tip42c参数-tip42c引脚图(tu)电路应用-tip42c规格书下载(zai)-KIA MOS管
信息来源(yuan):本(ben)站 日(ri)期:2019-03-29
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tip42是由美国得克萨斯仪表公司生产的,应用(yong)(yong)材料是SI-NPN.应用(yong)(yong)于低频,音频,或功率(lv)放(fang)大之用(yong)(yong),TIP41C的极限工(gong)(gong)作(zuo)电压(ya)max为(wei)100V.最大工(gong)(gong)作(zuo)电流I=6A。TIP41 NPN中功率(lv)三极管,广泛用(yong)(yong)于信号放(fang)大及音频功放(fang)用(yong)(yong)晶体管,可与TIP42 PNP管做互补对称管使(shi)用(yong)(yong).
1、基集
2、集(ji)电极
3、发(fa)射极
(一)
当PB01端输(shu)(shu)入1时,也就(jiu)是(shi)光耦(ou)管(guan)截止(或(huo)开(kai)路),则(ze)Q2必(bi)定(ding)截止,Q4跟随(sui)截止(继电(dian)(dian)器断电(dian)(dian));当PB01端输(shu)(shu)入0时,也就(jiu)是(shi)光耦(ou)管(guan)导通(tong)(或(huo)短路),则(ze)Q2必(bi)将(jiang)导通(tong),Q4也导通(tong)(继电(dian)(dian)器加电(dian)(dian));为了控制稳(wen)定(ding),必(bi)须给(ji)Q2提(ti)供可靠的(de)集电(dian)(dian)极(ji)电(dian)(dian)流,就(jiu)是(shi)加个集电(dian)(dian)极(ji)电(dian)(dian)阻(一端直接接地(di)),如(ru)陈坚(jian)道先生给(ji)的(de)那个图(tu)。因(yin)为你用了个大(da)(da)功(gong)率管(guan),也不知道你继电(dian)(dian)器电(dian)(dian)流需要多大(da)(da),如(ru)果(guo)Q4基极(ji)电(dian)(dian)流不够,可以(yi)去(qu)掉R14(即短路掉),R11的(de)值减小些以(yi)加大(da)(da)Q2集电(dian)(dian)极(ji)电(dian)(dian)流。
(二)
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