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class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>上海市</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎,DCDC電源模塊</p><p><span>***更新：</span>2021-01-19 10:18:31</p><p><span id="click" >瀏覽次數(shù)：1次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="z8cj8rn" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">上海多商電子有限公司</a></p><p><span>聯(lián)系人：</span>吳加斌</p><p><span>郵箱: </span>wu867@126.com</p><p><span>電話: </span>18121221687</p><p><span>傳真: </span>021_69585559</p><p><span>網(wǎng)址: </span>http://www.10000kw.com</p><p><span>手機(jī): </span>021-69585559</p><p><span>地址: </span>上海市嘉定區(qū)科福路358號4號樓4樓</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="ltptvh9" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="n7lhol4" class="box"><p><p style="text-indent:25px">電源模塊在生活中充當(dāng)著重要的角色之一，基本上所有的產(chǎn)品不能少了電。所以，電源模塊的使用是非常普遍的。很多家電用了很長時間都沒有壞，說明內(nèi)里的電源模塊是可靠的?？煽慷雀叩碾娫茨K是什么樣子的，使用高質(zhì)量的部件。其實為什么有些元器件便宜，嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎，有些是貴，區(qū)別在于可靠性。選擇器件參數(shù)要留出空間，比如耐壓，不能假設(shè)市場電壓是220v，嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎，一般來說我們至少應(yīng)該考慮電壓可能高達(dá)265v，甚至更高。電路保護(hù)器件必須設(shè)計，因為沒有電路保護(hù)裝置就相當(dāng)有危險性，也就可靠度不高。好一點(diǎn)的電路板設(shè)計還應(yīng)該可以涂上三防漆，所謂三防漆就是一個防潮、防鹽霧、防霉，再加上沒有防塵、防漏電，更好的還能進(jìn)行防水（IP67）。電源模塊需要CE，UL認(rèn)證，嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎，有的甚至ROHS認(rèn)證（即無鉛認(rèn)證），確保產(chǎn)品符合認(rèn)證要求。模塊電源具有比分立元件電源靈活、高效、可靠等明顯優(yōu)勢。嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057014931033/5133087.png"></div><p style="text-indent:25px">對有TRIM或ADJ(可調(diào)節(jié)1輸出引腳的模塊電源，可通過電阻或電位器對輸出電壓進(jìn)行一定范圍內(nèi)的調(diào)節(jié)，調(diào)節(jié)范圍一般為±10％。對TRIM輸出引腳，將電位器的中心與TRIM相連，在所有+S、-S管腳的模塊中，其他兩端分別接+S、-S。沒有+S、-S時，將兩端分別接到相應(yīng)主路的輸出正負(fù)極(+S接+ ，-S接-UIN)，然后調(diào)節(jié)電位器即可。電位器的阻值一般選用5～10 kΩ比較合適。對ADJ輸出引腳．分為輸入邊調(diào)節(jié)與輸出邊節(jié)。輸出邊調(diào)節(jié)與TRIM引腳的調(diào)節(jié)方式一樣。輸入邊調(diào)節(jié)只能上調(diào)輸出電壓．此時將電位器的其中一端與中心相接，另一端接輸入端的地。一般模塊電源都有內(nèi)置濾波器，能滿足一般電源應(yīng)用的要求。如果需要更高要求的電源系統(tǒng)，應(yīng)增加輸入濾波網(wǎng)絡(luò)?？梢圆捎肔C或Ⅱ型網(wǎng)絡(luò)，但應(yīng)注意盡量選擇較小的電感和較大的電容。為了防止輸人電源瞬態(tài)高壓損壞模塊電源，建議用戶在輸人端接瞬態(tài)吸收二極管并配合保險絲使用．以確保模塊在安全的輸入電壓范圍之內(nèi)。為了降低共模噪聲，可以增加電容，一般選擇幾nF的高頻電容。嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎AC/DC變換是將交流變換為直流。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393057001385962/7188392.png"></div><p style="text-indent:25px">溫度過高，模塊電源調(diào)節(jié)器在工作中全過程中發(fā)燙，造成溫度上升時正常跡象，若溫度過高，變壓器鐵芯和電磁線圈非常容易因溫度造成模塊電源感量的變化。因此在選擇電源模塊時，需了解模塊電源調(diào)節(jié)器工作中的工作溫度來采用規(guī)格型號適度的模塊電源調(diào)節(jié)器。電磁場干擾，模塊電源感器在工作中是因為有模塊電源流流通而在周圍造成電磁場。別的元器件的放置部位應(yīng)盡可能模塊電源感器或與模塊電源感電磁線圈互成直角，以減少干擾。若需求較高，則可改用帶屏蔽罩的模塊電源調(diào)節(jié)器。遍布模塊電源容，模塊電源調(diào)節(jié)器個層電磁線圈中間，會造成遍布模塊電源容積，減少模塊電源調(diào)節(jié)器的實際濾波效果，因此，在履行模塊電源調(diào)節(jié)器開展高頻率過濾的那時候要格外細(xì)致。模塊電源感值的精確測量，用儀表盤精確測量模塊電源感值與Q之時進(jìn)行測量，檢測導(dǎo)線應(yīng)盡可能挨近模塊電源感器，以求統(tǒng)計數(shù)據(jù)準(zhǔn)確。</p><p style="text-indent:25px">高壓電路的主電路是控制電路和高壓生成電路。其中交流供電輸入和所需低壓直流控制電源。以及濾波或功率因數(shù)補(bǔ)償?shù)鹊炔糠志墒褂媚K電源。電真空器件雷達(dá)發(fā)射機(jī)的高壓電源需要專門設(shè)計，對其高壓電源的穩(wěn)定性有較高要求。在設(shè)計高壓電源時通常需要從普通供電系統(tǒng)經(jīng)過兩級或多級穩(wěn)壓以達(dá)到輸出要求。而且還需要考慮電源隔離、體積、散熱、可靠性等問題。高壓電源使用模塊電源的范圍是：濾波功率變換電路，控制部分(低壓)，高壓部分一般不使用市售高壓模塊電源，而要根據(jù)發(fā)射機(jī)使用參數(shù)要求專門設(shè)計。電源模塊只需配上少量分立元件，即可獲得電源。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎,DCDC電源模塊" src="https://tyunfile.71360.com/UploadFile/shdsdz/637393056924431868/869235.png"></div><p style="text-indent:25px">電源模塊市場的發(fā)展環(huán)境：政策環(huán)境模塊電源集電力電子技術(shù)、控制理論、熱設(shè)計、電子兼容性設(shè)計、磁性元器件設(shè)計等技術(shù)于一身，是保證信息安全、工業(yè)自動化的基石，受到國家多項產(chǎn)業(yè)政策的扶持。模塊電源以其更高的轉(zhuǎn)換效率，穩(wěn)定耐用的性能特點(diǎn)，可適用于各種惡劣的工作環(huán)境、且使用方便、易于維護(hù)的各個特點(diǎn)，普遍應(yīng)用于鐵路、通信、航天航空、**、船舶、電子信息、電力、新能源、工控、儀器儀表、電訊、交通車載等領(lǐng)域。而電子信息產(chǎn)業(yè)、航天航空、新能源等應(yīng)用領(lǐng)域是國家計劃優(yōu)先鼓勵發(fā)展的產(chǎn)業(yè)，受到國家政策扶持。尤其是在高可靠和高技術(shù)領(lǐng)域發(fā)揮著不可替代的重要作用。高壓電路的主電路是控制電路和高壓生成電路。松江區(qū)DCDC電源模塊批發(fā)哪家好</p><p style="text-indent:25px">變頻器電源主要用于交流電機(jī)的變頻調(diào)速。嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎</p><p style="text-indent:25px">合理安裝減小機(jī)械應(yīng)力，模塊電源的引出方式均為金屬針，模塊電源與外接線路、金屬針與模塊電源內(nèi)路電路均采用焊接方式連接。在一些特殊場合機(jī)械振動強(qiáng)度較大，尢其是大功率模塊電源上還要加裝散熱器，這種情況更為嚴(yán)重。雖然模塊電源內(nèi)部一般灌封導(dǎo)熱絕緣橡膠可以對元件起到較好的緩沖保護(hù)作用，但焊點(diǎn)有可能經(jīng)受不住強(qiáng)烈振動應(yīng)力而斷裂，導(dǎo)致模塊電源工作失效，這時必須在焊接的基礎(chǔ)上再采取另外的固定和緩沖措施，比如可以用夾具或螺栓（對于有螺孔模塊）將模塊與機(jī)箱、大線路板等相對抗振性能好的部件固定，并且在它們中間墊一些彈性材料以緩沖振動產(chǎn)生的應(yīng)力。總之，模塊電源和其它元器件一樣只有精心選擇、合理應(yīng)用才能使其性能得到較大發(fā)揮，可靠性得到充分保障，模塊電源也才會被更普遍地采用。嘉定區(qū)DCDC電源模塊批發(fā)便宜嗎</p></p><br /><p>文章來源地址: http://m.cdcfah.com/cp/2916810.html</p></div></div></div></div></div><div id="kyahtfo" class="page-right twoColRt"><div id="xgypriw" class="box01 margin10 clearfix"><h3><a href="http://m.cdcfah.com/cp/">猜你喜歡</a></h3><div id="3evsj8u" class="recomPic likePro"><a href="http://m.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強(qiáng) 信息推薦自業(yè)物資供應(yīng)" class="vcenter" 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