Linked Questions

1
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0answers
43 views

Electronic component name & value to be traced

https://en.wikipedia.org/wiki/Electronic_component What are the best ways to trace the electronic components value, name if the name & value are not able to be seen on the component itself ...
3
votes
2answers
298 views

What are the tools to identify ICs by marking?

I have two ICs and I need to discover them. I've searched for the marking on top of them, but I didn't have success. I've tried some tools on the internet (this forum included), also nothing. I used ...
0
votes
0answers
40 views

SMD component identification - possibly BJT

I found a defective SOT-23 on a broken PCB, but can't identify it. Probably a BJT, but what kind? The one on the right seems to be the same as the blown one. I would appreciate your help.
0
votes
1answer
61 views

Who manufactures this chip? Looking for the data sheet. Top marking “QB52”

I'm looking for the datasheet of this chip. I don't recognise the manufacturer logo. Does anyone recognise this? I tried a Google search for "QB52 Chip" but failed.
1
vote
1answer
56 views

Please identify this 8-pin SMT device - markings P636F FDS 6690A

Please assist - I cannot identify this device. I try to label all my SMT components, but this one has slipped through the net. It appears to have a "f" as a logo; the text blocks are P636F; FDS and ...
2
votes
1answer
146 views

Unknown 5-pin opamp / comparator IC with “>10” marking

I'm trying to figure out what this 5-pin IC from the below image could be: The SMD Package looks to be TSSOP5. The component is used in the Kemet SS-430 sensor module. I think, is part of the output ...
3
votes
3answers
363 views

Component identification (SMD) - Beelink X55 Ultimate

Recently my NUC has decided to release some magic smoke. I found two problematic components in it. F1 fuse, which failed (?) to protect the board and U10 which has manifested a nice eruption point. ...
2
votes
2answers
442 views

What is this component? Marked R5

Edited: Added more pictures. I'm reverse engineering a PCB but I'm stuck at one component. I can't find out what it is. I thought it is a diode because of the marking on top of it but when I test it ...
0
votes
1answer
144 views

How do I know which component this is?

It says 100J and is much bigger than the other components. It has a resistance of 2ohm when the circuit is without power, and 15 ohm when I attach power to the circuit. It has a 1nf capacitance. So ...
2
votes
1answer
74 views

How to read markings on EMI/RFI filter

I am looking at a 3-pad SMD EMI filter chip (see photo) which is marked on the top with "222J". I am familiar with reading the markings on top of resistors and capacitors, but am not sure how to ...
0
votes
1answer
94 views

Query regarding unknown component

Hi guys I'm very new to this field and I'm having a problem with my sound devices 664 recorder. There's a faulty component and it needs to be replaced. I couldn't find the component here in the local ...
0
votes
1answer
2k views

KV7RF SMD Datasheet

Can someone identify a 5-Pin IC SMD with the marking code KV7RF? Searching in Google I didn't find anything. Any help on this?
1
vote
2answers
132 views

Component recognition from marking code

I need help to recognize a dead component from a lab instrument control board. It is part of a TTL-serial interface, arguably a logic gate or some level shifter, in a TSSOP-14 package. You can see ...
0
votes
1answer
126 views

Transistor identification

I have had a battery power bank from anker (powercore 20100mah) for some time now and it stopped working. Upon opening the case i saw a blown up transistor and i am having trouble identifying it. It ...
0
votes
1answer
167 views

Identify SOT-563 device with top code 49K

Please help me to identify this SOT-563 device with top code 49K

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