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2098DSD075X
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2098DSD150
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2098DSDHV030
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2098DSDHV030X
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2098DSDHV050
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2098DSDHV100
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2098DSDHV100X
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2098DSDHV150
2098DSDHV150DN
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2098DSDHV150X
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2098DSDHV220
2098DSDHV220DN
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2098DSDHV220X
2098DSDHV220XDN
2098DSD005
2098DSD005DN
2098DSD005SE
2098DSD005X
2098DSD005XDN
2098DSD005XNV1
2098DSD0101746-N2
1746-NI4
1746-NI8
1746-NO4I
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1746-NO8V
1746-NR4
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1769-L23E-QB1B
1769-L23E-QBFC1B
1769-L23-QBFC1B
1769-L31
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庫(kù)伯勒編碼器kuebler 05.2420.1630.0200.5009現(xiàn)貨因?yàn)榫w管有NPN和PNP型兩類,某些集成電路要求雙電源供電,所以一個(gè)電源電路往往包括有不同極性不同電壓值和好幾組輸出。讀圖時(shí)必須分清各組輸出電壓的數(shù)值和極性。在組裝和維修時(shí)也要仔細(xì)分清晶體管和電解電容的極性,防止出錯(cuò)。熟悉某些習(xí)慣畫(huà)法和簡(jiǎn)化畫(huà)法。后把整個(gè)電源電路從前到后綜合貫通起來(lái)。這張電源電路圖也就讀懂了。例電熱毯控溫電路圖5是一個(gè)電熱毯電路。開(kāi)關(guān)在“1”的位置是低溫檔。220伏市電經(jīng)二極管后接到電熱毯,因?yàn)槭前氩ㄕ?,電熱毯兩端所加的是約100伏的脈動(dòng)直流電,發(fā)熱不高,所以是保溫或低溫狀態(tài)。