| Electronics > Beginners |
| How should I protect from electrostatic charges? |
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| Doctorkong:
--- Quote from: McBryce on July 04, 2018, 01:12:47 pm ---Hi Doctorkong, I own quite a few old cartridges for several systems (although I wouldn't describe myself as a collector). Static damage would be an extremely unlikely event with these cartridges as the contacts are well protected from finger touching etc. The only time I've ever seen one being damaged was during connection/disconnection from the console, at which time you'll have removed the anti-static bag anyway. If they are in a box and not being handled, there is zero chance of them being damaged from static. The biggest longterm risk to these "newer" cartridges (the older ones only contained a single EPROM) are the electrolytic capacitors which can leak and eat away at the copper tracks. McBryce. --- End quote --- Happy to know another cartridge owner! :) What do you do when you remove cartirdges from the console? Do you use some precautions? |
| Docara:
Hi Welcome to the forum. I've been to Italy and know what your power grid is like (if you can call it a grid :palm: |O) I would suggest either an online or line-interactive UPS. You guys can have horrendous spikes going through the mains just before your power cuts off. At least having something like this it should protect those old capacitors. Hope this help Matt |
| JS:
Then you could use some conformal coating around the caps, I use a spray can insulator to protect traces en rough environments, so if they leak the electrolyte won't get in contact with the PCB. JS |
| Doctorkong:
Thank you. It's so beautiful to know something more about electronics from exopert like you. It's a world I don't know that I would like to explore better but I need the right people to help me. What's the reason why a CR battery, covered by a plastic shell like that one, can drain its power if the cartridge is closed in an ESD bag? The batter is not in contact with the bag. Maybe the position is risky? I'm asking because I don't understand the physics behind it. |
| helius:
--- Quote from: Doctorkong on July 04, 2018, 11:22:52 pm ---What's the reason why a CR battery, covered by a plastic shell like that one, can drain its power if the cartridge is closed in an ESD bag? --- End quote --- All types of cell have some level of self-discharge, even if they are still sealed in their original packaging. The chemical energy is slowly wasted in side reactions that do not produce an external current. The exception is if some of the chemicals are left out, for example, a lead-acid battery shipped dry to the user, or a zinc-air cell with a sticker sealing the air holes. |
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