BZW04-13B Circuit Protection

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TVS (Transient Voltage Suppressors) diodes come in different types - from unipolar to bi-directional protection - and are an important component in almost any modern electric device. BZW04-13B is a TVS diode specifically designed for telecom applications, including over-voltage and protection from electrostatic discharge (ESD) events. The BZW04-13B offers high-efficiency current conduction and low-capacitance in a wide range of situations, making it an ideal choice for a range of telecom applications.

The BZW04-13B is a bidirectional TVS diode typically operated between 140 and 500 Volts. It’s rated between 500 and 2000 Watts peak power capability and features a maximum breakdown operating current of 7.5 mA. The device also has a low capacitance of 2pF junction-to-ground and 5pF junction-to-junction, as well as an upper temperature limit of 125°C. This makes the BZW04-13B ideal for a range of telecom applications including protection from ESD events.

The BZW04-13B operates on the principle that a voltage exceeding a certain limit, the breakdown voltage, will cause the diode to conduct. Beyond this breakdown voltage, the diode will become an effective short, allowing a large current to flow through it. This process is called flame-out, indicating that it suppresses voltage transients, greatly protecting the system.

The primary application of the BZW04-13B is the protection of sensitive components within telecom systems, including transistors, amplifiers, and other active components. Such components are extremely susceptible to transients caused by lightening, ESD, or other external sources, which can permanently damage the component if not properly protected.

The BZW04-13B is designed to protect against this damage by performing immediate over-voltage protection, instantly limiting the voltage across the protected device. It also withstands several kilovolts of ESD to ensure proper protection and prevent potential component failure in the event of an ESD event. As a result, the BZW04-13B provides a highly reliable, cost-effective solution for any telecom system.

In addition, the BZW04-13B boasts fast response times, ensuring that any transients or ESD events are quickly and effectively mitigated in order to keep the system safe. It also features a minimal capacitance which ensures minimal interference with high-frequency communications signals.

Overall, the BZW04-13B is an ideal choice for any telecom application requiring overvoltage protection and ESD mitigation. It has a wide range of features designed to provide high-efficiency current conduction and low-capacitance in the most demanding of situations, enabling telecom systems to operate safely and reliably.

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