Questions tagged [identification]

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

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38 views

Blue Yeti failed component identification

I have a Blue Yeti microphone that has had an on board component fail (lack of audio out and extreme heat from the chip in question). Based on some tracing it likely has something to do with the 3.5 ...
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1answer
64 views

I'm trying to find this contact for a 3d printer

So one of the contacts that detect the cartridge in my 3d printer broke. I'm trying to find a similar generic contact that I can solder on. It's for a discontinued CubePro so I doubt I'll find any ...
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52 views

Light blue SMD part with O on it

I'm trying to diagnose a faulty car usb power supply. I can't identify one component however. I tried to take a picture The part on the bottom left. Its light blue and the only thing on it is a big O....
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57 views

What is the name of these “fairy light” connectors?

I am designing a controller (for personal use not commercial sale) for some fairy light strings with this connector: [ I would like to know the name of this connector family/series in the hope of ...
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1answer
157 views

What is the datasheet of this component in the photo, with markings 74YH S21B?

I need the datasheet of an SMD component, on which I can read 74YH S21B The chip is about 3mm x 3mm and, given its position on the board, has likely something to ...
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3answers
50 views

Can't tell which pin is hot and which is ground on connector datasheet

I want to use the following bnc connector: 1-1634612-0 by TE Connectivity. I am looking at the datasheet but I can't tell which pin goes to ground and which pin I connect to get an input. I linked the ...
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87 views

What is the name of this AC power connector?

What is the name of the connector in the picture? I am not a native English speaker, and I'm having problem searching for this on Banggood.
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1answer
32 views

IC identification - top markings LA50 1XB50 [closed]

I need to replace the device in the picture. I believe it's a DC-DC converter IC looking at the circuit around it. Any ideas what it is or how I identify it?
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65 views

Diode or thermistor identification

Is this a diode or a thermistor? Also, if possible, can you tell the component manufacturer? Thank you.
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48 views

Need help with identify device and its possible functions

My boss found some device at his office. My task is to find out what the device is, what is its function and everything i can find about it. It may be some kind of test that expose that I can handle ...
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51 views

What is this unusual jumper/busbar?

Metal. Length is 5/8", pitch is 0.1". Ruler is centimetres. This thing is really useful because you can plug it into breadboard and attach a probe clip to the square tab and the connection ...
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47 views

Help Me Identify This Capacitor

This multi-layer ceramic capacitor indicated in the picture is missing. It's next to an internal memory chip for the Nintendo Switch LITE. I need to replace it but I don't know its specs. Could you ...
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1answer
57 views

What is this component: 48-27SD50020222?

I was digging through my things and found this component (48-27SD50020222) but am not sure what it is. I've tried searching for variations of the number ...
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1answer
81 views

Can anyone identify these PCB connectors?

I've got a board with 3 headers I'd like to connect to, but I can't identiy them to find suitable mating connectors, can anyone here help, or have suggestions for a reasonably secure alternative way ...
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1answer
81 views

Identify MOSFET and find equivalent - top marking “P40 1340” or “S36 1410”

Please, help identify this MOSFET and equivalent. One circuit has them marked as "P40 1340" and the other has "S36 1410". It's part of a circuit of 2 MOSFETs that act as power ...
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1answer
40 views

Potentiometer identificaiton Logitech z623 Speaker

I've been searching and can't locate a suitable part. Perhaps due to inexperience. This is the volume control for a Logitech Z623. I believe it's 100k Ohms based off the code on the side, but cant be ...
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1answer
80 views

Mystery SOT-143 Part on Magnetometer

I'm trying to understand the operation of a single coil magnetometer (marketed as "fluxgate", but with only a single coil). I've backed out the schematic as shown. The coil is driven by a ...
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1answer
49 views

SMD identification - marked OULO

I have some SMDs from a board which I am not able to identify. On top of the ICs is the marking: OULO- SOT 23-5 (I'm not sure if they are zero or O.) In the picture U4 and U5 are the OULO component.
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Mystery 1974 vintage TI chip: N286M26

I inherited three of these Texas Instruments vintage ICs, marked N286 (regular size) and M26 (unusually large). The smaller pairs of digits on the right hand side, 74 and 18, are, I assume, the ...
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1answer
67 views

Please help me identify this LED from a Nuevo (HGH0242) / Horizon Lighting 5-pendant light fixture

This is an apparently failed LED from a 5-year-old Nuevo (HGH0242) / Horizon Lighting 5-pendant light fixture in my house. Only this one has failed - all others still work. It measures about 11.7 mm ...
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28 views

Finding a lower-power WS2812-like RGB pixel (or identifying the one I have…)

I'm looking to build an application with some WS2812 or similar addressable RGB pixels. Since this will be battery-powered, I'm planning to run these pixels at low-brightness most of the time. However,...
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1answer
141 views

SMD diode identifying marking 96

I need to identify an SMD diode on a PCB. Does anybody know what it is? Its marking code is 96, there are some dot codes above digits. Its polarity is marked with three lines. -Its dimensions are 3.5 ...
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86 views

I wonder what these fibre-optic cables are used for

One cord. Two identical ends. Looks like female end would be similar to a phone style connection but it is not for phone. Black cord, two ends identical
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1answer
87 views

Figuring out what is this IC

I have this chip on a breadboard that i want to buy, in order to populate PCBs with it. I searched and searched the internet with the text that it has on the upper part of it, but no matter how much i ...
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1answer
35 views

Identify cable connector for fingerprint sensor

I want to create a custom PCB to which this fingerprint sensor will connect. The problem is that I cannot identify which connector it uses. The sellers on Amazon and other sites don't know about it. ...
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48 views

Trying to identify a component in a 12 volt LED on/off touch switch

I'm wondering if anyone can help me identify what this 8 pin IC is, in a capacitive on/off touch switch I have. It is a soic or 8-VSSOP package. 64RX-Y is written on the bottom of the IC, nothing on ...
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88 views

Do you recognize this component 4A 0F3?

I'm attempting to fix an SMPS for a sewing machine that is having all of its outputs voltages a third from what's expected. I've replaced all electrolytic capacitors and nothing seems to be producing ...
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287 views

Identifying a coaxial/RF connector

I'm trying to identify the following miniature female RF coaxial connector found on an antenna input of a cheap DVB-T receiver (Sencor brand). I would like to identify the type so that I can get a ...
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2answers
64 views

Possible thermistor identification found in thermal conductivity cell

I have a component (I believe it is a thermistor, can you confirm?) de-soldered from a device. Could somebody help me identify the type of thermistor and suggest a method/procedure to identify the ...
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1answer
52 views

How to identify the polyfuse used in this RS-485 module

This is the popular RS-485 module found in the market, how can I identify the polyfuse/heat recovery fuse in it? Also its manufacturer or electrical ratings?
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1answer
50 views

SOT23 transistor/FET infromation needed

I'm trying to Reverse Engineering A PCB but I have problem to identify some PCB components(Highlighted components). I don't know whether these are transistors or FETs. As without knowing their actual ...
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2answers
82 views

MRC Variac+ — NEED HELP identifying this antique electronic

I gather, so far, that there is a variac component to this equipment. And that it was manufactured by the MRC Manufacturing Corporation (a Subsidiary of Materials Research Corporation), which once ...
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33 views

What kind of 2x1 connector is this?

I have a 3d printer with wires that run from the extruder heating block to the circuit board. I want to modify the wires with some kind if connector that I can easily remove the hot ends for ...
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1answer
42 views

How to properly wire a five color RGB LED strip?

I've worked with common anode and common cathode RGB LEDs either 12 volt or 5 volt using PWM mostly to change color. Usually then these products that I work with have the typical four color wiring ...
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34 views

Need to Identify SMT Part W267J

Need to Identify the Part Below , Try to search & Read Catalogs but still can not Identify it. W267J Need to replace it What is the Model Number?
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35 views

Mystery Mostek part

Can anyone help identify this Mostek part please? Have checked all the Mostek catalogues I could find without success.
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2answers
1k views

3.5mm Audio Headphone Jack

I have a broken headphone audio jack from an electronic keyboard. With the jack broken, the speaker audio no longer functions. The manufacture no longer supplies the part as it has been discontinued ...
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1answer
101 views

What is this MPU?

I have a board model SWL-B70F, it's a wifi module used in Samsung AC. This board ship an "unknown" MPU, 256 Mbit DRAM (...
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1answer
559 views

How to identify an unmarked PIC?

I have a bag of old unmarked PICs, possibly PIC18, but could be PIC16, and want to try to figure out what exact type they are and if they have already been programmed or not. Not even sure if they are ...
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1answer
30 views

help identify part schottky diode

I have an electronic part with a marking mbr10100, i know it is a schotty diode for 10A 100V. The thing is it looks like it has two diodes inside. At least it shows so when i test it with a multimeter....
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1answer
87 views

What is the proper name for small uninsulated ground posts

I am looking for some of the small uninsulated posts used for grounding on bench test equipment such as oscilloscopes. They are usually used for establishing a common ground when measuring small ...
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1answer
143 views

Unknown electronic component. Does anyone recognize it?

A teacher gave me this electronic component. In principle it looks like a resistor, but it has no value code. I measured voltage, ohms, farads, etc., but it does not generate results. Yes, when I ...
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1answer
73 views

Could someone help me identify this component?

Short question here: could someone help me identify this component?
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1answer
67 views

Is this a powerline insulator?

Found this dumped along a trail through the woods... not attached to anything & with some other junk, but nothing that was similar. I'm curious what it is! Its about 12" / 30cm along the top-...
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34 views

What buttons are used in the Stream Deck

Can anyone help or point me in the directions of what butons are used in the Elgato Stream Deck? The buttons seem to have an intergrated LCD screen, which can be altered by the user. Searching for '...
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38 views

Connector housing identification: Grow R307 Fingerprint Module

I'm trying to find the connector for the image shown below. It's from the R307 Fingerprint Module that can be found here. Any help will be appreciated.
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1answer
71 views

Part identification: Board mount rotary switch

I have a CPAP machine whose dial broke off. Was hoping to 3D print a replacement, but I don't see an obvious way to attach it. I figure finding the specification would help. Has 3 leads on the bottom, ...
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37 views

Pinout of metal halide lamp

I've bought a few metal halide lamps (specifically Osram HCI-TC 70 W/830 WDL PB) and electronic ballasts for them to have really bright light in my room in winter (like this guy). The ballasts' lamp ...
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160 views

What kind of diode is this?

What kind do I replace this with?
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25 views

Help Identifying this socket / connector FFC / FPC

I am trying to identify this socket connector for an FFC / FPC. Ideally, I'm trying to get a breakout board, because I want to utilize the existing routed flat cable and connector on one end, and ...

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