LED Bulb Flickering

[jims-terrano]

First of all, I'm having issues with flickering LEDs but these are NOT the bulbs supplied by Sweety. I first replaced the 501 sidelights earlier this year, after a few weeks or so one of the LEDs in the cluster started flickering/flashing. I wasnt happy with the output of this style of bulb so got a pair of the bulbs that are a cube shape. Today Ive noticed one of these LEDs has started doing the same.

Im assuming that a bulb doing that wont pass MOT so thatll need sorting.

Has anyone else had similar issues?

 

[Sweety]

Almost had heart failure when I read the heading:lol the only thing I can think of is the one of the LED's dieing, are the SND type. I had the flickering with some old interior LED bulbs just before they died but they were the normal type ones not SND LED's

 

[Lazy-Ferret]

It seems to be something the white and blue LED's do when they get older. I believe that when the supply voltage is too low, the way the driver works, makes them start to flash.

I took some of mine that were doing it, apart one time, and they are very badly made inside. 1 was your conventional style of LED, with a resistor in one lead. The lead of the LED, was cut very short, and the end of the resistor was the same, then they had just put a bit of heat shrink over it, with out soldering it, and just the fact that the 2 wires were touching was all that was making the electrical connection.

The second one, was a more expensive one, which used a constant current driver board, and again, the only connection between the LED and the driver board, was a couple of contact points, that had corroded up. When I cleaned it up, and re-soldered it, it was working fine again, but I had mangled the case to get to it, so could not use it as a bulb again.

 

[jims-terrano]

Dont worry Sweety as said earlier they are not the ones bought from you pal.

Well the first one to do this is what I would call standard LED with plastic dome type casing, think there was about six of the to one bulb if I remember right. The second type is a cube shaped bulb with a single flat LED sort of a yellow colour on each side of the cube. I have once had an LED torch that did the same. As Clive says its probably a white led thing and as expected yeah they will be cheaply made.

 

[firebobby]

I had this with interior lights bulbs off ebay, I had 3 further bulbs sent out and the last one sent out has been in there a couple of years now.
My son has 501's which don't last and flicker, then die