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不同材料比较

若最终的产品对弹片的阻值要求比较高，建议使用不锈钢（双面镀镍）或者不锈钢（单面镀金）材料。

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荷重测试

常用荷重（压力)测试头

除了特别指定外，默认荷重（压力)测试头的尖头(0.3mm)尺寸如下图所示。

PCB参考

PCB 布线建议：

单面板、双面板

以上所列数值是标准数值参考，这些数值主要取决于在最终产品上实际组装的状况。

单面板PCB尺寸参数表

双面板PCB尺寸参数表

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使用方法

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产品简介

金属弹片 ( 又称锅仔片或metal dome, snap dome ) , ( 因为其开关像倒扣过来的锅,故俗称 锅仔片, 或' 锅子片' ) , 英文 metal dome , 采用不锈钢制成， 是开关上的一个重要组成部分，借助于金属弹片的的导通性，在使用者和产品之间起到一个优质的开关的作用。同时，利用金属弹片的稳定回弹力（按下后自动复位），其特点超长的寿命，给使用者提供优质的触觉反馈。金属弹片所使用的材料比较薄 ( 通常使用 0.05mm ~ 0.15mm ) 不锈钢钢带（ 钢材牌号通常使用301或者304 ），金属弹片是开关上的一个重要的组成部分。

金属弹片主要应用于薄膜开关、接触开关、PCB板、FPC板，医疗器械等产品中。金属弹片的工作原理：薄膜按键上的金属弹片位于PCB板上的导电部位( 大部分位于线路板上的金手指上方 ），当受到按压时，弹片的中心点下凹，接触到PCB上的线路,从而形成回路，电流通过，整个产品就得以正常工作。

弹片采用进口不锈钢材料，此材料含碳量低(0.08%)，抗氧化度高, 本产品品质优良，性能好。产品通过SGS认证，提供可靠的质量保证，符合欧盟REAH法规和RoHS指令，产品符合环保要求。

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金属弹片（锅仔片）的工作原理

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常见弹片的包装形式如下:

  

1. 弹片散包装袋: 弹片（锅仔片）主要包装形式





2. 弹片贴纸: 快速组装、节省人工、提高效率





3. 弹片编带装 : 用于SMD自动化上料贴片

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行业应用

广泛应用于手机、数码相机、电话、MP3以及其它数码产品等，金属弹片(锅仔片)是在生活中无处不在的，比如您的手机按键，做饭的电磁炉按键、各类家用电器、各种健身电子器材、各类电器、电子设备、仪表仪器等。各类行业应用仅罗列常用用途如下：

1. 各类遥控器：如门禁密码锁、电子密码器、ATM机、数据采集器、金属键盘、保险箱、手机、电子秤、POS机等
2. 各类键盘：如电视遥控器、空调遥控器、工业设备遥控器、汽车遥控钥匙等。
3. 各类电器、电子玩具、健身电子器材：如跑步机、电饭煲、微波炉、洗衣机、电磁炉、VCD/DVD、电视机、MP3、录音笔、电子手表、蓝牙音箱等。
4. 各类电子设备、仪表、仪器、医疗设备及仪表：如电子压力计、电子血压计、电子血糖计等。

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产品规格书 文档下载：

产品规格书