{"id":10284,"date":"2026-07-09T10:06:45","date_gmt":"2026-07-09T10:06:45","guid":{"rendered":"https:\/\/ic-vendor.com\/bm12b-ghs-tbtlfsnn\/"},"modified":"2026-07-09T10:06:45","modified_gmt":"2026-07-09T10:06:45","slug":"bm12b-ghs-tbtlfsnn","status":"publish","type":"post","link":"https:\/\/ic-vendor.com\/zh\/bm12b-ghs-tbtlfsnn\/","title":{"rendered":"BM12B-GHS-TBT(LF)(SN)(N)"},"content":{"rendered":"

\u4ea7\u54c1\u6982\u89c8<\/h2>\n

The BM12B-GHS-TBT(LF)(SN)(N) from JST is a 12-position 1.25mm pitch GH series Shrouded Header, designed for Top-Entry (Straight) surface-mount applications. Rated at 1A and 50V AC\/DC, this connector provides reliable wire-to-board connectivity in a compact form factor.<\/p>\n

\u4e3b\u8981\u89c4\u683c<\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
\u5236\u9020\u5546<\/td>\nJST<\/td>\n<\/tr>\n
Series<\/td>\nGH<\/td>\n<\/tr>\n
Pitch<\/td>\n1.25 mm<\/td>\n<\/tr>\n
Number of Positions<\/td>\n12<\/td>\n<\/tr>\n
\u5b89\u88c5\u7c7b\u578b<\/td>\nSMT<\/td>\n<\/tr>\n
Orientation<\/td>\nTop-Entry (Straight)<\/td>\n<\/tr>\n
Current Rating<\/td>\n1A<\/td>\n<\/tr>\n
Voltage Rating<\/td>\n50V AC\/DC<\/td>\n<\/tr>\n
\u5de5\u4f5c\u6e29\u5ea6<\/td>\n-25\u00b0C to +85\u00b0C<\/td>\n<\/tr>\n
Contact Material<\/td>\nCopper Alloy \/ Phosphor Bronze<\/td>\n<\/tr>\n
Contact Plating<\/td>\nTin (Sn)<\/td>\n<\/tr>\n
Insulation Material<\/td>\nNylon (PA) \/ PBT, UL94V-0<\/td>\n<\/tr>\n
RoHS Compliant<\/td>\nYes<\/td>\n<\/tr>\n<\/table>\n

\u7279\u70b9<\/h2>\n
    \n
  • 1.25mm pitch disconnectable crimp-style connector<\/li>\n
  • Top-entry (straight) SMT configuration<\/li>\n
  • 12-position single-row layout<\/li>\n
  • Low insertion force for easy mating<\/li>\n
  • Nickel barrier plating (N) for improved solderability<\/li>\n
  • Tin-plated phosphor bronze contacts<\/li>\n
  • Lead-free compliant<\/li>\n<\/ul>\n

    \u5e94\u7528<\/h2>\n
      \n
    • LCD display signal interfaces<\/li>\n
    • Industrial control multi-channel connections<\/li>\n
    • Communication module interfaces<\/li>\n
    • AV equipment signal routing<\/li>\n
    • Medical device internal wiring<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"

      Product Overview The BM12B-GHS-TBT(LF)(SN)(N) from JST is a 12-position 1.25mm pitch GH series Shrouded Header, designed for Top-Entry (Straight) surface-mount applications. Rated at 1A and 50V AC\/DC, this connector provides reliable wire-to-board connectivity in a compact form factor. Key Specifications Manufacturer JST Series GH Pitch 1.25 mm Number of Positions 12 Mounting Type SMT Orientation […]<\/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":[66],"tags":[1530],"chip_brand":[243],"class_list":["post-10284","post","type-post","status-publish","format-standard","hentry","category-connectors-interconnect-devices","tag-bm12b-ghs-tbtlfsnn","chip_brand-jst"],"acf":{"brief_explanation":"JST GH Series 1.25mm pitch, 12-circuit SMT top-entry shrouded header, 1A, 50V, nickel barrier, tin-plated, lead-free","date_code":"","package_case":"SMT Header (1.25mm pitch, 12 pos, top-entry)","in_stock":3535,"datasheet":"https:\/\/www.jst-mfg.com\/product\/pdf\/eng\/eGH.pdf","price":"","product_introduction":"The BM12B-GHS-TBT(LF)(SN)(N) is a 12-position 1.25mm pitch surface-mount top-entry shrouded header from JST's GH connector series. The (N) suffix indicates a nickel barrier layer in the contact plating, which improves solder joint reliability by preventing tin-copper intermetallic growth during thermal cycling. The 12-circuit configuration provides a compact multi-signal interface for parallel data, address, and control lines in display and communication applications. The low insertion force design ensures easy mating despite the higher pin count.","working_principle":"The BM12B-GHS-TBT(LF)(SN)(N) operates as a 12-circuit connector in the GH series. The (N) nickel barrier between the copper alloy base material and the tin surface plating acts as a diffusion barrier, preventing the formation of brittle copper-tin intermetallic compounds that can weaken solder joints over time and under thermal stress. This is particularly important for 12-circuit SMT connectors where the larger number of solder joints increases the probability of at least one joint failing. The top-entry orientation provides vertical cable egress, and the TBT tape and reel packaging enables standard pick-and-place assembly.","pin_description":"
      Pin<\/th>Name<\/th>Type<\/th>Function<\/th><\/tr>
      1<\/td>Circuit 1<\/td>Signal<\/td>First contact position<\/td><\/tr>
      2-11<\/td>Circuit 2-11<\/td>Signal<\/td>Signal contact positions 2 through 11<\/td><\/tr>
      12<\/td>Circuit 12<\/td>Signal<\/td>Twelfth contact position<\/td><\/tr><\/table>","application_scenarios":"
      • LCD Display Interface:<\/strong> 12-bit parallel RGB display data connections for small to medium LCD panels in industrial and consumer devices.<\/li>
      • Communication Module:<\/strong> Multi-channel data and control signal connections for wireless modules with 12 circuits covering data bus and handshake lines.<\/li>
      • Industrial Control:<\/strong> Multi-channel I\/O connections for PLCs with nickel barrier ensuring long-term solder joint reliability in thermal cycling environments.<\/li>
      • AV Equipment:<\/strong> Internal signal routing for audio\/video processing boards where 12 circuits cover typical data paths.<\/li><\/ul>","alternative_models":"
        Manufacturer<\/th>Part Number<\/th>Pitch<\/th>Circuits<\/th>Notes<\/th><\/tr>
        JST<\/td>SM12B-GHS-TB(LF)(SN)<\/td>1.25mm<\/td>12<\/td>Side-entry variant<\/td><\/tr>
        JST<\/td>BM10B-GHS-TBT(LF)(SN)<\/td>1.25mm<\/td>10<\/td>10-circuit version<\/td><\/tr>
        JST<\/td>BM14B-GHS-TBT(LF)(SN)<\/td>1.25mm<\/td>14<\/td>14-circuit version<\/td><\/tr>
        Molex<\/td>51021-1200<\/td>1.25mm<\/td>12<\/td>PicoBlade alternative<\/td><\/tr><\/table>"},"_links":{"self":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10284","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=10284"}],"version-history":[{"count":0,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/posts\/10284\/revisions"}],"wp:attachment":[{"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/media?parent=10284"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/categories?post=10284"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/tags?post=10284"},{"taxonomy":"chip_brand","embeddable":true,"href":"https:\/\/ic-vendor.com\/zh\/wp-json\/wp\/v2\/chip_brand?post=10284"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}