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BC54PA

更新时间： 2024-01-13 20:46:11
品牌 Logo 应用领域
爱普科斯 - EPCOS 晶体晶体管开关光电二极管
页数 文件大小 规格书
22页 299K
描述
45 V, 1 A NPN medium power transistors

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BC54PA 技术参数

生命周期：Active零件包装代码：DFN
包装说明：SMALL OUTLINE, S-PDSO-N3针数：3
Reach Compliance Code：compliant风险等级：1.57
外壳连接：COLLECTOR最大集电极电流 (IC)：1 A
集电极-发射极最大电压：45 V配置：SINGLE
最小直流电流增益 (hFE)：63JESD-30 代码：S-PDSO-N3
元件数量：1端子数量：3
封装主体材料：PLASTIC/EPOXY封装形状：SQUARE
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：NOT SPECIFIED
极性/信道类型：NPN参考标准：AEC-Q101; IEC-60134
表面贴装：YES端子形式：NO LEAD
端子位置：DUAL处于峰值回流温度下的最长时间：NOT SPECIFIED
晶体管应用：SWITCHING晶体管元件材料：SILICON
标称过渡频率 (fT)：180 MHzBase Number Matches：1

BC54PA 数据手册

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General Technical Information  
1
Inductive components for electronic equipment  
Especially in this age of fully-electronic and highly-integrated equipment, inductive components are  
indispensable. They are used to store energy intermittently in switch-mode power supplies and  
DC/DC converters, as parts of high-frequency circuits, as filter elements and last but not least as  
interference suppression components to ensure EMC.  
Of course, the demands placed on inductors depend on how and where they are to be used. In HF  
circuits, coils with high quality factors and resonance frequencies are needed. In EMC applications,  
high inductances are required in order to achieve good interference suppression characteristics, low  
Q factors being more desirable here due to the need to avoid resonances.  
EPCOS provides suitable inductive components for all applications. This data book contains a wide  
selection of standard components, from SMT types (starting with SIMID 0402) right up to the 4-line  
high-current inductors for power electronics applications.  
Attention is drawn to the excellent HF characteristics and the extremely high reliability of the com-  
ponents, achieved thanks to large-scale production automation and many years of experience in  
the manufacture of this kind of components.  
An overview of typical applications for inductors and chokes  
Application  
Inductance  
low  
Current rating Resonance  
frequency  
Q factor  
DC resistance  
low  
HF circuits,  
low  
very high  
very high  
resonant circuits  
EMC  
high  
high  
high  
low  
low  
high  
very low  
very low  
low  
Filter circuits  
high  
high  
Switch-mode  
medium  
power supplies,  
DC/DC converters  
depends on the specific application  
1.1 HF circuits  
SMT styles (SIMID product range) and leaded RF chokes are especially suitable for RF and other  
high-frequency circuits. Typical applications are resonant circuits and frequency-selective filters of  
the type being increasingly used in telecommunications engineering and automotive electronics. In  
some cases, special demands on the inductive components arise, for example, when used in trans-  
mitter output circuits of mobile telephones (high Q factors and resonance frequencies) and in air-  
bag control circuits (high pulse currents).  
1.2  
Filter circuits  
When inductive components are used for filters in power supplies for electronics, high inductances, the  
lowest possible DC resistance and a low Q factor are required. The impedance should have a wide-  
band frequency characteristic. In addition to the current rating, the maximum permissible pulse current  
(switching transient currents) and adequately high core material saturation are of importance.  
Chokes belonging to all type series presented here can be used for this range of applications, from  
the SIMID types right up to chokes with powder cores and one or two lines.  
9
04/00  
 
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