MLCE43AE3

Voltage - Clamping (Max) @ Ipp:	69.4V
Supplier Device Package:	CASE-1
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	100pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	21.6A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	47.8V
Voltage - Reverse Standoff (Typ):	43V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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What is MLCE43AE3?

MLCE43AE3 is an ultra-low capacitance Transient Voltage Suppressor (TVS) diode array specifically designed to protect high-speed data lines from over-voltage transients such as electrostatic discharge (ESD). It is comprised of two bidirectional elements connected in a back-to-back configuration. It is designed to suppress transients in both directions with low clamping voltage and low capacitance.

Application Fields

MLCE43AE3 is designed for use in protecting sensitive data lines, and can be used in a variety of applications in the telecommunications, consumer electronics, automotive, and other electronic industries. These applications include but are not limited to protecting data lines on routers, modems, set-top boxes, DVD players, hard drives, and consumer electronic devices. It can be used to protect open- circuits, or to shunt and attenuate ESD strikes, surges, over-voltages, and lightning. It\'s also suitable for industrial Ethernet and other high-speed digital signal lines.

Working Principle

The MLCE43AE3 device is an ESD protection diode array capable of suppressing transient voltages up to ±30kV . It has two bidirectional elements in a back-to-back configuration, which protect the data lines from ESD strikes in both directions. During normal operation, the MLCE43AE3 is an open circuit with a high impedance state. When an ESD strike occurs, the diodes start to conduct and divert the current away from the protected circuit. The clamping voltage of the diode array depends on the magnitude of the surge current. The diode array is able to dissipate large peaks of current and clamp the voltage rapidly, thus protecting the device connected to it.

Conclusion

The MLCE43AE3 offers a low capacitance solution for protecting high-speed data lines from over-voltage transients such as electrostatic discharge (ESD). With a low clamping voltage and low capacitance, this diode array is capable of dissipating large transient peaks of current and clamping the voltage rapidly. It is suitable for a wide range of applications in the telecommunications, consumer electronics, automotive, and Industrial Ethernet and other digital signal lines.

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