Questions tagged [markings]
Used when asking questions about the meaning or use of marks, symbols or codes used on components, PCBs, or cases with regard to controls or connections. Can be used for advice to help identify marking meanings or what markings to use to help others identify.
138 questions
0
votes
1
answer
67
views
SOT23-6 Component identification T9H***
I'm trying to identify a SOT23-6 component (looks like TSOT23-6, since its height is closer to 0.87 mm).
I have three boards, with markings:
T9H7 (first line), 52W56 (second line)
T9H8 (first line), ...
1
vote
5
answers
1k
views
Markings on a ceramic capacitor cannot be correct
I have a dull green looks exactly like a ceramic standard disk capacitor as usual but with marking 104Z. From what I understand, it can only mean 100,000 picofarads equal to 0.1 microfarad, but the ...
- 261
2
votes
0
answers
75
views
Small Brushed DC Motor Replacement
I need help to find a replacement for a small brushed DC motor. It is the traction motor of a pool cleaning robot (Zodiac Tornax OT3200). I assume that the carbon brushes of the motor are worn out, I ...
3
votes
2
answers
166
views
Identify capacitor voltage
Can you help me to identify the voltage of this 1000pF capacitor?
The marking does not indicate the voltage.
8
votes
1
answer
2k
views
Whose company logo is this?
I can't find any specifications for the chip below, but I believe it is an op-amp good for at least the audio frequency range. It's just marked "A 56" (and maybe shows "a dolphin ...
- 916
3
votes
2
answers
274
views
Identify 3-pin SMD component with marking “K38” (not a BSS138)
I’m investigating some intermittent failure on a key fob. On the circuit, I found a 3-pin SMD component that I haven’t been able to identify. As far as I can tell, the package looks like SOT-23. I can ...
- 2,246
1
vote
1
answer
192
views
Identifying IC with marking “K110 B3”
I have a few dysfunctional key fobs I wish I could fix. In order to fix them, I’m trying to understand the circuit, but there’s an IC I could not identify.
Here is a picture of the IC. As far as I can ...
- 2,246
0
votes
1
answer
104
views
Identifying DIR-878 router SMD regulator with markings J4CG and J6LD SOT-23
I’ve tried searching online and asking AI, but I couldn’t find anything. I have a DIR-878 router and I'm trying to learn more about its components and datasheets. There are two unknown components I ...
- 23
1
vote
1
answer
104
views
What's the "SI" marking on this PCB?
The marking on the underside of the board is "SI". I've read in another post that this stands for sidac but it doesn't seem like it's the case on this board, since it's just USB 1.1 and I ...
- 13
1
vote
1
answer
174
views
Looking for datasheet of SOT23-8 chip marked 'DKGAD' used in HW-613 DC-DC module
can you help me with the parameters of this SOT23-8 chip used in the HW-613 buck DC-DC module? It has the marking (DKGAD).
http://prntscr.com/TqCsprGU7sMa
http://prntscr.com/6qkBRzVIl8tc
- 13
0
votes
1
answer
220
views
VB_ marking on 6 pin SMD IC
If any one knows about the type of this IC, please help me to know about it.
This IC is used to drive a power transistor, but I don't know if it is a dual transistor IC or dedicated IC.
- 141
0
votes
1
answer
115
views
Identify SMD Part Marking AM and MO
I need to know the part number of this IC marked AM. It's probably a sot 70 placed between a master device and slave max7301 ic. My guess is it's a logic gate but I cannot find anything to be sure.
I ...
- 107
1
vote
0
answers
90
views
What electronic component is this, marked "11GG"
A 10-pin chip with a screen print of 11GG. May be a Hall sensor, but I can't find any information about this chip. At present, I only know the size of this IC 3.2*2.85 mm. There are magnets near this ...
- 126
2
votes
2
answers
258
views
What does 3EA, 3FA or 3IW mean on a potentiometer?
I'm trying to figure out markings on potentiometers in a guitar amp. Below the usual "B100K", etc. there are additional inscriptions like "3EA", "3FA" or "3IW"....
- 239
1
vote
1
answer
383
views
Identify SOT23-6 smd marking code 169 324
This chip in electronic load DL24M, please help me identify it.
pin 4 it's out
and connected with pin 1 LM321 (on 4pcs lm321)
- 13