{"type":"product","schema_version":"1.0","item_id":"100949823866","canonical_url":"https://tw.bid.yahoo.com/item/100949823866","title":"►930◄49E線性霍爾元件 49E霍爾感測器 全新 直插 TO-92 SS49E","subtitle":null,"condition":"全新品","currency":"TWD","observed_at":"2026-04-25T19:07:14.349Z","current_price":5,"original_price":null,"stock_status":"in_stock","available_quantity":9782,"sold_quantity":217,"seller":{"id":"Y2849097376","name":"宇倉電子-全館(已含稅)開發票","positive_rate":null,"rating_count":null},"images":[{"url":"https://img.yec.tw/ob/image/6295fc7b-f001-4efe-aec2-6414045c11e7.jpg","role":"main","alt":"商品主圖","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/d2271783-96b4-414a-ae57-3596f0755ed9.jpg","role":"detail","alt":"商品圖片 2","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/bb008c81-7304-4bb7-936a-38b40f239a45.jpg","role":"detail","alt":"商品圖片 3","width":null,"height":null},{"url":"https://img.yec.tw/ob/image/0bc83d97-7e7f-4bbe-9bf2-85221eeb6632.jpg","role":"detail","alt":"商品圖片 4","width":null,"height":null}],"description":"售價為1個\n\n49E 是一款常見的線性霍爾效應感測器（ Hall Effect Sensor）\n\nSS49E 可感應磁場強度並輸出線性電壓訊號，廣泛用於偵測磁鐵位置、轉速感測、接近感應、電流感測等用途。\n\n工作電壓 (Vcc) 2.7V ～ 6.5V\n\n輸出類型 模擬電壓輸出（線性）\n\n靈敏度 約 1.4 mV/Gauss\n\n輸出電壓中心點 約 Vcc/2（無磁場時）\n\n封裝 TO-92\n\n操作範圍 ±1000 Gauss 左右\n\n溫度範圍 -40°C 到 +125°C\n\n輸出特性\n\n在無磁場時，輸出電壓 ≈ Vcc / 2\n\n當磁場靠近：\n\nN極靠近 → 電壓上升\n\nS極靠近 → 電壓下降\n\n可使用 ADC（模擬數位轉換器） 讀取輸出電壓，進一步進行磁場判斷或位置估算。","shipping_methods":[{"name":"郵局掛號","fee":0,"currency":"TWD"},{"name":"7-ELEVEN取貨付款","fee":0,"currency":"TWD"},{"name":"萊爾富取貨付款","fee":0,"currency":"TWD"}],"lowest_shipping_fee":null,"payment_methods":["ATM轉帳","信用卡一次付清","萊爾富取貨付款","7-ELEVEN取貨付款"],"category_id":"2092073513","category_name":"其他耗材","breadcrumb":[{"id":"23336","name":"電腦、平板與周邊","url":"/tw/%E9%9B%BB%E8%85%A6%E3%80%81%E5%B9%B3%E6%9D%BF%E8%88%87%E5%91%A8%E9%82%8A-23336-category.html"},{"id":"2092072621","name":"耗材與線材","url":"/tw/%E8%80%97%E6%9D%90%E8%88%87%E7%B7%9A%E6%9D%90-2092072621-category.html"},{"id":"2092073513","name":"其他耗材","url":"/tw/%E5%85%B6%E4%BB%96%E8%80%97%E6%9D%90-2092073513-category.html"}],"view_count":0,"watch_count":3}