Questions tagged [identification]
Identify chips, connectors, cables, and other components, from photographs and descriptions of the surrounding circuitry or equipment.
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Identify kind of cable with markings such as "WE-B 2 PAIR" on the jacket
While cleaning out our back yard shed, I came across a coil of cable of a kind that I have never seen before (image below). It was left here by the previous home owner, who worked in some kind of ...
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Help identifying Hall sensor (95B2h)
I am trying to identify a Hall-sensor located on a keyboard. There is one of these sensors underneath every key. One of them are broken and needs replacing. However, I cannot identify the component.
...
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Help identifying a Sot 23 SMD component with G1 on it
I am trying to identify a fried component in a fan controller. I believe the fan is a PWM fan, and my guess is that this component might be a transistor as part of the PWM circuit because that ...
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Digital circuit that squares a 4-bit input
Many years ago, I found a digital circuit that squares a 4-bit input in an old textbook (perhaps 1970s or 1980s, possibly older).
(The figure below is not the original figure.
I think the figure below ...
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Need help to identify an unmarked SOT23-5 IC
I have come across a PCB which is a vibration sensor (switch) based motion detection logic, where on any vibration is detected, the circuit will turn on/off a load. It works in same way as a Push ...
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glass diode marking has two bands not mentioned in datasheets
I found a diode in my pack of unsoldered diodes, but can not identify it.
Could you please help to identify the diode? I searched Vishay datasheets and some others and nowhere is mentioned diode with ...
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Help identifying UHF RF SMD component
I need some help identifying two components in this RF circuit. I have spent quite a bit of time searching for either, who makes it, or what exactly they do, but no luck. Maybe someone here knows ...
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Type of component in multimeter
What kind of component is marked SC2? There are no markings on it. How can I know the characteristics about it?
The components are located in the multimeter immediately after the input pins.
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Help identifying weird component (sensor)
I have this salvaged part, with an unknown source. I am trying to identify what exactly this could be. Due to the clear casing my guess would be some kind of a light sensor, but googling for those ...
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Can anybody identify this IC?
It's part of a power supply for an LED light that's supposed to look like a neon light.
Input: 120VAC, 0.30A
Output: 4.5VDC, 1.5A
The light is broken and is flashing at about a rate of 1Hz and I'm ...
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Help identify component HP5300A
The red framed element is on a PCB of a 1973 Hewlett Packard 5300A Measuring System, Digital Multimeter Board.
The double wire seems to have normal resistance.
What is the screw for?
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Identify the manufacturer's logo on the connector used in IKEA OMLOPP LED lights
Can someone identify the logo on this 2-pin connector used in IKEA UTRUSTA/OMLOPP kitchen countertop lights?
The marking on the connector is 58A and some logo, which I can't decipher but it looks ...
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Identify this component on wireless receiver
I try to assemble a wireless power receiver by my self from the following diagram:
I'm trying to match with the one I bought, but I'm not able to identify black component indicated on the picture. ...
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What's this IC marked "DX 802"?
This is a circuit board for a set of decoration lights that runs on AC.
The tick marks of the same colour indicate which tracks are connected. The three wires soldered on the top of the board are ...
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Help with component identification
The component (IC206) is on the mainboard BN94-13095E of a Samsung TV model UN43J5290AG.
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Identifying old Thermal Relay and its operating parameters
I was hoping that I could get help identifying an electrical component from a environmental chamber over 30 years old. It is a Sunvic Thermal Relay Type TDW-AJ 2301, 17A 200/250V AC as shown in the ...
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Trying to identify PWM IC with marking 1WAU its a SOT23 device
I am trying to identify the device 1WAU which i believe is a PWM buck converter, its driving a BUJ302AD transistor. I have searched on google but no luck in finding this device. If anybody can help in ...
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Found a bizarre looking capacitor
I found these capacitors from a broken test equipment in my lab. I guess these are capacitors since the component label starts with 'c'. But I'm not 100% sure what they are exactly. I've also noticed ...
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Need help to identify this IC
I am struggling for about three days now to find the part number for U118. Tried every online database, but I still cannot figure it out. Marking is 14YN/H 891 A981.
Any ideas about which manufacturer ...
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Is there a name for this vintage 3-pin connector?
I am trying to find a suitable replacement for this connector for a photographic enlarger, and I need a name to search for. Is there a name for this particular pin layout or type of connector?
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12 V, 2-pin power socket identification
I’m trying to find a replacement 12 V, 2-pin plug socket for my Campingaz TE 28 LC Cooler. The socket is 22 mm wide x 15 mm deep x 13 mm high.
I can find plenty of power cords but no sockets to plug ...
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Looking for part number of a 9-pin connector
Here is the 9 pin connector. For reference: it is used for Li-ion battery packs. In the datasheet it is given as 90SR 9WMN. Searching for the same, I could not find anything similar.
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Identify this telephony or data connector?
Recently I had the opportunity to visit a telecom/data room that was being decommissioned. A lot of the remaining equipment seemed to be from around year 2000 or so, as best as I could tell.
While ...
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Dumping the content of a Toner Reset Chip using an Arduino UNO through I2C
I am trying to dump the content of this Toner Reset Chip using an Arduino UNO. I read a lot about these chips and the most intriguing with this one is that it only has GND, CLK and DATA pins. There is ...
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Need help to identify this diode
Need help identifying this SMD component which is shorted. I suspect it is a Zener diode. I have searched the markings ad nauseam but could not find an answer.
The length is 5mm, so I believe it is a ...
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What is the name / Part Number for PCIE 6+2 Power Connectors (Specifically the +2 connector without a retention clip)
This is the part I'm trying to find:
I can find the 6 pin connector (I think), but I can't seem to find the +2 pin connector. I'm attempting to make some cable assemblies for a weird but fun project ...
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Identifying exact type of transistor
I can not identify the exact model of this transistor.
It reacts as a bipolar NPN Si transistor with EBC pin configuration (first image left to right,) not ECB! This seems to be made by Siemens. ...
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Help identifying component in SMPS
I have been working on a Schroff/Cherokee Europe PE1947/23B SMPS (circa 2004?) and have had trouble identifying a component within the circuit.
This SMPS features the following outputs:
+12v DC @ 8A
...
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Need help to identify this component from an LED driver module
I got an LED driver module(LDM) from a truck that drives the headlight of the truck.
The PCB has a strange component which I have never seen before. I have added a picture of that component. The ...
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Microcontroller identification, 44-pin
I am desperately seeking the real type of this branded 44-pin microcontroller.
Does anybody know this pinout?
I already checked many thousands of 44-pinners on Digikey and Mouser.
A 16MHz crystal is ...
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Help identifying this MOSFET
Trying to figure out what this is, and suitable replacements. Markings are "1 Wt 77" Cannot seem to find anything.
Edit: I removed and sized it today, looks like 2.04 mm square package, ...
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Help finding PWM IC with marking on device '63H51a'. Package of device is SOT23-6
I am trying to do some reverse engineering on a 12V DC wall adapter where I found this 6 pin PWM IC marked 63H51a. I am unable to find any of its details on Google. So requesting if anyone could help ...
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Magic "JFN8-1“ IC - IC Identification
I've been searching for weeks now and haven't found an answer.
Goal:
Identification of this IC:
JFN8-1 GA167003
What it does:
If you press the button, it generates a "buzzing" sound to the ...
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What type of diodes are used in this setup (igniter from kubota gasoline engine)
The 2 diodes in the picture are over the collector and emitter of a darlington transistor. In an earlier question here i was not able to find what type they were by their print (T3G4E). So maybe this ...
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Unusual symbol on schematic
What this is symbol? It's in series with a miniature incandescent lamp and I do not recognize it.
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Possible FET with SMD marking 2YJ33
I need to replace a SOT-23 SMD transistor with the marking 2YJ33 (image attached Q1 and Q2). Any idea what it could be?
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Delta/Scott-wye/Scott?
I’m a level two electrician so we haven’t been taught about 3 phase even though I work with it all the time and I think I have an ok understanding.
I can’t find any information on this transformer and ...
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Connector identification for Avermedia C875
I have an AverMedia C875 device, I would like to capture an analog output of my VCR with it. The device has a specific connector for such purposes, but I sadly don't have the dongle that originally ...
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Identification IC: LDO, SOT23-5, Marking HR1zG
I am searching for a few days now for what is presumably a LDO.
The package is SOT23-5, marking HR1zG (or with a bit of fantasy HR1z6)
...
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1
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What is this component used in the Oura Ring charger?
PCB bottom as described in the link：
Could anyone identify the manufacturer or a similar product to this ~6x7mm inductive charging coil?
Does anyone know what the name of the black component in the ...
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Is there a name for this 24-pin vintage Howard Jones connector?
Is there a name for this pin layout or style of 24-pin connector?
This is a Howard Jones-style connector, circa 1950s I believe?
I know similar ones are used for vintage radios, but the layout and how ...
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What is the name of this huge high-power test equipment?
It seems very old, maybe more than 50 years, and it doesn't have an information plate.
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What is the female matching connector to this male circular connector?
I was wondering if anybody knows a part number for the 6-pin female matching connector to the 6-pin male circular connector shown below ?
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Identifying a chip from its logo and chip markings - no obvious search engine results
I've been unable to identify the MCU on a cheap consumer device board I'm examining, which is quite embarrassing as it's well marked and even has a logo. I can't match the logo to anything from memory,...
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Need help identifying SMD, 6 pins, 1.6x1.6mm, top marking 82S
Does anyone know what it might be?
Dimensions 1.6x1.6 mm, 6 pins, top marking 82S.
upd:
This is CarAudio Board Motrex MXTM200.
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What is this vintage 1979 IC: General Instrument PB8300 in PDIP 14 package?
In one of the drawers of electronic components I've accumulated since middle school (late 1970s), there is one integrated circuit I have so far been unable to identify (yes, only one* thanks to the ...
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Identification of SOT-23 device
I have a small SOT-23 (3 pins, transistor-like) device that burned out (shorted between 2 pins). I need to identify it so i can replace it.
It belongs to an Asus mainboard and after it burned down the ...
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What is this unusual jumper/busbar?
Metal. Length is 5/8", pitch is 0.1". Ruler is centimetres.
This thing is really useful because you can plug it into breadboard and attach a probe clip to the square tab and the connection ...
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What is this sheet metal cutout on the PCB?
This PCB is from a car body control module which contains a bunch of relays to control various motors (windows, door locks, etc.). There is no RF devices on this board. This sheet metal cutout looks ...
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Help identifying right angle (or 180°) USB connector part number
I am searching for the right angle (or is it 180°?) usb connector used in the product on the following webpage - https://thepihut.com/products/solderless-zero-dongle-for-raspberry-pi-zero?variant=...
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