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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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KV7RF SMD Datasheet

Can someone identify a 6-Pin IC SMD with the marking code KV7RF? Searching in Google I didn't find anything. Any help on this?
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1answer
27 views

How do I identify the SMD component marked as !3S 4?

I have a SOT-23 SMD component marked \$\underset{\bullet}{\vert}3\bar{\textrm{S}}\;\bar{4}\$ as shown in the following images I managed to find out that \$\textrm{3S}\$ stands for MMBT5551 NPN ...
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26 views

Please help identifying smd component marked A76 and 3CCAA

Please help me to identify this device marked "A76" and 3CCAA.
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50 views

What is this connector and where can I get one?

I'm trying to create a replacement cable for a Motorola Atrix lapdock. I know what the pinout of the connector is, so I just need to figure out what specific part to use. The metal housing of the ...
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1answer
49 views

Identify DC Motor from Dremel

I am trying to run a formerly cordless Dremel with a 12V supply. I know that the dremel runs off of a 4.8V battery, so I would like to see if I can run the motor with 12V PWM without damaging it. ...
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44 views

Resistor & Diode ID [closed]

I own a a treadmill that has stopped working. Soon as it is plugged in the motor turns the running belt at top speed and the motor sparks then less than a second later the the reset trips. I looked ...
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3answers
56 views

identify infrared receiver

My CD player's infrared receiver for its remote control has failed. (The remote still works with a friend's identical player.) I'd like to buy a replacement receiver and solder it in. How do I ...
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1answer
669 views

What kind of display is this?

While investigating analog technologies I discovered these images of a quadraphonic 8-track player. All 8-track players I've seen before use analog voltmeters as displays rather than square graphical ...
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36 views

Need help identifying this SOT23-5 with marking AAER

5 pin SOT23 with marking AAER. I've tried all the smd code web sites and document I can find. Just can't seem to solve this mystery. I think it's an opamp. Tried different opamps and still can't ...
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61 views

Need help decoding part number for SOT23-5 chip

I have a circuit board that has come out of a smart plug-in lamp dimmer/switch module. I would like to find the part number of a small SOT23-5 integrated circuit chip that is on this board. The SMT ...
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2answers
60 views

Component recognition from marking code

I need help to recognize a dead component from a lab instrument control board. It is part of a TTL-serial interface, arguably a logic gate or some level shifter, in a TSSOP-14 package. You can see ...
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1answer
101 views

What connector is this on an LED strip light?

I managed to find some scrap LED strips. I noticed that these have some peculiar connectors on them. Does anyone recognise what connectors these are?
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59 views

Identifying and replacing laptop motherboard connector [closed]

My laptop was having cooling issues, to I opened it up to clean the fan. When attempting to start it up afterwards, nothing happened, and soon after I smelled burnt plastic. Upon inspection I ...
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29 views

Help needed in identifying an Onda Z77/B75 VRM MOSFET

Can anyone give me any advice about identifying this MOSFET labelled GA2R80?
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1answer
27 views

Need some help Identify a Varistor

I had a either a surge or a part failure cook a few components on board. The board is rather old from a discontinued product. On the board the only components I've not been able to identify that need ...
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0answers
31 views

Name of Relay Function

I'm looking for a relay that would achieve the following: On input signal(HIGH) the relay would switch from CLOSED to OPEN The contact should stay OPEN for a period of time, let's say 1 minute After ...
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1answer
26 views

Id transistor code Smd: N3L1

Could you help me identify a smd transistor that has the following code: N3L1 (Sot23) thanks for your help
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1answer
945 views

Identify these wide ended tweezers

Working in an electronics lab, we do micro soldering and I came across the tool pictured. No Idea what it's is for. I'm guessing its some tool for holding or removing chips as you rework a PCB. I don'...
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3answers
121 views

What is this part of the wire called?

I have no idea what this part is called. I want to figure out if I can remove the wire out of it and slide in the other broken end before soldering it the board. Is it reusable, or do I need to buy ...
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74 views

Help to ID my component

Can anyone identify this component? I have tried to look it up based off suggestions written on this website but I am not an engineer and I am having a hard time. It has 5 pins, and written on top is ...
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1answer
347 views

Suction cup with a 1/4" TS cable?

I found this weird component at a resale store. I feel like it is some sort of pick up, but I'm not sure. Lots of things could have a quarter inch TS cable coming out of it and there are no markings ...
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1answer
51 views

Part identification, or alternative part - 63 613 Power Management chip

I have this part, which is the only component that has discernable discolouration, and which I would like to replace: on the PCB of a non-functioning SMPS (12 V 3 A): The only markings on it are '63 ...
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2answers
3k views

What's this thing which looks like a water sensor inside a PC mouse?

I found an old optical PC mouse, and decided to check what's inside. Everything seemed as usual, but there is a component I've never seen in other mice, and I don't understand its purpose (see photo ...
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0answers
37 views

SMD Component identification on USB controller lines

I'm trying to identify a couple of components on a nintendo switch game console i believe these devices are connected to the usb controller built into the tegra X1 SOC. The first device highlighed in ...
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2answers
99 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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58 views

Identification of mystery SMT capacitor [closed]

I am in the middle of a computer repair project and I have found a bad surface mount capacitor with the the text "AN3" printed on it. I have looked around online a bit and found a website which states ...
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32 views

Identification of a 18*3 pin, 2.54 mm spacing connector for a Bus debugging connector gateway

I am looking for a connector to buy online as a replacement part, following the specifications: 18*3 pin, 2.54 mm spacing. I'd like to at least find an appropriate identification for this connector ...
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2answers
164 views

Does anyone know which device is this?

It is used to harvest kinetic energy from a switch to power an MCU for a short period of time which drives an RF transmitter. Looks like a linear regulator but I am unable to trace it back to the ...
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1answer
57 views

Artec QDD2 reverse voltage problem

I have an Artec QDD2 overdrive circuit and I recently powered it up with reverse voltage by accident and it doesn't give any sound on the stages of distortion, however it is allowing the bypass on ...
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0answers
51 views

Anyone can ID this “FCI” connector in a Fiat 500 parking light? [migrated]

I'm looking to replace the terminals but can't even ID the connector. Can get a connector kit from the dealer for $70 but just need one 50 cent terminal.
3
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1answer
61 views

Component identification, on USB 2.0 data lines

The component i'm trying to identify is on the usb 2.0 D+ and D- lines of a nintendo switch, its got two ground connections and has the letters DUG on it. Can anyone identify this component?
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37 views

Finding the right multiplexer for my project?

For my project, I am cycling through IR emitters, turning them on and then off. For every emitter, I'm also cycling through all IR receivers, collecting their analog data. I want to use a multiplexer ...
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3answers
82 views

Help identifying an SMD component [duplicate]

I need help identifying an SMD component it is a small(1 mm X 1.5 mm) black part with an "O" written on top if it. I think it is a Schottky diode for reverse polarity protection ?. (Source, first ...
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1answer
50 views

Identify SOT-563 device with top code 49K

Please help me to identify this SOT-563 device with top code 49K
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2answers
91 views

What is this green component from a camera flash unit?

I recently opened up an old camera. I tore it down to its flash unit. I saw this green component and I'm not sure what exactly it is. It also has a small rod which fits inside the hole. When I ...
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2answers
68 views

What type of switch is this push switch [photos]?

I suspect this switch isn’t functioning correctly and would like to replace it but can’t find one similar. What sort of switch is it? The front is a push with two states (in/out) and has a bulb to ...
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2answers
2k views

Potentiometer like component

Okay you might get this a lot around here; I'm trying to figure out the inner workings of this specific potentiometer like component. I want to get my hands on the datasheet or a similar components ...
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1answer
71 views

What is this type of screw head for accepting test hooks connection called?

These screw heads are useful for retaining electrical connection with test hooks because of the two collars. What are these type of screws called?
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1answer
112 views

Identifying unusual three terminal component

I was desoldering some components from a board and found this three terminal device I have no idea what it is. The labels on the PCB were F1, F2,... which is usually reserved for fuses, but I've never ...
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3answers
93 views

What are these latching wire-to-board power entry connectors called?

What are these connectors called? They are very common for supplying power to PCBs; the latch keeps them in place. This particular instance has 3.5mm/.138in centers, but I see them a lot, usually ...
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0answers
42 views

ID motherboard chip [closed]

hi sorry if this is the wrong place to ask but I'm not sure where to look. I'm trying to id this chip from an msi motherboard to replace it. It went pop when plugging the monitor ribbon back in ...
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2answers
92 views

What are turret connectors?

While working on a project recently, I noticed that Digi-key has a product category "Terminals - Turret Connectors". I've never seen connectors like this before, and they don't look like any kind of ...
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1answer
26 views

Help finding a replacement varistor

Hello, I’m having problems trying to find a replacement for this burned out Mov. The only details I can read off the picture are 05D391k (no manufacturing detail or logo to trace) It is part of a ...
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1answer
41 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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0answers
41 views

Determining suitable transistor for replacement

I found a transistor is burned and I am trying to find a replacement one. Though searching with the markings on it, I could not find anything at several electronics shops I tried. How do I select the ...
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46 views

Can anyone identify this diode? S69D

I’m attempting to repair a totally dead Panasonic SC-HC30DB and have found a faulty diode in the secondary part of the SMPS. However, I can’t identify this diode marked S69D as you can see from the ...
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3answers
64 views

What is the “socket” on Hirose DF13-series jumpers?

For this pre-crimped wire family with a "socket" at one or both ends: Hirose H*B**-101**-** with these mechanical drawings: All units expressed in mm. Here is ...
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2answers
119 views

Need help identifying replacement components on PCB

I have outdoor speaker that has leaked over the years and now the passive crossover inside has become corroded and the tweeters no longer work. This is a dual voice coil speaker, so it takes both ...
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0answers
27 views

SMD IC identification - AGQ6NA

I'm trying to repair a Yamaha LED headlight. The panel has SOIC-10 ICs with AGQ6NA marking and no manufacturer info. They are probably boost or buck-boost converter controllers, they drive PJD25N06A ...
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1answer
40 views

Need help identifying this component recovered from a Fostex X28

This has been taken from a Fostex X28 4 track recorder and requires spares. I am not familiar with this component and I am unable to find information online. Does anyone know what it is and if there ...