DN8.4-4-LEG-D-350
-- 四脚弹片 4-LEG-D --产品规格参数
图纸
实体
| 项目名称 | 描述 | 项目名称 | 描述 |
|---|---|---|---|
| A直径(mm) | 8.4 | 产品型号 | DN8.4-4-LEG-D-350 |
| 材料 | 双面镀镍 | 荷重(g) | 45767676707675 |
| 荷重公差(g) | 234011411210101013 | 寿命(次数) | |
| 材料厚度(mm) | 487b787a2d7b787b70 | B宽度(mm) | 5f6c6e6d3a6c686c66 |
| C高度(mm) | 407370722573757377237222717370722573707375 | E点深度(mm) | 497a797b2c7a797a712a7b2b787a797b2c7a797a7c |
| F点直径(mm) | 52616360376166 | 手感(%) | 0e3d3a3d3b3c3e386a3837386b |
尺寸公差 (mm)
x.x: ±0.1 x.xx: ±0.05 (材料厚度和有公差的参数除外)常用链接
单位换算 常见问题 产品展示 产品分类检索 产品尺寸索引 全能搜索相同尺寸 本系列其他弹片规格列表
不同材料比较
| 功能\材料 | 11742573292975742828252929742828237023 | 492c7d2b71712d2c70707d71712c70707b287b7b712c7c712f712a2c70702d287b2c70707c71792c70707c712d7b70 | 2c49184e1414484915151814144915151e4d1e1e14491914481519491515484d1e49151519141c4915141b151d1e15 |
|---|---|---|---|
| 表面处理 | 无 | 双面镀镍 | 先双面镀镍,再单面镀金 |
| 耐腐蚀 | 一般 | 比较好 | 好 |
| 导电性能 | 一般 | 比较好 | 好 |
| 电阻 | 小于100欧姆 | 小于1欧姆 | 小于0.1欧姆 |
| 适用行业 | 消费电子 | 工业、仪器、设备 | 汽车、航空、医疗、银行 |
| 成本 | 一般 | 高 | 非常高 |
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。
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
| 名称 | 描述/规格/参数 |
|---|---|
| 触电布置 | SPST N.O |
| 开关/工作电压 | 0.1 to 50电压(直流) V DC |
| 开关功率 | 1 瓦Watt |
| 开关电流 | 0.005 to 100毫安(直流) mA DC |
| 接触电阻 | 单面镀金 <0.10 欧姆ohm, 双面镀镍 <1 欧姆ohm, 不锈钢 <100 欧姆ohm |
| 回弹时间 | <0.3毫秒ms |
| 触点时间 | <0.6毫米ms |
| 工作温度 | -40 摄氏度degrees C to +100 摄氏度degrees C |
| 存储温度 | -55 摄氏度degrees C to +100 摄氏度degrees C |
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
| ID | 项目名称 | 产品规格参数 | ID | 项目名称 | 产品规格参数 |
|---|---|---|---|---|---|
| 1 | 弹片直径(mm) | 8.40 | 2 | A尺寸(mm) | 8.20 |
| 3 | B尺寸(mm) | 5.40 | 4 | W尺寸(mm) | 1.50 |
| 5 | 直径D尺寸(mm) | 3.50 | 6 | T宽度尺寸(mm) | 0.90 |
| 7 | 直径E尺寸(mm) | 9.60 | 8 | 直径F尺寸(mm) | 6.60 |
| 9 | H宽度尺寸(mm) | 0.50 |
双面板PCB尺寸参数表
| ID | 项目名称 | 产品规格参数 | ID | 项目名称 | 产品规格参数 |
|---|---|---|---|---|---|
| 1 | 弹片直径(mm) | 8.40 | 2 | 直径D尺寸(mm) | 3.50 |
| 3 | T宽度尺寸(mm) | 0.90 | 4 | 直径E尺寸(mm) | 9.60 |
| 5 | 直径F尺寸(mm) | 6.60 | 6 | 直径G尺寸(mm) | 0.90 |
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。
金属弹片(锅仔片)的工作原理
583d61606f61693d6d3a69613d3d6d3a3b3a613d6f6061606f3d6f6139606c3d6d3a6f396d3d6c3a3c613b3d6d603d613e3d6f6168606e3d3e3a3b61393d60616e606c3d60606e613b3d6e603b60613d61616c393d3d6c3a6060393d6f6139606c3d61606f61693d6d3a69613d3d6d3a3b3a613d6f6061606f3d6c3a3c603c3d6c3a39603d6d686c6b6c6a3d6e613c3a3e3d6c3a6060393d6f6139606c3d6d393e3a3b3d6f616c3a6d3d61606b39603d6c3a3c603c6a603d6d396c396f3d61606b39603d6d6060606e3d6c3a3c603c3d6c3a39603d3d6f3a393a3e3d603a6f393e3d6e613c3a3e3d6c3a6060393d6f6139606c3d61606f61693d6e6061603a3d6e603b606f3d6c3a6060393d6e616e3a613d3e3a3b60613d3e3a3b603b3d6d3a3c616b3d6d603e616f3d6d60603a683d6e603b60613d6d603d603a3d6e616f3a6e3d3e3a3b603b3d6d3a3b3a613d6f6061606f3d6f6139606c3d6c3a60393c3d6d3a3e606b3d6f606a3a613d6c3a60603a3d6d606f3a613d3e3a3b603b3d6e603d396d3d60396f396e3d6d60603a686d686c6b6c6a3d6c3a6060393d6f6139606c3d6f3a393a3e3d603a6f393e6a3b3d6c3a3a603d3d606068603b3d6d3a3c396a3d6e606061683d6d613a613d3d603a6f393e3d3e3a3b603b3d6f616c3a6d3d6e3a6d60693d61606861393d603a3e606f3d3e3a3b603b3d6e616d3a6c3d6c3a6039393d6c3a39396f3d6d616b60693d6d3a683a693d6d3a3d616f3d6c3a3a396d3d6e393c396b3d6d3a603a603d6d3a6f396d3d6c3a3c613b3d6b6068606a6a3d6a3d6a3d
常见弹片的包装形式如下:
- 弹片散包装袋: 弹片(锅仔片)主要包装形式
- 弹片贴纸: 快速组装、节省人工、提高效率
- 弹片编带装 : 用于SMD自动化上料贴片

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:
- 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
- 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。
- 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。
- 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。
产品规格书 文档下载:
产品规格书-
1
产品咨询和产品选型
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2
样品测试和样品确认
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3
订单采购和生产排期
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4
产品交货和售后服务
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