Questions tagged [identification]

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

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Fuse Identification

Would anyone be able to help me identify this fuse? The markings on it are: "51NM 250V 1.6A". It is a glass 5x20MM fuse, I am just wondering if it is a fast or slow blow fuse so I can order a ...
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32 views

Which RFID is right for me: range ~0.75m [on hold]

Background: This is a request for an out-of-the box system (or as close as possible). Some minor configuring or programming would be fine, since I'm competent in that realm. I don't know much about ...
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1answer
67 views

Damaged Connector Identification

This connector got damaged while repairing a device, and I've been unable to identify it to replace it. The connector is SMD mounted with the circuit board underneath based on the image above. It is ...
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52 views

Quick connector identification [closed]

Does anybody know where I can get this connector from? I need this one as it allows quick connection.
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29 views

SMT marking code 81TI and TI8A

I'm not able to find device based on marking code. I search in google, distributors and manufacturers site without success. Please help to identify it. They are in 2 different, but similar dimmer ...
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2answers
578 views

What's this thing in a peltier cooler?

I've taken apart a peltier cooling box to salvage the peltier element and also found this thing. The block seems to be plain aluminum, I'm interested in the cylindrical thing at the bottom. The ...
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1answer
37 views

Explanation for design choices for snubber / debouncing circuit

I am looking at a 20 year-old, heavily corroded circuit of a push-button handheld control for a DC motor that I intend to "rebuild". It consists of two micro switches which are connected to (fairly ...
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1answer
94 views

Unidentified IC with square marking

I understand questions regarding IC identification may be a hit or miss, but it's worth a shot. I have this IC (length 3mm by width 2.2mm) with a grey square marking on the corner. It has 8 pins. ...
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1answer
70 views

I need help to identify a SMD component

I want to identify a SMD component of a Nubia Z9 MAX board (NX512JMB) In the next picture you can see the red square. A 4 PIN SMD component (or 2 PIN component, I don't know). The green square I ...
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2answers
157 views

Does anyone know what this component could be?

I am currently working on an already fully assembled PCB. I want to get into Hardware Reverse Engineering and my first step would be to identify all important components. I found most of the ...
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1answer
96 views

Battery type Identification Request [closed]

I am trying to replace the battery of a rechargeable LED torch, but it looks different than most others that I have seen. I was wondering if anyone can help me identify it, so I can try to find a ...
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1answer
77 views

What sort of power socket is this?

I am having trouble identifying the socket type of the power connection on an old voltmeter I purchased. It did not come with a cable, so I am trying to find a new one which will fit in the socket. It ...
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1answer
94 views

Identification: Is this an 150A fuse? Or something else?

Can anyone else identify this element? What is it? Seems to have 150A stamped on the left side - is it a fuse?
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1answer
132 views

Help Identifying Inverted Fuse Symbol

The following diagram shows fuses off each of the PT connections (standard IEC fuse symbol) but it also shows a fuse symbol with inverted colouring on the neutral connection. This second fuse also ...
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1answer
88 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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0answers
92 views

What kind of connector is this? It is used to connect to a device through UART

I'm searching for a 4-pin connector like the one that is displayed below to connect to a device through UART. We have received a couple of connectors from the manufacturer, but we have way more units ...
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0answers
82 views

What exact header is this?

What type of headers are used by digi-international in the Development Kit of modules xbee 868lp. Are they commercial or are they developed by Digi? Digi XBee® SX 868 Thanks and best regards, Fran ...
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2answers
90 views

Identifying this SMD capacitor

I would like to ask you for help with identify one capacitor at photo below (can't find it). I got GTX 1080 Ti to my hand with torn out capacitor on VRM. I am looking for the identical one. Can any ...
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1answer
138 views

Help identify IC with erased label by using pin connections in the schematic

I am reversing a board which some of its IC labels are erased by the manufacturer. I've drowned its schematic in the picture below. The label-removed ICs in the schematic are IC5, IC8, and IC13 which ...
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1answer
46 views

I need help identifying two passive SMD components from [ GoPro Hero+ ]

[ This is the bottom side of the GoPro PCB. I marked the components I need identifying. I assume they are either capacitors and/or resistors, but I need confirmation.
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53 views

Correct procedure to identify a component and obtain the datasheet

I'm not sure what should be the correct procedure to obtain a component's datasheet starting from the component's package code. I searched in the other questions, but I found mostly people asking ...
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3answers
2k views

Identification of an AC transformer

I have a broken Philips alarm clock FM/AM radio broken, so I stripped some parts out of it. One of it seems like an AC converter, but I cannot find any reference/datasheet about it. Do you have any ...
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1answer
100 views

What this component is, i couldn't find the datasheet

I want to find the datasheet for this components but i couldn't find it.i was able to find images of it on google but couldn't find any information on what it is.what i'm interested in is whether this ...
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0answers
50 views

Need help to identify SMD diode with marking code 3W28J

I am trying to reverse-engineer a PCB, but I can't identify an SMD diode with marking code 3W28J (image below). Can someone help me to identify the component?
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2answers
38 views

Can't identify this component from a Lancer Monitoring System DW101E

I'm trying to reverse engineer this system to try to read an adressable transducer. In this amp op configuration I don't know what this yellow component is supposed to do. The component label is: ...
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2answers
66 views

What are these two smd components?

I fried these two components by plugging in the battery the wrong way. What are they? I read SMDs have an ID which helps identify them but since they are burned i cannot read the ID. If i replace them ...
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1answer
67 views

Need Help To Identify Attached SMD Component

I am trying to fix a RS485 circuit. There is 3-pin protection components on both A and B pins. The component is connected serially to the line and mid pin is grounded. There is no label on the ...
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3answers
373 views

Does “1KV” on this disc capacitor mean 1 kiloVolt?

One of my power supplies died. Investigation turned out that this capacitor is broken. "102" means 1nF, but does "1 KV" mean 1 kiloVolt or is that some sort of tolerance code? I've tried several "...
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1answer
141 views

Identification of two components

Can you help me identify these two components? I cannot find information on them on the web. They appear to be ceramic filters of some kind. Front of Component 1: Back of Component 1: Front of ...
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34 views

Component identification: 1600A NH & FBH5AA FDMP & W10B 89F

Can't find the component by it number, they look like FETs on a fan PCB but need datasheet.
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1answer
58 views

Component identification: SMD: 120C, F mark

What is this component? When I search on internet, I get a lot of thermal protection components, but they do not look like this. I got it as a batch from someone, so I don't know the usage. The ...
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69 views

IC identification - no manufacturer symbol

Does anyone know the name and the manufacturer of this IC? It is installed on a Hitachi beamformer board. Possibly an ultrasound pulser or analog switch. I am thankful for every hint!
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4answers
150 views

What is this audio-related component?

This component looks like a speaker and attracts iron towards its center. The numbers here lead me nowhere; the company is some audio-related company. Shows a resistance 145 ohms.
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1answer
165 views

What are these hybrids from National Semiconductor?

I found some parts in my junk drawer that I can't identify. I'm pretty sure they're National Semiconductor hybrid circuits from 1969-1970, but I have no access to a National Hybrid Products databook. ...
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1answer
36 views

Help identifying connector with screw housing (RG…?)

I presume this should be a simple ID for someone who knows. I am interested in the general family of connector (e.g. RGxx). It's not something I ever use but as I have a box of them I could do with ...
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55 views

Smd Component identification

I was creating schematic from a pcb but could not understand what the component in the image is for. The name written on the component is L386. At first i thought that it is a voltage regulator like ...
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0answers
46 views

Identify an ALPS potentiometer

This potentiometer reads between 0 and 115K as I rotate the shaft. The wedged part of the shaft is 10mm. Can anyone identify the part number?
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1answer
67 views

What is (was) this component at ZD102 (top left, next to powered serial connector)

Part at ZD102 is overloaded with too much current and blown. It's three legged, with two legs on the south side and 1 on the top. The left side (white in the picture) is blown and has since ...
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1answer
60 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
64 views

Can't identify this Chip

I am new to this forum. I found these chips on old motherboard that i was going to throw away, I salvaged these chips but Google Search could't help me to identify these. Only Information i could ...
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1answer
55 views

Module identification

Can anyone recognize this module in this pic here? I am analysing a circuit and it would help me a lot!
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1answer
117 views

What is this socket for?

I need some help identifying a socket. I have no idea what it might be. Websites offering help to classify didnt help. Has anybody seen such a connection before and can give me some info? what kind ...
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1answer
52 views

diode identification help A7

I'm trying to figure out what this diode is. The marking indicates "A7" and also has "t36" stamped on it suggesting maybe a 1N4007 rectifier diode. However, when I test it with my multimeter I get a ...
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2answers
64 views

need help identifing parts

The first Green bit is a thermistor out of a fluke 374 clamp meter, but cant find the manufacture from the logo or what the number means. The other is a socket pin from a single wire connector, its ...
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1answer
75 views

Can anyone help me identify this component from an old rechargeable battery pack? [closed]

I was given an old, maybe 10 years, battery drill, it had seen almost no use, but, unsurprisingly, the battery pack would not charge. I took the pack apart and several of the cells were obviously ...
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1answer
45 views

Component Identification - Latching Relay?

I have, from my limited knowledge, what may be a latching relay. It was made by FR Ltd of Wimborne, Dorset. I presume this is Flight Refuelling Ltd. It is called a Memstore RSC-68. Anyone know ...
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2answers
55 views

SMD Device and manufacturer ID markings S2

I have a SMD device that I am am trying to identify. Can anyone point me to a manufacturer? Probably a resistor but I am not sure. Any help would be appreciated. The scale bar in the picture is not ...
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0answers
85 views

What kind of material is this and what is the purpose of this?

In 500 GB or higher capacity HDD's, you can frequently find these black things (see photo below). It is made from a very weird feeling material. It is not made of plastic, it has a dull glass sound ...
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1answer
120 views

Help identifying SMD components

I am having trouble identifying some components in this circuit. I am not sure if these are commercially available or not, so that's why I am asking. The components are shown below: I believe this ...
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1answer
84 views

Can someone identify this transistor and/or resistor component?

I stumbled upon a weird transistor or resistor component which I can't place. Here is a simplified version of the circuit: I am pretty sure that the transistor on the bottom is an N-MOS transistor ...