0070.2521.B1

Varistor Voltage (Typ):	39V
Package / Case:	Disc 7mm
Mounting Type:	Through Hole
Operating Temperature:	-40°C ~ 125°C (TA)
Capacitance @ Frequency:	3058pF @ 1kHz
Number of Circuits:	1
Energy:	2.4J
Current - Surge:	500A
Varistor Voltage (Max):	43V
Series:	AVTS
Varistor Voltage (Min):	35V
Maximum DC Volts:	31V
Maximum AC Volts:	25V
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - Varistors, MOVs

Varistors and MOVs (Metal Oxide Varistors) are two types of voltage protection devices. They are commonly referred to as Transient Voltage Suppressors or TVSs. The 0070.2521.B1 is a varistor/MOV hybrid, which combines the features of both types of devices.Varistors are two-terminal nonlinear voltage-dependent resistors. They are made of a sintered ceramic material with metal oxides that have been doped to create a semiconductor that has a nonlinear current-voltage relationship. The device acts like a switch, with the resistance decreasing dramatically with an increase in voltage above its threshold.MOVs also have two terminals, but their function is different. They are made of two metal electrodes separated by a dielectric material. When a voltage spike above the MOV\'s threshold occurs, an electric current is created in the device. This current then dissipates the excess voltage and reduces the possibility of damage to the electronics.The 0070.2521.B1 combines the features of both these devices to create an effective voltage protection device. It has a higher voltage threshold than a standard varistor, making it more effective at protecting against high voltage spikes. It also has a lower capacitance than a MOV, making it better suited for applications that require very fast switching.The main advantage of the 0070.2521.B1 is that it is extremely well suited for use in high-voltage applications such as Over voltage and Transient over voltage protection. It also has a low temperature coefficient, making it ideal for use in circuits that require a steady voltage level during temperature fluctuations.The 0070.2521.B1 is a versatile device that can be used in a variety of applications. The most common application for this device is in transformer applications where it can protect against lightning surges and high voltage transients. It can also be used in junction boxes, protecting against over-voltages and transients, as well as providing a steady voltage level during normal operation. The 0070.2521.B1 is also commonly used in power supplies, protection circuits, switch mode power supplies, automotive electronics, and communication systems. The device is small and easy to implement in a variety of applications. It is also reliable and cost-effective, making it an ideal choice for voltage protection applications. In summary, the 0070.2521.B1 is a hybrid varistor/MOV device that combines the features of both devices to create a highly effective voltage protection device. It is versatile and can be used in a variety of applications, such as transformer protection, junction boxes, power supplies, switch mode power supplies, and automotive electronics. It is a reliable and cost-effective device that can be easily implemented in a wide range of applications.

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