Questions tagged [identification]

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

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73 views

What are these two 3-pin components in a high voltage board?

I'm trying to fix a circuit from a waterboiler in my RV from 1982 (truma BO 128). It is responsible for opening the gas valve, creating sparks and monitoring the flame. The problem is that the voltage ...
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What type of plug do I need to switch on a VL-CSH07G LED?

I ordered it from this [site][1] , and the model is VL-CSH07G. What type of power/plug/pin do I need to power the LED on ? Link to the thing I am supposed to order or its name is optimum solution here
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Is this a transformer, a choke or something else?

I thought that the component which is shown in the following picture is a transformer. But when I opened it I saw that the end of the coil on top (with thicker wire) was soldered to the beginning of ...
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1answer
69 views

Identify component (diode?) based on photo

I am currently fixing a Akai MPK Mini mk2 midi controller with a loose USB port. In addition to the USB, it is missing one part labeled as D1. It can be seen in the attached picture circled in red. I ...
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79 views

LED fairy lights with series capacitor?

I've opened up the battery box of a string of fairy lights (like pictured at bottom) and found a resistor, plus what looks like a capacitor in series with the lights. Is this really a capacitor? If so,...
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30 views

Have a surface mount device 6G80 package SOT23-6 not able to find datasheet/ or even basic information

I have a cheap power supply that I am trying to modify. The 6G80 appears to be a regulator (driver) chip that drives an N-MOSFET. I do not have an oscilloscope with me, so I am unable to tell if it is ...
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55 views

Can anyone help to identify this blown MOSFET? Top markings seem to include F50, “ON” in a circle, 3N and “RE4T” in a circle

I am trying to repair a PCB out of the welder. One of the problems I have found is a blown MOSFET. I have tried searching for a replacement with no luck, as I don't have a complete code. I have posted ...
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1k 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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81 views

Identifying PCB components with metal tops, no other markings visible

I am trying to troubleshoot a broken PCB and I am struggling to identify these 6 components with metal case. What are they, and is it possible to test them without removing?
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48 views

Part number of a connector in an Asus laptop

While trying to repair a laptop, the connector linking the power button to the motherboard of a Asus x54h has burnt. I am a software developer, I do not have very much knowledge in electronics, but ...
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29 views

Identify this 2-pin component - markings include AUPO A4-F

This part went bad, I have no idea what it is to order it on Mueller site, can you identify it for me? Thanks to anyone that does. .
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Help needed finding laptop FFC keyboard connector

I have a Thinkpad T440 keyboard that I'd like to convert to a USB keyboard. I've been looking for an FFC connector for it and it's been difficult finding it. It has 32 pins and 0.5mm pin pitch. The ...
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30 views

Identify 6-pin IC marked FC3URF

The code FC3URF is marked on a 6-pin IC. I could not identify it by this code. What is this IC?
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190 views

How do I find compatible coax connectors if I don't know the type of coax?

I have some small diameter coaxial cable, which we use in harsh environments. I want to buy connectors for it. Most suppliers list thousands of connectors by cable designation, so finding compatible ...
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1answer
575 views

Can anyone please identify this 6 pin SMD integrated circuit?

Can anyone please identify this 6 pin SMD integrated circuit or what it does? I could not find it by the code written on it. It is from a solar charger and I need to replace it.
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1answer
50 views

SMD diode identification

I cannot seem to find any information for this diode, or for the package. It is slightly bigger than a mini-MELF and has a repeating number 3 as cathode band. It meters like a normal silicon diode. ...
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35 views

What is this part on RC switch?

I have a car remote switch and I'm trying to find its frequency band. I found this part on it : What is this ? I can't find it on the internet by searching the numbers on it's top(601-726S)
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ID part: Motorola UX0160 9403

Can anyone help identify this part? I've tried googling the numbers in various combinations and found nothing. This is something I bought a long time ago, recently found, and can't remember what it ...
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ID: Cermetek DAA carrier board?

Can anyone help identify this part? It appears to be a DAA module but on some kind of carrier board. I've emailed Cermetek but received no response. Thanks.
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2answers
56 views

What is this chip? Labeled “ATMEL 60824C08”

This chip came from a box of assorted ICs from ebay. I have looked up the code on the top and I can't work out what this actually is.
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22 views

Component identification: general semi LP 3C

I have this component salvaged. I think it's very generic, but I cannot find it. Properties: Dimensions: SMT 1206 length size, although the width is wider Logo: General Semi (now Vishay I think) ...
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45 views

Aluminium electrolytic capacitor information, top marking 9h - 100 - ELA

I'm looking for information on this SMD aluminium capacitor: On top of this one : 9h - 100 - ELA What is the equivalence? Thank you :-)
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50 views

Which resistors and capacitors are on this HX711 board?

I have this HX711 board. What model of resistors and capacitors are used here? I need similar the same mounted resistors and surface mount capacitors. I would be grateful if you drop the link to them.
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1answer
87 views

Altera FPGA (?) Datasheet

I salved a lot of ICs but this one I couldn't find (and is maybe interesting enough to be play with it, since I never used an FPGA). It's from a semiconductor chip production machine (high likely) ...
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62 views

Trying to identify MOSFET - top markings DAX620 1411

My RC car ESC MOSFET is burnt. I'm trying to find a replacement for it, but I can't find the number or specs anywhere. The MOSFET has these numbers: DAX620 and below is 1411. Can someone help me ...
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45 views

Connector identification for PCB

I have been scrolling like a zombie through Digikey, Farnell and Molex websites to identify the reference of this fairly common looking 5 pin connector of a board I am reverse engineering, but couldn'...
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51 views

What is the part number of this FET with top marking “NSC1”

LCD switch circuit part in laptop. The marking is marked "NSC1". "a" is the gate and 5 volts is applied "b" is the drain "c" is the source 3.3 volts is applied to b, and if a gate has 5 volts, 3.3 ...
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54 views

Symbol with FB1&2 , meaning and where can I source it?

I came across this on a schematic and I'm not 100% sure what its function is. On the BOM it has a resistor package, denoted like this FB1, FB2 FB_0 RES 1206 (755-4709) RS CODE (I tried looking this ...
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191 views

Identifikation of components GTE PSA 18B

Trying to idenify a device inside a kid's toy car. It is a two pin part with ca. 19 * 10 * 30 mm dimensions. It is located within one wire of three leading to the two motors of the car. UnfortuSeems ...
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1answer
70 views

What is this electronic component, in series (I think) with the fuse just on the input of a computer PSU?

Is similar tu a capacitor but is in series, the neutral cable of the phase is conected direct to this.. or I think is maybe after it passes the fuse... On the board it is writen THR and on another ...
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62 views

Metal Oxide Varistor Identification / Replacement? Component marking IOE241 99P

Could anyone identify the component shown in the image? It is marked 'IOE241 99P'. It is ~12mm in diameter. I believe it is an MOV. The image shows the location on the Power PCB it was removed from. ...
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56 views

Identifying Motherboard Components

I would like to know if it is possible to visually identify circled components of old G5 Apple Motherboard. Keyword search of the number written on the component is not useful in identification of the ...
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5k views

What is the purpose of this device?

I found this device in my father's basement, but I can't figure out what this device is. It has only 1 SCART connector, 1 power cable and only 1 button in front of it. I think it may be some old video ...
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1answer
53 views

Help finding resistor

I have a resistor on a power supply for an amplifier. It has failed and I am trying to find a replacement. Can anyone point me in the right direction? I've only ever played with low voltage stuff ...
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1answer
67 views

Can anyone identify this two pin locking plastic low voltage plug and socket?

This is a plug/socket from a reset button on a gas heater. I need to extend the cable because it requires the heater facia to be removed to access it, so I wanted to create a new plug/socket to add an ...
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58 views

Identifying integrated-circuit on an IR presence detector - top markings 633 O6 (or 06)

I'm trying to identify an SMD component that is used to manage presence detection via infrared echo. An IR LED emits a 3 us pulse, and the unidentified component filters the signal received by a ...
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1answer
92 views

What is this round 6 pin connector?

I am trying to connect to an e-bike controller to reprogram it, and have to find the female counterpart to this connector for this purpose. Ideally, I want to find the part that will plug into this. I'...
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1answer
54 views

Identify manufacturers of trimmer potentiometer and capacitor in photos

Can somebody identify these manufacturers (marked in red rectangle)?
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70 views

Trying to identify SMD with morse coded? markings

New here and first question: Any idea what this component is and it's specs? Markings look like morse code which reads "XTK" and what looks like .A. It is part of a circuit for LED, back lit, press ...
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111 views

Can silicon temperature sensor (e.g. KTY84)'s polarity be inferred if it's inaccesible - polarity band cannot be visually checked?

I have two electric motors at my disposal, both equipped with KTY84-130 silicon temperature sensors (PTC thermistors). The sensors themselves are buried deep within the innards of the motors and I don'...
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1answer
59 views

Tiny 0.33 F Capacitor

I need to replace these (what I think are) capacitors, but the rating seems very high. They are smaller than the tip of my finger, yet the label pretty clearly says 0.33F, 5.5V. This seems wrong, as ...
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1answer
122 views

How can I identify an SMD diode marked SX DG?

My question is based on the attached picture of a diode which says SX DG but I can not find this diode. The diode is taken from PoE 63v part of IP camera attached with MB6s ke47 SXDG SX DG
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1answer
36 views

How can I troubleshoot an 'unknown identifier' error in my VHDL project?

I'm trying to connect between two components: my TOP_LEVEL component's outputs two my BIN2BCD component which converts binary to BCD. the problem is that the BIN2BCD uses std_logic_vector, and my ...
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105 views

Unknown logo on FGS25N120ANTD IGBTs. Which semiconductor manufacturer is this?

I bought 5 FGS25N120ANTD IGBTs from my local vendor a while back. I was unable to identify the manufacturer, based on the logo. Can somebody help me out?
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156 views

Looking to identify an old National 8-pin DIP (M8440)

I have a rail of these 8-pin DIP's that I'm guessing was bought 15 - 20 years ago. My guess is that they could be op-amps or comparators. There are 3 printed lines on these chips: N M8440 28930 35-...
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26 views

Bluetooth 24 Pin IC Identification - 1942UDZ - GEP5436.69 - win-668 - Logo

I'm trying to identify the 24 pin Bluetooth IC below. Google returns nothing related. Any clues would be much appreciated. Maybe even the manufacturer logo would be a start AA, AV, VV, VA? The chip ...
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99 views

Please help identify this component, marked 222F

I think it's a capacitor marked "222F" (2,200pF) +/-1%. However, it seems encased and has 4 pins instead of 2. Two seem to be for the capacitor and the other two for the plastic looking bracket ...
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104 views

What is the full code name of this electronic device?

What is the full code name of this electronic device? This is an electronic device on the mainboard of a Samsung laptop. Only "6GT" is written on the surface. The ball pen is visible at the bottom ...
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91 views

Identification of 6-pin chip marked W134H?

Would like to ask for help in the identification of 6-pin chip marked: W134H (it's not a clock signal generator) I think it conditions very low voltage (5mv-200mv) analog voltage inputs for a chip ...
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1answer
129 views

Help me identify the adapter plug

Which type of connector is it? DC, 4 pins, a plug (cable side, not board side) with 4 female sockets. It resembles a Kycon 4-pin DC connector but reversed. It is taken from FSP's AC/DC adapters and ...

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