PMT825001

Series:	PMT8
Packaging:	Tray
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Voltage - DC Spark Over (Nom):	250V
Impulse Discharge Current (8/20µs):	20000A (20kA)
Tolerance:	--
Number of Poles:	3
Fail Short:	No
Mounting Type:	User Defined
Package / Case:	Cylinder No Lead, 3 Terminal

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Gas Discharge Tube Arresters (GDT) have been in use for many years, and are commonly used in applications where protection from electromagnetic interference (EMI) and radio frequency interference (RFI) is necessary. The PMT825001 is a special variety of GDT designed for high-frequency applications and is used to protect sensitive electronics from electromagnetic and radio-frequency radiation.The PMT825001 is a metal oxide gas discharge tube (GDT) arrester which utilizes a solid state construction consisting of metal oxide resistors that are designed to provide a low-impedance pathway for high-frequency electromagnetic waves. The majority of GDTs consist of two or more metal oxide varistors connected in series or parallel between two terminals which are connected to an input and an output of the GDT arrester. The PMT825001 is unique in that it consists of nine varistor elements in parallel, instead of the traditional two or more varistors, resulting in a lower input impedance and a higher peak current capacity.The PMT825001 is designed to have a highly linear voltage-current response under normal ambient conditions. When an overvoltage or surge occurs, the arrester responds by conducting the current to ground and providing the necessary protection. The GDT arrester will provide effective protection for high-frequency signals even when significant overvoltages are present, thus helping to prevent damage to sensitive electronics.The PMT825001 is designed to be installed in telecommunications systems and other high-frequency applications where protection from EMI and RFI is necessary. The arrester is used to protect sensitive electronics from radio frequency signals and overvoltages that can occur due to switches, lightning and other sources. The PMT825001 can also be used as a protector for CATV systems and other high fidelity signal paths such as audio and video.In addition to providing protection from EMI and RFI, the PMT825001 can also help reduce the effects of power-line harmonics and even surge currents from mains power supplies. This is achieved by the arrester’s ability to reduce the peak potential of the surge, while also limiting the duration of the surge. This allows high-frequency sensitive equipment to operate without experiencing excessive interference.The PMT825001 is constructed with special grade metal oxide resistors which offer a high degree of stability and reliability even under extreme conditions. The arrester is designed to withstand temperatures up to 125 degrees Celsius and is also designed to be resistant to humidity and other environmental factors. The device has a very low part-to-part variation which ensures consistent performance over time.The PMT825001 is a reliable and robust GDT arrester that is designed to provide effective protection from EMI and RFI in a wide variety of high-frequency applications. The arrester’s low input impedance and high surge current capacity make it suitable for use in telecommunications systems, CATV systems, and other sensitive signal paths. The arrester is designed to offer excellent stability and reliability and provides consistent performance in a variety of environmental conditions.

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