V20H11P Allicdata Electronics
Allicdata Part #:

F7771-ND

Manufacturer Part#:

V20H11P

Price: $ 0.36
Product Category:

Circuit Protection

Manufacturer: Littelfuse Inc.
Short Description: VARISTOR 18V 5KA DISC 20MM
More Detail: 18V 5kA Varistor 1 Circuit Through Hole Disc 20mm
DataSheet: V20H11P datasheetV20H11P Datasheet/PDF
Quantity: 1000
Lead Free Status / RoHS Status: Lead free / RoHS Compliant
Moisture Sensitivity Level (MSL): 1 (Unlimited)
1500 +: $ 0.33009
Stock 1000Can Ship Immediately
$ 0.36
Specifications
Series: HMOV™
Packaging: Bulk 
Lead Free Status / RoHS Status: --
Part Status: Active
Moisture Sensitivity Level (MSL): --
Maximum AC Volts: 11V
Maximum DC Volts: 14V
Varistor Voltage (Min): 16.2V
Varistor Voltage (Typ): 18V
Varistor Voltage (Max): 19.8V
Current - Surge: 5kA
Energy: 25J
Number of Circuits: 1
Capacitance @ Frequency: 26000pF @ 1MHz
Operating Temperature: -55°C ~ 125°C (TA)
Mounting Type: Through Hole
Package / Case: Disc 20mm
Description

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TVS (transient voltage suppressors) and MOVs (metal oxide varistors) are two of the most commonly used devices in circuit protection. The fundamental difference between these two devices is that in TVS devices, the voltage being protected from is much higher than the MOV devices. In this article we’ll discuss the application field and working principle of the V20H11P, a modern TVS device.

The V20H11P is an ultra-low capacitance, two-terminal, bidirectional TVS. It is designed to protect sensitive electronics from ESD, IEC, and lightning strikes. It has application in a variety of infrastructure and consumer applications including telecom, medical, and entertainment equipment. It is able to protect from surges and spikes up to 2000W (5.8A, 11V) and is composed of a unique combination of monolithic and ceramic capacitors.

The working principle of the V20H11P is based on voltage dependent resistance and capacitance. The device is composed of two Terminals (positive and negative). When a voltage surge or spike occurs, the device reacts and the voltage at the terminals drops. This happens because the free electrons in the device are drawn to the applied voltage and form mobile ionic “clouds” that redirect the energy to ground. As the voltage across the terminals approaches zero, the temperature of the device begins to rise, with the energy dissipating as heat. This phenomenon is known as the flame damper effect.

The V20H11P is constructed out of a variety of advanced materials which give it its unique characteristics and capabilities. It has a low capacitance rating of less than 0.2pF compared to MOV devices, which typically reach 2-4pF. This makes it much more efficient in controlling powerful surges with a much lower chance of overvoltage or current spikes. In addition, the V20H11P is able to dissipate up to 4 times more electrical energy without damage than MOV devices.

The wide range of capabilities of the V20H11P makes it the perfect choice for protecting sensitive electronics from ESD, IEC, and lightning strikes. Its low capacitance rating eliminates the risk of false triggering and its advanced materials allow it to dissipate more electrical energy than MOV devices, providing superior protection. In short, the V20H11P is an ideal device for protecting sensitive electronics from powerful surges.

The specific data is subject to PDF, and the above content is for reference

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