Questions tagged [identification]

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

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55 views

Help identifying components in schematic for HT9032

I'm new to electronics and hoping to make a caller ID interface using an HT9032C or HT9032D to do the Bell 202 FSK demodulation. However, I'm having a problem understanding the example application ...
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72 views

Identify some SMD components

I need to identify some SMD component. COMPONENT 1: Markings are T5 and G7. Seems package is DFN 6. COMPONENT 2: Markings are J90 (underscored) Package is a 6 pin SOT This one I suspect is some ...
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50 views

Need help identifying cable in old boombox

I'm planning to replace the radio part of my old boombox with a 3.5mm jack so I can connect my phone. The cable that leads from the main pcb to the radio pcb has four lines, labeled L, G, R and +B. I ...
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106 views

Leads of a particular electrical component

Is lead the most common term used in electronics to indicate the number of connectible input/outputs that a component has? Are there other terms that are used ...
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67 views

Need to identify this 3-pin Connector to a small amp. It's a Pre-Amp input

I could use the neighbouring 3.5mm stereo jack for sound input, but those connections are flimsy. It's a 3-pin connector, 10mm long, 6mm wide and 7mm high with alignment slots on all sides but the ...
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5-pin SMD device identification - top marking CaC9A

Please help me to find the name of this SMD device with top marking CaC9A
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68 views

Could anyone help identify this electrical connector?

Does anyone know what the name of this connector is? I've searched high and low and haven't been able to find a replacement. It came out of a Piaggio motorcycle instrument panel. A similar plug that ...
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104 views

Identify unknown Microchip IC from Opel LCD dashboard - markings 25072478 REV D 9119 CCA

I already asked this question in Reverse Engineering StackExchange more than one year ago. Since then I got no answer and I have tried to search again in google and so with no success. I have seen ...
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83 views

PCB markings - What components might have component designators TB1, TB2 etc?

Looking at a PCB, there are 4 components marked TB1, TB2 etc. I believe that the markings mean terminal board. What exactly is a terminal board? Update: Unfortunately I cannot show a picture of the ...
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798 views

Help identify missing component USB power

Can anyone help identify the component that is missing from this circuit board? The board is the main controller board for a music keyboard. The keyboard is meant to be able to be powered over USB but ...
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37 views

Looking for a wire mounted pin header connector

There are connectors on many modern motherboards and peripherals intended to control RGB LEDs. For example, this one has a connector like this: And it is intended to be connected to the pin headers ...
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57 views

Diode marking code KE OB, what could that diode be?

I need the datasheet of this diode. The code written is KE OB or could be KE 0B.
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536 views

What is the name of this single slot PCB-mounted connector?

It's about 14mm wide and has 21 pins.
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69 views

What is a three-pronged LED?

I've used two-pronged LEDs and Diodes, but I've come across a three-pronged one: What is this component called, and how would it work?
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27 views

Capacitor ID? Polar or Nonpolar?

I have been trying to repair an old 14 transistor radio from the mid-60's and have no sign of any image of the radio or schematics for it online. One step I'm taking is to replace old caps (mostly ...
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91 views

What is this connector type

Could anybody help to identify this connector type? I know it is kind of old.
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54 views

Identification of Connector

I need to identify a connector on this image. It is the one labeled as 'Input Cable'. Image is from https://www.alphaomega-eng.com/neurofortis.html. This is how the corresponding cable looks like (...
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37 views

Parameters for VAC 5046-X005 gate pulse transformer

I'm trying to parameterize this device to find a suitable equivalent. Trouble is, there seems to be no datasheet available, and one of the two secondaries are measuring open, so complete measurements ...
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37 views

Different markings, same thermistors?

I have three thermistors marked as follows: SCK 053 (dark green); NTC 5D-9 (black); DSC 5D-9...
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53 views

PJ344K help to identify please

Transil probably, but google, vendors do no know this part
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46 views

What series connector is this?

I desoldered a bunch of connectors (out of a Baird VHS player IIRC) long ago and never made an effort to find out what they are. The only markings I can find on them are a very faint ...
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82 views

Identification of round, keyed, two-pin high power connector

I just got a new electric bike and I'm thinking about adding an extra 36V 20Ah battery to get more range. What I'm thinking is to pull out the main battery when it runs out and connect the second ...
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63 views

Please help to identify component (From Nest E thermostat base)

I've just blown the thermostat base by misconnecting wires. The component marked on the picture is visibly damaged. Is it possible to identify what that part is? Thanks.
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67 views

Component identification - MELF capacitor? inductor?

I opened a circa-2005 TV tuner VHF/UHF "can" from an 19" CRT Emerson TV and found these hollow MELF components. Can anyone identify what they are? They measure as capacitors but I initially suspected ...
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80 views

Identify amplifier or transistor

I am trying to repair a PCB that controls a camping fridge, in the process of reverse engineering the circuit I have got stuck at the device in the top left of the below photo marked K17h I believe ...
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1answer
197 views

What is the difference between F5AL250V and F5L250V fuses?

In the glass fuses' code F is for fast blown the second number is the current, but I ignore what is the difference between L an AL (if there is any). Could someone explain this.
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65 views

can you please help me to identify this smd component marked M 412 727a?

Hi please help me identify this smd component marked M 412 727a thanx
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82 views

Help identifying 1.25mm pin pitch, 15-pin connector (crimped)

Please help identifying this connector: measured pin pitch: 1.25mm (17.5mm/14); may also be 1.27mm 15 pin (female), single row crimp connectors 1.5mm width (thickness) photos of the socket:
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57 views

ON Semiconductor diode - markings 751 KE

I can't seem to find this on the ON Semiconductor page. It's 4mm in length and about 3.5mm in width. Can you tell me how you figure it out, so I can learn?
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70 views

Help Identifying a few Molex-style Connector?

I would like to find replacements for the connectors in the below photos. They're in an arcade game called Pump it Up (think the Korean version of Dance Dance Revolution), and connect the dance pads ...
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43 views

Parameters needed to identify the correct capacitor

In a traditional power switching supply PCB like this one, (source of the image) ceramic capacitors are sometimes present as discrete components. They appear as: (source of the image) I would like ...
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95 views

Differences between 220pf 1000V capacitors

I need to replace a popped capacitor. Externally, it looks almost like (source) except for the first letter: in my case it is R and not ...
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199 views

What is this PCB component?

I took apart a bank token (Digipass 550 manufactured by Vasco) and this is part of the board, you can see the screw hole with the gold plating together with what looks like a PCB inductor and ...
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36 views

BM1815 diode, need help finding

I'm looking for a surface mount diode. It's labeled BM1815. It is cracked so I can't get a reading in diode mode. The physical measurement in inches is 0.14W, 0.18L, 0.09H. The voltage coming into the ...
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53 views

What is this 0.35mm mezzanine/FFC (?) connector?

This connector is used in Retina LCD controller boards to connect the LED strings. Pin pitch measures at 0.35mm, height 0.7mm, overall dimensions (with leads) about 4x2.5mm. Couldn't find it at the ...
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334 views

How does this coupler work?

I've bought a few 50MHz-6GHz directional couplers (SEDC-10-63+,) each for 75$. Here is a picture of this expensive coupler: Unfortunately one of these couplers was not working from the beginning so I ...
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235 views

Identification of a very strange SMD component

Could anyone help me identify what component this is? It is the white component with a black stripe. What ever it is, it appears to be a open circuit. I couldn't measure any resistance (or ...
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58 views

What is this part? (DIP, 14 PIN, Fairchild Logo, 5036516 -00 8432)

Found with a bunch of boxes with 74 Series Logic Chips. Can't find a datasheet anywhere. Text: 5036516 -00 8432 Indonesia
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71 views

Can anybody identifies type of this socket on MSI GForce Super video-cards?

I need to identify these two connectors on videocard's PCB to by them. They are for backlight system and alike JST SH04 or Molex Picoblade, but i am not sure about it.
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62 views

What kind of IC component is this (JBN 5)? Photo

I'm playing with an Electric Fence Tester, trying to understand the schematics. I can't identify this component, due to my poor knowledge in electronic. The aim was to connect the 7 segment display ...
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2answers
133 views

What type of 2-pin connector is this?

Hoping to identify what this 2-pin connector is so that I might 1) order more of them and 2) order a crimping tool that would work with them. I believe the wire in the photo is 26 gauge. Is this ...
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1answer
175 views

Identifying a cylindrical SMD component with two banded color markings [closed]

I have been looking at google images of cylindrical smd resistors, but they don't look like the ones on my board. So my question is: What component is this? Long story: This board is a 230VAC to 11....
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73 views

Need help identifying two and three terminal SMD components

There are two kinds of components which I need to know about:
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96 views

Can anyone ID? It was in my Goose Island Beer

Opened a 12 pack of Goose Island IPA nought today and this was stuck to the inside cardboard flap. It has a flashing light on the back. Any idea what or why? www.RocketProduction.com isn’t a valid ...
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68 views

Please help me identify the SMD component

I have two nVIDIA Quadro P5000 GPUs. This component got damaged in one of the GPU while I was removing it from the PC. Please help me to identify this SMD component so that I could purchase and solder ...
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98 views

What is this component marking 100K?

What is this component, a capacitor, resistor or conductor? I have a portable pH meter but cannot measure alkali/basa. I think the sensor working perfectly: out 0-5V equals 0-14pH. I try to measure ...
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1answer
108 views

Unknown 5-pin opamp / comparator IC with “>10” marking

I'm trying to figure out what this 5-pin IC from the below image could be: The SMD Package looks to be TSSOP5. The component is used in the Kemet SS-430 sensor module. I think, is part of the output ...
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70 views

What is the purpose of coating around heating element in soldering airgun?

I have disassembled my SMD reworking airgun (to determine the cause of a 5-E error) and in aigun I have found a paper-like coating wrapped around the heating element that totally crumbled to dust and ...
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94 views

Please identify this 6-pin SMD marked AI531

It is a 6-pin SMD from 1.6W blue laser driver The code on the case is AI531 Please help to identify this SMD. https://tr.aliexpress.com/item/33045090236.html?spm=a2g0n.shopcart-amp.item.33045090236 ...
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56 views

50 mOhm F SMD resistor identification HELP!

I have been trying to identify this resistor so I can order replacements as several are bad in my device. It’s fairly large. 11mm x 5mm? This is an estimate in reference to the nano2 smd 7a fuse in ...

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