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Questions tagged [identification]

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

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13 views

Ceramic capacitor, service manual mentions 99% tolerance?

Sony part 1-102-050-00 Service manual states: 0.01uF - 99% - 500V Ceramic cap looks like your average brown circle with no markings. Used in CRT projector. Basically no idea what tolerance I should ...
0 votes
1 answer
136 views

Help identifying a varistor from a fluorescent light tube ballast

I am trying to identify the blown varistor from my fluorescent light tube when I was trying to fix it. I have never seen a manufacturer marking logo on it with a "W" and a cross in the ...
0 votes
1 answer
63 views

How to measure capacitance of a single surface mount foil capacitor?

I broke a surface mount capacitor off in my LED light for my truck. How do I measure capacitance on the twin sister capacitor on the board? Well I've been looking it up myself too and I need a better ...
3 votes
1 answer
140 views

Identifying the following SMD component "FPR 595" (with top bar and dot)

I need help in identifying a SMD component which has the following marking code "FPR (with top bar and dot) 595" which is a 10 pin component 4 pins to the left and right and 2 pins on the ...
2 votes
1 answer
30 views

Help identifying 10-pin SMD IC in TP-Link TL-SG2008P switch

I'm trying to identify a 10-pin SMD IC located on a TP-Link TL-SG2008P switch. The markings on the chip are: First line: 2620 Second line: 2868 This IC is located near an MB510 diode and a Realtek ...
1 vote
0 answers
80 views

Unknown component in oil level sensor

An oil level sensor, on my 1999 model bus, broke and when I took it apart there were two components inside. One reed switch and one component in series that I have trouble identifying. I have tried to ...
1 vote
2 answers
316 views

Lego connector, 2 pin, Vintage

I have searched the forum and am unable to find reference so am asking what I hope is an unanswered question. I have been tasked with getting an old (eighties / nineties) Lego collection back into ...
2 votes
1 answer
555 views

Identify this 6 pin IC

What IC is this? It is used in a headlight.
-1 votes
0 answers
48 views

Marking code help [closed]

I have been searching for the part number for a device with marking code AR7DN, this device is SOT-23, 3 pin smd, please help
-1 votes
1 answer
81 views

I'm having trouble identifying this resistor

This is off of an air compressor circuit board. Can't find it using a resistor calculator online
-1 votes
0 answers
45 views

Need help identifying resistor from differential probe connector

Need help identifying damping resistor from deferential probe socketed tip, so as to my understanding it should have stable impedance up to several GHz. It has "150" marking on it, ...
1 vote
1 answer
139 views

Help identifying chip in Huawei motherboard

Can you help me identify this chip? It looks like a SOT23-5 chip, it seems to be part of the USB-C Power Delivery. The laptop doesn’t power up because this chip seems to be part of the negotiation ...
0 votes
1 answer
74 views

Help me identify this component: ST (e3) G ME GP647

Can anyone help me identify this component? PCB corroded, and it came off.
1 vote
3 answers
72 views

Identifying SMD chip with a code that contains .F22A?

I'm having some trouble finding the part number for the SMD chip, but I don't see any information on them. I've searched through S manuals. Please help me identify them. It's part of a F701 weight ...
2 votes
1 answer
51 views

IC identification - Analog Devices with top marking S2 M

Please help me identify this Analog Devices IC in the MSOP-8 package. The top marking is "S2 M":
-1 votes
1 answer
55 views

Identify IC marked "AC"

What is the IC marked "AC" in the picture below?
1 vote
0 answers
108 views

Identify SOT23-6 IC, marking 2105BCQQ, Inside mains LED driver

I have SOT23-6 SMD IC with markings code 2105BCQQ
3 votes
2 answers
604 views

Can't identify logo for a 135N68A MOSFET. Hunting for datasheet. Any ideas?

This MOSFET was inside an unbranded Chinese made PWM solar charge controller with no model number:
2 votes
0 answers
82 views

Identify device marked `NY2`

Can anybody identify the component marked NY2 shown in the picture?
0 votes
0 answers
50 views

Help Identifying IC with Marking "P2055 TI318 A3C2"

I have an IC that I am trying to identify. It is marked with the following: P2055 TI318 A3C2 I've done some preliminary research, however, I haven't been able to find a definitive datasheet or more ...
1 vote
1 answer
43 views

What is this chip FN98?

I am repairing a Philips digital door lock. I found a broken chip. FN98 imprinted on it. It is 8 pin. It placed in supply zone. Anyone does know this chip?
1 vote
1 answer
140 views

Identify SMD - top marking "0107" SOT23

I need to know the specification of the transistor (probably mosfet but I don't sure)
2 votes
1 answer
57 views

SMT Component Identitfication, Two Output Clocks: 32 kHz and 8 MHz

I need to identify an SMT component on a PCB I buy used, which is circled in the attached photo. I have been able to determine that it provides two clock frequencies. An early design (subsequently ...
3 votes
1 answer
116 views

SOT 23-6 SMD marking code GC1MGR

Please can anyone help me with a SOT 23-6 manufacturer's marking code? Tryed to search but cant find. It's from network switch (TL-SG1016D) power circuit. some kind of dc-dc buck converter maybe
0 votes
0 answers
52 views

Can you help to identify this TO-220 30-B20 Motorola 7913

Hi could you please help me to identify this component TO-220 30-B20 M 7913, see image ?
-4 votes
1 answer
134 views

Help in identifying an abnormal PCB found suspiciously [closed]

This is an odd PCB I found a while ago on the bedroom floor of my apartment next to my bed where my dongle for extra USB-3 ports was hanging off the bed. I have no relationship to this board, it's not ...
-4 votes
1 answer
61 views

I need help identifying a WL-CSP IC marked "14901 U25A" and "0120C U12A" [closed]

I can't find the chip, please help me. These two ICs may be from the same manufacturer. (Source: 52audio.com)
0 votes
2 answers
54 views

LCD TV (Littelfuse?) component marked BK 2CIJ8

I am an amateur in electronic component repair and I have started to repair my old LCD TV. The problem is that I found a component that I believe is the source of the problem, but I cannot identify it ...
3 votes
2 answers
568 views

Please help identify these 2.0mm pitch wafer wire to board connectors

Please help me find these 2.0mm pitched 6 pin connectors. They are used in this application for UART communication between a wifi module and the main board. The closest thing I found was YYECOM ...
0 votes
1 answer
149 views

Identifying unknown component

Does anyone have any idea what this SOT-223 component is?
2 votes
1 answer
55 views

Help me to identify this IC marked '840M1D'

Please can anyone help me to identify this IC (840M1D). The IC is driving a transistor before MOSFET on SMPS.
0 votes
1 answer
59 views

An IC to be identified

I tried quite long to find info on this IC. Could anyone suggest something? It sits in an induction stove for the front panel circuit containing start/stop, power and and time programming buttons with ...
-1 votes
1 answer
3k views

CR730-A-24 identification

Can anyone find a data sheet for what I think is a relay? It has the code cr730-a-24, 7.5A 250V on the case and I've found this picture: Are the three circles, 3 coils in parallel? How does this ...
2 votes
2 answers
128 views

Help me identify this 4 pin IC

Can anyone help me identify the component circled in the picture below? The marking says 9c304.
0 votes
0 answers
151 views

Identify IC SOT26 1K

I wonder what that could be: an SOT26 with 1K marking on it. SOT23 with 1K should be a BC848B, but mine is an SOT26. Do you have a clue? The component resides inbetween the open collector FETs and ...
1 vote
3 answers
231 views

What type of connector is this - Barco/Philips TSM12PHC

I have a Barco TSM12PHC also known as Philips TSM12PHC from a cardiology. Unfortunately, I am missing the power supply. I know that the display takes 24V at 0.8A. The first three pins are positive and ...
2 votes
1 answer
131 views

Identifying unmarked IC in CNC controller board

I have a Camxtool v3.5 CNC controller (similar to this, although this is v3.4) that has an unmarked IC that I haven't been able to identify: The IC is connected between pin PB3 of the ATmega328P (...
0 votes
1 answer
76 views

Please help me identify a diode

Good day, I can't seem to find any information about this diode/component. It measures 53.7 Ohms and only 25 mV on diode junction test. Would you please be able to help me identify what it is and ...
3 votes
1 answer
128 views

What is this C14-like DC connector?

I'm building a solar charger for my electric motorbike. The charger connector looks like an IEC 60320 C14, but it's actually smaller. That's a C14 connector on the left, and the connector on the ...
9 votes
1 answer
796 views

What is this 3 terminal white + grey surface mount device?

What is the surface mount component in this photo? The dimensions are approximately 2 mm x 3 mm. Markings look like a reversed 1 and S, or maybe SJ if read from the other direction. This is from a ...
0 votes
1 answer
89 views

Please help me identify this IC - top marking "CEK"?

Please help me identify this IC - top marking "CEK" such as picture below:
1 vote
1 answer
282 views

SMD identification (marked VS, VA, TF)

Can anyone help identify these SMDs? I believe they are regulators, but I need more info so I can replace them. They are only marked with VS, VA, and TF.
1 vote
1 answer
44 views

Identify component marked "f AA51 LM"

I’m trying to repair a faulty OTDR device. I found that the "f AA51 LM" SMD component was shorted, so I replaced it with what I guessed was a Zener diode. However, after making this ...
2 votes
0 answers
82 views

SOT23-6 IC marked 854A

please identify SOT23-6 ICs with markings 179A and 854A. These are mounted on a BLDC ceiling fan controller kit's power supply section. The power supply is 220V AC input and 24V DC output. Thanks P.S. ...
1 vote
1 answer
98 views

Help finding LDO IC with marking on device: 5ZCO

IC marking: 5ZCO The package is HSOP-6, a very strange package. It seems it is an LDO.
-1 votes
1 answer
148 views

Confirming resistor value

Hi I need to replace this resistor but I am not convinced that I have read it correctly at 180m ohm. Can someone confirm please? The third band looks like pink but I ha w read it as violet.
0 votes
2 answers
83 views

Identify board found on eletronic diposal

I have found this board on a electronic disposal point on my college. I'm not sure if it's working, but i'm very curious about it. It has a display, 4 buttons(one is damaged), some leds, a PIC18F448T-...
7 votes
3 answers
1k views

What is the name of this simulator

I am watching some tutorials which are explaining about transistors. I find the simulator tool used in the video amazing. What is this simulator?
2 votes
1 answer
89 views

Help identify part with marking code |ACG and VE

I have two similar 5-pin sots, one with marking |ACG and another one VE. They're probably tvs diodes but I can't be sure. I need part number for both of this. I have searched through various smd ...
0 votes
2 answers
81 views

Help finding LDO IC with marking on device: YSJG, YS2G SOT23-5 [closed]

I am searching for a few days now for what is presumably a LDO. The package is SOT23-5, marking: YSJG, YS2G SOT-23-5

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