MMBZ20VALT3G

Voltage - Clamping (Max) @ Ipp:	28V
Base Part Number:	MMBZ*A
Supplier Device Package:	SOT-23-3 (TO-236)
Package / Case:	TO-236-3, SC-59, SOT-23-3
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	40W
Current - Peak Pulse (10/1000µs):	1.4A
Series:	--
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	17V
Bidirectional Channels:	1
Unidirectional Channels:	2
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes

A Transient Voltage Suppressor (TVS) diode is a component used to protect sensitive electronics from voltage spikes. The MMBZ20VALT3G is a type of TVS diode that has specific applications in areas such as automotive, industrial, and consumer electronics.

Application Field of MMBZ20VALT3G

The MMBZ20VALT3G TVS diode is designed to protect components in automotive, industrial, consumer, communications, and wireless equipment from over-voltage damage. In the automotive industry, these diodes are used to protect sensors and actuators from current surge stresses. In the industrial sector, electric motors, solenoids, and other high-current powered components are also in need of similar protection from high-voltage surges. In consumer electronics, the MMBZ20VALT3G is used to protect components from power surges caused by sudden increases in voltage from the mains. It is also widely used in the communication industry to provide surge protection of communication lines. Wireless equipment is also regularly fer from voltage surge stresses.

Working Principle of MMBZ20VALT3G

The MMBZ20VALT3G is a kind of diode known as a unidirectional transient voltage suppressor diode. Its design works to provide fast protection against voltage spikes that occur when the voltage rises above its peak operating limit. In other words, when the voltage exceeds a certain threshold, the diode “clamps” the voltage to the maximum value.When the surge starts, the voltage of the MMBZ20VALT3G rises rapidly, and current occurs between the P and N zones. The N and P zones then react and form a PN junction with a voltage clamping action. The voltage then drops to a safer level and the current is conducted to the diode’s ground terminal. The device then shuts off when the voltage is restored to its normal operating level.In conclusion, the MMBZ20VALT3G is a type of TVS diode that can be used to protect equipment and components from voltage spikes caused by high surge voltages. It is designed to be used in industries such as automotive, industrial, consumer electronics, communications, and wireless equipment. To work effectively, the diode quickly “clamps” the voltage to a safe level when its threshold is exceeded, thus providing protection from surge voltages.

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