P4KA24AHE3/54

Current - Peak Pulse (10/1000µs):	12A
Base Part Number:	P4KA
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 185°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	400W
Series:	Automotive, AEC-Q101, PAR®
Voltage - Clamping (Max) @ Ipp:	33.2V
Voltage - Breakdown (Min):	22.8V
Voltage - Reverse Standoff (Typ):	20.5V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

P4KA24AHE3/54 is an ultra-low capacitance transil diode designed to protect high speed data lines from overvoltage induced signals. It is classified as a TVS (Transient Voltage Suppressor) diode, and belongs to the family of electrostatic protection circuits. It does not require any additional circuitry to function and can be used in various configurations.

Application Field

P4KA24AHE3/54 TVS diode is used mainly for data line protection when a lightning strike or surge is expected. It is widely used in the data line protection of automotive systems, industrial control systems, telecom systems, computing systems, etc. It can also be used wherever a bidirectional protection is needed.

Working Principle

The working principle of P4KA24AHE3/54 is based on the bipolar junction device. It consists of a junction between two semiconductor materials. When the diode is forward biased, conduction current will flow between the two materials. However, when the voltage exceeds the maximum breakdown voltage of the diode, the conduction current will decrease. This is known as clamping. When an overvoltage surge or lightning strike occurs, the diode will clamp the voltage to protect the system against the peak overvoltage. The voltage is temporarily increased, which limits the amount of current that will be allowed to flow through the system. The lower dynamic resistance of the P4KA24AHE3/54 is one of its main advantages, as it limits the amount of power dissipated by the diode during these peak surges.

Conclusion

The P4KA24AHE3/54 TVS diode is a versatile, reliable and cost effective solution for data line protection against overvoltage induced signals. The low capacitance ensures the proper working of these systems during normal operating conditions and the low dynamic resistance limits the power dissipation in case of overvoltages. This makes the P4KA24AHE3/54 an excellent choice for a wide range of applications.

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