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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Identification of ABLIC (Seiko Instruments) brand components

Lately I've been looking for components of the brand ABLIC (Seiko Instruments). On the following examples, i was only able to identify the brand. However I cannot find a methodology to find the ...
vivier's user avatar
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1 answer
87 views

Can anyone help to identify this component? I couldn't find any info

This is the image of the component and I couldn't find any info on the web with these numbers.
Angelina's user avatar
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How can I convert 1v-1.3v at 5a-6a from two solar cells in series and supply 5v out?

Each cell is supplying 0.5v-0.65v and about 5A and I intend on using two of them in series for 1v-1.3v and need 5v out. What ic(s) would be the best fit for this application?
Zachery's user avatar
-1 votes
0 answers
35 views

Has anyone dealt with HongKong Esaler Electronics before [closed]

I'm not sure if this company is legit, they also go by Elecsaler and is part of diptrace's supplier list. The emails I'm getting back from them are from HongKong Esaler Electronics Co and also HONG ...
joe blogs's user avatar
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0 answers
56 views

What do these capacitor markings mean?

I think the two cans in the two photos below are aluminum electrolytic capacitors (the top photo is much more zoomed in, but the capacitors are about the same physical size), probably from the same ...
bobuhito's user avatar
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2 answers
83 views

How do you size a resistor when the current and voltage flowing through it are impulsive?

Given a 33 Ω resistor, I need to size the power it can handle. The resistor is in series between a pin where a SPWM voltage is applied and the gate of an IGBT. In the following photo: blue is the ...
matteo morawski's user avatar
6 votes
3 answers
1k views

What is the most common electronics IC package material?

I'm trying to make a thermal simulation of a PCB, and one of the parameters I have to put in the simulation software is the component package material. For most standard ICs as far as I know, it's ...
Alber's user avatar
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1 vote
3 answers
144 views

Finding alternate IC for 74HC245D

I have built a PCB using IC 74HC245D for levelshifting 3.3v signal to 5v signal for RGB LEDs. But by mistake, I used TSSOP-20 footprint in my PCB, and while ordering parts I ordered a SOIC package so ...
Dharmik's user avatar
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2 votes
3 answers
222 views

BJT Differential Amplifier problem

I have tried to reproduce and understand the BJT differential amplifier, and unfourtunetely I have encountered some issues. The circuit is from Art of Electronics, 3rd edition. First, my question is ...
David Ab's user avatar
3 votes
1 answer
88 views

Repairing a receiver sub-power supply and need to identify a TO-252 component for replacement (1510B T3330 T237)

I have a receiver that, when trying to turn on, would shut off immediately. Using a hair dryer allowed the receiver to turn on. After a bit of troubleshooting, I found some questionable solder ...
bruceh10139's user avatar
0 votes
1 answer
51 views

How can I identify this component on a PLC board that has gone bad?

How can I identify this component on a PLC board that has gone bad? Surface mount, unidirectional, G is the designator, 060 (090?) It measures as an open circuit with a multimeter on a bad board and ...
Erv's user avatar
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2 votes
1 answer
102 views

What is the difference between SN74HCxxN and SN74HCxxAN parts?

I'm trying to compare between two different parts on Digikey: the SN74HC148N and the SN74HC148AN. Both pages link to the same datasheet, which does not list anything to do with an AN suffix. What is ...
ddulaney's user avatar
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1 answer
50 views

Interpreting the markings on transistors - convention to differentiate/identify part numbers vs manufacturing details vs. other data?

General line of questioning: When looking at transistor, are there any standards/conventions of how they are labeled? Is it manufacturer specific - and if so, how would I identify that mfr's ...
JCReardon's user avatar
0 votes
1 answer
60 views

What is a color bars vector diagram?

I'm reading the datasheet of the "AT7456E". This component is an OSD (so-called "on screen display") used on the flight controller of my drone project. In the datasheet there was ...
dontoronto's user avatar
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0 answers
59 views

Need help identifying this component!

I am working on a reverse engineering project of a pressure gage sensor, and none of us seem to be able to identify this component. There are 3 traces to it on the pcb, center is ground and the poles ...
Jessica Silvers's user avatar
-1 votes
1 answer
89 views

What are the components inside ADC and DAC? [closed]

My question is this: What are the components inside ADC and DAC? Is there only transistors/logical gates and is there difference between like analog audio to digital audio ADC or other types of ADC ...
NearEternal's user avatar
3 votes
0 answers
138 views

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 ...
Emm386's user avatar
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2 votes
1 answer
56 views

Found a component written 'RCs' on the package. What is this component?

While I was tearing down a broken sampling scope in the lab, I found two of 'RCs' components in the sampling scope head module. I tried to look up the information about this component, but couldn't ...
Emm386's user avatar
  • 577
1 vote
1 answer
68 views

Identifying an SMD component

It is related to the USB bus voltage in a Delta HMI that has been damaged. Is this a 2.4 V Zener diode? This component is marked with the letter D311 on the PCB.
Ashkan Khajeh's user avatar
0 votes
1 answer
79 views

Need help in choosing parts for a pcb [closed]

I am trying to get a PCB fabricated and assembled from PCBWay for a project, but I have little experience with electronic components. The project schematics don't have specifications for some of the ...
Parham's user avatar
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1 vote
1 answer
57 views

Help with CR8F103K3 chip identification and datasheet

Recently I purchased a very cheap Chinese 10A 12/24v PWM solar charge controller to experiment with. From what I understand the PCB inside these devices are changing often and I've included more ...
Jonas's user avatar
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1 vote
1 answer
83 views

I need some help to identify this component

I require assistance in locating this component, which bears the designation EK 67, as evident in the accompanying image. The challenge lies in my inability to procure its datasheet, thereby impeding ...
EEIR's user avatar
  • 46
0 votes
1 answer
26 views

Altium Placement Button Unaccessible

I'm trying to place a component in Altium from the Manufactur Part Search panel to my schematic, however the place button is greyed out. I can't place my chosen component, or any of its alternatives. ...
Berry Cherolds's user avatar
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0 answers
74 views

Replacement IC for SGM2212 LDO Regulator

I'm looking for a suitable replacement IC for the SGM2212-3.3XKC3G/TR found in this schematic. I've found this, which seems to be very similar and suitable for this application, but I'd like if ...
SurrealCereal's user avatar
2 votes
1 answer
218 views

What the components connects data lines to ground?

I need to figure out what was the tiny components was connecting data lines to ground on board of a tablet. Trying to attempt replacing Micro USB port on Amazon Fire HD 8 7'th generation (2017), I ...
Valeriy Kit's user avatar
1 vote
1 answer
36 views

Standard Thick Film Chip Resistor datasheets not mentioning storage temperature

I am looking for alternatives for a 120ohm 5% 1206 standard thick film chip resistor. I have noticed some MFRs (KOA speer, Vishay, Bourns) do not always detail the storage temperature in their ...
313Ctron's user avatar
0 votes
1 answer
42 views

3Ch Zigbee Switch Module

I’ve recently bought and installed this switch module. However, I don’t understand how closing the switch between the COM terminal and the S1 Wire closes the circuit between the live and L1. What ...
Mohamed Shereef's user avatar
-2 votes
1 answer
138 views

Help to identify these components

I need help to identify this component.
EEIR's user avatar
  • 46
8 votes
3 answers
2k views

Cannot find what the PCB reference designator "CE" refers to

I'm trying to figure out what parts are being used on a board. There are various PCB reference designators that are stumping me and I'm having trouble figuring out what the components are. In this ...
markhyphen's user avatar
1 vote
1 answer
41 views

Help to identify this electronic component

Part of a driver board I have the following big black component(with WE brand): I googled the numbers on it and couldn't find anything related. What could be this component?
GNZ's user avatar
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1 vote
0 answers
36 views

What is this long rectangle component from a Dyson BMS?

I found this long rectangle component marked "CD 18-19" on a Dyson BMS. I am wondering what it is, but didn't find any info online, and my component tester did not recognise it. Here is a ...
Nico's user avatar
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0 votes
1 answer
69 views

Can you help me identify this component?

I don't know what is this B104D and what it does.
A.taheri's user avatar
0 votes
0 answers
58 views

Need to identify component

I need to identify this component labeled TX08039 1119 on a pool pilot dig-220 power board 12042R2 in order to replace and repair chlorine generator for my pool, please. Pics of replacement board
rvaughn's user avatar
0 votes
1 answer
70 views

What components can be used as an alternative to vibration motors?

I am building a project that will vibrate at certain times. The item being vibrated is 300-700 grams (still working out the material). It needs to be a noticable vibration (like a phone vibration), ...
Jonesome Reinstate Monica's user avatar
0 votes
1 answer
41 views

Water flow sensor stays on until tapped [closed]

I'm using a hall effect rotor sensor to control power to a UV purifier connected to the outflow from a reverse osmosis undersink tank system, connected to the inflow of the UV purifier chamber. (https:...
Sian Mink's user avatar
1 vote
1 answer
111 views

Searching for a replacement part for an SSD repair

I broke my SSD after applying 28 V and I have to change the component by the red arrows in the picture. The component is marked "FNC1B" and it is QFN10 package. It should be a MOSFET or an ...
123 456's user avatar
  • 25
1 vote
1 answer
165 views

SSD with Phison PS3111 controller repairing [closed]

I broke my SSD after applying 28 V and I am trying to repair it. But need a description of a component that is marked red in the image. I guess it is a fuse or something like that. Could anybody ...
123 456's user avatar
  • 25
1 vote
1 answer
130 views

Identify Specific PCB Component

I have identified and tested all the components on this board apart from one. Can someone identify the component please? I believe it may be faulty as all the other components seem to test ok.
Reafidy's user avatar
  • 129
0 votes
1 answer
65 views

I Need help to find what smd component is this?

This component is found on an electronic board of a Siemens Simatic S7-400 device. The printed nomenclature on the electronic board reads '6C F
EEIR's user avatar
  • 46
0 votes
1 answer
105 views

What is the rotatable switch used in smartwatches called?

Some smartwatches such as an apple watch and Samsung Gear use a rotatable switch for navigation that make a clicking sound when turned. The companies call it "crown" (some details - pdf). I'...
44yu5h's user avatar
  • 498
7 votes
6 answers
1k views

Equivalence between diode and transistor

In The Art of Electronics by Horowitz-Hill, 3rd edition, in Figure 2.71, the following equivalence is shown: simulate this circuit – Schematic created using CircuitLab With that connection, the ...
BowPark's user avatar
  • 728
0 votes
2 answers
63 views

Can a vertical multiwatt package be bent to lie horizontal after it is installed?

I am working on a project with a multiwatt package audio amplifier IC. Can this component be bent over to lie horizontal, flush with the PCB, after it is soldered into place?
Emmett Palaima's user avatar
4 votes
1 answer
212 views

Correct orientation of EMI filter

The label of this EMI filter seems reversed to me because in the diagram there are three pins on the side of the line but the are two wires on that side of the device. Is there a way to determine the ...
stenio's user avatar
  • 319
0 votes
1 answer
88 views

Looking for a component that accepts a broad range of discrete values (e.g. 0 to 50 VDC) and outputs a LOGIC HIGH; otherwise output is LOGIC LOW [closed]

I am looking for a component that will accept multiple discrete values ranging from 0 to 50 VDC, but it doesn't have to be 50 VDC. I am looking for a broad range. This range could be 0 to 30 VDC or 0 ...
kcr2d2's user avatar
  • 3
0 votes
2 answers
29 views

Reason for VM Pin in S-882Z Series Charge Pump?

I was wondering if anyone has any idea why this S-882Z Series charge pump uses a VM (voltage monitor) pin instead of the Vout pin that most charge pumps use? And in general, why is the pinout so ...
jocadomi's user avatar
4 votes
1 answer
982 views

What’s this yellow rectangular part with a coil, found in a flatscreen TV?

I came across this part while taking apart an old flatscreen TV that no longer works. In the middle behind the yellow tape there seems to be a copper coil. I’m guessing it might be an inductor, but ...
Coconut's user avatar
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0 votes
3 answers
93 views

Identifying an electronic component

I'm trying to repair an old stereo and I'm fairly sure I blew one of the components. I've never seen one of these before, and after research here and there I can't identify what it is - it's this cap ...
Philippe's user avatar
  • 103
3 votes
2 answers
117 views

Does TI or someone provide the component libraries for free for KiCad?

I am designing a circuit and PCB using KiCad. I would like to know whether TI or someone provides component libraries for free for Kicad or not.
Bill Lin's user avatar
0 votes
1 answer
38 views

Connecting more than one device to a SMPS or battery or DC supply

Thank you for thinking to answer my question. First of all what I have. SMPS, (output 24 V 2.5 A) Four devices which requires 24 V 1-2.5 A as input to operate. Note: current drawn from each device ...
New to world of electrons.'s user avatar
1 vote
1 answer
109 views

Need help finding specs for RV1 & RV2 varistors on fried board [closed]

Power surge blew 6 appliances and am hoping I can repair some of the boards. I cannot identify blow varistors in RV1 & RV2 positions on Saeco IG 1.9.168.00_V04 board. Any help would be appreciated!...
Brennan Lasalle's user avatar

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