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Need urgent help..!

Discussion in 'General Electronics Chat' started by hasnain, Jun 27, 2012.

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  1. hasnain

    Thread Starter New Member

    Feb 9, 2012
    <snip transformerless power supply schematic>

    Tell me what is function of C1 in above circuit diagram????
    Last edited by a moderator: Jun 27, 2012
  2. t_n_k

    AAC Fanatic!

    Mar 6, 2009
    It acts as a low loss impedance to limit the voltage applied to the bridge rectifier.
  3. mcgyvr

    AAC Fanatic!

    Oct 15, 2009
    transformer-less power supplies should not be discussed on this forum. They aren't safe for the hobbyist.
    Wendy likes this.
  4. Wendy


    Mar 24, 2008
    This is correct, and they can not be made safe. I am closing this thread as it violates AAC policy and/or safety issues.

    6. Restricted topics. The following topics are regularly raised however are considered “off-topic” at all times and will results in Your thread being closed without question:

    • Any kind of over-unity devices and systems
    • Automotive modifications
    • Devices designed to electrocute or shock another person
    • LEDs to mains
    • Phone jammers
    • Rail guns and high-energy projectile devices
    • Transformer-less power supplies
    This comes from our Tos:
    Terms of Service
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