Questions tagged [esd]
ElectroStatic Discharge, it's caused by accumulation of electrostatic charge as a result of rubbing, and can damage semiconductor devices like integrated circuits.
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Why asymmetrical current limiting on ESD Diodes?
I was reading this:
https://www.analog.com/en/analog-dialogue/articles/esd-diodes-as-voltage-clamps.html
And came by this:
Why would anyone choose the configuration in Figure 1, which limits ...
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Shipping & Handling Electronics & Electro-mechanical parts
What are common packaging(Shipping & Handling) guidelines (specs/stds) for Electronics & Electro-mechanical parts? Currently, working on adding onto our current generic guidelines for ...
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Plastic enclosure, ESD considerations
I am working on a product with three plastic components: an injection molded enclosure (Lexan, polycarbonate), a 3D printed mounting tray (ESD PETG, carbon nanotubes) onto which my PCB is mounted, and ...
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Ethernet PHY ESD protection, difference in components
I'm using a Würth Elektronik 7498210220A jack (datasheet) and I need to add ESD protection to TD and RD lines of this Ethernet connector (with integrated magnetics).
Application of this Ethernet ...
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Overvoltage Clamping protection for Boost Converter
I think my circuit is failing because of ESD and/or transients when initially connecting my device to a supply. How should I go about protecting the gate of M1? What's the best way to clamp the ...
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Suggestion for ESD Chassis Ground for Battery-Operated Device with Plastic Enclosure
We are developing a wearable device that is battery powered which is enclosed with a plastic enclosure. As a requirement for safety, we submitted the device for EMC testing, which includes Indirect ...
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Connecting digital ground and chassis ground
I have an Ethernet connector whose chassis or shield ground I need to connect to the digital ground. I read that it is a practice that is followed in many designs.
My questions:
Why should they be ...
user220456
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ESD problem and how to solve
We have a problem with contact discharge of 3kV on a housing part. The PCB with the PHY are installed in an aluminum lower part with plastic upper part (dimensions approx. 80x80x80mm). The contact ...
user220456
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How much current can opamps' integrated ESD diodes carry during an ESD strike?
So the basic answer to such kinds of questions is usually: "If nothing is specified in the datasheet, assume the most conservative rating!"
However, the datasheets usually only mention the ...
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Designing a mains powered device in metal chassis, EMC/EMI/ESD/safety considerations for CE testing
I hope this topic is not too broad. I will formulate it as specific as possible.
I have read many articles and guides about EMC testing, but I am still unsure whether I am overlooking something ...
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Troubleshooting component failures in a metal box (that's next to an air band radio transmitter)?
I have a little project that's been experiencing component failures, and I'm having trouble figuring out what to do about it. I think the issue is ESD but that's just a guess. Also I'm a total noob so,...
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Padding between USB and panel
Our product has a hole on the metal panel for the USB2.0 type B port. However, due to the mechanic size variation, on some panels, the USB connector can't touch the panel at all. As indicated in the ...
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ESD Protection for LED
I have a main board with microcontroller and two long distance panel boards with standard 5mm red LEDs with 3.3k resistors. I supply panel boards with 24V over 20m cable. Whole system power is ...
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How real an issue is static for hobbyists (Arduino etc.) for parts storage?
The parts I buy come in all kinds of packaging:
Here we have a USB charger in a basic anti-static bag, Kapton tape and MOSFETs in ESD bags and a small development board in a plain plastic bag.
I'm ...
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ESD Capacitor Calculation, 330Ohm Series Resistor and ESD Clamp Voltage
I have a input power filter circuit.
It has ESD Protection capacitors which help to protect the downstream circuit from ESD Pulses.
ESD Capacitors Specifications :
C0001, C0002, C0003, C0004 = 47nF, ...
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