TV15C640JB-HF

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TVS diodes, also known as transient voltage suppression diodes, are electrical components that protect other electronic components against transients, or short, high voltage spikes that can occur in lines carrying electrical current. TV15C640JB-HF are a type of TVS diode specifically designed to provide robust protection from voltage surges, whether internally or externally generated, and can be used for a variety of applications.

Application Fields

TV15C640JB-HF TVS diodes are used in a variety of industrial and consumer applications to protect against electrical transients, such as those experienced in power or data lines. They can be found in many types of computers, communications, and consumer audio and video devices, particularly those reliant on digital signals for processing. They can also be used in military, aerospace, and automotive applications where high transient voltages are encountered, typically in the form of ESD (electrostatic discharge) and nearby lightning strikes. The TV15C640JB-HF also provide protection in alternative energy applications, such as solar photovoltaic (PV) cells.

Working Principle

The TV15C640JB-HF is essentially a specialized diode fabricated from high-voltage silicon-based semiconductor. It acts as a circuit breaker to reduce/limit high voltage transients to safe levels, preventing damage to other semiconductor components. Under normal conditions, the anode and cathode of the diode are electrically “off”, meaning that the diode is not conducting and no current is flowing through it. When subjected to a high voltage surge, the circuit between the anode and cathode is turned “on”, causing the diode to conduct current. This creates a low-impedance path for current, which is immediately bypassed, reducing the voltage. When the surge has passed, the diode automatically switches itself off and returns to its non-conducting state.

The TV15C640JB-HF have a clamping voltage of 15V and can withstand an 8/20µs pulse of 4.0kV peak. This makes it suitable for a range of applications, including data lines and power lines, where transient protection is needed. The TV15C640JB-HF also operates over a wide temperature range (-40 to +150°C) and features an integrated diode for reverse polarity protection.

TV15C640JB-HF TVS diodes offer reliable and robust protection from transient voltage surges in a wide range of industrial and consumer applications. By providing reliable ESD and EFT protection, they extend the life of the electronic components they help to protect. As their size and cost are relatively low, they are ideal for protecting today’s smaller and more compact electronics.

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