MPLAD15KP12AE3 Circuit Protection

Series:	--
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	12V
Voltage - Breakdown (Min):	13.3V
Voltage - Clamping (Max) @ Ipp:	19.9V
Current - Peak Pulse (10/1000µs):	753A
Power - Peak Pulse:	15000W (15kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	Nonstandard SMD
Supplier Device Package:	PLAD

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Introduction

MPLAD15KP12AE3 is a Transient Voltage Suppressor (TVS) component from Temic Semiconductors. It is a protection device that can reduce the risk of damage caused by electro-static discharges (ESD) and transient voltage events. The internal structure of the component includes two circuits integrated on one chip. The first circuit protects against ESD voltage and the second one guards against transients of various origins, such as voltage surges, inductive or capacitive switching operations, etc.

Application Field

MPLAD15KP12AE3 is primarily designed for protecting RF transceivers, controllers, routers and access points from voltage surges. It has an adjustable ESD threshold voltage which helps to protect sensitive communications devices from ESD events up to 30KV. This component can also be used in industrial circuits such as serial port overvoltage protection, surge suppression and in automotive applications where protection from ESD and voltage transients is necessary.

Features

MPLAD15KP12AE3 offers a number of features, making it a valuable protection component in various applications. It has a low capacitance (<0.3pF) of the anode-cathode network, which ensures that it does not interfere with signal integrity. The break-over voltage is adjustable from 4.2V to 6.5V, providing protection for low-power circuits. The component also features excellent thermal stability and low dynamic impedance, keeping dissipation low. Its SMA package provides excellent thermal dissipation, reducing the risk of thermal runaway.

Working Principle

The MPLAD15KP12AE3 is a unidirectional, voltage-sensitive component. The working principle is very simple: it is composed of two sections, an ESD diode connected between the anode and the cathode, and a Zener diode connected between the anode and the substrate. Both diodes are reverse-biased during normal operations. When an ESD event or a surge occurs, the ESD diode is forward-biased and the Zener diode is reverse-biased, allowing current to flow. The ESD diode reduces the voltage to a safe level and clamps the voltage to the cathode and the ground. The Zener diode provides additional protection by dissipating the excess energy.

Conclusion

The MPLAD15KP12AE3 is a versatile Transient Voltage Suppressor (TVS) component from Temic Semiconductors. It is a unidirectional, voltage-sensitive component that can provide protection from various ESD, transients and voltage surges. It has a low capacitance, adjustable break-over voltage and excellent thermal stability, making it ideal for protecting RF transceivers, controllers, routers and access points, as well as industrial and automotive circuits.

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