90065-016

Series:	DB
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Maximum AC Volts:	320V
Varistor Voltage (Min):	462V
Varistor Voltage (Typ):	510V
Varistor Voltage (Max):	539V
Current - Surge:	22.5kA
Energy:	350J
Number of Circuits:	1
Operating Temperature:	--
Mounting Type:	Chassis Mount
Package / Case:	Chassis Mount, Blade Terminals

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TVS - Varistors, MOVs

Varistors, MOVs, and other voltage-dependent varistors (TVS) are a type of device used to protect circuits from overvoltage spikes or surges. The 90065-016 is one such device. This article will discuss the application field and working principle of the 90065-016.The 90065-016 is an uni-directional transient voltage suppression (TVS) device specifically designed for the protection of 18/24V automotive and commercial grade AC systems used in applications like power supplies, lighting ballasts, and LED driver designs. It provides protection against electrical transients in circuits that can range from large voltage spikes to more subtle disturbances.The device features dual operating modes: Steep-Clip and Shunt. When in Steep-Clip mode, the 90065-016 clamps the voltage to a less than 40V level. This mode is applied when a large transient spike is detected by the device. Alternatively, the 90065-016 provides Shunt protection, where it shunts the current away from protected components during a sustained overvoltage situation. When it comes to protection specifications, the 90065-016 is UL® 1283 rated for 3kV 2-spike and 4kV 5-pulse protection. It can withstand continuous voltages up to 36V, with a maximum peak pulse current up to 4A. Additionally, it is rated for operation temperatures ranging from -55°C to 125°C.When it comes to the actual working principle of the 90065-016, it can be explained using the following diagram. The 90065-016 contains a pair of metal oxide Varistors (MOVs). These two MOVs act like a switch and are connected in series. Under normal voltage levels, the two MOVs remain closed, allowing the current to flow between them. However, in the event of an overvoltage spike, one or both MOVs will switch open diverting the current away from the protected circuitry.In summary, the 90065-016 is a uni-directional transient voltage suppression (TVS) device designed for 18/24V automotive and commercial grade AC systems. It features dual operating modes (Steep-Clip and Shunt) and provides UL® 1283 rated protection for 3kV 2-spike and 4kV 5-pulse conditions. The device also has a maximum continuous voltage rating of 36V and operates within a temperature range from -55°C to 125°C. Its working principle can be described by an MOV in series configuration, which acts like a switch to divert the current away from protected components when needed.

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