15KPA58CA

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TVS - Diodes

TVS (Transient Voltage Suppressor) diodes are a variety of diodes that are designed to protect circuits from voltage transients. They are also sometimes referred to as surge suppressors. TVS diodes provide protection to circuits from transients caused due to external sources like lightning, electrical power strikes, ESD (electrostatic discharge) and heavy electrical arcing. TVS diode structures allow them to quickly turn on (avalanche breakdown) and thus act as a transient voltage clamp.

The 15KPA58CA is a bi-directional, unidirectional, and bidirectional TVS diode. It\'s designed to protect a variety of low voltage circuits from transient voltage such as ESD and lightning. The 15KPA58CA is built in an 8-Pin SOT-23 package. It has a working voltage range from 4.8V to 12V, maximum avalanche clamping voltage of 58V and a transient peak pulse current from 1.5A to 2A. This TVS diode is designed with MOS for low leakage current. It also has a low reverse leakage current, low operating capacitance and a high surge capability.

Application Field

The 15KPA58CA TVS diode is commonly used for low voltage system protection. It can be used to protect a variety of components including jumpers, data lines, antenna, RF signals, input/output ports and cellular phones. It can also be used to protect data lines against surges from lightning, power combat, ESD and other forms of voltage spikes.

Working Principle

The 15KPA58CA TVS diode works on the principle of a pn-junction diode. It has two sections: anode and cathode. A bias voltage is applied across the anode and cathode, which causes electrons to flow from the anode to the cathode. When the voltage exceeds the reverse breakdown voltage, electrons are forced to break through the junction, creating an avalanche breakdown and releasing a large as amount of current into the circuit for protection.

The 15KPA58CA TVS diode is designed to rapidly clamp down the voltage when an over-voltage is detected, thus providing a surge protection to the system. The diode is able to turn off rapidly after the transient event is over. This helps minimize damage and downtime in protected electronics, hence making it ideal for protecting circuits in harsh electrical environment.

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