OSRAM 5W LED Bulb Repair & Failure Analysis

Teardown and repair of a modern cost optimised consumer grade 'frosted candle' style LED bulb from OSRAM and in-depth analysis of the failed component. This light is advertised as 5.5 W 470 lm with a lifetime of "up to" 15,000 hours and costs at the time of writing in 2021, AU$4.90 (AU$6.00 as of 2022). It is estimated this light had approximately 2,000 - 4,000 operating hours before failing.

Replacement inductor used was a B82145A1106J000 manufactured by EPCOS - TDK Electronics (AU$1.89).

00:00 – Intro
00:30 – First Look
01:24 – Testing LEDs
02:08 – Removing PCBs
02:57 – Testing PSU
05:40 – Repair
06:50 – Component Analysis Preparation
10:35 – Component Failure Analysis
11:45 – Outro

REF: WT-YT-V-10

[pbean]

Had no earthly idea where you were heading with the epoxy trick. That's cool! I'm impressed.

[jotalacerda]

Fantastic how deep you went into details, it's a nice lesson of how things are really inside. Congrats!

[mahmoudbitar]

Because of you, today i was able to fix my bulb with exact same issue, Thank you sir !!, Randomly YouTube recommended this video for me and the idea came to my mind to check, nothing was planned

[niconine]

Had to subscribe. Love the way you put this all together. No annoying back ground noise or music either

[bkhoavo]

Don’t ever let this guy investigate the crime you committed.

[ytkristf]

Wow... This 2K epoxy + sanding is a great idea to analyze a part, thanks for sharing! :-)

[kartnkrazy]

Very informative video!! Especially showing the use of epoxy to stabilise the part so you were able to expose the interior structure of the inductor. I'll use that technique myself in the future. Well done, Sir.

[jerzyszwengruben]

Im absolutely impressed. The mulfunction analysis, mainly. Good job. Thank you.

[JohnSnow-vfjo]

So nice to find one of these videos with speech, and also well worth watching. Thanks for sharing.

[nunya]

Wonderful, interesting video! If all videos were as clear, concise, void of annoying background music as this one is, YouTube would be a FAR better place. Well done, sir! 👍

[biggusmunkusthegreat]

Wow this went way deeper than I expected. Subbed. I never thought of using resin for something like this, it's genius.

[pauldelmonico]

That epoxy trick is clever! Fantastic analysis all the way through. Those AD/DC converter boards almost always fail before the LEDs.

[teresashinkansen]

Oh I thought I was the only one who liked to do that kind of component analysis, somehow find it so satisfying to sand down the components and look at the cross sections with a microscope. You can use higher magnifications say 100x and stitch a larger picture, they are great as nerdy high resolution posters. Maybe its dumb but I was giggling at the sounds of the sanding fastforward. Subscribed!

[bestbiker]

Hey man, great stuff, you need to make more videos, your analysis is awesome!

[superspecialty]

It’s very interesting to me, because I’m a retired submarine mechanic who worked on humongous parts from sonar dome to rudder & stern diving plans. But, in my senior years it’s the miniature/micro things that are of interest.

[hernancoronel]

Came for the bulb, stayed for the inductor and the nice pictures! Awesome and very interesting video, thank you!

[Alex-rrqc]

Man, what a mystery solving of tech video this is! Definitely a like and subscription on my side

[hobo]

Awesome work, this should be in public schools under technology and sustained development, not some whiny kids and junkies sticking themself to art. Real electric magic!

[A-A-A-A-A-A-A-A]

Wow, amazing video. Thanks. Please make such Quality videos again and show us how to repair different types of issues in LED light bulbs

[garyholland]

This video is exactly why I trawl youtube for interesting content. Smart guy, fantastic from start to finish. I'm subscribing hope it helps you make more great content.