MX1.5KE120CA Circuit Protection

Voltage - Clamping (Max) @ Ipp:	165V
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:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	9.1A
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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TVS (Transient Voltage Suppressors) diodes are components widely used to protect sensitive electronic components from damaging electrical surges. The MX1.5KE120CA is a particular type of TVS diode that is used in various applications to offer electrostatic discharge (ESD) protection and surge protection. This article will discuss the applications and working principles of the MX1.5KE120CA.The MX1.5KE120CA is a bidirectional device that has a low dynamic resistance and high peak pulse current ratings. It is widely applicable in many applications, including personal computers, servers, automotive, and industrial control systems. The main advantage of this TVS diode is its small size and cost-effectiveness.In terms of application, the MX1.5KE120CA can be used in various applications as a protection mechanism. It can be used to protect against ESD and surges, offering robust protection. The MX1.5KE120CA is also used in consumer applications such as cell phones and laptops to protect against electrical spikes arriving from the power line. This type of protection prevents damage to the sensitive components within the device.In terms of working principle, the MX1.5KE120CA comprises of a diode-resistor chain (DR chain) and a Zener diode. The DR chain is tasked with limiting the voltage across the junction while the Zener diode is used to clamp the voltage and shunts away the excessive current. The DR chain comprises of a Zener diode, a resistor, and a diode, in consecutive order. When a voltage spike occurs, the Zener diode begins to conduct current, which causes a voltage across the resistor. As a result of this, the voltage across the junction starts to increase. At the same time, the diode begins to conduct current and the current flows through the resistor, causing its voltage to rise and thereby limiting the voltage at the junction. This ultimately clamps the voltage and prevents any further increase, protecting the device against electrical surge events. In conclusion, the MX1.5KE120CA is a TVS diode used in various applications to provide ESD and surge protection. It comprises of a DR chain and a Zener diode to limit the voltage across the junction and clamp the voltage, respectively. The MX1.5KE120CA is widely applicable and offers cost-effectiveness which makes it an ideal choice for the aforementioned applications.

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