B72500D50H160

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Maximum DC Volts:	5.6V
Varistor Voltage (Min):	150V
Energy:	--
Number of Circuits:	1
Capacitance @ Frequency:	0.9pF @ 1MHz
Operating Temperature:	-40°C ~ 85°C (TA)
Mounting Type:	Surface Mount, MLCV
Package / Case:	0603 (1608 Metric)

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Introduction

TVS - Varistors, MOVs are a type of surge protective device (SPD) which rapidly dissipates excess surge current when placed in series with a current carrying conductor. The B72500D50H160 is a type of TVS-Varistor with a maximum rated current of 160A, which is suitable for protecting cables and systems against electrical damage caused by overvoltage conditions. This article will discuss the applications of the B72500D50H160, along with its working principle.

Application Field

The B72500D50H160 is a high power MOV, and is suitable for use in applications where a higher surge current is required. It is typically used in industrial, marine or telecommunications applications in which a large amount of surge current is required. It can also be used in automotive applications, where it is used to protect the sensitive electrical components from damage due to high voltage surges. The B72500D50H160 can also be used in applications which require protection against over voltage spikes, such as lightning protection in telecommunications systems. In addition, these MOVs can be used in medical applications, where sensitive equipment needs protection from any excessive voltage that may be present.

Working Principle

The B72500D50H160 TVS-Varistor works by clamping the voltage to a safe level when an excessive voltage is present. This is achieved by the MOV changing its resistance when the material temperature exceeds the cut-off temperature set by its manufacturer. When the MOV is in its normal state, it has a relatively high resistance, allowing a small amount of current to flow. However, when the varying voltage exceeds the cut-off temperature, the MOV has a much lower resistance. This causes the excess voltage to be rapidly clamped to a much lower value.

Conclusion

The B72500D50H160 is a type of TVS-Varistor capable of protecting cables and systems from electrical damage caused by excessive voltage conditions. It can be used in a variety of applications, including industrial, marine and automotive applications. Its working principle is based on the MOV changing its resistance when the material temperature exceeds the cut-off temperature set by its manufacturer.

References

1. “SPD® Selection Guide.” 2009 ABB, Inc. 2. Ersa, O., “TVS; Varistor and MOV: What is the Difference?” 2009 Infineon Technologies GmbH.3. Taepitz, D., and Unger, S., “MOV Varistors: Permanent Operating and Maximum High Voltage Test Parameters.” 2006 Infineon Technologies GmbH. 4. "Lightning Protection Systems: An Overview." 2011 Lightning Protection Institute.

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