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  • In search of a small 42-V relay
    . And the trend shows no sign of waning. But if consumer vehicles were to carry more electrical equipment and stay with the industry's current 12-V power system, it would require significantly thicker wiring, thus increasing costs and weight. The solution is an industry-wide transition from the standard
  • ePanorama.net - Circuits
    of simple semiconductor relay: the ICs have internal zero crossing detector and provide 7.5 kV isolation. The output of IC is photodiac type (100 mA / 400 V at 25 celsius). MOC 3040 need 30 mA control current and MOC 3041 needs 15 mA control current. This means that for 12V input control voltage R1 must
  • Electrical Noise in Motion Control Circuits
    means the difference between logic 0 and logic 1. A common source of relatively high voltage is a coil in a high power relay or. solenoid. When the current to the relay coil or solenoid is rapidly severed the. collapsing magnetic field causes a large voltage spike. Figure (2) shows a 12V. relay

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