3KP40-B

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TVS-Diodes are components that are used to absorb transient overvoltage, such as a surge or a spike, on the voltage line and reduce it to an allowable level. The 3KP40-B is one such component that does this job efficiently.

A 3KP40-B is a device that works as a shunt element and an integrated fast-acting TVS, which absorbs transient overvoltage and reduces it to an allowable level. This device is used in protection circuits, especially for automotive, bus, and telecoms applications. It has a very low clamping voltage so it can absorb any transient current without having to clamp the supply voltage. The low clamping voltage prevents any damage to the circuit or other components.

The 3KP40-B has a PTC diode configuration that increases the current flow when the die temperature increases. This helps the device to absorb more transient current. It works with both AC and DC voltage, with its breakdown voltage being 40V with a maximum clamping voltage of 20V. The device can sustain a current of up to 3kA for a duration of 10/1000 seconds and has a peak pulse current of 10kA.

When it comes to application, the 3KKP40-B is typically used in automotive applications for protection against transient overvoltage. It can be used in starter motor circuits, ignition coils, power steering systems, and other sources of transient currents. It is also suitable for use in telecommunication systems such as telephone networks and broadband networks.

In summary, the 3KP40-B is an ideal device for protecting against transient overvoltage in automotive applications and telecommunication systems. It has a low clamping voltage so it can absorb transient current without clamps. It also has a PTC diode configuration that increases the current flow when the die temperature increases, allowing it to absorb more transient current. Its breakdown voltage is 40V with a maximum clamping voltage of 20V. It can sustain a current of up to 3kA for a duration of 10/1000 seconds.

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