853-049542-173-1 LAM 印制板

PCB(printed circuit board)即印制线路板，简称印制板，是电子工业的重要部件之—。几乎每种电子设备，小到电子手表、计算器，大到计算机、通信电子设备、军用武器系统，只要有集成电路等电子元件，为了使各个元件之间的电气互连，都要使用印制板。印制线路板由绝缘底板、连接导线和装配焊接电子元件的焊盘组成，具有导电线路和绝缘底板的双重作用。

MPSII电源系统的主要特点:可调整的电源系数

交流输入电源具有个灵活的，可调整的电源系数。它为0.95;在冗余配置情况下可在线更换电源部件

在需要时，可在系统操作中更换电源块(需要关闭一-路供电源来人身安全):可实现2N冗余配置

电源块可实现2N冗余配置，并共担负荷。正常时每路电源各承担50%的负荷:可拉收多种给入由源.

导线的最大载流能力

由于导线有电阻，因此当电流流过导线时会产生热量。导线的载流能力定义为导体或绝缘体熔化之前它可以承载的电流。

单芯裸铜线可以通过的电流可以增加，直到达到铜的榕点并且电线被吹断。普通的PVC(软质聚氯乙烯)和XLPVC(交联聚氯乙烯)绝缘材料作为电线绝缘层允许长期工作的最高温度为105°℃，为了保证安全，电线不能超过绝缘材料的最高工作温度。

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853-049542-173-1 LAM 印制板

Model No. : 853-049542-173-1

Brand :LAM

PCB(printed circuit board) is a printed circuit board, referred to as printed board, is an important part of the electronics industry. Almost every electronic device, small to electronic watches, calculators, large to computers, communication electronic equipment, military weapon systems, as long as there are electronic components such as integrated circuits, in order to make the electrical interconnection between the various components, to use printed boards. The printed circuit board is composed of an insulating base plate, a connecting wire and a welding pad for assembling welded electronic components, and has the dual function of conducting circuit and insulating base plate.

The main features of the MPSII power system are: adjustable power coefficient

The AC input power supply has a flexible, adjustable power coefficient. It is 0.95; In redundant configuration, power components can be replaced online

When necessary, you can replace the power block during system operation (only one power supply must be turned off for personal safety): 2N redundancy is implemented

The power supply block can realize 2N redundancy configuration and share load. Normally, each power supply bears 50% of the load: a variety of incoming and outgoing sources can be pulled.

The maximum current carrying capacity of the conductor

Because the wire has resistance, heat is generated when the current flows through the wire. The current carrying capacity of a wire is defined as the amount of current that a conductor or insulator can carry before it melts.

The current that a single core bare copper wire can pass through can be increased until the copper FIG point is reached and the wire is blown. Ordinary PVC(soft polyvinyl chloride) and XLPVC(cross-linked polyvinyl chloride) insulation material as a wire insulation layer to allow long-term work of the maximum temperature of 105° C, in order to ensure safety, the wire can not exceed the maximum working temperature of the insulation material.

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