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Huaibei Huadian-Talking about the difference between passive isolator and active isolator

  • Categories:News
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  • Time of issue:2019-10-25 17:03
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(Summary description)It is generally believed that signal isolators that can work without external power supply are passive isolators; active isolators require a special external power supply, such as 24VDC or 220VAC. Advantages of passive isolators

Huaibei Huadian-Talking about the difference between passive isolator and active isolator

(Summary description)It is generally believed that signal isolators that can work without external power supply are passive isolators; active isolators require a special external power supply, such as 24VDC or 220VAC.
Advantages of passive isolators

  • Categories:News
  • Author:
  • Origin:
  • Time of issue:2019-10-25 17:03
  • Views:
Information
It is generally believed that signal isolators that can work without external power supply are passive isolators; active isolators require a special external power supply, such as 24VDC or 220VAC.
Advantages of passive isolators
 
1. Easy to use and outstanding economy, after all, it saves the power supply and power cord for powering the isolator;
 
2. Low power consumption and high reliability. The power consumption of passive isolators is very low. For example, the power consumption of TA2000 series passive isolators is only 0.07W / channel (typical value at 20mA output), which is an order of magnitude lower than similar active isolators. Lower power consumption means lower heat generation, thus ensuring the reliability of the isolator.
 
Advantages of active isolators
 
1. The equivalent impedance at the input is lower, and the load capacity at the output is stronger;
 
2. The input signal can be a current signal or a voltage signal or other signals, which is more powerful.
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