Menu Close

Which device is most sensitive to ESD?

Which device is most sensitive to ESD?

MOS – Metal Oxide Semiconductor technology
The devices that are most sensitive to ESD are generally those which include MOS – Metal Oxide Semiconductor technology. These devices have very high impedances which do not allow the charge to dissipate in a more controlled fashion. However this does not mean that bipolar devices are immune from damage.

What are the two types of ESD?


  • Catastrophic Failures.
  • Latent Defects.

What is the biggest cause of ESD?

Causes. One of the causes of ESD events is static electricity. Another cause of ESD damage is through electrostatic induction. This occurs when an electrically charged object is placed near a conductive object isolated from the ground.

Is CPU sensitive to ESD?

Computer components such as memory chip, CPU, motherboard, hard drives, and expansion cards can be damaged by an electrostatic discharge as small as 100 volts or less.

What is highly sensitive to ESD?

Overview. As electronic parts like computer central processing units (CPUs) become packed more and more densely with transistors the transistors shrink and become more and more vulnerable to ESD. Common electrostatic-sensitive devices include: Examples are computer CPUs, graphics ICs. Computer cards.

Is fan sensitive to ESD?

5 “Moving gases that are free of particulates, e.g. from air guns, fans, or heat guns do not tribocharge an insulator or conductor. An insulative surface can charge an ungrounded conductor, which is the greatest ESD hazard.”

What is full form of ESD?

What is ESD (Electrostatic Discharge)? When two electrically charged objects, such as the human body and an electronic device come into contact with each other, static electricity is discharged. This phenomenon is called ESD (Electrostatic Discharge).

What are the two types of ESD charging methods?

There are three possible ways that ESD occurs: discharge to a device, discharge from a device, or a field-induced discharge. The first two alternatives are self-explanatory and are caused by the proximity of materials that are not of the same electrostatic potential.

Is ESD really a problem?

In the industry, it is referred to as Electro-Static Discharge (ESD) and is far more of a problem now than it has ever been; although it has been mitigated somewhat by the fairly recent widespread adoption of policies and procedures that help to lower the likelihood of ESD damage to products.

How ESD is generated on a human body?

When two electrically charged objects, such as the human body and an electronic device come into contact with each other, static electricity is discharged. This phenomenon is called ESD (Electrostatic Discharge). ESD generated from the human body can be of the order of several thousand volts.

What PC parts are ESD sensitive?

Any computer part containing transistors or integrated circuits (ICs) should be considered sensitive to electrostatic discharge, and can be damaged or destroyed by ESD.

How likely is ESD damage?

Over the last eight years of investigating and eventually understand- ing the root causes of ESD, we have found that less than 0.10% of all the documented damage actually came from ungrounded personnel touching ESD-sensitive (ESDS) products, known as human body model (HBM) damage.

Why are electronic devices so sensitive to ESD?

As component technology progresses, internal device sizes reduce and become more ESD sensitive. Many modern components are protected by on-chip protection circuits, without which they would be extremely sensitive.

What should the voltage of an ESD be?

Untile recently in most cases the design goal has been to increase the device ESD withstand voltage to 2 kV HBM, 200V MM and 500V CDM. In some cases these goals cannot be met for various reasons – there is often a tradeoff between ESD protection and device performance.

What are the effects of electrostatic discharge ( ESD )?

ESD, electrostatic discharge affects electronic components in a number of different ways. The large static voltages can enter devices and cause damage to the intricate internal circuitry.

Are there any white papers on ESD susceptibility?

Since 2007 they have published White Papers giving a case for lowering device HBM and MM protection requirements to 1kV HBM and 30V MM, and CDM protection requirements to 250V. They have also published a White Paper on misconceptions regarding system level ESD susceptibility.