V150MA1A

Varistor Voltage (Typ):	150V
Package / Case:	SOD-83A Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 85°C (TA)
Capacitance @ Frequency:	32pF @ 1MHz
Number of Circuits:	1
Energy:	0.50J
Current - Surge:	100A
Varistor Voltage (Max):	173V
Series:	MA
Varistor Voltage (Min):	127V
Maximum DC Volts:	121V
Maximum AC Volts:	88V
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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What is the V150MA1A?

The V150MA1A is a voltage suppressor manufactured by TE Connectivity. It is designed specifically to regulate or limit voltage transients that are often caused by spikes in the power input of a system or component. The V150MA1A is a form of television signalled voltage suppressor (TVS) which acts as a two-way valve allowing energy to travel in either direction if the voltage exceeds the designed rating.

Application Field 

The V150MA1A is commonly used for PCB applications and is widely used in automotive, consumer electronics, and portable applications. Its small size makes it ideal for a variety of applications including the protection of input and output ports, DC-DC converters, integrated circuits, and exposed circuits from potential damage due to overvoltage.

Working Principle

The V150MA1A is designed to regulate voltages that exceed the normal operating condition. The device acts as a two-way valve allowing energy to travel in either direction if the voltage exceeds the pre-defined threshold. When an overvoltage occurs, the V150MA1A\'s built-in clamping elements instantly reduce the voltage so that it remains at a safe level. The V150MA1A operates based upon a metal oxide varistor (MOV) principle. The MOV is made up of two sets of metal oxide layers and a center electrode that is connected to the semiconductor die. When a surge in voltage occurs, electrons are drawn towards the center electrode, causing the MOV to become conductive. This increases the current flow between the two metal oxide layers, resulting in the current flow being diverted around the device. This process allows the V150MA1A to limit the voltage values and act as a protector from power surges. The V150MA1A also has a built-in ESD protection circuit that prevents electrostatic discharge from occurring in vulnerable circuits. The device is also designed to withstand reverse voltage up to 70V, providing additional protection to the connected circuitry.

Conclusion

The V150MA1A is an effective and efficient voltage suppressor that is well-suited for a variety of different applications. Its small size and low profile make it ideal for PCB applications, and its built-in ESD protection circuit ensures that sensitive circuits remain unharmed from electrostatic discharge. The device operates based upon a MOV principle, transferring excess voltage away to ensure that only approved levels remain. It is an ideal solution for protecting systems and components from unexpected overvoltages or power surges.

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