PESD5V0X1BCAL,315 Circuit Protection

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TVS – Diode is an electronic device, typically made up of silicon carbide, which is used to safeguard sensitive electronic circuits from potential voltage surges resulting from electrostatic discharge (ESD), electrical overstress (EOS), or lightning. The protection is achieved by temporarily restricting an increase in voltage applied to the circuit due to a surge, and thus limiting the current to the circuit. The PESD5V0X1BCAL,315 is a TVS – Diode device from engineers at Littelfuse and is primarily used to protect sensitive components in a circuit from electrostatic charges.

The PESD5V0X1BCAL,315 is a bi-directional diode that features an ESD/EOS protection of up to ±15kV contact discharge (Verification Level 4) with low capacitance (0.31pF) for high-speed signal lines. It can offer clamping protection to both AC and DC over-voltages, for voltage levels between 4.0V and 8.0V (±1kV pulse). This diode also features a low operating voltage of 5V and a stand-off voltage of 4.2V (typical). The unit’s low leakage current and low capacitance make it suitable for high-speed interfaces.

The PESD5V0X1BCAL,315 can be used in a variety of applications, such as automotive power circuits, telecom/data lines, and consumer electronics circuits. It can also be used in high voltage spike protection for in-vehicle networks, such as LIN and CAN. These devices are often placed close to the critical load to provide a protection zone to the circuit against any destructive over-voltage condition.

The working principle of the PESD5V0X1BCAL,315 is similar to that of other silicon-based TVS – Diode devices. When an ESD or EOS transient is applied to the diode, the increased voltage applied to the device will result in high current flow. This current is then limited by the diode’s dynamic resistance, until it slowly decreases with the decrease of the voltage. The current limitation then helps protect the vulnerable components connected in the circuit from potential damage due to over-voltage.

The PESD5V0X1BCAL,315 is a reliable protection solution for electrostatic discharge and over-stress conditions, and is widely used in a variety of applications. With its low capacitance and low operating voltage, this device can provide dependable protection for sensitive circuits in a wide range of applications.

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