Questions tagged [identification]

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

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83 views

What is the type of this dc motor?

I know that there is a separate excitation dc motor and a series excitation dc motor, but this schematic contains some series and separate coils. What type is this motor? And what are the coils used ...
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1answer
77 views

What is the name of this connector and how can I find an adapter?

I have the following connector (see image below) with contains 5 metallic pins (4 pins are used for a 4-probe IV measurement + 1 ground). Its diameter is 6.65 mm. What is the name of this connector? ...
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108 views

What is this sheet metal cutout on the PCB?

This PCB is from a car body control module which contains a bunch of relays to control various motors (windows, door locks, etc.). There is no RF devices on this board. This sheet metal cutout looks ...
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1answer
170 views

Help finding PWM IC with marking on device 'FA=606'. Package of device is SOT23 - 6

I found this 6 pin PWM IC in one of the SMPS. I am unable to find any of its details on Google. I am requesting if anyone could help me finding the device name. The marking is something like FA=606 or ...
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1answer
77 views

Help identifying this MOSFET

Trying to figure out what this is, and suitable replacements. Markings are "1 Wt 77" Cannot seem to find anything. Edit: I removed and sized it today, looks like 2.04 mm square package, ...
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1answer
347 views

IC identification - Analog Devices with top marking S BB

Please help me to identify this IC. I guess it is an Analog Devices chip. The top marking says "S BB". I think it's an op-amp and it's used in a current probe. Thank you!
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4answers
960 views

Help identify this audio electrical connector

My acoustic guitar's "piezo pick-up" contains a really big audio jack with about 7mm borehole. It is basically a hollow screw, fixed on the guitar surface with a nut and washer. This is much ...
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0answers
21 views

Pintech PT-710 sensor identification problem

Welcome all. I need some help with identifying a component. Recently I opened my Pintech PT-710 current probe and tried to see what type of sensor is used. Inside the jaw there is a single sensor ...
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4answers
3k views

What is this IC Chip on this circuit board?

Very new to electronics outside base knowledge. This board is from a small smartphone toy, where pressing and holding the button displays 1 color on an attached RGB LED and quickly double tapping the ...
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1answer
73 views

What type of battery is this?

I want to start this DIY project. According to the video, you need "2S 7.4volt battery and DC jack". What battery is this? https://www.youtube.com/watch?v=cpdjQ0gheDQ&feature=youtu.be&...
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49 views

Help identifying right angle (or 180°) USB connector part number

I am searching for the right angle (or is it 180°?) usb connector used in the product on the following webpage - https://thepihut.com/products/solderless-zero-dongle-for-raspberry-pi-zero?variant=...
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1answer
1k views

What is this component in my drone?

I am disassembling a drone for a project. I found this silver boxy component on a side circuit board that connects to the main circuit board on one side, and to the camera of the drone on the other ...
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1answer
1k views

Unknown component in an electronic dictionary

I'm exploring the inside of my favorite device, a Japanese electronic dictionary. It runs on AAA batteries and has two screens (one for writing and one for viewing), speakers/headphone jack, a USB ...
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1answer
71 views

Is this a capacitor or a varistor? How can I figure out specifics?

Is this a capacitor or a varistor? How can I figure out specifics?
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0answers
54 views

What is this component? (Labelled 338 M828) [closed]

There is a 3 pin/connector component connected to the PCB below. It is labeled with "338" and "M828" (the image quality is too low to show this). What purpose does it serve?
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1answer
119 views

How to identify burnt out component

My sons birthday present literally went up in smoke when batteries were inserted. I will eventually get a replacement but it will take time and I'd love to be able to fix this as soon as possible. It'...
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2answers
807 views

Is this a PTC or a fuse?

Does somebody recognize the component labelled with "1/4"? It measures 6 mm x 2.5 mm (the white body only about 2 mm though). It is connected between the positive pole of a 9v battery and ...
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1answer
79 views

G1 marking identification SOT 23 3

Wonder if someone can help identify this component. I am certain it is SOT 23-3 after matching another component next to it. I Could be wrong. I think it may be a shunt regulator or something. The 3V ...
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101 views

I can't identify this component - is it a capacitor?

I thought this might be a motor start or run capacitor based on its size, but its markings aren't particularly revealing (to me). Also I'm not sure if the resistor would be typical on a motor ...
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2answers
343 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 ...
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1answer
115 views

Is this a varistor? WP 270M

I can't figure out whether it's a varistor or any other non polar capacitor. Please also suggest how to test it.
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85 views

What is this white component in this circuit?

Can't figure out what is this component and also please mention about how to test it?
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0answers
24 views

Can't identify SMD aluminium caps

Hello, I need to identify two SMD Elec. caps. But I can't find specs that would match the marking on a components. Top left cap is - 35 10 16f. looks like 35V 10μF 20% Kemet but not 100% sure. ...
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1answer
71 views

Is this a standard cable? (USB Type A + unknown)

I have a cable that I cannot match with any device. My question is whether this is a standard cable, or rather a proprietary invention. On one side there is a standard USB Type A male connector. The ...
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2answers
46 views

System identification

I started learning control systems and I have a question about system identification. Let's say I want to identify DC motor. I want to control speed using a PID controller. I can model my system based ...
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2answers
89 views

What is this barrel jack plug?

It is from a German-made sewing machine pedal. It appears to be 2mm inner diameter, 5mm outer diameter on the metal but has a 6mm plastic molded ring on the end...maybe to assure it stays connected? ...
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1answer
79 views

Crimping tool where to crimp

I have a very cheap crimping tool and am trying to confirm where to crimp to ensure a good connection is made. I’m using red 18awg wire but the dot doesn’t really align with a spot like most crimpers. ...
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2answers
1k views

Name for old-style (purple-tinged) white LEDs?

Older white LEDs (ca. 2005-2010?) had a distinct purple tinge while modern ones have a spectrum much closer to a blackbody. I rather like the look of the older style and would like to purchase some ...
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1answer
46 views

TVS diode replacement - top marking P450 DEM

I got a Hikvision camera DS-2CD2332-I that was mistakenly connected to 48 V power supply instead of 12 V. I checked the board and found a TVS diode is getting hot. The power supply LED was blinking at ...
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1answer
39 views

Part identification - 231S 35L

Please does anybody know what this is? It's a small part, three legs, spacing 1/20", body dimensions cca 3x4 mm. I have no idea, Googling "231S" did not give any appropriate results. ...
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1answer
63 views

Help by identifying a smd FET in Philips Hue power supply

One of our Philips Hue lamps died recently and I found that the power supply is the reason. Two resistors burned (most likely due overvoltage from the mains). However there a SOT-23 packaged component ...
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1answer
86 views

What component is this and how can I test it?

I'm new to electronics. What is this and how can I test it?
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1answer
40 views

D246A - what kind of diode is this?

We have these diodes in the bell driver circuit of the local church. On the casing it reads D246A in cyrillic. After a quick search I found this site. I have not been able to figure out the diodes ...
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1answer
104 views

Need help to identify SMD component

Labeled D53 on PCB board for diode, SOT-89 package with marking "43." It's part of a pulse-generator section on a DC power supply, it's right by an opto-coupler. This picture looks exactly ...
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1answer
274 views

What is this 9609SB?

This IC is from a power supply for an LED domestic light This appears to be a 7 legged IC, at least it doesn’t seem to have had the 7th leg snipped. The markings seem to be ...
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0answers
84 views

What is the name of this 7-pin round data connector?

What is the name of this 7-pin round data connector? It doesn't seem to be Mini Din 7. It's on the data cable from a Ohaus Defender 7000 scale indicator to the weighing base. There are 7 pins, and ...
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50 views

What is this chip in a old wireless window security sensor?

I opened one of the old window security sensor as I'm curious what wireless technology and chipsets were used. Obviously, this is big antenna, so likely 433MHz RF. But I couldn't identify this chip? ...
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0answers
42 views

Question about component name (DrMOS?)

I'm trying to find the fault on my GTX 970 card and it seems that I have found at least one of the problems. There seems to be a DrMOS(?) that after plugging the power in is getting hot to the touch ...
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1answer
132 views

Identify PCB component from LED circuit

I'm trying to refurb a old pcb taken from a 30 year old cars indicator unit, it's a pretty simple pcb besides one component I'm unable to identify: You can see it attached to the back here before I ...
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73 views

How can I identify these capacitors?

Can someone please help me identify these? I think they are capacitors. I have no background in electrical engineering. Just trying to learn this stuff as a hobby. This came out of an audio amplifier ...
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1answer
137 views

Can somebody identify this 12" silicon wafer?

I just bought a silicon wafer off of eBay to decorate my office. The seller didn't tell/know, but I'm dead curious as to what this wafer is. Could anyone help me identify which chips should have been ...
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2answers
123 views

What could this PCB be for?

I am not sure PCB identification is on-topic for this site, please let me know if it isn't. My wife found this PCB in her bag. She thought I had given it to her, but I do not recall that at all. Does ...
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0answers
42 views

What is this dark copper-less PCB feature? [duplicate]

Excuse the title, I'm not even sure what to call it, as far as I can tell it isn't a component but a copper-less layer of PCB showing? It's on a 'Zoom H1' microphone/recorder's PCB, as seen in ...
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1answer
60 views

Part identification, 38 pins IC with HCT38540A marking

I saw this part on a local market categorized as "unknown parts". out of curiosity I searched 74HC38540, HCT38540 and <...
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3answers
116 views

What is this cylindrical black component with a wire looped through it?

Could anyone tell me what this component is? Thank you
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1answer
60 views

What do these diode part numbers mean? [duplicate]

While selecting a diode, I came across these two, which appear to be the same, save the ending part numbers after a "/" (i.e. one is 54, the other 73). I've surmised from JEDEC 609B section ...
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1answer
95 views

Nvidia 1080 ti VRM? SMD Identification

I was hoping that some of you experts could help me identify a SMD on the back of a 1080 ti FE. This item was dropped and it appears has some damage done to it. I would like to replace the missing SMD ...
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1answer
1k views

Any idea what this tool is for?

We have been doing some cleaning up out in the electronics production area and found the "mystery tool" shown in the two images below. It is made from stainless steel. The blue insulation ...
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1answer
69 views

Help identifying this damaged FFC/FPC connector

I am trying to identify this damaged connector on one of the PCBs of a Konica Minolta Vivid 910 laser 3D scanner. I wish to find a suitable match for replacement. It connects the main logic board with ...
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1answer
40 views

Help identifying the audio up/down switch in a Roku remote control

My sound down button isn't working in the Roku 3 remote control. I've opened it up to find that the rocker broke off. The Sound Up has B S marking and the Sound ...

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