There are two TVS diodes on this PCB for 5v and 12v protection.
有两台电视在这个电路板二极管为5V和12v的保护。
Vacuum gun and 24v soldering iron have good protection of PCB by antistatic design.
吸锡枪及24v烙铁为防静电设计，有效保护线路板。
Main products are as follows: a circuit board, gilded burnish, gold plated copper thick OSP protection (series), PCB plating copper brightener, PCB tin brightener, etc.
主要产品如下：一、线路镀金光泽剂、线路板镀厚金工艺、线路板铜保护(osp)系列、线路板镀酸铜光亮剂、线路板镀锡光亮剂等。
With the requisition for electronic product of the environmental protection field, OSP will become the trend of surface coating of PCB.
随着环保领域对电子产品的要求，OSP将成为PCB表面涂覆的趋势。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
Safety protection, energy save and extend heater life. Auto power cut-off under the circumstances of standby for 30 minutes, failure of temperature test, PCB, heating element and low tip temperature.
当30分钟闲置， 或测温系统出现故障， 如焊咀温度低于警诫线，发热芯或线路板发生故障时，自动切断电源， 具安全，省电及延长芯头寿命的优势。
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