Is using a via to strengthen surface mount connector on the pad a good or bad practice?

12 months ago

I believe I have heard of putting a plugged via right next to a mechanical pad so that the board…

Do you use SMT or THT for USB mini B connector?

12 months ago

This question is about the advisability of continuing to use a USB mini-B right angle surface mount connector in my…

How can I solder an SMD component with a pad on the bottom?

12 months ago

I am getting a PCB manufactured for a project that I am working on. One of the parts, the A4950…

How can I go about making temporary test connections in PCB while prototyping without soldering?

12 months ago

I recently ordered some PCB bits from a new supplier to assemble a widget. I want to make temporary connections…

Polyimide PCB Vs. FR4 PCB: What’s the Difference?

12 months ago

Polyimide PCB and FR4 PCB are two of the most prevalent used PCB types. Though both are polymer substrates well-suited for…

What is the difference between thin film and thick film precision surface mount resistors?

12 months ago

I'm using some 0.1% precision 10k and 150k resistors. They are thin film 0603 surface mount. For a lot more,…

How do surface mount components withstand heat of reflow while through hole components can not?

12 months ago

Some online tutorials about soldering TH components, like transistors and ICs, are delicate components and can be easily damaged by…

Why the regulator broke on the PCB when it underwent vibration test?

12 months ago

I have designed a power supply card using V7805-2000. Copper thickness is 70 microns, board size is 5 cm × 5…

How do I use two antennas with a single Bluetooth module? (BLE repeater)

12 months ago

I am working on a project that uses small Bluetooth low energy (BLE) beacons to track important items. Is there…

Is solder mask a valid electrical insulator?

12 months ago

There is a copper pour over the entire top of the my PCB, which is part of GND net. It…