30KPA75A-B Circuit Protection

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Transient Voltage Suppression (TVS) diodes are a type of semiconductor device specifically designed to protect vulnerable electrical and electronic circuits against voltage transients, or voltage spikes, caused by electrostatic discharge (ESD) or electrical overstress (EOS). They can also provide highly effective protection against damage or degradation caused by indirect lighting events such as those caused by lightning storms. The 30KPA75A-B is a Unidirectional TVS Diode in a six-pin SMB package designed to protect components from voltage transients generated by inductive loads.

The 30KPA75A-B is capable of continuous stand-off voltages between 6.5 volts and 7.5 volts. Its unidirectional feature allows current flow from the cathode to the anode, while blocking any reverse flow from the anode to the cathode. With a maximum pulsed power rating of 130 W (tp= 8/20 μs), the 30KPA75A-B is designed to provide maximum protection for components in low to medium power applications. Its peak surge let-through current (IPP) of 40A and breakdown voltage (VBR) of 55V make it suitable for many mobile phone and other consumer electronic applications.

The working principle behind the 30KPA75A-B transient voltage suppression diode lies in its breakthrough design. The diode takes advantage of the Zener Voltage effect, the avalanche effect, and a clamping circuit to respond to voltage transients and protect target devices from overvoltage situations.

The Zener Voltage effect is the forward-bias voltage required for current flow through the diode. The avalanche effect, low breakdown voltage characteristic of the diode, occurs as the Zener Voltage is exceeded. This causes the diode to break down more easily, resulting in a voltage clamping circuit that lowers the voltage to a safe level.

The combination of these two characteristics allows the 30KPA75A-B to reduce the voltage to less than its Zener Voltage in the event of a voltage spike or transient voltage. This combination of effects also allows the diode to handle current up to 40A and power up to 130W.

The 30KPA75A-B is well suited for use in mobile phones, camera phones, laptop PCs, PDAs, MP3 players, and other electrical and electronic devices which are susceptible to voltage transients. The 30KPA75A-B is designed to protect delicate electronic components from the damaging effects of overvoltage conditions. Its self-contained design allows for less board space, making it possible to decrease the size of the electronic device. Its wide temperature range makes it suitable for use in harsh environments.

The 30KPA75A-B Transient Voltage Suppression Diode has been designed to provide superior protection for electronics and electrical components. Its self-contained design, versatile construction, and wide temperature range make it a great choice for protecting sensitive electronic components from transient voltage surges. With its high value features and performance, the 30KPA75A-B is well suited for use in any application requiring superior protection against overvoltage conditions.

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