Questions tagged [components]

Components are the most basic elements in an electronic circuit. Characteristic is that they're in a single package. There are passive and active components, from as simple as a zero-ohm resistor to as complex as a multi-billion transistor IC.

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Please help identify this component 1.6 x 2.9 mm 6 pin SMD, SOT26 package

I am having no luck identifying this SMD. I tried all my usual reference tricks but still no success. This is the whole board. The red arrow bottom center points to the component in question. I am ...
De P's user avatar
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0 answers
30 views

How to replace voltage source with other component to get constant voltage of 3.5v

Anyone knows how to replace the voltage source in the circuit but still get the same waveform?My intention is to get the green waveform, but replacing 3.5V voltage source with other components. I ...
User691's user avatar
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0 votes
1 answer
52 views

Identify a component labeled "RU" inside a Canon Vixia HG20 LCD display

I found this component inside a Canon Vixia HG20 LCD PCB: This seems to be an opaque lens of some kind, so my first thought is that this could be an IR sender/receiver. Since there are 4 terminals, ...
tfm's user avatar
  • 439
1 vote
1 answer
73 views

I need to identify this component - flat, grey, 4 terminals, 8.9 x 5.6 x 2.5mm

I need to identify the component in the picture. In the circuit it is between the GND that arrives at the PCB and the GND that goes to the components, while the other side is between the VCC that ...
GustavoSBelote's user avatar
1 vote
1 answer
94 views

Identifying the electrical components in an LC resonant inductive coupling circuit [closed]

I am trying to identify the electronic components of this circuit. I am very new to this, obviously.
cdnb1's user avatar
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0 votes
1 answer
94 views

Component identification - what are these two blue blobs

What are these two handsome brothers? In case you can't see them properly, they are polar components, both marked with "+2,2" and "+25V" tags.
DrD's user avatar
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1 answer
29 views

How to center two pads in Altium?

How to center two pads in Altium? I usually drag the component pads to perfectly center it but is there any better way to do this; any shortcut?
Monesh Rathod's user avatar
1 vote
1 answer
52 views

I need to identify a component package and, if possible, the component

I need to know haw the package and/or the component of the picture. It is between the VCC supply voltage and the voltage that goes to the rest of the circuit. Apparently it does not behave like a ...
GustavoSBelote's user avatar
1 vote
1 answer
59 views

Identify IC with marking '119 16wwUJG'

I have an HUB 3.0 PCB from a Monitor. The Monitor is OK, but the HUB 3.0 PCB doesn´t work. Could you help me identify the two ICs U23 and U25?
Chipyto's user avatar
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2 votes
1 answer
425 views

What is this part marked WH5 33?

What is this part and what is its part number? I can't find a part with the code WH5 33.
Ahmad Abd El Maksoud's user avatar
0 votes
1 answer
58 views

LCD PCB component identification, SOT-23-5, "DK-NON"

I have a question about an SMD component that blew up on my microscope's LCD PCB. It has 5 pins (2 on one side and 3 on the other), the lettering on the back says DK-NON. enter image description here ...
Warlock1663's user avatar
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0 answers
37 views

Replacing MAX485ESA IC into a RS485 module but not working

I have been struggling a lot with a MAX485ESA IC I bought from aliexpress. What I want to do is replace the component from a rs485 module. For some reason they don´t work and I was wondering if anyone ...
user2808169's user avatar
-1 votes
0 answers
38 views

Question about a jack part and how to wire it in Altium?

I am trying to understand these part labels, "tip", "sleeve" and "ring." I want to route one pin to ground in Altium and the one pin for the left audio and another pin ...
Electrolyte's user avatar
5 votes
2 answers
142 views

Is Vgs a concern when using a high-side FET driver?

I would like to use the MIC5014 to drive an N-channel MOSFET as a high-side switch. My supply voltage in this system is 24 V. I understand that the MIC5014/MIC5015 uses an internal charge-pump to ...
BonsaiOak's user avatar
  • 173
-2 votes
2 answers
104 views

What is this component that looks like a resistor? [closed]

I'm attempting to repair the power amplifier PCB for a Laney Session 40 Reverb guitar amplifier. I think this component is a resistor, but I have never seen one like this before.
A. Davidson's user avatar
0 votes
2 answers
101 views

What part of a TV is on during standby mode that makes the small noise inside the box?

I'm intrigued by the old debate about stand by mode vs switching off for longevity. It would appear that stand by mode wins out, but there is still electricity generated consumed so something must be ...
Ryo's user avatar
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0 votes
1 answer
82 views

What kind of switch is this surface mount component with no actuator?

One way I am learning about electronics is to try to analyze the function of random small circuit boards that I come across. I found a device with a component labeled SW2, so likely it’s a switch. ...
Travelling Man's user avatar
0 votes
1 answer
72 views

Bipolar Junction Transistor operating modes

If I use a BJT transistor as a switch, the transistor operates in the saturation or cut-off region, not in the active region. However, some sources use the formula IC = β·IB. However, this formula is ...
Serkan Kaya's user avatar
1 vote
1 answer
50 views

6-pin SMD identification on BMS smart controller

Can anyone help me identify the component in the attached picture? I've never seen a similar package.
salvatore cirasa's user avatar
0 votes
1 answer
76 views

What's this electrical component symbol on a motor control circuit?

learning schematics (europe) what is this component called, why is it there and why is it connected to U? Motor can go reverse as well if that's relevant.
llVIU's user avatar
  • 1
-1 votes
3 answers
103 views

What is this device RV1 that looks like antiparallel diodes across the input of a bridge rectifier?

This is the initial part part of a 10 V power supply circuit from a 1970s (or perhaps early 1980s) chain printer. What is RV1 and what does it do?
cjs's user avatar
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1 vote
2 answers
79 views

help to identify the component

I don't understand what component it is (0k=g9w), and it needs to be replaced. I've done various searches, but I can't figure it out. This is a motherboard from an Asus computer.
Jhon M.'s user avatar
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0 votes
3 answers
96 views

Puzzling 'conductor' in a bathroom scale [duplicate]

Hoping to scavenge the LCD from an old bathroom scale for another project, I took it apart. There were four sensors -- one in each 'foot' of the scale -- all wired to a small circuit board whose back ...
John's user avatar
  • 259
3 votes
5 answers
623 views

What does (DW) mean in the TI equivalent of SOIC (16) package?

TI datasheet says: SOIC-16 Wide Body (DW) and Extra-Wide Body (DWW) Package Options It doesn't mention what DW stands for. I am annoyed when manufacturers come up with their own naming conventions ...
Dynamic_equilibrium's user avatar
9 votes
4 answers
3k views

Why do manufacturers label differently seemingly identical components?

I am not sure if this is the relevant place to ask this (I think it is.) I am still relatively new to the electronic design world, but I notice that a series of parts (example - Torex XCLxxx) can ...
Yordan Aleksandrov's user avatar
0 votes
1 answer
72 views

Small Speaker with High dB. Loud enough?

I need a compact speaker suitable for a 16mm diameter tubular enclosure. The speaker must be capable of playing voice audio clips with sufficient clarity and volume to be easily hearable and ...
exile97's user avatar
  • 289
0 votes
0 answers
32 views

Altium 22 or above - copying part parameters from supplier information into part for easier part creation

I have some parts that show up in altium 22 or above (using 24), but if the footprint and other information isn't there, it needs to be created. (NOTE: if you right click on the supplier there is no ...
Voltage Spike's user avatar
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4 votes
4 answers
1k views

I2C to 100+ PWM

I'm currently looking for some sort of interface which can generate many (up to 100 potentially) individual PWM outputs. I figure I2C is the best way to go about this, but I'm open to other ...
Davis Last's user avatar
0 votes
1 answer
124 views

Identify SOT-23-5 component marked 8311 J1A9

I'm working on a circuit, and I can't find information on the component shown in the picture: Close-up Surrounding circuit The component package is an SOT-23-5. It is marked "8311 J1A9." ...
Nikhil Mp's user avatar
1 vote
1 answer
85 views

230 V AC motor not running

I have a 230 V shaded pole motor of a dehumidifier that does not work anymore. The motor makes absolutely no noise when connected to 230 V. The rotor spins smoothly, there is not much dirt in it. That ...
nicodielec's user avatar
0 votes
1 answer
85 views

Finding datasheets for relatively new looking components but nothing appears from search

Some context: I acquired some RF components from the family of an old RF tech that passed. I am currently adding the parts and datasheets to my inventory but for the following parts I was unable to ...
Pxl's user avatar
  • 357
0 votes
0 answers
52 views

BLDC motor driver identification

I have one mystery fuser motor assembly from a HP color LaserJet 9500MFP laser copy machine. I would like to use the BLDC motor in my own project and control it with an Arduino, but I cannot find any ...
Tomas Antola's user avatar
0 votes
2 answers
72 views

Identify Components in Oven

I am disassemblying an oven to make a reflow oven out of it. I need help identifying two components. The simplified schematic of the system is as follows: Component 1 (picture below) is marked as ...
mlx11's user avatar
  • 160
1 vote
2 answers
150 views

Mistakes to avoid while designing PCBs

I am an electronics hobbyist. I recently designed and ordered PCBs (using KiCad) but I failed twice. I designed amplifier circuits but something or the other went wrong each time. The problems I ...
Harshit Bujar Baruah's user avatar
0 votes
3 answers
99 views

What is this bullet-shaped part in dehydrator?

I am trying to figure out why my dehydrator stops heating after random amounts of time. My assumption is, that it is somehow related to this bullet-shaped part with a green tip, which connects the ...
Florg's user avatar
  • 3
1 vote
2 answers
163 views

Identify SMD component on USB hub

I have a USB 3.0 hub, Amazon Basics, and I need to identify this SMD component. I take a photo, it is mark B135H with some special characters like you see on image. Please, could you tell me which ...
Chipyto's user avatar
  • 21
1 vote
1 answer
158 views

What is this part from an LCD monitor power supply?

A Samsung monitor (S32D850T) has this axial glass component on the power supply PCB. It was identified with a reference designator of “SA” and represented with a schematic icon on the back of the PCB ...
Phillip Remaker's user avatar
1 vote
2 answers
81 views

Help identifying a component from a barcode scanner

I have a broken Honeywell model 1902 barcode scanner that I want to repair. It is the component labelled "6409" as shown in the photo: .
Rodney Julius's user avatar
2 votes
0 answers
32 views

Looking for a solution to tape and reeling 01005 components

Current tape and reel causes 01005 size components to move around. How can I have them packaged so they can retain their original orientation? I've spoken to many reeling houses, any feedback is ...
savas's user avatar
  • 21
4 votes
2 answers
166 views

Antique Component Identification

Can anyone identify the component in the photos?
JTMK711's user avatar
  • 67
6 votes
1 answer
279 views

SOT-23 3.3V voltage regulator identification

I am looking for an assistance to identify an electronic component used in wireless 2.4GHz wireless keyboard for Android TV box. The component is in SOT-23 package and perhaps 3.3V voltage regulator ...
Polar Bear's user avatar
3 votes
1 answer
307 views

Unknown component identification (SMD Marking L43)

What is this component? I need to replace it. How to get replacement.?
Hari Nandan's user avatar
1 vote
0 answers
64 views

Component identification from ATV regulator/rectifier

I'm trying to identify this component from an ATV regulator. It looks like a semi controlled rectifier? I am trying to look up the datasheet.
Geo Pojar's user avatar
1 vote
1 answer
41 views

Sourcing an alternative strain relief adapter [closed]

I'm doing a simple modification of my old Sony sound system. It came with no earth wire and I wish to replace the cable and connect the earth to the metal chassis of the stereo. My issue is that the ...
aghsmith's user avatar
  • 111
0 votes
0 answers
42 views

Help identify element on circuit board

I have such board. It's a brightness regulator for lamp sourced from 220v. I circled placement for this element. It looks like a simple resistor but I'm not sure.
Dmytro Filipenko's user avatar
3 votes
0 answers
83 views

Help with component identification

The component (IC206) is on the mainboard BN94-13095E of a Samsung TV model UN43J5290AG.
Kaius Cesar's user avatar
0 votes
1 answer
75 views

How to find a pin compatible IC?

Do we have any website or service where we can mention our IC part number and get alternative pin-compatible part numbers? Right now what I do it all manually, go to mouser/digikey like portals ...
Pallav Aggarwal's user avatar
2 votes
6 answers
161 views

How do I communicate between a rotary and stationary part? (on a hobbyist level)

I'm trying to get into PCB design and I'm very new to all of this. I tried doing some research myself but couldn't find anything practical as it'd be too large/expensive. The thing I'm trying to make ...
NoobKing767's user avatar
0 votes
1 answer
74 views

Need help in identifying SMA package component

I have a problem with identifying a certain element in the SMA housing, which in my opinion has a marking that is inconsistent with what is given in the datasheet (the datasheet which I selected based ...
Karlsson's user avatar
  • 113
0 votes
0 answers
46 views

Small Fuse for 600VDC with 6kA interrupt current

I'm looking for a 0.1A - 1A Fuse for a 600VDC system with an interrupt current rating of at least 6kA. I found some fuses like the TC-632414, which would fulfil the criteria, but they are quite big. ...
Felix Kunz's user avatar

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