15KPA18CATR

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Bidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	18V
Voltage - Breakdown (Min):	20.11V
Voltage - Clamping (Max) @ Ipp:	30.9V
Current - Peak Pulse (10/1000µs):	488.7A
Power - Peak Pulse:	15000W (15kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 175°C (TJ)
Mounting Type:	Through Hole
Package / Case:	P600, Axial
Supplier Device Package:	P600

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TVS – Diodes

A TVS (Transient Voltage Suppressor) Diode, also known as clamping diode, is an electronic device that protects against pressures to isolated ports. It is typically used in applications where high voltage pulses can damage an electronics systems. The TVS Diode is designed to be used in tandem with other electronic components such as capacitors, resistors, and transistors. The most common TVS Diode is the 15KPA18CATR.

Applications

The 15KPA18CATR is suitable for clamped ESD (electro-static discharge) applications, electronic countermeasures (ECM) systems, industrial equipment, and power supply systems. TVS Diodes can be used in environments where short-term high voltages (such as those from static electricity, powerlines, and radio-frequency interference) may cause system failure. The 15KPA18CATR\'s clamping functionality allows it to protect the components of the system from high voltage pulses for an improved system performance.

Working Principle

The 15KPA18CATR is a silicon diode that clamps the voltage that exceeds the rated breakdown voltage. The device is designed to operate in the reverse bias mode, when high voltage pulses are applied to the diode\'s anode terminal, the diode\'s voltage drop increases rapidly leading it to enter the avalanche breakdown region. At this point, most of the voltage appears across the diode due to its current-limiting effect. The 15KPA18CATR\'s reverse leakage current remains steady and decreases while protecting the equipment connected to it.When the voltage pulse persists, the 15KPA18CATR continues to divert the energy away from the protected equipment. The energy passes through the diode and is supplied as a current to the load circuit. When the voltage pulse reverts, the 15KPA18CATR again becomes reverse biased and the diode current decreases.

Conclusion

The 15KPA18CATR is a TVS Diode that offers reliable protection from high voltage pulses in a wide array of applications. Its clamping functionality allows it to protect the components of the system from high voltage pulses for an improved system performance. Its reverse leakage current remains steady and decreases while protecting the equipment connected to it. Its operation follows the same principles as other TVS Diodes - clamping voltage that exceeds the rated breakdown voltage and dissipating the energy away from the protected circuit while in the avalanche breakdown region.

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