions\/9092"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=9079"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=9079"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=9079"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=9079"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}