I know a bit of the standardised PCB labelling letters (C is capacitor, L is inductor, U is IC) but does anyone know where I can find a more complete listing? Thanks
-
Re: Standardised PCB labelling?
The component labels are more properly called reference designators. The base standard is ANSI Y32.16-1975 (reaffirmed 1989). This was the basis for IEEE STD 315-1975 (reaffirmed 1988). Because these are not easy to find, the following link has all the relevant information:
http://www.aqeds.com/support/rot/rot_ref_des.asp
Note that this does not prevent manufacturers from creating their own RefIDs based on the standard (e.g., Abit's use of EC for electrolytic capacitors).
-
Looks like I may need a little help from the PSU experts (or anyone really!
) I have a Corsair CX750M (Model 75-002019) that I picked up for free about 4 years ago. This is the PSU:
So here’s what’s strange about this one: it appears to work normally (normal output voltages) and any PC is stable with it. However, after a while (typically 10-20 minutes, but time can vary depending on the load), there is a sweetish smell of burned magnet wire insulation emanating from the PSU. Upon opening the PSU after this happened (many times), I was able to confirm... -
Hi, i have a Lenovo S145 that after 20 seconds shutdown and restart (it's working correctly on thse 20 seconds)
everything seems ok, but on Vcore inductor ( this is an i3 with just 1 switching power supply for CPU)
there is an output to teh CPU with a spike.. seems that inductor can't handle the input...
replaced the capacitor (330) and the inductor (R15) without any change
any idea? very thank you!
input of the inductor seems as usual... only strange thing is that the upper/lower voltages seems to be 21V (main power line is 19.3) ... but not sure this... -
I have a broken samsung galaxy s10 with missing inductor. I want to replace the missing inductor and I have found some vendors. But I don't understand how to read the specifications of the inductor. The specs are:
INDUCTOR-SMD;470NH,20%,2520,T0.8,0.029OH
I understand that the inductor is 470 nH with 20% margin, and the size is 2520 or 1008 (imperial measure), but what do T0.8,0.0290OH mean? I can't find any explanation on the web. -
Hi everyone. I used Acer Travelmate 6292 with BIOS v.13112, Santa Rosa 1436 (VGA Bios version). This BIOS supported title letters for creating password on HDD.
A week ago an element on textolite burnt and I cant turn on laptop.
I thought that title letters support different types of BIOS.
I tried my new laptop lenovo and my friends old Acer and to regret nor mine nor his laptop doesnt support title letters in
Standart HDD 2,5 inches.
How can this problem be resolved?
Lots of BIOS versions of different types of laptops support title letters in password?...05-18-2024, 03:51 AM -
Hi Guys, my WD My Passport drive powers on, then powers off. Ive taken out the motherboard and identified a blown Inductor. Im trying to recover my data only
Reading between leads show nothing. If I removed this Inductor, what would be a suitable replacement? am I correct that its a ferrite Inductor is to just filter noise?
Ive seen people just bridge them, any harm in replacing it with a differnt value Inductor?
Lastly am I correct in thinking there is no polarity on the smd component?
Thanks!...
Comment