MAP4KE120CAE3

Voltage - Clamping (Max) @ Ipp:	165V
Supplier Device Package:	DO-204AL (DO-41)
Package / Case:	DO-204AL, DO-41, Axial
Mounting Type:	Through Hole
Operating Temperature:	-65°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	400W
Current - Peak Pulse (10/1000µs):	2.4A
Series:	Military, MIL-PRF-19500
Voltage - Breakdown (Min):	114V
Voltage - Reverse Standoff (Typ):	102V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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MAP4KE120CAE3-TVS-Diodes

MAP4KE120CAE3, also known as a Transient Voltage Suppressor (TVS), is a low capacitance two-stage diode that provides protection against overvoltage transients. It is a type of diode designed to protect against transient voltage spikes, such as electrostatic discharge, induced voltage, and lightning. The MAP4KE120CAE3 is a low capacitance, two-level diode designed for use in Automotive Ethernet physical layer transceivers.

Application Field

MAP4KE120CAE3 is mainly used in Automotive Ethernet applications, such as cable interface protection, high-speed data transmission line protection and other protection applications. It provides protection from overvoltage transients caused by electrostatic discharge (ESD), induced voltage and lightning. Additionally, it is designed to operate in high temperature environments, cutting down on the demand for heat sinks. Its low capacitance is perfect for protecting high speed data communication lines and transceivers. MAP4KE120CAE3 is a reliable, cost-effective solution for Automotive Ethernet applications, providing superior transient protection with low capacitance.

Working Principle

MAP4KE120CAE3 utilizes surge current protection technology which involves the use of two separate layers of diode protection. The first layer, called the Cathode Gate Diode (CGS), limits the current that flows into the diode and the second layer, called the Protecting Anode Diode (PAD), limits the current that flows out of the diode. The CGS and PAD are triggered by a voltage spike, resulting in a shut-down or “clamping” of the voltage. This technology is highly efficient in protecting high speed data communication lines and Ethernet physical layers, due to its low capacitance and low leakage current.In order to protect a cable interface from ESD and other transients, the MAP4KE120CAE3 can be placed directly on the cable. The device contains two diodes, one at the input end and one at the output end. Whenever a transient spike, such as an ESD event, is detected, the diodes will respond by shunting the surge current away from the cable, thus preventing the transient from damaging the cable and other components.In conclusion, the MAP4KE120CAE3 TVS-diode is a cost-effective solution designed to provide superior transient protection in high temperature automotive Ethernet applications. It is a low capacitance two-stage diode that provides protection against overvoltage transients caused by ESD, induced voltage, and lightning. Its CGS and PAD layers effectively respond to transients in order to protect the cable interface from damage.

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