{"product_id":"5pcs-lot-1-5a-5v-three-terminal-tegulator-l7805cv","title":"5件裝 L7805CV 7805 5V 1.5A 三端穩壓 IC 適用 Arduino","description":"\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003e產品簡介\u003c\/h4\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e此產品為 5 件裝 L7805CV \/ 7805 正電性線性穩壓 IC，TO‑220 封裝，每顆可由 7–25V 直流輸入提供固定 5V、最高約 1.5A 輸出。 非常適合 Arduino、微控制器實驗板及各類 5V 電路電源設計使用。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/docs.cirkitdesigner.com\/component\/1e489b6c-0e9c-4f1b-98f8-b8590afb7732\/7805\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ch4 class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e主要特點\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e固定 +5V 輸出，連續輸出電流可達約 1.5A（配合合適散熱片可承受較高峰值電流）。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.diyelectronics.co.za\/store\/linear\/2699-l7805cv-linear-voltage-regulator-5v-fixed-output.html\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e輸入電壓範圍廣，建議約 7–25V 直流輸入以保持穩定調壓。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.electronicsforu.com\/technology-trends\/learn-electronics\/7805-ic-voltage-regulator\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003eTO‑220 直插封裝，腳距約 2.54mm，方便插入麵包板或焊接至 PCB。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.addicore.com\/products\/5v-voltage-regulator-1-5a-l7805cv\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e內置過熱保護及短路電流限制，提升電路可靠性及安全性。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.diyelectronics.co.za\/store\/linear\/2699-l7805cv-linear-voltage-regulator-5v-fixed-output.html\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e常用於 5V 穩壓電源模組、Arduino 及其他 5V 邏輯電路、感測器及小型馬達供電。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/easyelectronicsproject.com\/mini-projects\/5v-power-supply-circuit-7805\/\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e腳位說明\u003c\/strong\u003e（正面向住 IC、腳腳向下）\u003c\/p\u003e\n\u003col\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e輸入（IN）\u003c\/strong\u003e：接駁約 7–25V 直流電源。\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e接地（GND）\u003c\/strong\u003e：系統共地。\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e\u003cstrong\u003e輸出（OUT）\u003c\/strong\u003e：提供穩定 +5V 直流輸出。\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch4 class=\"mb-2 mt-4 font-display font-semimedium text-base first:mt-0\"\u003e典型應用\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e由 9V／12V 變壓器或火牛輸入，製作 5V 線性穩壓電源，為 Arduino UNO、Nano 等 5V 開發板供電。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/www.pcbway.com\/project\/shareproject\/Simple_7805_based_5V_regulator_for_Arduino_projects.html\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e為感測器、伺服馬達、繼電器模組等提供獨立 5V 電源，減低雜訊及壓降問題。\u003cspan class=\"inline-flex\" data-state=\"closed\"\u003e\u003cspan class=\"citation-nbsp\"\u003e\u003c\/span\u003e\u003cspan class=\"citation inline\" rel=\"nofollow noopener\"\u003e\u003ca rel=\"noopener\" class=\"inline\" href=\"https:\/\/forum.arduino.cc\/t\/powering-a-servo-through-a-7805-regulator\/486667\" target=\"_blank\"\u003e\u003c\/a\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli class=\"my-2 [\u0026amp;+p]:mt-4 [\u0026amp;_strong:has(+br)]:inline-block [\u0026amp;_strong:has(+br)]:pb-2\"\u003e學生及 Maker 電子實驗、麵包板測試及 DIY 5V 電源模組。\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Sun Cheong Computer Company Limited","offers":[{"title":"Default Title","offer_id":39966333763735,"sku":"21PS000721","price":104.0,"currency_code":"TWD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0440\/4022\/4919\/products\/l7805cv-5v-1-5a-regulator-5pcs-front.png?v=1775466617","url":"https:\/\/scccltd.com\/zh-tw\/products\/5pcs-lot-1-5a-5v-three-terminal-tegulator-l7805cv","provider":"Sun Cheong Computer Company Limited","version":"1.0","type":"link"}