1PMT28AT1

Series:	--
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	28V
Voltage - Breakdown (Min):	31.1V
Voltage - Clamping (Max) @ Ipp:	45.4V
Current - Peak Pulse (10/1000µs):	--
Power - Peak Pulse:	1000W (1kW)
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	--
Operating Temperature:	-55°C ~ 150°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	DO-216AA
Supplier Device Package:	Powermite
Base Part Number:	1PMT**A

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TVS - DiodesTVS (Transient Voltage Suppressor) diodes are used for protection circuits in electronic and electrical systems. The 1PMT28AT1 from Shimge is a unidirectional overvoltage protection circuit of this type. It has a reverse break voltage of 28V, low capacitance and low VBR across the full specified temperature range, making it an ideal choice for protecting sensitive circuits against voltage spikes and ESD.The 1PMT28AT1 works by consuming excess energy from a voltage spike. When a voltage spike occurs, the diode will quickly absorb the energy before dissipating it as heat. This protects the connected device from over-voltage damage, as the excess energy is consumed before it can damage any sensitive components. As the energy is consumed and dissipated as heat, the diode will effectively discharge and drop out of circuit, allowing the device to continue functioning within its designed voltage levels.The protection afforded by the 1PMT28AT1 makes it suitable for a wide range of applications. These include protection of ICs, circuits and systems from over-voltage damage, protection of automotive electronics, protection of electronic equipment from ESD, and other similar applications.In order to effectively protect against fault conditions, the 1PMT28AT1 must be used in conjunction with other protection components, such as fuses and thermal cut-offs. It must also be connected to an appropriate circuit ground, as well as the ground of any protected device to ensure that the fault current is diverted to a safe location.The 1PMT28AT1 is also designed to provide reverse polarity protection. In the event that the polarity of the applied voltage is reversed, the diode will switch-off, preventing any further current flow and ensuring that no damage is done to the connected device.Overall, the 1PMT28AT1 is a highly reliable and cost-effective diode for providing over-voltage and ESD protection. With its low reverse break voltage of 28V, low capacitance and low VBR across the temperature range, it offers excellent protection for all types of electronic devices. The diode is also well suited for a wide range of applications, making it a great choice for protecting sensitive systems from voltage spikes and ESD.

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