Identify chips, connectors, cables, and other components, usually from photographs

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3answers
28 views

Identification of switch type casing type or housing type

I don't know what or how to identify this switch. Its dimensions are: 29.5mm by 25 by 21.5 tall. It has a lug for a screw on the side you can't see it is actuated by a pin on a separate housing ...
0
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1answer
90 views

Where can I find a transistor similar to a 2n 3904?

I have what I believe is a 2N 3904 638 transistor. It measures 50MΩ at around 70°F. How can I find a data sheet on this? How would I go about finding a similar / replacement thermistor? PS: ...
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1answer
112 views

What kind of device is this? [closed]

Hi, I found this device lying around somewhere and I have no idea what it is. Can someone help me figure out what it is?
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1answer
33 views

Identify high current LED Package name

Based on another question recently asked, this package is very common, used in high current LED applications (0.5W ~ 3W). The package includes the led chip, lens, heatsinking, but can vary in light ...
5
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1answer
189 views

What is this component with metal tabs?

I am working with a Firgelli Linear Actuator Control board and came across an unusual component. At first I thought it was a heatsink, but there does not appear to be any component under the metal. ...
0
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1answer
108 views

Identify surface mount transistor

I could use some help on finding a replacement Transistor. One of the depth finders on our boat has failed and shows a dead short on the power input lines. The problem may be a shorted Transistor in ...
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1answer
56 views

PCB Identification - Many relays, 2 LM2596s, and other power-related components

I'm looking at a board lying around in my home and have no idea what it is, expect for the fact that it appears to be power-related. There's a transformer in the corner, many relays, 2 LM2596s, and a ...
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3answers
76 views

Need assistance in identifying wire

I'm working on a LED project similar to the one in the picture, and I need to identify the black wire that the arrows are pointing to. What are those called? Here is a picture:
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0answers
63 views

For which type of serial communication is Arduino Severino designed? [migrated]

Arduino has become quite costly where I come from (2/3 of the price of Raspberry PI) so I have created an Arduino Severino clone. I had used the device with the RS-232 Usb-Serial converter. But after ...
13
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1answer
1k views

What's the usage of these holes?

I'm really curious to know what are these holes on this mobile PCB: Are these vias? I doubt they are vias. If these are not vias then what are they? What's the usage of these holes?
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1answer
82 views

What are these components in these circuits?

I have seen a documentary about making BGM-71 TOW (an anti-tank missile - the Iranians make it). You can see it in this link (part 1). I have seen two odd components. In your opinion, what are these ...
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1answer
66 views

Replay Philips Livingcolors remote signal

I have a Phillips Living Colors Lamp, which comes with a remote control. I'd like to be able to capture/replay the signal of the remote control so I can control the lamp with a microcontroller ...
0
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1answer
108 views

What are these parts? (better photos)

I have salvaged some parts that I can't identify myself. I would appreciate it if someone could tell me what they are called so I can look them up. I took some better photos of the first 3 parts, and ...
4
votes
1answer
790 views

Could I connect USB wires to this mysterious device?

In a treasure box, as I call the boxes full of old computer electrical parts, I have found a device marked HannStar MV-4 94v-0 0611 E89382. I'm intentionally linking you to google search so that you ...
3
votes
1answer
123 views

Identify failed component [closed]

Since this is my first question here, I hope this is on topic. The power supply of one of our old CISCO Aironet 1231G wifi access point failed recently, after a power outage. I think that the power ...
1
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2answers
51 views

K2554 transistor - is it equivalent to 2SK2554?

I have K2554 transistor. There is a symbol similar to Hitachi logo. I can't find datasheet for it. Is it equivalent to 2SK2554? Can I rely on 2SK2554 datasheet?
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2answers
59 views

Diode identification

I'm trying to develop a replacement for a BLDC motor driver board and since my first attempt resulted in a few burned components now I'm trying to use the same components they used on the original ...
1
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3answers
117 views

What is this socket name and where can I buy the female counterpart?

I have this socket on a PCB which is half inch wide (1.27 centimeters) with pins being close together (I think 0.05") and not uniformly spaced like in a normal IDC connector. I need to create a ribbon ...
1
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1answer
123 views

Identifying a blue LED

Is there a way to identify a blue LED? I only know it's bright (like a high intensity white LED), needs a higher voltage than the equivalent red bright LED, and has T1 (3mm) form factor. Note By ...
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2answers
80 views

Cable connector type identification

I would like to know what is the name of these type of Cable Connector's please, and where do I get them? and do they come in various sizes for the same Pin Count? also, I have another one with 4 Pins ...
0
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1answer
56 views

Identifying a bluetooth development device

This is some kind of bluetooth development device and I want to find out if this can be used with BlueLab software suit, but cannot find more details on it The main chip is BlueCore BC358 The ...
7
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1answer
537 views

Name for this type of connector?

Can Anyone help me to identify this board to board connector? 7 springs connector on top and 8 on the bottom. answer Found a Korean company producing it. Thanks. This is the plug on the other ...
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0answers
94 views

What is this component and what is its use?

I found this in CRT TV on the CRT tube driver PCB. What are they used for and what is their schematic symbol?
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1answer
47 views

Zener Diode Identification/Replacement

I am seeing if I can trace out remake some circuit boards laying around. For this particular board, I can identify all parts except this diode. The part number is CK 2EZET (I am only assuming it is ...
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0answers
94 views

Can anyone identify this power connector?

I'm looking to find the name of this type of connector: The picture above is from a power adapter I have and provides 10v (not that that matters). If you can't tell from the image, it's basically a ...
0
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0answers
58 views

What are these ICs: XLJ9021B and M713

Found on a microcontroller board from a CRT monitor. The microcontroller is HD6433256P. It has 2kb RAM and masked ROM, but it can be used in extended mode with external ROM. I want to know especially ...
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0answers
47 views

Identifying Crystal Resonator Case Marking ('T' in a Diamond)

I have been trying for several hours to identify the manufacturer of a quartz resonator. There is a marking of a 'T' in a rhombus, like so: Does anybody know who's mark this is? I know that I've ...
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1answer
77 views

Help to identify part

I'm trying to repair a broken baby monitor and found an interesting looking part. It looks like an thermocouple but I'm not sure. Do you have any ideas? See board picture.
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1answer
82 views

Identifying DC electrical power connector

I have here a PowerFilm 10 Watt F15-600 Solar Panel, and attached to the panel is this connector: The male end attached to the panel has a little green rubber gasket on it and the female end ...
4
votes
2answers
603 views

What are these capacitors?

I came across these capacitors in a kit and was wondering what type they are so I can buy more for use in button debouncing circuits. Unless I'm reading them wrong, they are 220 nF and 100 nF ...
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0answers
52 views

SOT-23 code Help Identifying

I am Looking for the Brand and Model of a SOT-23 marked with C013 Although not 100% sure its not CO13 (with O for Oscar). I have eliminated Philips Also got nothing in here Maybe someone that has ...
3
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2answers
325 views

What is this component (probably a shock/vibration sensor)?

The other day I received a promotional wrist band from a convention booth -- it has two LEDs that flash when you jostle it. I removed the guts to see how it works, and here is what I found: Most of ...
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1answer
48 views

Identify part number of a surface mount device

I have a commercial data logger to gather data from a heat flux sensor. The sensor puts out a signal in the microvolt-range. This signal is amplified before it gets logged. I think that I've located ...
0
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2answers
218 views

Identifying an IC with markings: 0270000 DCP1227 0601

I have a chip on one of my boards, and I cannot identify it. I tried differnet variations of search patterns but I cannot find it anywhere. The marking on the chip are in three rows as following: ...
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1answer
62 views

Help Identifying SMD Microphone

I suspect this component to be a SMD microphone made by ST. Unfortunately I could not map the writings on the device to any SMD microphone datasheet issued by ST. Do you have a clue?
2
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0answers
81 views

How to get more info about promotional video mini-board [closed]

As a promotional stunt, a content delivery network firm I won't name here, mailed a booklet that contained a small display that automatically started a video when opening the cover. I was unable to ...
0
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1answer
135 views

What are these connectors?

In the top-right of this panel, you can see two red and two white connectors. Can anyone help me identify what kind of Molex they are? Edit: Here is what the cable end of the connector looks like, ...
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0answers
83 views

Help to identify a connector

Can anybody identify the connectors in the two images below and give me some names or links, or whatever? The connectors are from inside a Microsoft Kinect sensor. Full size: ...
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0answers
59 views

What kind of connector is this?

I opened display from my Dell D600 notebook and found connector like this If I did good count, there is 2x44 pins inside.After some research, I found model of the screen, and it is ...
2
votes
1answer
52 views

SMD Connector type?

I am trying to find the connector type (see links below) for some time with out success. The pitch is 1.25mm. Also the "Shrouded Header WR-WTB" is really similar but the "key" is not in the ...
5
votes
2answers
816 views

What is this white board called?

I am just trying to to figure out what this is called. What I am referring to in this picture is the white board with all of the connectors and the led light attached. I am trying to purchase one ...
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1answer
76 views

Identifying this “Transistor”, in this particular circuit [closed]

I'm in FIRST robotics, and I've been helping with our robot over the past few weeks. Every robot (in FIRST) is required to have a status light, which is fancy-ily connected to some other gear. ...
1
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1answer
73 views

Identifying a part

I'm wondering if anyone can help ID the component in the red box as well as the IC right next to it. I suspect that they are a diode (the tapered end might indicate polarity?) and some kind of Opamp ...
3
votes
3answers
237 views

Really odd capacitor markings

I got some capacitors about two years ago now, which I foolishly removed from their bag, and I quickly forgot their markings. I can't even figure out which kind of capacitor it is. Tantalum seems the ...
0
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1answer
55 views

What type of axial capacitor is silver with transparent ends

I am reorganising my hobby electronics workplace and have found a box of axial leaded capacitors that all look the same, apart from their size and marking. They are silver with transparent ends, no ...
3
votes
1answer
188 views

Identifying a resistor with implausible or impossible color bands

How can I find out the value of this burnt-out resistor from a power supply? I've tried a few online resistor calculators and every single of them gives different values ranging from 0.1 ohms to ...
2
votes
2answers
130 views

What's the name of this component (Mechanical Switch?)

I am searching for the name of this electronic component (and a place to buy it): It is some kind of mechanical switch. When nothing pushes against the platic triangle, the switch is closed. I have ...
1
vote
1answer
105 views

Identify and replace a resistor [closed]

My APC UPS stopped working. I have had it for many years and it was serviced once by APC while in warranty and never opened again. Now since it is not in warranty anymore I opened it and saw two ...
4
votes
3answers
213 views

help for identifying an unknown chip

I've found a burned chip (due to DC power overload) inside the sound card Roland UA-25EX. This is a picture of the part: Can someone give me a hint? I'm not an expert, I want only to find the spare ...
2
votes
2answers
105 views

How to find a datasheet for a part that doesn't exist on the manufacturer's website?

While bored recently, I decided to take apart a few old pieces of electronic equipment and attempt to reverse-engineer them. I've been doing pretty well, but I've come to an IC that I can identify ...