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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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3G5A2-RPT01-E датащи(PDF) 81 Page - Omron Electronics LLC |
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3G5A2-RPT01-E датащи(HTML) 81 Page - Omron Electronics LLC |
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81 / 182 page  68 The reverse dielectric strength of the diode must be 10 times the circuit voltage and the forward current must be at least as high as that of the load. If the circuit voltage is low enough, as it is for most electronic circuits, then the reverse dielec- tric strength of the diode can be as low as 2 to 3 times the circuit voltage. Inductive load Power supply Varistor (AC or DC) The method uses the fixed voltage characteristics of a varistor to prevent high voltages from being applied to the contacts. Here, as well, the reset time will be increase somewhat. Connect the varistor between the load connections for 24-V and 48-V power supply voltages and between the contact connections for 100 to 200-V power supply voltages. Inductive load Power supply Output Surge Current When connecting an output device having a high surge current (such as an in- candescent lamp), use one of the following circuit configurations to protect the Output Unit. The following circuit lets the load draw a small current (about one third the rated current) while the output is OFF, significantly reducing the surge current. OUT COM L R + The following circuit reduces the surge current by employing a current-limiting resistor. L OUT COM + R Compliance with EC Directives Section 3-6 |
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