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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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Chip Identification - SAW part marking

would anyone know what chip this is? I thought it could be BSS123, but I am not so sure anymore, because the drain would then be connected to a feedback pin of a flyback DC-DC converter and the gate ...
Cillantro's user avatar
  • 129
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1 answer
50 views

Part Identification and Circuit clarification

i am trying to repair a laser driver circuit. Apparently, it was connected to a lab power supply (the driver is rated 4-5,5V, 8A) and someone turned the knob, so it got way higher voltage. I ...
Boldar's user avatar
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-1 votes
1 answer
100 views

Help on IC identifying

Please help me on identifying the following chip. Smd mark says "5MM 615". Picture: Addetto better picture. It appeaers to me 5MM on the first line with 5M overlined. 615 on the bottom line ...
salvatore cirasa's user avatar
0 votes
1 answer
25 views

What is this IC marked '63M44P .420'?

I have an IC in an SMD package with 6 pins. It is used in switching power supply. It is marked as: First row: 63M44P Second row: ...
Иван Боев's user avatar
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0 answers
41 views

Help identify what IC is it?

help please identify what IC is it (or even manufacturer) ? (22C3TWB0c e3 and and few triangles logo)
Lion's user avatar
  • 11
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1 answer
60 views

Part number of this IC marking "302 0"

I want to know the part numbers of this IC. Thanks, [![enter image description here][2]][2] As I measured in PCB, If this IC marking 302 below is a P Mosfet channel, this schematic will be the ...
Bang Duong's user avatar
0 votes
2 answers
57 views

Part name of this IC - "5CTI PSZQ"

I want to know the part numbers of the components marked as shown in the attached image. "5CTI PSZQ" and "OM TI MAP"
Bang Duong's user avatar
-5 votes
0 answers
51 views

Draw the following circuit [closed]

Draw the following circuit according to the condition below : switch one 1must switch lamp 1only and switch 2should only switch Lamp 2,,,,, when either switch or lamp is on , the other switch or ...
Kache Gobelo's user avatar
0 votes
1 answer
47 views

Part name of this IC - "tC5"

I want to know the part numbers of the components marked as shown in the attached image.
Bang Duong's user avatar
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1 answer
62 views

Part name of this IC - "LLA#537"

I want to know the part numbers of the components marked as shown in the attached image.
Bang Duong's user avatar
4 votes
1 answer
186 views

Part name of this IC - Analog Devices, 8-pin, "S 6B" A 06" "C 42"

I want to know the part numbers of the components marked as shown in the attached image.
Bang Duong's user avatar
0 votes
0 answers
46 views

Help identifying the component labeled IC1 [closed]

I have a problem with one power supply. It is a power supply for a pool cleaning robot, model 9995677, output 30VDC 220W, PCB number HGP-D6803.DB.PCB. The power supply was causing the fuse to blow ...
Lazr's user avatar
  • 11
2 votes
1 answer
98 views

Chip Identification - "+A0V" & "LBSS"

Would anyone know what the +A0V chip that looks like a BJT is. Measuring with a ruler the dimensions are approx. 1.5mm by 1mm. It is connected to this chip that I also don't know what it is, with ...
Cillantro's user avatar
  • 129
2 votes
1 answer
138 views

Chip Identification - TVS diodes

Can someone please confirm that these are bidirectional TVS diodes, I cannot find the datasheets for these anywhere, but they look to be them.
Cillantro's user avatar
  • 129
4 votes
1 answer
643 views

Need help identifying component with 'T4 G4' markings

I need help with identifying a Yaskawa Z1000 board component (T4 G4 markings on):
user388390's user avatar
2 votes
1 answer
120 views

Unknown SMD component - PCB Designation question

I have a board we are trying to repair. We are unable to get any technical documents from the manufacturer, no schematic or BOM for the board. This has multiple switches, think metal dome you press ...
user388256's user avatar
0 votes
1 answer
46 views

Please help me identify this IC - top marking "APKZ LS23"?

Please help me identify this IC - top marking "APKZ LS23"?
HNLinh's user avatar
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1 answer
50 views

Need help to identify an SSD Voltage regulator

I'm trying to get my data back from my dead SSD, I found a short on the voltage regulator that become very hot when putting the power but I can't identify the part and get the datasheet. Here is a a ...
Nicolas Twisty Pecou's user avatar
4 votes
1 answer
182 views

Chip identification, SOP-4, "HPTD"

Anyone know what this chip is? The dimensions are approx 4mm by 2.5mm. Also I believe one of the pins is connected to Vout of a voltage regulator. Could it be a voltage detector?
Cillantro's user avatar
  • 129
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0 answers
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please identify this 6 - pins smd with code DBXCLC [closed]

I can't find anything with mach a 6 pin smd chip marked DBXCLC. It shoud be a part of buck converter step down or dc to dc converter with 12Volt output (input 30 - 45 volt). I'm looking for a ...
Antonello Caraceni's user avatar
-1 votes
0 answers
52 views

Is EVERY time we power on the computer verified that nothing have been tampered via PUF CRP authentication? By which component? Where are CRPs stored? [closed]

Are PUFs used, EVERY time we power on the computer, to verify that nothing have been tampered (by using CRP authentication)? Which element performs this authentication? (bios, secureboot, I don't know)...
allexj's user avatar
  • 53
1 vote
0 answers
47 views

Identify SMD crystal marked EATC

Can everybody help me to identify crystal EATC such as picture below?
HNLinh's user avatar
  • 173
-1 votes
1 answer
52 views

SMD transistor identification [closed]

What is value of "HF" as written on an SMD transistor? I think it should be BJT or FET. It is very small and has 3 terminals. Please I honestly need to replace it.
Anietie Udoh's user avatar
1 vote
0 answers
44 views

Identification of 3 pin connector for the power supply of the TI silent Model 703/707 Data Terminal [closed]

I want to restore a TI Silent 700 model 703/707 that lacks the power supply. The power supply provides 20 VAC 35 VA with 3 pins ...
Jonas Stein's user avatar
1 vote
1 answer
65 views

Identify SOT23-6 smd marking code 169 324

This chip in electronic load DL24M, please help me identify it. pin 4 it's out and connected with pin 1 LM321 (on 4pcs lm321)
izadapter's user avatar
1 vote
3 answers
79 views

Identify SMD voltage regulator with top marking: BDCM

I've a circuit powered by a regulator IC. The regulator is a SMD one, with this code on its surface: BDCM The package SOT-23-6. Unfortunately, I do not find any information about the BDCM marking ...
user386170's user avatar
3 votes
1 answer
1k views

What is this component - 8 legged inductor?

I am having trouble identifying this component. Pretty sure it must be an inductor of some sorts but I have never seen an inductor before with 9 legs (8 of which are used). The 8 used legs have ...
wgthompson's user avatar
1 vote
1 answer
47 views

Identify Zener Diode with label of SF on an Antminer S21 hashboard

I have the following Zener Diode I need to replace, but I'm not sure how to identify it as there are 100s of diodes out there. The only marking I see is SF. How does one go about identifying this ...
Patoshi パトシ's user avatar
1 vote
1 answer
71 views

What is this component? (datasheet)

I can't find the datasheet online. The component is mounted in the circuit of a Bluetooth speaker
KaleM's user avatar
  • 473
1 vote
1 answer
45 views

Refine identification on this "tactile" switch

I'd like to identify this switch: After poking around on Digikey and comparing the measurements, I believe it's a Panasonic EVQ-P0N02B or EVQ-P0Q02Q. It does not have a GND terminal. The button width ...
SSilk's user avatar
  • 165
1 vote
1 answer
67 views

What type of connector is this, and how can one reliably detach and re-attach?

These connectors are from a vintage component audio system (Kenwood X-MB3, to be specific). Can someone help on how to reliably detach these from the base, and re-attach without any damage? The ...
Jay's user avatar
  • 11
3 votes
1 answer
104 views

Help identifying hollow spring / inverted header sockets

I'm trying to identify the following hollow sockets which are used to interface with a 0.1" pitched header: (source: US Digital PC5 Broadcom/Avago Compatible Incremental Encoder Cable Driver. ...
JorisL's user avatar
  • 33
2 votes
1 answer
55 views

Unknown SMD Component LP 27 L#

I'm trying to identify and find analog for the smd component on a PCB. The PCB is a an engine control unit from Mersedes W168. The unknown component is a 2-pin polar component in the red circle. The ...
iu-m's user avatar
  • 23
1 vote
1 answer
62 views

Help me to identify SMD diodes marked '1DN'

Help me to identify SMD diodes marked 1DN.
Ksm's user avatar
  • 31
1 vote
0 answers
62 views

What's this damaged 3-pin rectangular power connctor on a FLIR thermal camera?

I'm hoping this is a standard-ish connector but I have my doubts. It's the 12V power line that plugs into the battery or charging dock of a FLIR T335/T365. Measuring the undamaged part the overall ...
Chris H's user avatar
  • 2,803
11 votes
3 answers
2k views

Trying to determine what this small glass-enclosed item is

I need help identifying the small, glass-enclosed device shown below. Printed circuit board has DSA1 printed near it. A wider view of the PCB is also attached. The item I am asking about is in the ...
2002sheds's user avatar
  • 127
1 vote
1 answer
79 views

SOIC 8 pin Identification

It was burned due to reversed polarity, so part of code has been damaged. All remain is UTC WLT4 in the first row, and B*208G ...
keer's user avatar
  • 13
3 votes
2 answers
277 views

Identify component marked R3377 in a ZVR1 [Playstation VR MB]

can anyone help me to identify a component on playstation VR1 please? Looks like voltage reulator > Component = R3377 [what the numbers mean?] There is no picture on TV or VR headset. [only HDMI ...
Peter Mižo's user avatar
1 vote
1 answer
86 views

Help me identify this 4 pin IC

Can anyone help me identify the component circled in the picture below? The marking says 9c304.
yilko's user avatar
  • 21
0 votes
1 answer
81 views

8 pin SMPS controller chip

I have a 12v 10amp SMPS unit, the main controller ic was damaged and broke apart on removal - hence no markings retrievable. Is there any way to narrow down to possible matches of the controller chip ...
Sundeep Goel's user avatar
0 votes
0 answers
59 views

Help in identifying SMD SMPS driver chip

please help in identifying this chip (use in 12v 5a SMPS board for a driver LED)
Sundeep Goel's user avatar
2 votes
0 answers
70 views

What connector is this? (1.2 mm pitch pad array)

I have a mystery board which has 196 pads that are meant to connect to something. The pads are arranged in four staggered rows of 49 (4 × 49 = 196). The pitch is 1.20 mm exactly. I double-checked, it’...
Alex I's user avatar
  • 3,481
1 vote
1 answer
51 views

Identification of NiMH connector

What kind of connector is this? It's from a NiMH battery.
Sidewinder's user avatar
3 votes
1 answer
402 views

Identify an IC labeled LB21

What is this IC? Trying to find a datasheet for it. Best I can make out from markings is: LB 21 Package: SOT-89-3
Monesh Rathod's user avatar
2 votes
1 answer
145 views

Z253 and N1 marking on chips - identification

I have two chips that I don't really know what they could be. The chips with the Z253 marking are connected to a connector, micro and some other things; whereas the N1 marked chips are connected to an ...
Cillantro's user avatar
  • 129
0 votes
0 answers
55 views

I need to replace this triac, will you briefly guide me?

This is the component: G A BCR5PM 14L9403 The only that matters is this: BCR5PM? Any other consideration? Voltage rating? Amps? according to datasheet it supports upto 5 Amps Last but not least, ...
Panamanian's user avatar
1 vote
1 answer
60 views

Identifying SMD diode - markings ST e3 G (next line) DUK (next line) G3 635 (or b35)

I am trying to identify the following diode. I can see it says DUK G3 but am unsure on the last part, if it’s meant to be 63S or b35 or something like that. I’ve tried multiple Google searches and can’...
user1148760's user avatar
1 vote
1 answer
36 views

Identify and substitute f1404zs

I need help understanding which chip I need to buy. First, I hope this is the correct community; if not, I apologize. My intention is to repair a Mark Levinson 86280-0w690 audio amplifier, inside ...
user_0's user avatar
  • 113
0 votes
2 answers
72 views

Identification for L313 marking, 5 pins

Anyone have any idea what these two chips are? I believe they could be voltage regulators, but I am not too sure as I can't find the documentation anywhere. Both of them are connected to multiple ...
Cillantro's user avatar
  • 129
3 votes
2 answers
152 views

Help me identify an unknown 8 pin SMD component

I have this 8-pin component on a battery management board. I suspect it is a two-channel MOSFET. The battery charger input is spread over three pins on one side. The remaining pin on that side is ...
moshejay's user avatar
  • 145

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