Common questions 

Are diodes used in TVS?

Kobe Glover

Are diodes used in TVS?

TVS Diodes are used to protect semiconductor components from high-voltage transients. Their p-n junctions have a larger cross-sectional area than those of a normal diode, allowing them to conduct large currents to ground without sustaining damage.

What type of diode is used in TV?

Zener diodes
TVS is a type of the Zener diodes, and uses the characteristics in the breakdown region of the diode.

Where are TVS diodes used?

The TVS diodes fast response time and low clamping voltages make them ideal for use as board level protectors for semiconductors and other sensitive components. Applications include data and signal lines, microprocessors & MOS memory, AC power lines, and telecommunication equipment.

How does TV diode work?

TVS diodes are constructed with large cross sectional area junctions for absorbing high transient currents. As a result, the transient current is diverted away from the protected components and shunted through the TVS diode. The voltage across the pro- tected circuit is limited to the clamping voltage of the TVS diode.

What are the three main types of diodes?

Types of Diodes

  • Avalanche Diode. This type of diode conducts in the reverse direction when the reverse bias voltage exceeds the breakdown voltage.
  • Light Emitting Diode (LED)
  • Laser Diode.
  • Photodiode.
  • Schottky Diode.
  • Tunnel Diode.
  • Varicap or Varactor Diode.
  • Zener Diode.

How does a BidiRecTionAl TVS diode work?

BidiRecTionAl TVS deViceS During a transient’s positive cycle, the TVS diode D1 is reversed biased while the other diode D2 is forward biased. D1 acts in avalanche mode (similar to a unidirectional diode) as the transient current (I1) flows to ground.

What happens if TVS diode clamping voltage more than 57v?

If in case TVS diodes clamping voltage 57V if anything more than 57V what will happen to diode and circuit? The voltage at the cathode will be held at some voltage between minimum breakdown and maximum clamping. The interaction of the source impedance and this voltage determines the resultant clamping voltage.

How does a clamping diode work in a circuit?

Clamping circuit (clamp circuit, clamper, DC restorer, AC level shifter, clamping diode) In the circuit, the diode conducts current in one direction only and limits the signal to a reference voltage.

Why are TVS diodes used as transient suppression devices?

TVS diodes can handle kilowatts of power due to transients and are useful protection devices in general electronics and telecommunication devices. They are also used to protect input signals from electrostatic discharges, e.g., USB ports. Another clamping diode that functions as a transient suppression device is the metal oxide varistor.

How is the clamping voltage at the cathode determined?

The voltage at the cathode will be held at some voltage between minimum breakdown and maximum clamping. The interaction of the source impedance and this voltage determines the resultant clamping voltage. Would it break?