【产品】大电流高压表面贴装PNP硅晶体三极管CXT953，与NPN晶体三极管CXT835互补
CXT953是Central Semiconductor（中央半导体）公司推出的一款大电流、高压硅PNP三极管，采用SOT-89表面封装方式。CXT953兼具高能效和小尺寸的特点，广泛适用于电源管理、电机驱动、DC/DC变换器和开关等产品中。其封装实物图如图1所示。
图1：CXT953封装实物图
CXT953晶体三极管采用硅PNP结构，是NPN晶体三极管CXT835的互补产品。在25℃的测试环境下，其集电极击穿电压为140V，有着高耐受反向击穿电压的特性。并且其集电极连续电流IC为5A，可见其具有大电流的特点。但同时它的功耗PD仅为1.2W，功耗较低，满足低功耗的设计要求。
图2 是CXT953的结构尺寸图，图中1是发射极，2是集电极，3是基极。可知其最大尺寸为4.7mm×4.5mm×1.7mm，具有尺寸小，布局简便，调整灵活的特点。CXT953晶体三极管的热阻参数为104°C /W，具有很强的耐高温和低温的特性，其工作和储存结温为-65至150℃，这使得其具有很好的稳定性，能在严苛环境中正常使用，而不会发生故障或者失效。
图2 晶体三极管CXT953的结构尺寸图
PNP硅晶体三极管CXT953的主要优势和参数：
低饱和电压：最大0.42V @ 4.0A
互补产品：NPN晶体三极管CXT835
SOT-89表面封装
集电极-基极电压： VCBO =140V
集电极-发射极电压： VCEO =100V
发射极-基极电压： VEBO =6V
集电极连续电流 ：IC=5A
功耗： PD =1.2W
工作和储存结温：-65至150℃
热阻： 104℃/W
PNP硅晶体三极管CXT953的典型应用：
电源管理
电机驱动
DC/DC变换器
开关
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本文由青青翠竹翻译自Central，版权归世强硬创平台所有，非经授权，任何媒体、网站或个人不得转载，授权转载时须注明“来源：世强硬创平台”。
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型号- KTC2814,KTA1715
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描述- 本资料介绍了MMBTA55半导体三极管的特性、参数和应用。该器件是一款PNP型硅晶体管，适用于中功率放大和开关应用。资料提供了极限参数、电性能参数、电参数曲线图、外形尺寸图、标记说明、回流焊温度曲线图（无铅）以及包装规格等信息。
型号- MMBTA55,MMBTA05
BRMMDT2227WS双硅NPN和PNP晶体管，采用SOT-363塑料封装
描述- 本数据手册详细介绍了BRMMDT2227WS半导体三极管的特性、参数和应用。该器件是一款双NPN+PNP型硅晶体管，适用于低功率放大和开关应用，具有无卤素和高频性能。
型号- BRMMDT2227WS
采用to-126塑料封装的MJE172硅PNP晶体管
描述- 本数据手册详细介绍了MJE172半导体三极管的特性、参数和应用。该器件是一款PNP型硅晶体管，具有高开关速度，适用于音频功率放大和小电流高速开关应用。
型号- MJE172
电子商城
品牌：Central Semiconductor
品类：Surface mount-MOSFET
价格：￥0.8136
现货： 16,000
品牌：Central Semiconductor
品类：Surface mount Transistor
价格：￥0.5403
现货： 6,000
现货市场
服务
可定制电感可承受4.5KV高压，可适配于30MHz高频应用；支持平共模电感、谐振电感、PFC电感、大电流直流电感等产品电压/频率等参数性能定制；通过AECQ-200认证。
最小起订量： 100000 提交需求>
可定制连接器的间距范围1.25mm~4.5mm、单列/双列列数、焊尾/表面贴装/浮动式等安装方式、镀层、针数等参数，插拔寿命达100万次以上。
最小起订量： 1 提交需求>
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