Questions tagged [identification]

Identify chips, connectors, cables, and other components, from photographs and descriptions of the surrounding circuitry or equipment.

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68 views

Please help me identify the SMD component

I have two nVIDIA Quadro P5000 GPUs. This component got damaged in one of the GPU while I was removing it from the PC. Please help me to identify this SMD component so that I could purchase and solder ...
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98 views

What is this component marking 100K?

What is this component, a capacitor, resistor or conductor? I have a portable pH meter but cannot measure alkali/basa. I think the sensor working perfectly: out 0-5V equals 0-14pH. I try to measure ...
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108 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 ...
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70 views

What is the purpose of coating around heating element in soldering airgun?

I have disassembled my SMD reworking airgun (to determine the cause of a 5-E error) and in aigun I have found a paper-like coating wrapped around the heating element that totally crumbled to dust and ...
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94 views

Please identify this 6-pin SMD marked AI531

It is a 6-pin SMD from 1.6W blue laser driver The code on the case is AI531 Please help to identify this SMD. https://tr.aliexpress.com/item/33045090236.html?spm=a2g0n.shopcart-amp.item.33045090236 ...
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56 views

50 mOhm F SMD resistor identification HELP!

I have been trying to identify this resistor so I can order replacements as several are bad in my device. It’s fairly large. 11mm x 5mm? This is an estimate in reference to the nano2 smd 7a fuse in ...
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188 views

Component Identification AHC373

I'm trying to pin down this component Googling has got me to these two but I can't work out the difference or if they match. SN74AHC373DW SN74AHC373DWR Really appreciate some help IDing it. Thanks
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831 views

Help identifying 8 pin connector

Where should I start when trying to identify this connector on a WaveShare epaper hat? I've browsed through more Mouser pages than I want to think about. The manufacturer (WaveShare) has been ...
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1answer
77 views

Identifying a two numbers SMD capacitor

On this board, I'm trying to identify the burned component, which I believe might be a capacitor. When zooming in, I think I recognize "47" written on the first line, and maybe "16V" on the line below....
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1answer
48 views

Identifying Correct Power Cable Extension

I have the following power cable for a projector: I need either an extension for the part that goes in to the projector (with the yellow pin) or a whole new power cable and block with a longer cable ...
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105 views

Can you identify the name of this battery discharging plug (photo attached)?

I am trying to source the male/female sides of this connector that fits on a 48V Lithium Ion battery. Can you please identify the name of this type of connector?
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25 views

I'm trying to identify a temperature sensor it was screwed into a inline heater

the probe has an adjustable screw for temperature control
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1answer
85 views

How do fireplace direct ignition control modules work?

My gas fireplace has an electric spark ignition that isn't sparking. I'd like to 'test' it, but I'm not sure what a working one would be doing. The spark contact has 120VAC with 4A current when I ...
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154 views

Identify components on computer motherboard - cylindrical and cube shapes

I'd like to know what components are the ones with blue numbers and the big ones behind them: The latter components I'm talking about:
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118 views

Help identifying the resistor

Can someone help me with identifying this component please? I was initially under the impression that it is a resistor but when I look at the back, it looks like a resistor with a dab of solder in ...
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239 views

What are the common footprint naming conventions

This question is ultra verbose, but I'm doing this in an effort to help other newbies (like me at the moment) as they first get into a CAD program like eagle. In the past when I've been new to a field ...
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74 views

What are the components of this sensor? [closed]

Attached is a schematic that looks like an accelerator or a combo sensor with plenty of inputs/output. Can you please assist in helping point out the pull up resistors, voltage regulator, and any ...
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26 views

How to identify a circuit component (bipole) knowing the voltage and current?

I know a bipole was passed by a current of \$i(t)=5cos(6t)[A]\$ and a voltage of \$v(t)=sin(6t)[V]\$. Given the convention that the direction of the current is inverse of the direction of the voltage, ...
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1k views

What kind of clamp is this?

This clamp is being used on a piece of equipment that is a few years old. I am trying to identify the type of clamp this is. If you the reader cannot identify it, leave a comment with something ...
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1answer
49 views

DC Power Connector type / model identification

I need to recreate this power supply and can't seem to find this connector - does anyone know what these are called? I haven't tried to measure it, but suppose I could try to get some measurements ...
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73 views

What type of pin in this (see picture)? I see them in FSRs but they don't appear to be Dupont connectors

Here are the images of the pins: And here is the FSR that it came from:
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1answer
67 views

Name of connector that connects wires to washer drain pump

I was sent here from https://diy.stackexchange.com/ as they said connector identification is quite common here. I'm looking to replace a connector that connects to my washers' drain pump. I first ...
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70 views

Need help identifying unnamed micro-controller

The chip I want to identify is a micro-controller with RSA cryptography acceleration utilized in a USB module. I suspect it is a chip manufactured by Chinese manufacturer and it might not be a general ...
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1answer
96 views

Identify a fried capacitor

I am trying to clearly identify a fried ceramic capacitor in order to replace it. By chance, I could take a picture on another device of the same type: So far what I found after some search: I ...
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1answer
99 views

What is this marine type water proof connector?

Does anyone know what this connector is by any chance?
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104 views

What is this component, labelled as “RT” on the PCB?

Can someone tell me the name of the below component? It is labelled as RT on the PCB:
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90 views

Help Identifying a capacitor WITHOUT a capacitance meter and no markings? [closed]

I have a DELL 2408WFP Monitor purchased in 2009 that I am currently using right now. I have an issue with that monitor where it runs hot and shuts off after a certain period of time. This could be due ...
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63 views

Trying to identify an IC; don't recognize the logo. Top markings 4307 and RR623

The only markings on this chip (other than the logo, which I don't recognize) are: 4307 and RR623. This chip is on an audio circuit board, in the sub-woofer of a TV sound system. I did a search in ...
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1answer
58 views

Need help identifying this connector from a Pulsar Taximeter

This is the primary mounting connector for Pulsar 2010, 2020 & 2030 Taximeters. I have looked many times and have never seen this exact one... It is symmetrical with 5 pins. The pins have lip on ...
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1answer
73 views

Trying to ID a failed component, almost looks like it was a halogen style bulb

I am trying to see if anyone can help me identify a component on a PCB. This device took a voltage spike on its AC line from a lightning strike on our home, and the unit is no longer working. The ...
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1answer
81 views

What electric component is this? (its on an old electric organ)

I'm trying to find out what this is and where I can buy one. To me, this looks like a capacitor, but I'm no expert. After using a multimeter, this seems to be the cause for the organ not turning on. (...
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1answer
51 views

Identifying a Diode: “1042 MZ”

I am organizing a bunch of components given to me; some of them not put in a labeled bag. This SMB diode has the marking "1042 MZ" on it and I cannot find any references to this. And I have checked a ...
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22 views

What does A/V or B suffix mean on Mediatek SoCs?

The Tab E8 lenovo android tablet lists its procesors as: MT8163B, but MediaTek only have an MT8163A/V. It sounds like a minor variation... but varied in what way? Worse, lenovo says it has an A35, ...
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62 views

Please identify a resistor - it looks like the stripes are brown, black (or blue), brown, gold

The resistor in my equipment (amplifier) is burnt out, but I have found a photograph of the resistor I need to replace. It is hard to identify a replacement. The resistor is quite large and matt green....
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92 views

Unknown component on PCB - rectangular, white, 4 terminals, marked 3215

I found a component, which I couldn't recognize, on a printed circuit board. Does anyone know this kind of component? Edited :The unknown components are the white squared ones. There are many of ...
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1answer
72 views

Need help identifying a chip

I have a broken GPS/Compass and would like to get it working again. The device takes 5 Volts input and powers a GPS at a max of 3.6 Volts. I believe the below chip is bad and I would like to test ...
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1answer
270 views

Part identification: 4 pins, 2 marked with squiggles, one each marked with + and -

This component has 4 legs. I don't know what it is, 2 of them go to VCC and GND, the rest of them I don't know. What is this thing?
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55 views

Determine possible thermistor value in multimeter

I have a Toptronic T835 multimeter that has a cracked component that looks like a thermistor. It is marked TR1 on the PCB. The only text on the component is first row [obscured character]B and second ...
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969 views

Fake TL072/TL074 IC's - how does the economics of it work?

I've reached the conclusion that all my TL072's and TL074's bought via AliExpress from China are fakes. Both SMD and THT versions. Most likely they are LM324 or similar. The particular problem I've ...
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164 views

I need to identify a diode on a PCB

I need help as I'm new to electronics. I need to identify a diode in a PCB that I'm currently working on. Do you have any idea or advice on how to identify the diode? The diode which I need to ...
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1answer
54 views

Identify unknown disc-shaped component - markings include VF10 0471K

I am trying to identify this piece, which I believe is a varistor, though I'm not sure. It comes from a Samsung rice cooker. I have attempted numerous google searches on the markings, but I have so ...
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44 views

Identification of Odd RF Coil

Looking for help identifying this odd RF transformer Only markings are A095 602G cant see to find any match and have inherited a couple of 100 shame to go in the bin
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1answer
78 views

What does this circuit do? Is it an infrared interface?

I have the following mystery circuit: The "LED" is a placeholder. It is very likely not an LED as it has no flattened side to discriminate anode/cathode: The transistor is labeled "1G s(underlined) ...
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1answer
88 views

What is this SOT-89 component marked 43B H42?

Can anyone help me identify the SOT-89 component in the picture below? It is marked \$\text{43B H42}\$. I have searched to find anything resembling a match, and I found that it could be both a ...
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1answer
45 views

Safety switch on NEC projector

I've got NEC projector with broken switch with turns the projector off when lamp cover isn't in-place. I simply cannot identify this switch. There are thousands of switches on online shops who ...
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73 views

What is the type and name of this 15-pin connector pair?

This connector is suited on a Sony car stereo front panel. Searched the net however could not find anything. I love to extend the connection with a sort of cable so it possible to fit the front panel ...
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1answer
51 views

What type of connector is this 3-pin socket marked “DC24V” on a printer?

The device in question is a printer, I've never seen such a connector before...
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1answer
71 views

Which component has been damaged? [closed]

I am an amateur playing around with the control board of my recently deceased dishwasher. Can anybody tell me what component burnt out? I believe it is the same as the one labeled 4345 on the same ...
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1answer
92 views

What is this microwave component?

I am at-home electronics hobbyist and tend to salvage majority of the components I use from old/broken items. Recently I took apart a microwave and desoldered most of the the components from it. I ...
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1k views

Can anyone indentify this component?

I have no clue of the PCB where this component was. The reference H400 60 and a logo that is unreadable are located in the top of the package. I didn't found any datasheet or valuable information in ...

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