B72220U2511K501

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TVS (Transient Voltage Suppressors) are electrical devices used to protect computers, other sensitive systems and many heavy-duty equipment from voltage transients or surges. They are broadly categorized into Varistors, MOVs (Metal Oxide Varistors) and unidirectional TVS. MOVs are one of the main categories of TVS devices.

B72220U2511K501 is a MOV device. This type of MOV functions by using a special metal oxide material which absorbs electric energy and changes its electrical resistance during a voltage transient or surge. The B72220U2511K501 is a sixth-generation device that offers very high energy absorption, a very low leakage current, and an excellent capacitive response, all of which makes it suitable for a wide range of high-voltage transient applications.

B72220U2511K501 is designed mainly for transient voltage-protection applications and has experienced wide-spread use in industrial applications, such as circuit protection and transient voltage-protection for power supplies, solar-cell arrays, computers and telecommunications systems, motor controls, LED lighting, industrial controls and aerospace and military applications. Its application field can be broadly divided into four types:

• Computer peripheral interface circuits
• Heavy-duty vehicle circuits
• Pulsed power supplies
• Aerospace and military applications

The small size of the B72220U2511K501 makes it suitable for a variety of applications where space is limited. It is designed to protect the equipment from over-voltage events and voltage transients. It has an operational voltage range from 7V to 390V.

The working principle of the B72220U2511K501 is that it absorbs electric pulse energy when a surge or transient voltage exceeds its breakdown voltage. Its capacitive response allows it to absorb the pulse energy and, as a result, raise its internal resistance, suppressing the transient voltage and protecting the device and the circuit from damage.

The B72220U2511K501 also features low capacitance and low clamp voltage. This ensures that it can provide tighter over-voltage protection and reduce power-supply noise, thus increasing the quality of the power supply for the equipment. Furthermore, the device provides excellent high-frequency voltage clamping.

In addition, B72220U2511K501 is highly reliable and offers superior mechanical stability which makes it ideal for environmentally demanding applications. It can also operate in extreme temperatures, ranging from -40°C to +125°C. The device is also RoHS compliant and comes with an environmentally friendly lead-free, halogen-free, tin-silver plated terminal finish.

In conclusion, the B72220U2511K501 is a very versatile MOV device suitable for a wide variety of transient voltage-protection applications, such as computers, power supplies, and military and aerospace applications. Its combination of high energy absorption, low leakage current, reflected capacitive response and excellent high-frequency voltage clamping make it an ideal choice for high-voltage transient protection.

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