{"id":2540,"date":"2026-05-23T06:10:36","date_gmt":"2026-05-23T06:10:36","guid":{"rendered":"https:\/\/materialparts.com\/mmbta05lt1g\/"},"modified":"2026-05-23T06:10:36","modified_gmt":"2026-05-23T06:10:36","slug":"mmbta05lt1g","status":"publish","type":"post","link":"https:\/\/materialparts.com\/ar\/mmbta05lt1g\/","title":{"rendered":"MMBTA05LT1G"},"content":{"rendered":"

\u0646\u0638\u0631\u0629 \u0639\u0627\u0645\u0629 \u0639\u0644\u0649 \u0627\u0644\u0645\u0646\u062a\u062c<\/h2>\n

The MMBTA05LT1G from onsemi is an NPN bipolar junction transistor in a SOT-23-3 surface-mount package. Rated at 60V VCEO and 500mA collector current with 100MHz transition frequency, it is designed for general-purpose amplification and switching in low-power circuits.<\/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
\u0646\u0648\u0639 \u0627\u0644\u062a\u0631\u0627\u0646\u0632\u0633\u062a\u0648\u0631<\/td>\nNPN<\/td>\n<\/tr>\n
VCEO (Max)<\/td>\n60V<\/td>\n<\/tr>\n
IC (Max)<\/td>\n500 \u0645\u0644\u0644\u064a \u0623\u0645\u0628\u064a\u0631<\/td>\n<\/tr>\n
hFE (Min)<\/td>\n100 @ 100mA, 1V<\/td>\n<\/tr>\n
VCE(sat) Max<\/td>\n250mV @ 10mA, 100mA<\/td>\n<\/tr>\n
fT<\/td>\n100MHz<\/td>\n<\/tr>\n
\u062a\u0628\u062f\u064a\u062f \u0627\u0644\u0637\u0627\u0642\u0629<\/td>\n225mW<\/td>\n<\/tr>\n
\u0627\u0644\u062d\u0632\u0645\u0629<\/td>\nSOT-23-3<\/td>\n<\/tr>\n<\/table>\n

\u0627\u0644\u0645\u064a\u0632\u0627\u062a<\/h2>\n
    \n
  • General-purpose NPN transistor<\/li>\n
  • High DC current gain (hFE min 100)<\/li>\n
  • Low saturation voltage (250mV max)<\/li>\n
  • 100MHz transition frequency<\/li>\n
  • AEC-Q101 qualified version available<\/li>\n
  • Small SOT-23 footprint<\/li>\n<\/ul>\n

    \u0627\u0644\u062a\u0637\u0628\u064a\u0642\u0627\u062a<\/h2>\n
      \n
    • General-purpose amplification<\/li>\n
    • Low-power switching circuits<\/li>\n
    • LED driver circuits<\/li>\n
    • Sensor signal conditioning<\/li>\n
    • Logic-level signal driving<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The MMBTA05LT1G from onsemi is an NPN bipolar junction transistor in a SOT-23-3 surface-mount package. Rated at 60V VCEO and 500mA collector current with 100MHz transition frequency, it is designed for general-purpose amplification and switching in low-power circuits. Key Specifications Transistor Type NPN VCEO (Max) 60V IC (Max) 500mA hFE (Min) 100 @ […]<\/p>\n","protected":false},"author":2,"featured_media":2575,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[57,13],"tags":[],"chip_brand":[144],"class_list":["post-2540","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-insulated-gate-bipolar-transistors-igbt","category-integrated-circuits-ics","chip_brand-on"],"acf":{"brief_explanation":"NPN BJT, 60V, 500mA, hFE 100, 100MHz, SOT-23-3","date_code":"","package_case":"SOT-23-3 (TO-236) (2.9 x 1.3 x 1.0 mm)","in_stock":13670,"datasheet":"https:\/\/www.onsemi.com\/products\/discrete\/mosfets\/mmbta05lt1g","price":"$0.045 @ 1ku","product_introduction":"The MMBTA05LT1G is a general-purpose NPN bipolar junction transistor from onsemi, optimized for low-power amplification and switching applications. It features a 60V collector-emitter breakdown voltage, 500mA continuous collector current, and a minimum DC current gain of 100 at 100mA. The low saturation voltage of 250mV ensures efficient switching operation. Packaged in a compact SOT-23-3 footprint, it is ideal for space-constrained PCB designs in consumer and industrial electronics.","working_principle":"As an NPN bipolar junction transistor, the MMBTA05LT1G operates by modulating current flow between collector and emitter through a small base current. In the active region, collector current is proportional to base current multiplied by hFE (min 100). In saturation, both junctions are forward-biased, and VCE drops to below 250mV. The 100MHz transition frequency indicates the device's high-frequency capability, making it suitable for small-signal RF amplification and fast switching up to tens of MHz.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Base<\/td>Input<\/td>Base control terminal<\/td><\/tr>
      2<\/td>Emitter<\/td>Output<\/td>Emitter terminal<\/td><\/tr>
      3<\/td>Collector<\/td>Output<\/td>Collector terminal<\/td><\/tr><\/table>","application_scenarios":"
      • General-purpose small-signal amplification<\/li>
      • Low-power relay and LED driver<\/li>
      • Sensor interface signal conditioning<\/li>
      • Logic-level transistor-transistor interfacing<\/li>
      • Audio preamplifier stages<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Package<\/th>Notes<\/th><\/tr>
        onsemi<\/td>MMBTA06LT1G<\/td>SOT-23<\/td>NPN, 80V, 500mA<\/td><\/tr>
        Infineon<\/td>BC847B<\/td>SOT-23<\/td>NPN, 45V, 100mA<\/td><\/tr>
        Nexperia<\/td>BC817-25<\/td>SOT-23<\/td>NPN, 45V, 500mA<\/td><\/tr>
        onsemi<\/td>MMBT3904LT1G<\/td>SOT-23<\/td>NPN, 40V, 200mA<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2540","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=2540"}],"version-history":[{"count":0,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/posts\/2540\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media\/2575"}],"wp:attachment":[{"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/media?parent=2540"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/categories?post=2540"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/tags?post=2540"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/materialparts.com\/ar\/wp-json\/wp\/v2\/chip_brand?post=2540"}],"curies":[{"name":"\u062f\u0628\u0644\u064a\u0648 \u0628\u064a","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}