1.5KE12-E3/73

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TVS (transient voltage suppressor) diodes are commonly used in electronic circuits for protection against damage from transient overvoltages. The 1.5KE12-E3/73 is a unidirectional transient voltage suppressor diode package that offers superior protection against lightning, electrostatic discharges and surge events. Its compact size and low capacitance make it ideal for applications where space is limited.

Application Field

The 1.5KE12-E3/73 is most commonly used in communication systems, where it can be used to protect against voltage transients. It is also suitable for use in industrial, automotive, computing and consumer applications, where it can protect sensitive electronic components and systems from transient overvoltages. The device can also be used as part of an electrostatic discharge protection scheme to help reduce the possibility of ESD damage to modern electronic systems.

Working Principle

The 1.5KE12-E3/73 diode functions as an overvoltage protector, limiting the voltage within a circuit to a safe level during a transient event. This is usually achieved by connecting the diode in series with the device or circuit that needs to be protected. When the diode is subject to an overvoltage, the device will begin to conduct current, allowing some of the excess voltage to be diverted away from the device. The diode will continue to conduct until the overvoltage has been reduced to a safe level.

The 1.5KE12-E3/73 diode is designed to operate in both normal and avalanche breakdown modes. During normal breakdown, a small amount of current will flow through the diode to limit the voltage within the circuit, and during avalanche breakdown, the diode will conduct a much larger current, allowing even higher voltage transients to be safely diverted away from the device.

The 1.5KE12-E3/73 diode has a fast response time and is designed to protect against a wide range of voltage transients, including single-pulse and repetitive transients. The device has an extended operating voltage range from 5.5V to 180V, making it suitable for a wide range of applications.

Conclusion

The 1.5KE12-E3/73 diode is a versatile, compact transient voltage suppressor that is suitable for a variety of applications. It is capable of protecting sensitive electronics from lightning, ESDs and surge events, and its fast response time and wide operating voltage range make it an ideal choice for a wide range of applications.

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