Questions tagged [pcb-assembly]
The process of mounting electronic components onto a printed circuit board. This can be done manually with a soldering iron, or automatically using a "Pick and Place" machine.
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Importance of copper balance when dealing with small components (0402, 0201)
I usually work with big components (0805, 0603.) Now I'm trying to make a board that would use much smaller packages such as 0402 and 0201.
I know that balancing copper is relatively important to ...
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Why are some components missing areas of pour near mounting holes?
Circled in red are component through holes in a copper pour plane that are missing areas / don't have the copper poured completely around the via. Seen on tons of components both through hole and ...
user298907
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Trying to ID small barrel component for replacement repair
I am trying to find a replacement part that goes on a PCB of an LED C size battery-driven hanging lantern light. One of the two leads of the small barrel shaped component corroded and broke off near ...
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Can 5mm UV LEDs cure solder mask?
Is it possible to cure solder mask using about 32 5mm UV LEDs spread evenly above a PCB (10x15 cm). If yes, since they are weak, what would the cure time be?
I want to make my own PCB mill and I want ...
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How to connect a removable multipolar signal flat cable to PCB
Wich is the best and easy way to connect this kind of cable to a PCB in a manner that it can be attached or removed to and from the PCB?
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Identical component on both sides of PCB with vias in ground pad
I have a dual analog output PCBA that I am routing. The analog output component selected is two TI DAC7750IRHAR DACs.
These DACs are controlled via SPI lines. I had originally intended to place both ...
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Soldering 2-Wire DC Motor directly to PCB
I'm making a PCB that's required to be pretty compact. In order to reduce overall size, I need to keep a 2-wire DC motor as close to a PCB as possible.
It has standard tabs on the back, typically for ...
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What files do you need for PCBA?
Just a quick one.
It seems that for PCB manufacture, the industry-standard way to specify what you want is so-called “Gerber files”.
If you want PCB assembly as well (i.e., loading components onto the ...
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Putting caps, resistors, etc on back side of board
Assuming I am ok with the extra cost of having parts assembled on the backside of my PCB, does it make sense to basically place all the main parts on the top side and then strategically place all the ...
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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.
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How to add 2 or 3 parallel Li-ion cells to my custom PCB
I've tinkered with electronics and components for quite some time now, but I'm kind of a noob when it comes to taking things to "production".
I've this project using an ESP12-E, powered by 2 ...
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PCB hybrid stackup
Have you seen or is it advisable to use TEFLON (PTFE) material between signal and ground layer and use an aluminum core material for better heat dissipation? I am improving a 6 layer circuit board ...
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Are these tracks too close for comfort, will this distance cause any problems?
I'm doing some PCB wiring and I am connecting many buttons to an Arduino Mega's digital inputs. The idea is that the digital pins will be normally high and when I push one of the buttons, the digital ...
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PCB warping during Reflow
I have design a PCB size about 100x60mm it reflow very nice on the hot plate but If I convert my PCB to a panelization 2x3 quantities size became 200x180, the edges began to lift up due to expansion ...
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Could 94-HB board be used for SMD and THT soldering?
I have a circuit that I designed lately which is quite simple based on just 1 opamp and have an SMD and THT components (like a relay) and will be producing mass production in Chinese factories and it ...
