SD05-7

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SD05-7 TVS diodes are high-performance transient voltage suppressors (TVSs) designed for surge protection of a variety of different systems. These solid-state devices provide over-voltage protection from high-voltage spikes, keeping your system safe from damage due to excessive current. They are built to be both ultrafast and cost-effective, providing superior protection from lightning strikes, power surges, and static discharges.

In addition to providing protection from over-voltage, SD05-7 TVS diodes also offer superior surge current capability and low junction capacitance. This makes them an ideal choice for protecting high-speed applications such as communications, industrial control and networking systems. The protection can also be tailored to meet specific system requirements through dynamic selection of the breakdown voltage or suppression level.

The SD05-7 is a unidirectional, PN junction diode. It is a hermetically sealed, glass encapsulated, and surface mount device with a silicon nitride dielectric. The diode has 8 pads for direct connection to the circuit board and is available with gold-plated terminations for excellent bonding and solderability. The device is RoHS compliant and is available in a wide range of breakdown voltages from 5.2V to 140V.

The working principle of a SD05-7 TVS diode is based on the PN junction diode. When a positive voltage is applied to its anode, current flows from the anode to the cathode through the PN junction. If the voltage increases above the breakdown voltage of the diode, current will flow in reverse from the cathode to the anode. This reverse current or surge current is the protection that the TVS diode provides. While this surge current will flow for only an instant, it is enough to clamp the voltage and protect the circuit from damage.

In addition to providing surge protection, SD05-7 TVS diodes also help to reduce electromagnetic interference (EMI) that may be generated by signal lines. The capacitance of the diode interacts with the input signal to dampen high frequency energy and reduce EMI. This helps to ensure that the signal lines remain in compliance with EMI regulations and minimize the interference between different devices.

The SD05-7 TVS diode is an ideal choice for applications that require superior transient protection. They are highly reliable, cost-effective, and offers a wide range of protection levels for a variety of systems. With their low capacitance and fast response time, they provide excellent EMI filtering as well, helping to ensure that signal lines remain in compliance with EMI regulations.

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