VDRS07H275TSE

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A Varistor (VDR), Metal Oxide Varistor (MOV), and Transient Voltage Suppressor (TVS) are three different kinds of surge suppressors that protect a device from over-voltage, usually caused by lightning strikes or other electrical transients. The VDR07H275TSE is an example of a TVS.

TVSs are used to absorb ESD pulses and high-energy transients quickly. This is achieved by quickly and responsively clamping a voltage to a safe level. Generally, the clamping level of the TVS is adjustable, depending on the particular application. In the case of the VDR07H275TSE, the TVS is specifically designed to protect sensitive electronic components from voltage transients due to lightning strikes, electrical over-voltages, and electrostatic discharge (ESD).

The internal structure of a TVS generally consists of one or more diodes arrayed in a configuration that creates a low impedance at its positive and negative poles. The diodes quickly respond to low-energy voltage transients, but during a transient greater than a certain threshold the TVS becomes a low-resistance conductor and conducts a large proportion of the current as it surges through the device.

When a voltage transient greater than the VDR07H275TSE\'s threshold occurs, the TVS responds by switching its internal diodes on and absorbing the transient, allowing the power supply to remain within safe operating levels. The VDR07H275TSE has an operating voltage of 5.0 volts, a peak pulse current of 8.5 A, and a clamping voltage of 6.5 volts. The maximum steady state voltage is specified as 4.1 volts, making it a great choice for applications requiring a low steady state voltage.

The VDR07H275TSE is a surface mount device (SMD) that measures 1.5mm x 0.8mm x 0.6mm and is ideal for use in cell phones, PDA\'s, and other hand-held wireless devices. In these types of devices, transients are usually caused by electrostatic discharge (ESD). As such, the VDR07H275TSE is designed to meet the requirements of IEC 61000-4-2 for ESD immunity. This makes the VDR07H275TSE an excellent choice for protecting sensitive electronic components from these types of transients.

The VDR07H275TSE is an excellent choice for applications that need to provide protection from high voltage transients. It is capable of quickly and responsively clamping a voltage to a safe level while maintaining a low steady state voltage. Additionally, it is designed to meet the requirements of IEC 61000-4-2 for ESD immunity, making it an ideal choice for protecting sensitive electronic components in handheld wireless devices.

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