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.

Filter by
Sorted by
Tagged with
6
votes
4answers
664 views

Why are there so many grounds?

A bit of context: I'm working on a smart tracker watch for an 8 year old. A hobby project, and I'm looking for parts to use. Anyways, that's not what I'm confused by. This is my first project, so ...
1
vote
0answers
50 views

Help identifying a specific pcb component [closed]

I have a component on a circuit board that has been physically damaged and I am having a difficult time identifying a replacement. I am a little out of my depth with what to look for, and with so ...
0
votes
0answers
27 views

Different markings, same thermistors?

I have three thermistors marked as follows: SCK 053 (dark green); NTC 5D-9 (black); DSC 5D-9...
-1
votes
1answer
75 views

am looking for this diy part to add with my project [closed]

am trying to build a custom rat trap and looking for this part in video. Am looking for this part just don't know the name for it, please take a look at the youtube video with the time provided and Se ...
1
vote
1answer
518 views

What is this component on electric water-pump controller?

This is an electric water-pump controller There is a component that I don't know what it is. it's marked as "RD". look: In your opinion What would it be?
2
votes
2answers
318 views

Help me find a component based on its label

I have an SMD component containing two pads. There is a label on the surface of the component: 200A in one row and 06A in second row. I suppose the component is a diode but I don't know what kind and ...
3
votes
5answers
7k views

Altium - Cannot Select/highlight components on PCB

this issue arises out of no where periodically. Very frustrated!! Suddenly I am unable to select any component on the PCB board in order to move it/right-click (the grey box doesn't appear). I have ...
0
votes
2answers
59 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
1
vote
1answer
267 views

Tips for designing 4 pad feedthrough capacitor in Altium Designer

I'm doing a PCB design in Altium Designer where I would like to include a feedthrough capacitor from Murata (MPN: NFM18CC101R1C3D). This is a special type of capacitor with 4 physical terminals where ...
0
votes
1answer
117 views

TPS54383 switching regulator components.

I'm trying to build a switching regulator using the TPS54383 dual output regulator, Now I've got most of the components and schematic figured out here. pdf Except the inductor's and diode; I'm ...
1
vote
1answer
97 views

Can anybody identify this SiTel IC

I am trying to identify an IC in order to repair a circuit board. Here is a photo of the IC in question: For reference, the markings on it are: ...
7
votes
1answer
217 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 ...
0
votes
1answer
80 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 ...
0
votes
1answer
41 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 ...
3
votes
3answers
23k views

What are the terminals in this 6 pin potentiometer?

I want to use my 6 pin potentiometer in circuits so I want to know what all the terminals are for. I know the basic principle in the 3 pin pot. I'm completely new so please answer it in simple terms. ...
0
votes
0answers
56 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
0
votes
0answers
61 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 ...
1
vote
1answer
308 views

Troubleshooting malfunctioning H bridge

I am trying to repair a broken toy car (a Bee-bot to be exact). Each of it's two motors controlled by H bridges. One of the motors runs correctly both forward and reverse. The other motor runs only ...
0
votes
0answers
68 views

Need help identifying two and three terminal SMD components

There are two kinds of components which I need to know about:
5
votes
4answers
3k views

Which diode to use on my RC switch debounce circuit?

I am choosing parts to build an analog RC switch debounce circuit. I plan to implement the circuit described here: http://www.ganssle.com/debouncing-pt2.htm (see "An RC Debouncer"). (source: ganssle....
0
votes
3answers
115 views

What is the very basic electronic component to generate pulse wave (high or low) we commonly see in digital?

Very common we hear ON/OFF, HIGH/LOW, 1/0, or something similar in digital system. It is called binary. I would like to know what is the very basic component to generate such that binary system? I ...
2
votes
1answer
104 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....
0
votes
2answers
92 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 ...
1
vote
1answer
6k views

JL (or maybe something else) misterious branded IC's [closed]

Edit 12/31/2019: Thanks to Mariano Dupont: Found it: Zhuhai Jieli Technology zh-jieli.com Take a look at this example of an IC found on a circuit board: Brand is found on many PCB's of Chinese/...
0
votes
1answer
44 views

What is the smallest component to send HTTP requests on the Internet? [closed]

I want to build a GPS tracker to put on my bike and I would like to use the smallest components to do it. The idea is to send the GPS coordinates to an HTTP server every minutes. The problem is all ...
0
votes
1answer
52 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 ...
4
votes
2answers
188 views

Component Identification AHC373

I'm trying to pin down this component Googling has got me to these two but I can't work out the difference or if they match. SN74AHC373DW SN74AHC373DWR Really appreciate some help IDing it. Thanks
0
votes
0answers
25 views
0
votes
3answers
142 views

Identify components on computer motherboard - cylindrical and cube shapes

I'd like to know what components are the ones with blue numbers and the big ones behind them: The latter components I'm talking about:
0
votes
3answers
92 views

How to classify power electronics components in 2 main groups?

I'm working on preparing a course about power electronics, and with my basic search conclusions. I thought that if it's possible or acceptable to classify the power electronics components in 2 main ...
1
vote
0answers
118 views

Help identifying the resistor

Can someone help me with identifying this component please? I was initially under the impression that it is a resistor but when I look at the back, it looks like a resistor with a dab of solder in ...
-2
votes
2answers
70 views

What are the components of this sensor? [closed]

Attached is a schematic that looks like an accelerator or a combo sensor with plenty of inputs/output. Can you please assist in helping point out the pull up resistors, voltage regulator, and any ...
0
votes
1answer
124 views

components used to make a butterworth filter

I doing some amateur radio experimentation and want to create a bandpass filter. I believe that a Butterworth filter would be good because it has a flat frequency response in the pass band. My center ...
0
votes
0answers
17 views

uniform, bimodal and skewed distribution functions in pspice

As you probably know, for statistical analysis in pspice there are four distribution functions: uniform, bimodal, skewed and gaussian distribution functions. For typical parts such as resistors and ...
0
votes
0answers
18 views

Reference specification for JEDEC/Proelectron/JIS discretes?

Is there a reference specification for all the standard JEDEC/ProElectron/JIS diodes and transistors available somewhere? The BAT54 diode for example is presumably a Proelectron specified part. Every ...
5
votes
4answers
689 views

How to find a DIP component implementing this simple logic?

I need to implement this logic in a very simple circuit. It will be perfect if I can use a single component in a DIP package, implementing the logic. How can I find one?
0
votes
1answer
65 views

Trying to ID a failed component, almost looks like it was a halogen style bulb

I am trying to see if anyone can help me identify a component on a PCB. This device took a voltage spike on its AC line from a lightning strike on our home, and the unit is no longer working. The ...
2
votes
1answer
79 views

What electric component is this? (its on an old electric organ)

I'm trying to find out what this is and where I can buy one. To me, this looks like a capacitor, but I'm no expert. After using a multimeter, this seems to be the cause for the organ not turning on. (...
2
votes
2answers
660 views

PCB component with abbreviation SR1

I have a laptop battery pack with a fried component (visually fried) that has the appearance of a large surface mount resistor (only 2 connectors). It has the PCB abbreviation next to it of "SR1" ...
4
votes
3answers
2k views

Replacements for a 4006 IC?

Im building a Nintendo 64 to PC adapter as outlined in this guide. It calls for two 4006 ICs. RadioShack did not have this type, but I was told the following two would work: LM339 or a LM324. Will ...
0
votes
1answer
50 views

Sourcing oddball stacked USB-A connector

I'm looking for an oddball stacked USB connector to repair a piece of equipment. I can't use the standard form factor, because it won't fit into the enclosure properly. I've gone through mouser and ...
1
vote
1answer
89 views

Unknown component on PCB - rectangular, white, 4 terminals, marked 3215

I found a component, which I couldn't recognize, on a printed circuit board. Does anyone know this kind of component? Edited :The unknown components are the white squared ones. There are many of ...
0
votes
1answer
28 views

Replacing momentary button/switch on monitor control panel

There is a button that toggle inputs on my monitor and the very thin top dome/bubble came off and not I can't really press it to work, though if I use a flat head screwdriver (the diameter of the ...
3
votes
1answer
266 views

Part identification: 4 pins, 2 marked with squiggles, one each marked with + and -

This component has 4 legs. I don't know what it is, 2 of them go to VCC and GND, the rest of them I don't know. What is this thing?
3
votes
1answer
123 views

Need help identifying pcb component

I was trying to repair the main board of a monitor (Samsung S27B750V), and after a few hours I did something I shouldn’t have, and blew this component. I have tried to search for this but I am unable ...
3
votes
2answers
942 views

Fake TL072/TL074 IC's - how does the economics of it work?

I've reached the conclusion that all my TL072's and TL074's bought via AliExpress from China are fakes. Both SMD and THT versions. Most likely they are LM324 or similar. The particular problem I've ...
1
vote
1answer
126 views

Alternatives to Jumpers?

I have a need to be able to connect a lead on a circuit to 1 of 5 different other leads. I think it’s obvious how I can accomplish this with jumpers or DIP switches or encoders. The wrinkle here is ...
2
votes
1answer
44 views

Why do PCI Express riser/adapter cards have electrical components?

I'm looking to make a custom PCI Express right angle adapter because the ones on the market don't work with my space constraints. Now, because it's basically an extension cable, I'd imagine it should ...
0
votes
1answer
119 views

Temperature Controlled LED

Being able to thermally stabilize an LED is useful for any sort of high accuracy sensing application. I was looking for an LED module that would incorporate a thermistor and something to adjust the ...
2
votes
0answers
99 views

How to sell excess electronic components for highest price with least effort [closed]

This question relates to Electrical Engineering with respect to the management of spare electronics parts after a production build of circuit boards. This question is specifically not being asked on ...