The lifetime tag has no wiki summary.
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How do I compute the lifetime of an electrolytic capacitor?
I am considering using a KZE series (by United Chemi-Con) electrolytic capacitor, which has a specified lifespan of 5,000 hours at 105°C with rated ripple current. Now, for an example assume I am ...
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1answer
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LED lifespan after current increase
I have a 3W LED that the manufacture states that if I 'feed' it with 750mA it will 'live' 100,000 hours (Very good heat sink, mid ambient temperature, etc....).
Assuming this is correct and the ...
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1answer
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Can leaving a Geiger–Müller tube energized continuously cause it to wear out?
I recently acquired a Geiger counter to feed my raging paranoia curiosity.
However, I am wondering if it could harm the Geiger–Müller tube to leave it energized continuously?
I know a couple places ...
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How long will it take to completely run out of power for two A23 batties(12volt each) on a serial circuit with 6 leds?
I'm connecting 6 LEDs serially with two 12volt batteries. Each LED needs 3.2 volt and takes 20mA of current.
I'm using two alkaline max 12 volt batteries(A23 LR23) and ATC is their manufacturer.
I ...
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2answers
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Lower Lifespan Components?
So i've searched around the site, and there have been some questions about Capacitor shelf life and it being a somewhat sensitive components.
But are there any other "Lower" life components that ...
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361 views
What are some ways to extend life of Nixie Tube?
I'm working on a Nixie tube clock and have read that nixie tubes have a life of about a year.
Does anyone know of ways to extend the lifetime of a tube?
Can you use a mosfet to switch the high ...
3
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1answer
191 views
How does memory wear out?
I know that after time due to writing/re-writing memory wears out, and I was reading about a microcontroller from TI which uses "wear leveling" to insure the longest life of some EEPROM that the chip ...
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2answers
210 views
Pb(Lead acid) & LiIon Battery lifespan
Could anyone suggest, why lifetime of Pb batteries is so short in UPSes?
3 years till 0 mAh - I've seen that several times, and some UPSes were not low-end (~250$)...
Are there any ways to make it ...
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1answer
222 views
Large difference between specced values and real values for LED strips?
Recently I bought some "300LED/5meter Waterproof 5630 SMD LED Flexable Strip" i.e. High brightness LED strips from China. In the specifications, it was said that the strip consumes 75W @ 12v, which ...
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How to deal with mains/grid spikes?
Sorry if this is the wrong place. I thought it fit better here than DIY Stack Exchange.
I replaced a 230 V halogen light bulb with a 6 LED package. Now I notice that all the LED's blink every 15 ...
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Does wiring a multi-cell battery pack to provide two different voltages adversely affect cell lifetimes?
A robot-arm kit I am playing with uses 4xD-cell batteries wired in series to provide 6V, with an additional connection on the cross-bar at the end of the pack to provide 3V. This seems reasonable ...
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Power analysis of a simple circuit and battery lifetimes
I only do electronics stuff as a hobby so forgive my simple question.
I have a simple IR LED/photodiode detector circuit hooked up to an arduino microcontroller. It's not important but the purpose is ...
