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

learn more… | top users | synonyms

0
votes
0answers
17 views

Finding RPM & voltage of undocumented step motor

I'm trying to run a EM-483 step motor from Epson printer. I can identify the coil wires (A+,...
0
votes
2answers
90 views

Could someone identify this old prototyping board?

A friend of mine had this lying on a shelf- he had found it while cleaning out his basement. Any idea what it is meant to slot into, or its purpose in general?
0
votes
1answer
88 views

Blown transistor on control board. Am I correct that it is probably an N-channel MOSFET? (and help identifying)

Please see the image below. I was attempting to hack my espresso machine (my hack was working, then I re-designed the circuit...). Something went wrong, and I believe I blew an SOT23 transistor (Q2 in ...
2
votes
1answer
69 views

What is this two-lead component across an AC input?

I'm looking at the PCB for a bicycle headlamp. The input power to the headlamp is approximately 6 V RMS AC, from a bicycle generator hub – the same sort from this question. I've identified most of the ...
0
votes
1answer
64 views

Help identify a resistor-like component

I came across this component, it looks like a resistor but has no color bands: Thanks
1
vote
0answers
33 views

Identification of a plug

I found this cable in a box of old bits. It is 4 wire and has test clips on one end and a barrel type plug on the other. I am trying to find out what the plug is called and I hope to locate a ...
6
votes
2answers
223 views

What type of encoder is this (optical, magnetic, inductive… etc)? and how does it operate?

I have found this circuit mounted to a DC motor. It is probably an encoder but I don't know how it works. I have looked everywhere but I could not find a similar encoder assuming that this is in ...
0
votes
4answers
76 views

What is the part name / description for these test points?

What is the name/description for the test point pins on this board? I've tried Digikey for all combination of binding post, test pins et, but no luck. These are through hole parts, height ~6mm, pin ...
0
votes
2answers
89 views

Unidentifiable cable socket

Hi looking for a manufacture part ID which matches the socket in the pictures attached. Measurements are:- inner black plastic diameter 12.5 mm outer metal case 14 mm metal screw nut (for ...
1
vote
1answer
42 views

Help identifying ceramic disc capacitor

I have a blue ceramic disc capacitor and I'm trying to work out the values. On one side of the disc are the following characters, in approximately this pattern: ...
0
votes
1answer
167 views

What is the name of this cable?

What is the name of the next cable: (source: http://www.e-shetach.co.il/images/itempics/24to12_large.jpg) Those are 2 examples of how it looks, can anyone tell me the name of it? Thanks in ...
3
votes
2answers
94 views

Help me identify this rotary encoder [closed]

I need help identifying this 360 degree rotary encoder on my Roland SC-880 rack synthesizer. This one has become 'jumpy' and Roland claims the part is discontinued. So my only choice is to replace it. ...
-3
votes
1answer
55 views

Integrated-circuit identification

I need help identifying two SMD parts. One says (1G5) and the other says (1P) they each have six pins.
0
votes
1answer
60 views

How a robot can Identify numbers?

Suppose, I have 10 pieces of PVC squares. Each PVC square has a number printed on it. I want to create a robot who identifies the number printed on a square. Can anybody give any ideas? I mean is ...
5
votes
1answer
309 views

What is this schematic symbol representing?

I found this symbol in some datasheet. But I have no idea what is it? Can anyone tell me?
2
votes
1answer
83 views

What type of zener diode is this?

What type of zener diode is this? The thin band is blue.
0
votes
1answer
71 views

Need help identifying an integrated circuit

Pulled from a large tube TV, this one is a real head scratcher. I think it's an RCA chip but all RCA chips I've see use a different part naming scheme (for example ...
0
votes
3answers
106 views

What is the small barrel type connector called?

I just ordered a barrel connector but it's bigger then the one i need, What is the small barrel type connector called. My original one has a yellow ring around it, Is that an indicator of what type it ...
0
votes
1answer
72 views

How to identify SMD devices from the codes on top of the component?

I have a PCB and I am trying to identify a couple of the ICs and other SMD devices that are on there but can't find anything on or offline that tells me what the package codings mean. I have a couple ...
0
votes
0answers
67 views

Who has manufactured this IC?

This is a RF receiver IC from a cheap Chinese radio controlled toy. I am not able to figure out whose logo this is.
-1
votes
2answers
63 views

Cable Connector Identification [closed]

I recently bought Belkin Ultimate Surge Protector for protecting my modem, router and PC. I have a broadband connection from Cable provider (through modem via coaxial cable). Now I wish to connect ...
1
vote
1answer
41 views

Help Identifying Radio Component and Replacement Part

My girlfriend picked up an old Philco tabletop AM radio. If I had to guess, I'd say it was manufactured around 1960. I couldn't find any model number or year stamp. It's encased in plastic. It powered ...
-2
votes
1answer
48 views

Help identifying those parts SG7 / EA336L / M71A / 8246 / K333CD?

Could someone tell me what is those parts are used for? I tried googling on them but with no results Attached is the picture on their borad, it's a podometer
6
votes
1answer
1k views

What is this 60's-80's era component?

My friend owns a factory with a very old machine. This component appears to have failed, but he does not know what it is. It is likely that it is a much larger version of a modern component. Here ...
0
votes
3answers
110 views

Can anyone identify this type of connector?

My Sony CMT-X5CD (CD/DAB hifi soundbar thing) uses a very non-standard antenna connector, as shown in the photos. Can anyone identify it? It's used for the ariel (but unfortunately, the ariel supplied ...
1
vote
1answer
106 views

Unknown “268” DIP-14 IC

I have been going through a container of old electronics and discovered a set of ten DIP-14 ICs labelled "268." I have searched this number as well as the additional unique number on each chip, but ...
0
votes
0answers
26 views

Help identifying this IC? 0681, V04, FM279U01

Can anyone help identify it? As far as I can tell, the markings are 0681 on both sides of the die, then in the middle it has V04, and at the bottom it has FM279U01.
0
votes
0answers
56 views

Mystery Geoscience (?) Device

My friend went through the electronics dumpster at the neighboring geoscience/civil engineering faculty and dug out this device which we can't figure out what it is. Approx 25*10*5 cm in ...
-3
votes
3answers
66 views

DIL Chip information required

I have a "Delay Timer Switch, with delay adjustable from 0 to 10 seconds". It operates from 12V. Can anybody tell me that what is this part in this PCB? I guess it is DIL chip (I am a beginner and ...
12
votes
2answers
975 views

Unusual old resistor symbols identification

Image from: here. This image is the schematic of an old Tesla 521A valve amplifier radio. On the following resistors in the schematic there are weird markings: R4, R5, R6, R24, R25, R26 I am ...
0
votes
1answer
54 views

Safely removing bonding glue from an IC in order to identify it?

I have an IC, that has 5 visible bonds. The entire IC is covered with some sort of semi transparent bonding glue. I want to identify the IC and were thinking to remove the glue somehow. What chemical ...
2
votes
1answer
108 views

What is this component

I am trying to identify this electrical component at my work, it acts a leak detection sensor on a pump that when exposed to water will shut down the system. Thank You !
0
votes
1answer
131 views

Help identifying this chip (EEPROM?)

I have a circuit board from a Stratasys UPrint SE filament cartridge, and I'm trying to talk to the EEPROM on it. This board is unlike other Stratasys boards that I've seen people hacking with, and ...
1
vote
0answers
120 views

Need help to identify a PCB connector

I'm refurbishing an old Apple II Power Supply made by Astec. It's working now, but I damaged the connectors which connect the Live and Neutral wires to the Power Supply PCB. On the PCB are two posts, ...
7
votes
2answers
388 views

What is the purpose of these forks?

I have disassembled a phone charger today and I have found some interesting feature that I do not understand, I have marked it on the picture. Left side of this structure is connected to P1, that is ...
1
vote
1answer
123 views

What are these displays called?

I now searched the web for about an hour and just can't figure out how these displays are called or where to buy them. A lot of airports use them for the departure table. They seem to be just ...
0
votes
0answers
85 views

5.5 B&W CRT pin identification

I have a CRT from a cheap Chinese 5.5 inch B&W TV and I am trying to make it work. I need your help on how I should connect everything in a circuit. The electron gun is mounted on a 7-pin plastic ...
4
votes
1answer
104 views

What is the name for gold plated docking station contacts?

I design a device that must connect to the docking station which has spring loaded pins. I'm looking for gold plated contact for the device side (sample shown on the picture), so these contact pads ...
3
votes
2answers
213 views

“Position measurement diode” identification

We have a component laying around our lab that we have been using to take some measurements. Supposedly it reads the position (x/y coordinates) of a laser beam (standard 5 mW red laser pointer) ...
43
votes
1answer
3k views

What is this object found on transmission lines?

What are the components, circled in red in the figure, on this transmission line ?
0
votes
1answer
51 views

Component identification service

For pills there exists a service which can ID them based on markings, shape, color, etc. I buy the grab bags of ICs from Jameco and sometimes get a part or two that I can't identify within a few pages ...
0
votes
1answer
61 views

What type of molex connector is this?

I've been buying wire-to-wire and wire-to-board Molex connectors that look like this: from a local hardware store for years (the image is taken from SparkFun, which sells them with the crimp ...
1
vote
1answer
86 views

Identify/substitute an SMD MOSFET labeled “540N 88KFG” for LCD monitor repair

I'm trying to repair the logic board of an LCD monitor that died while giving off a burned smell. It seems that an LCD driver chip and a MOSFET (I think) burned out. The chip was easy to identify ...
0
votes
1answer
77 views

Component identification 8Y

I hope someone can help I am trying to find out what this component is so I can hopeful replace it The device is a Fluke Network Management device the unit works for about 2-3 minutes depending on ...
1
vote
0answers
115 views

Can anyone identify this part?

I am thinking maybe a thermistor? I can't remember where I got it from.
3
votes
1answer
198 views

What parts could be labeled XT and be near a Clock of a microcontroller

An ice cube maker stopped working with the symptom that the temperature cycles are getting shorter and shorter. I suspect that the microcontrollers clock is not working properly. I desoldered a part ...
0
votes
1answer
34 views

“LB” component reference designator

I'm doing a bit of reverse engineering on my Das Keyboard Model S Ultimate. I'm beginning to develop a pretty good understanding of the circuitry, but I am confused about one type of component on the ...
0
votes
0answers
59 views

Need help identifying a component

I'm doing a repair job on a hard drive logic board which has a blown component. I'm used to dealing with SATA drives where the TVS diodes have suffered damage and therefore taking them out of line / ...
1
vote
0answers
48 views

Aircom air connectors, what are they called?

Does anyone know what type of connector this is?
0
votes
0answers
36 views

Type M AC Adapter Pins -Identification Help

Below is the picture from a Belkin Wemo wireless switch teardown for the side that plugs into the wall outlet. The complete teardown is here They have mounted the AC pluggable pins directly on the ...