1.5KE250CA B0G

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TVS - Diodes: 1.5KE250CA B0G Application Field and Working Principle

Transient Voltage Suppressors (TVS) diodes are used to protect electronic circuits from electrostatic discharge (ESD). There are several types of TVS diodes available, with different applications and features. The 1.5KE250CA B0G is one type of these diodes and is used for protecting against particularly high voltages. This article discusses the application field and working principle of the 1.5KE250CA B0G.

Application Field

The 1.5KE250CA B0G is often used in Ethernet, automotive, power and telecommunication equipment. It is a unidirectional type that can be used in either symmetrical or unsymmetrical configurations. This type of diode is also suitable for use in high power applications, as it is rated for a maximum reverse leakage current of 1 μA and a peak reverse voltage of 250 V. This means that it can be used in high-voltage applications that require significant protection against ESD.

Working Principle

The 1.5KE250CA B0G operates in two different modes depending on the level of ESD protection that is required. In normal mode, the diode conducts current when a voltage is applied across it. The current flows from the anode to the cathode and is limited by the diode\'s built-in resistance and capacitance.,which creates an effective voltage at the anode. This effective voltage is then used to reduce the voltage across the diode and prevent it from reaching its peak reverse voltage level and causing device failure.

When a higher level of protection is needed, the diode activates its spike clamping mode. In this mode, the diode will ignite and then limit the voltage to a safe level. This is done by using its built-in Zener diode to limit the voltage to the diode\'s peak reverse voltage level. This prevents the device from reaching voltage levels that could cause device failure.

Conclusion

The 1.5KE250CA B0G is a TVS diode that is designed for high-voltage applications. Its application field includes Ethernet, automotive, power and telecommunication equipment, and it is designed to provide effective ESD protection. The 1.5KE250CA B0G operates in two modes depending on the level of protection required, normal mode and spike clamping mode. In normal mode, the diode conducts current while in spike clamping mode the diode will ignite and limit the voltage to a safe level.

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