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Questions tagged [identification]

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

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45 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
53 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
49 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
104 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
37 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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0answers
45 views

Need help identifying what component is wave transmitter [on hold]

I need help identifying that component is the one that converts the optical data from camera(on left) to waves https://imgur.com/gallery/YELeM08
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0answers
61 views

Can some one identify what this is all it says is "+105^6 C1' [on hold]

It is the small cylinder I'm pointing to in the picture can some one give me a name and or function for it(both would be really nice)
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2answers
61 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
66 views

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

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
42 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
44 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
78 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
106 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
79 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 ...
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1answer
49 views
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3answers
2k views

Metal bar on DMM PCB

What is this large metal bar inside my DMMs? One of them labeled it ST. They appear to be connected to the COM port or fuse. Is ...
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2answers
81 views

003V SOT23-6 What is this component

This IC produces 29.6 kHz square wave and there is no external components. What it can be? I looked at all codes and I can’t find it.
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0answers
88 views

Soviet Russia components need identifying

I have a KO D-8e Soviet engine which was made somewhere between the 60s and the 90s is USSR. I'm trying to bring it to life and need to find what are those 2 dead components in series. They have no ...
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1answer
106 views

What kind of plug is this?

I'm trying to figure out what type of plug is this. According to this site it is most similar to type A, but the blades are spaced only 10mm apart and they have the same size. According to here one ...
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7answers
4k views

What is this SMD component, marked as D7 with an underline?

I'm trying to identify the SMD component (marked as D7 with an underline) on a circuit board of an ARGB LED controller. I think it is a diode or resistor, but I'm not sure about it. Please can I get ...
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1answer
108 views

What are these two components ? I can't identify them

I'm having a hard time finding what these two components are.i can't find them anywhere. The first one is 3 leg MOSFET which has PDB marking on it and DD on the silkscreen The second one i can't ...
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0answers
43 views

Identifying a zener diode [migrated]

This board is from a Ford 2004 F-350 instrument cluster (speedometer, tachometer, fuel gauge etc..) Ford has epoxied the chips down along with the solder. I tried removing one of them and well not ...
4
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1answer
538 views

What part is used in this IR receiver?

I bought an IR repeater with the simple schematic: What is this receiver component? It looks almost like TSOP4838, has the same pinout, but it outputs an encoded signal and I cannot find what is it. ...
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2answers
180 views

What is this component? Marked R5

Edited: Added more pictures. I'm reverse engineering a PCB but I'm stuck at one component. I can't find out what it is. I thought it is a diode because of the marking on top of it but when I test it ...
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1answer
81 views

Please help to identify SMD diode

The markings are: 1112 1Z The package is 2010 (5025 metric). Any clues will be much appreciated. Apparently it is located right at the 12V input. On DMM / ...
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0answers
44 views

Is this an antenna connector?

I have seen 3 connectors in the image ABOVE in my 4G hotspot's motherboard, what are they ? I know these are not GPS because no need of GPS in a 4G hotspot. All of the 3 connectors are facing downward ...
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1answer
84 views

Does anyone know what these marine radio pot/switches are or what they do?

I enjoy re-purposing misc items and components to make neat gadgets etc. I have salvaged these two "switches" from an old marine radio. The rods on each click in and click out and rotate in both ...
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1answer
108 views

What is this white component? [duplicate]

Anybody knows what this component is? (The white cylinder.) It has to be some kind of switch since it is marked as "S2", but I never saw anything like it before. Thanks!
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1answer
83 views

Trying to ID this component & where to get a couple of them? Is it a varistor?

Here's a photo I made to show back and front of this thing. I think it's a varistor. The main body is roughly 8.5mm in diameter. I straightened the two legs but I think they are SUPPOSED to have ...
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3answers
110 views

Identify unknown capacitor and resistor values

How can I find out what the values of R12 and C3 are?
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2answers
73 views

Help Identifying what this component is

A friend of mine asked me if I could identify a component that keeps causing the flow of current to stop in a 12 V 1 motor system he has increased to 2 motors (perhaps due to overload or heat). He ...
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1answer
65 views

What are the specifications of this capacitor marked '3R910, R L'?

I have a battery charger circuit, this capacitor sits between the rectifier diodes and chunky set of inductors and diodes on the AC input side. The battery charger is 30A 12V car battery so pretty ...
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1answer
56 views

Identification of a protection IC

I need to find a replacement part for a burnt IC. It is placed between a MCU and some exposed IO. It was burned by applying 12V as input when 3V3 was the absolute maximum rating in the datasheet of ...
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2answers
347 views

What is this 5 pin connector?

I am trying to identify this 5 pin connector. Any ideas?
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0answers
153 views

How to identify SMD device marked LEFBV?

I have a SOT23-3 component marked \$\underline{\textrm{L}}\,\underline{\textrm{E}}\,\overline{\textrm{F}}\,\overline{\textrm{B}}\,\textrm{V}\$ as shown in the following images: The following ...
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1answer
31 views

Help ID SMD components

I need some help correctly identifying the U9 and U10 components on the PCB. I've tried some codebooks and I found several options. For U9: H1 - X6603 is a 300mA, low quiescent, high PSRR, low noise ...
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1answer
480 views

Can you identify these SMD Electrolytic capacitors? [closed]

I'm fairly sure I need to replace the capacitors in this LCD panel from 1993, but I'm not 100% sure I'm reading them correctly. I'm guessing that the large ones are 47uF 16V, the medium ones are 10uF ...
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0answers
66 views

What LED PWM controller has marking AT508CS?

I have an LED worklight with low- and strobe-functions. One click: On - full Power Two clicks: half Power Three clicks: strobe Four clicks: Off The controller is circled: No markings on the top ...
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1answer
62 views

PCB power connector identification

Can anyone identify the series of connector used for the AC input of this TDK MSA818 PSU from the late '80s? The pin spacing is ~7.3mm (3.65mm if you count the missing pins) which doesn't match any ...
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1answer
127 views

How do I know which component this is?

It says 100J and is much bigger than the other components. It has a resistance of 2ohm when the circuit is without power, and 15 ohm when I attach power to the circuit. It has a 1nf capacitance. So ...
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3answers
99 views

Identify resistor with faded color bands

I would like to replace this resistor, but its color bands are faded. Does anyone know what resistor I should get for R31? Thanks.
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1answer
90 views

Positive pin on microphone

Hello can anyone tell me what is the positive on this microphone ?
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2answers
159 views

Can anyone identify the resistors in the picture?

Can anyone identify the resistors in the picture ?
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0answers
30 views

Diodes used in MRI coils

I'm working on an old QHC EL Load ACS/NT head coil and found what I'm sure is a bad diode, but there are no markings or numbers on them, only two colors blue and red. Red being the anode side. As ...
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0answers
95 views

What is the name of these colorful connectors?

What is the name of these colorful connector? Standard one or priority? One of the molex family? What is the exact name? PS: The connector is used to attach speakers. There is a marking on each one ...
2
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1answer
82 views

Identifying SMD component 22P W8

I've been trying to identify a component on a main board for a TV that I believe to be faulty. As I haven't been able to come up with anything that I feel confident about, I'm hoping to get some ...
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1answer
78 views

Query regarding unknown component

Hi guys I'm very new to this field and I'm having a problem with my sound devices 664 recorder. There's a faulty component and it needs to be replaced. I couldn't find the component here in the local ...
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1answer
77 views

Need help identifying this chip on a old board

Hi Can any body assist in identifying this chip (I think its Ram) probably an easy
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0answers
59 views

Identification of coax connector

This is the antenna end of the car phone antenna cable in a 1983 Mercedes 300D (w123 chassis). The other end of the cable is the usual UHF connector. The metal part of the connector is 15/32" in ...
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3answers
905 views

What kind of capacitor is this in the image? [closed]

The power supply of my model railway got broken. I think the problem is the capacitor shown in the image. So does somebody know which kind of capacitor this is?