DN17.78-ONN-350

DN17.78-ONN-350

-- 長方形彈片 ONN --

產品規格參數

DN17.78-ONN-350 金屬彈片

圖紙

DN17.78-ONN-350 金屬彈片

實體

項目名稱描述項目名稱描述
A長度 (mm) 17.78 B寬度 (mm) 8.89
材料 雙面鍍鎳 荷重(g) 20131313151310
荷重公差(g) 2715174415451614141417 壽命(次數) 1,000,000
材料厚度(mm) 64575456015754575c C高度 (mm) 2714171542141f1410441545161417154214171412
手感(%) 4c7f797f7c7e7c7a287a757a29      

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


不同材料比較

功能\材料 583d6c3a60603c3d6160393a613d61603a3a3b6a603d6e3a6a616a3d6e613b60613d60396939603d61613c396a3d606161616d3d6f6168606e6a61 137627712b2b77762a2b72712a762a2b717170212b762a2a712a2a762a2a777221762a2b772b77762a2b767120212a 2b4e1f4913134f4e12134a49124e121349494819134e1e121d4a4e4e12124f4a194e12134f134f4e12131c121a1912
表面處理 雙面鍍鎳 先雙面鍍鎳,再單面鍍金
耐腐蝕 一般 比較好
導電性能 一般 比較好
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 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) 17.78 2 直徑D尺寸(mm) 19.40
3 直徑E尺寸(mm) 16.20 4 直徑F尺寸(mm) 5.00
5 直徑G尺寸(mm) 0.90 6 W寬度尺寸(mm) 9.80

使用方法

3101550150025206010254540453550909540609080906540753095052540950085007540708080903545753520952540950530953540950095353540709050957540553090901540553500853540553500953540850010904540450070903540553090953545753520850025203570601025403010155015001550150025207570752025403010155015001550150010802520752070802545404505409085409500208555404535509095406090809065407080553545406535550545404530650045405535508525407500653555405535509555407080809035457535209525406500353505405535708555404535509095406090809065407080553545406535550545406085009055404530650045405535508525407500653555405535509555404085250095405530909015404090109535404530853025407080453055406085009055404530853025408085550035405530909505402090109030252035707520708025403010252075207080254540453550909540609080906540450540908540950020855540809000954540650090953540553095055545753520952540608535000540809060957540553090955540950070900540608055009540709080953540709520906540709520908540453550909540609080906540209010903540909535004540708095057540608055009540709080953540709520906540709520908540809000954540608500905540453550909540609080906545753520952540608535000540809060957540553090955540950070900540608055009540708075352540608055003540408020900540553090950540209010903025203570752070802540301025207520708025454045355090954060908090654045054090854095002085554060850090554045306500454055355085254075006535554055355095554080852090154095007090054085001080154060804080854045005085054055355080854060850090554065008535054080807080254575352095254080900535754040904095554045355090954060908090654040957080654045002080254095054095054045355500354070808090354045301095454090906530554045355090954060908090654040801080054045005080754045353530754045300080454575352095254090953500454055355080854080906095754055309095554095307530254045301095454090906530554045355090954060908090654040957080654045002080254095054095054045355500354090901095254045355530054080857535754045355090954060908090654075055500254045309530954060850090554055355535754060805500954045002535554040800535554020901090302520357075207080254030102520752070802545405535553575406080550095404535509095406090809065405530909555409500709005406530953555407080950575407095209085404500208025404535509095406090809065457535209525408090053575404090409555408090150015407090908015404500553005408085509095407090908075409090109045407080109555404500208545457535209525407095209085408095553045408500153535406095409065407085353055405530909555409500709005404500550505404535750535457535209525405530909015409090950525404085250090202065402040602540553090901540750525000540553090955540950070900540553550954540708075352540809010808540409010953540708045309540209010903025203570752070802540301025207520708025454045355090954060908090654055309095554090902535554080804530654070852085754055354530454075302500054040852500954075301530554055309505554575352095254040852500954075301530554055309505554070808090354080807080254055308090454055350090754095000500954080855500354070852090254095000095254070909080154055309090154045300500554075301500654040952080754090907085254575352095254045355530054080857535754045301095454080853535354020901090302520357075207080254030102520752070802545404535509095406090809065404500253555404080053555407530950525409500850075407080809035457535209525404535353505409505553015405535553575406080550095406080109025404085409535406085753555409090750015408500150555457535209525408090053575404090409555407530950525409500850075408090009545406500909535405530950555404095708065404500208025404530109545409090653055404535509095406090809065406500153055407080109555402090109030252035707520708025403010252075207080254540453550909540609080906540450020802540409500853540753095052540950085007540708080903545753520952540808520901540950070900540750015308540708020850540608055003540408020900540950070957540750015352540708535309540950070900540753000903540809015303540950000952540753095052540809060957545753520952540750505003540753095052540450020802540409500853540708080903540409040909540850010801540409040909540809060953540708055354540453550909540609080906540608500905540709060908540409500853545753520952540409040909540850010801540709520908020002015407505250005404535409525404090709555408090153035409500009525404500208025404095008535407505050035407530950525402090109035404500208025404095008535407530950525409500850075408500150555407085209085409500709575404505408505409500709005407530009035457535209525406080550035404080209005409500709575407500153525407085353095407085209085407530950525409500850075409500709005407530009035402090109030252035707520708025403010252075207080254540453550909540609080906540553555357540608055009540708080903545753520952540608535000540809060957540553555357540608055009540408010952540553090901540709085308540750525000540453550909540609080906545753520952540809005357540409040955540553090955540408010952540709085308540750525000540453550909540609080906540753065306540408010909540553555357540608055009540209010903025203570752070802540301015501500155015002520357075707520254030101550150015501500301


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

3154080906080054045300505254045355090954060908090654060850090554045306500454055355085254040954085754060801090754575352085054090807090554090907085254070952090854080955530454055309095054060850090554080906080054045300505254045355090954060908090654055355095554070807535204010502050354070855535754055309095054060850090554045301095454080853535354080902500954055355095503095404500550065408090250095404090909075405535509555407080753525406530608505409530650575407085553575405530909505406085009055408090608005407090809535407095209065405530909505407080753085457535209085457535209525406080453075404095708065404090953015407095209085404500208025407080809035457535209525404535509095406090809065406085009055405530950555404535709025408535308545405530909535404090653085457535209525407095450045409500653095404090953010401050205035405530909505406085009055406530608505409530650570352540453540854540909010952540453555003540709090801540408530854540953065057545753520952540808535353540753040900540809010850540809000954545753520952540708045305540409010953540608055003540408020900540453015300540453540806540553535004540750555002540453095309540453065004540553550852540209010903035403540354

 金屬彈片(鍋仔片)的工作原理

常見彈片的包裝形式如下:

  

  1. 彈片散包裝袋: 彈片(鍋仔片)主要包裝形式

  2. 彈片貼紙: 快速組裝、節省人工、提高效率

  3. 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:

  1. 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
  2. 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。
  3. 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。
  4. 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

  • 2

    樣品測試和樣品確認

  • 3

    訂單采購和生產排期

  • 4

    產品交貨和售後服務