撥動(dòng)開(kāi)關(guān)是通過(guò)撥動(dòng)開(kāi)關(guān)柄使電路接通或斷開(kāi),從而達(dá)到切換電路的目的的。撥動(dòng)開(kāi)關(guān)常用的品種有單極雙位、單極三位、雙極雙位以及雙極三位等,它一般用于低壓電路,具有滑塊動(dòng)作靈活、性能穩(wěn)定可靠的特點(diǎn),撥動(dòng)開(kāi)關(guān)主要廣泛用于:各種儀器/儀表設(shè)備,各種電動(dòng)玩具,傳真機(jī),音響設(shè)備,醫(yī)療設(shè)備,美容設(shè)備,等其它電子產(chǎn)品領(lǐng)域。簡(jiǎn)單的說(shuō),撥動(dòng)開(kāi)關(guān)就是通過(guò)撥動(dòng)其執(zhí)行機(jī)構(gòu)(開(kāi)關(guān)柄),來(lái)接通或斷開(kāi)電路。它具有滑塊動(dòng)作靈活、性能穩(wěn)定可靠等特點(diǎn),廣泛應(yīng)用于電器、機(jī)械、通訊、數(shù)字影音、樓宇自動(dòng)化、電子產(chǎn)品中。
1、大電流密封型撥動(dòng)開(kāi)關(guān)
它的額定電流高至5A,且采用環(huán)氧樹(shù)脂密封,故為大電流密封型撥動(dòng)開(kāi)關(guān)。它的端子形式有多種,觸點(diǎn)材質(zhì)有鍍銀、金兩種,開(kāi)關(guān)功能多樣。所以,對(duì)此細(xì)分種類較多。廣泛應(yīng)用于電器、機(jī)械中。如1000系列中1203A1CQEB(單極三位)型號(hào),具體參數(shù)及尺寸如下:
SPECIFICATIONS
|
Switch Function |
SPDT |
|
Electrical Ratings |
5A @ 120VAC, 28VDC |
|
Electrical Life |
30,000 cycles typical |
|
Contact Resistance |
< 10 mΩmax initial @ 2-4VDC, 100mA |
|
Dielectric Strength |
1500Vrms min |
|
Insulation Resistance |
> 100MΩ min |
|
Operating Temperature |
-40°C to 85°C |
|
Storage Temperature |
-40°C to 85°C |
2、單側(cè)彈回式表面貼裝型撥動(dòng)開(kāi)關(guān)
執(zhí)行機(jī)構(gòu)的操作在側(cè)面,且引腳為貼片式,故為單側(cè)彈回式表面貼裝型撥動(dòng)開(kāi)關(guān)。廣泛應(yīng)用于通訊、數(shù)字影音中。具體參數(shù)及尺寸如下:
SPECIFICATIONS
|
Switch Function |
SPDT |
|
Electrical Ratings |
300mA @ 6VDC |
|
Electrical Life |
10,000 cycles typical |
|
Contact Resistance |
< 50 mΩinitial |
|
Dielectric Strength |
1000Vrms min |
|
Insulation Resistance |
> 100MΩ min |
|
Operating Temperature |
-40°C to 85°C |
|
Storage Temperature |
-40°C to 85°C |
3、4P3T直插式撥動(dòng)開(kāi)關(guān)
觸點(diǎn)形式為4P3T,引腳為直插式。故為4P3T直插式撥動(dòng)開(kāi)關(guān)。4P3T決定了它有8對(duì)引腳,同時(shí),還有兩對(duì)支架,起支撐、固定、接地的作用。廣泛應(yīng)用于樓宇自動(dòng)化、電子產(chǎn)品中。具體參數(shù)及尺寸如下:
SPECIFICATIONS
|
Switch Function |
4P3T |
|
Electrical Ratings |
200mA @ 30VDC |
|
Electrical Life |
10,000 cycles typical |
|
Contact Resistance |
< 50 mΩinitial |
|
Actuation Force |
250 +/- 100gF |
|
Dielectric Strength |
1000Vrms min |
|
Insulation Resistance |
> 100MΩ min |
|
Operating Temperature |
-40°C to 85°C |
|
Storage Temperature |
-40°C to 85°C |
4、長(zhǎng)執(zhí)行機(jī)構(gòu)頂撥型撥動(dòng)開(kāi)關(guān)
執(zhí)行機(jī)構(gòu)12mm,且位于開(kāi)關(guān)頂端,故為長(zhǎng)執(zhí)行機(jī)構(gòu)頂撥型撥動(dòng)開(kāi)關(guān)。廣泛應(yīng)用于數(shù)字影音、各種儀器/儀表設(shè)備中。具體參數(shù)及尺寸如下:
SPECIFICATIONS
|
Switch Function |
DPDT |
|
Electrical Ratings |
200mA @ 30VDC |
|
Electrical Life |
10,000 cycles typical |
|
Contact Resistance |
< 50 mΩinitial |
|
Actuation Force |
200 +/- 100gF |
|
Actuator Travel |
4.0 mm total |
|
Dielectric Strength |
1000Vrms min |
|
Insulation Resistance |
> 100MΩ min |
|
Operating Temperature |
-40°C to 85°C |
|
Storage Temperature |
-40°C to 85°C |




宏煜盛實(shí)業(yè)生產(chǎn)的撥動(dòng)開(kāi)關(guān),是按照ROHS標(biāo)準(zhǔn)進(jìn)行選材、研發(fā)、開(kāi)模、設(shè)計(jì)、生產(chǎn)、測(cè)試與試驗(yàn)的;我們生產(chǎn)的撥動(dòng)開(kāi)關(guān)都是經(jīng)過(guò)每一項(xiàng)測(cè)試,并符合ROHS要求的。了解更多撥動(dòng)開(kāi)關(guān)資訊可登錄宏煜盛官網(wǎng)
(http://www.yln.net.cn)!