{"id":10788,"date":"2026-07-20T13:11:07","date_gmt":"2026-07-20T13:11:07","guid":{"rendered":"https:\/\/ic-vendor.com\/bzg03c39-m3-08\/"},"modified":"2026-07-20T13:11:07","modified_gmt":"2026-07-20T13:11:07","slug":"bzg03c39-m3-08","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/bzg03c39-m3-08\/","title":{"rendered":"BZG03C39-M3-08"},"content":{"rendered":"<h2>\u4ea7\u54c1\u6982\u89c8<\/h2>\n<p>The BZG03C39-M3-08 from Vishay is a 39 V Zener diode in a compact SOD-123FL surface-mount package. Part of the BZG03C series, it provides voltage regulation with 1.5 W power dissipation, +\/-5% tolerance, and a Zener impedance of 30 ohm at the test current. It is designed for voltage regulation and protection in automotive and industrial applications.<\/p>\n<h2>\u4e3b\u8981\u89c4\u683c<\/h2>\n<table>\n<tr>\n<td>Zener Voltage (VZ)<\/td>\n<td>39 V (+\/-5%)<\/td>\n<\/tr>\n<tr>\n<td>\u529f\u7387\u8017\u6563<\/td>\n<td>1.5 W<\/td>\n<\/tr>\n<tr>\n<td>ZZT (Zener Impedance)<\/td>\n<td>30 ohm @ IZT<\/td>\n<\/tr>\n<tr>\n<td>IZT (Test Current)<\/td>\n<td>7.5 mA<\/td>\n<\/tr>\n<tr>\n<td>IZK (Leakage Current)<\/td>\n<td>0.5 uA @ 30 V<\/td>\n<\/tr>\n<tr>\n<td>\u5305\u88c5<\/td>\n<td>SOD-123FL<\/td>\n<\/tr>\n<tr>\n<td>\u5de5\u4f5c\u6e29\u5ea6<\/td>\n<td>-55 to 150 degC<\/td>\n<\/tr>\n<\/table>\n<h2>\u7279\u70b9<\/h2>\n<ul>\n<li>Compact SOD-123FL package<\/li>\n<li>1.5 W power dissipation in small footprint<\/li>\n<li>+\/-5% Zener voltage tolerance<\/li>\n<li>Low Zener impedance for stable regulation<\/li>\n<li>Automotive-grade reliability<\/li>\n<\/ul>\n<h2>\u5e94\u7528<\/h2>\n<ul>\n<li>Voltage regulation in power supplies<\/li>\n<li>Overvoltage protection circuits<\/li>\n<li>Automotive ECU voltage referencing<\/li>\n<li>Industrial control voltage clamping<\/li>\n<li>Signal conditioning bias voltage<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>Product Overview The BZG03C39-M3-08 from Vishay is a 39 V Zener diode in a compact SOD-123FL surface-mount package. Part of the BZG03C series, it provides voltage regulation with 1.5 W power dissipation, +\/-5% tolerance, and a Zener impedance of 30 ohm at the test current. It is designed for voltage regulation and protection in automotive [&hellip;]<\/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":[13],"tags":[2129],"chip_brand":[136],"class_list":["post-10788","post","type-post","status-publish","format-standard","hentry","category-integrated-circuits-ics","tag-bzg03c39-m3-08","chip_brand-vishay"],"acf":{"brief_explanation":"39V 1.5W Zener diode, +\/-5%, SOD-123FL, 30 ohm impedance, automotive-grade","date_code":"","package_case":"SOD-123FL (2.7 x 1.6 x 0.85 mm)","in_stock":10561,"datasheet":"https:\/\/www.vishay.com\/docs\/85958\/bzg03c.pdf","price":"$0.08 @ 1ku","product_introduction":"The BZG03C39-M3-08 from Vishay is a 39 V Zener voltage regulator diode in a compact SOD-123FL surface-mount package. The BZG03C series provides 1.5 W power dissipation in a footprint only slightly larger than SOD-323, making it ideal for space-constrained applications. The +\/-5% Zener voltage tolerance and 30 ohm Zener impedance at the test current ensure stable voltage regulation. The device is suitable for automotive and industrial applications requiring reliable voltage referencing, overvoltage protection, and bias voltage generation.","working_principle":"The BZG03C39 operates in the reverse breakdown region where the Zener voltage is maintained relatively constant despite changes in current. When the reverse voltage across the diode exceeds 39 V, the device enters avalanche breakdown, conducting current to clamp the voltage at the Zener value. The low dynamic impedance of 30 ohm at the test current ensures minimal voltage variation with load current changes. In a typical regulator circuit, a series resistor limits the total current, and the Zener diode shunts excess current to maintain the output voltage at 39 V.","pin_description":"<table><tr><th>Pin<\/th><th>Name<\/th><th>Type<\/th><th>Function<\/th><\/tr><tr><td>1<\/td><td>Cathode<\/td><td>Terminal<\/td><td>Cathode (banded end)<\/td><\/tr><tr><td>2<\/td><td>Anode<\/td><td>Terminal<\/td><td>Anode<\/td><\/tr><\/table>","application_scenarios":"<ul><li>Automotive ECU 39V voltage reference and protection<\/li><li>Industrial control overvoltage clamp circuits<\/li><li>Power supply output voltage regulation<\/li><li>Signal conditioning bias voltage generation<\/li><li>Gate driver supply voltage clamping<\/li><\/ul>","alternative_models":"<table><tr><th>Manufacturer<\/th><th>Part Number<\/th><th>Package<\/th><th>Notes<\/th><\/tr><tr><td>ONsemi<\/td><td>MMSZ5259BT1G<\/td><td>SOD-123<\/td><td>39V 500mW Zener<\/td><\/tr><tr><td>Nexperia<\/td><td>BZT52C39-QX<\/td><td>SOD-123<\/td><td>39V 500mW alternative<\/td><\/tr><tr><td>Diodes Inc<\/td><td>MMSZ5259T1G<\/td><td>SOD-123<\/td><td>39V Zener equivalent<\/td><\/tr><tr><td>ROHM<\/td><td>KDZTR39B<\/td><td>SOD-123FL<\/td><td>39V 1W Zener<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10788","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/comments?post=10788"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10788\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10788"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10788"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10788"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10788"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}