8-TDF-400
-- 三角形彈片 TDF --產品規格參數
圖紙
實體
| 項目名稱 | 描述 | 項目名稱 | 描述 |
|---|---|---|---|
| A直徑(mm) | 8.0 | 產品型號 | 8-TDF-400 |
| 材料 | 不銹鋼 | 荷重(g) | 0a393e393a393a |
| 荷重公差(g) | 1b7829792a2828282b | 壽命(次數) | 200,000 |
| 材料厚度(mm) | 53606361366063606b | B寬度(mm) | 586b6f6a3d6b6a |
| C高度(mm) | 447774762177727777277626757774762177747771 | E點深度(mm) | 0e3d3e3c6b3d3e3d366d3c6c3f3d3e3c6b3d3e3d3b |
| F點直徑(mm) | 291a181b4c1a1f | 手感(%) | 33 |
尺寸公差 (mm)
x.x: ±0.1 x.xx: ±0.05 (材料厚度和有公差的參數除外)常用鏈接
單位換算 常見問題 產品展示 產品分類檢索 產品尺寸索引 全能搜索相同尺寸 本系列其他彈片規格列表
| 荷重 (g) | 型號 | 荷重 (g) | 型號 |
|---|---|---|---|
| 230 | 8-TDF-230 | 240 | 8-TDF-240 |
| 280 | DN8-TDF-280 SG8-TDF-280 8-TDF-280 | 300 | 8-TDF-300 |
| 350 | DN8-TDF-350 SG8-TDF-350 8-TDF-350 | 400 | DN8-TDF-400 |
| 450 | SG8-TDF-450 8-TDF-450 | 550 | 8-TDF-550 |
不同材料比較
| 功能\材料 | 274213451f1f43421e1f46451e421e1f454544151f421145151e1542111e441f1e421f4616461f421e1e434615421f1e1e1e1242101e171f11151e | 1075247228287475292871722975292872727322287529297229297529297471227529287428747529287572232229 | 2f4a1b4d17174b4a16174e4d164a16174d4d4c1d174a1a16194e4a4a16164b4e1d4a16174b174b4a161718161e1d16 |
|---|---|---|---|
| 表面處理 | 無 | 雙面鍍鎳 | 先雙面鍍鎳,再單面鍍金 |
| 耐腐蝕 | 一般 | 比較好 | 好 |
| 導電性能 | 一般 | 比較好 | 好 |
| 電阻 | 小於100歐姆 | 小於1歐姆 | 小於0.1歐姆 |
| 適用行業 | 消費電子 | 工業、儀器、設備 | 汽車、航空、醫療、銀行 |
| 成本 | 一般 | 高 | 非常高 |
若最終的產品對彈片的阻值要求比較高,建議使用不銹鋼(雙面鍍鎳)或者不銹鋼(單面鍍金)材料。
荷重測試
常用荷重(壓力)測試頭
除了特別指定外,默認荷重(壓力)測試頭的尖頭(0.3mm)尺寸如下圖所示。
PCB參考
PCB 布線建議:
單面板、雙面板
| 名稱 | 描述/規格/參數 |
|---|---|
| 觸電布置 | SPST N.O |
| 開關/工作電壓 | 0.1 to 50電壓(直流) V DC |
| 開關功率 | 1 瓦Watt |
| 開關電流 | 0.005 to 100毫安(直流) mA DC |
| 接觸電阻 | 單面鍍金 <0.10 歐姆ohm, 雙面鍍鎳 <1 歐姆ohm, 不銹鋼 <100 歐姆ohm |
| 回彈時間 | <0.3毫秒ms |
| 觸點時間 | <0.6毫米ms |
| 工作溫度 | -40 攝氏度degrees C to +100 攝氏度degrees C |
| 存儲溫度 | -55 攝氏度degrees C to +100 攝氏度degrees C |
以上所列數值是標準數值參考,這些數值主要取決於在最終產品上實際組裝的狀況。
雙面板PCB尺寸參數表
| ID | 項目名稱 | 產品規格參數 | ID | 項目名稱 | 產品規格參數 |
|---|---|---|---|---|---|
| 1 | 彈片直徑(mm) | 8.00 | 2 | 直徑D尺寸(mm) | 3.20 |
| 3 | T寬度尺寸(mm) | 0.90 | 4 | 直徑E尺寸(mm) | 9.20 |
| 5 | 直徑F尺寸(mm) | 6.20 | 6 | 直徑G尺寸(mm) | 0.90 |
使用方法
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產品簡介
金屬彈片(又稱鍋仔片或metal dome, snap dome),(因為其開關像倒扣過來的鍋,故俗稱 鍋仔片, 或' 鍋子片'),英文 metal dome,采用不銹鋼製成, 是開關上的一個重要組成部分,借助於金屬彈片的的導通性,在使用者和產品之間起到一個優質的開關的作用。同時,利用金屬彈片的穩定回彈力(按下後自動復位),其特點超長的壽命,給使用者提供優質的觸覺反饋。金屬彈片所使用的材料比較薄(通常使用0.05mm~0.15mm)不銹鋼鋼帶(鋼材牌號通常使用301或者304),金屬彈片是開關上的一個重要的組成部分。金屬彈片主要應用於薄膜開關、接觸開關、PCB板、FPC板,醫療器械等產品中。
金屬彈片的工作原理:薄膜按鍵上的金屬彈片位於PCB板上的導電部位(大部分位於線路板上的金手指上方),當受到按壓時,彈片的中心點下凹,接觸到PCB上的線路,從而形成回路,電流通過,整個產品就得以正常工作。
彈片采用進口不銹鋼材料,此材料含碳量低(0.08%),抗氧化度高, 本產品品質優良,性能好。產品通過SGS認證,提供可靠的質量保證,符合歐盟REAH法規和RoHS指令,產品符合環保要求。
金屬彈片(鍋仔片)的工作原理
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常見彈片的包裝形式如下:
- 彈片散包裝袋: 彈片(鍋仔片)主要包裝形式
- 彈片貼紙: 快速組裝、節省人工、提高效率
- 彈片編帶裝 : 用於SMD自動化上料貼片

行業應用
廣泛應用於手機、數碼相機、電話、MP3以及其它數碼產品等,金屬彈片(鍋仔片)是在生活中無處不在的,比如您的手機按鍵,做飯的電磁爐按鍵、各類家用電器、各種健身電子器材、各類電器、電子設備、儀表儀器等。各類行業應用僅羅列常用用途如下:
- 各類遙控器:如門禁密碼鎖、電子密碼器、ATM機、數據采集器、金屬鍵盤、保險箱、手機、電子秤、POS機等
- 各類鍵盤:如電視遙控器、空調遙控器、工業設備遙控器、汽車遙控鑰匙等。
- 各類電器、電子玩具、健身電子器材:如跑步機、電飯煲、微波爐、洗衣機、電磁爐、VCD/DVD、電視機、MP3、錄音筆、電子手表、藍牙音箱等。
- 各類電子設備、儀表、儀器、醫療設備及儀表:如電子壓力計、電子血壓計、電子血糖計等。
產品規格書 文檔下載:
產品規格書-
1
產品咨詢和產品選型
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2
樣品測試和樣品確認
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3
訂單采購和生產排期
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4
產品交貨和售後服務
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