TPC20HM3/87A

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A transient-voltage-suppression diode, commonly known as a TVS diode, is a specialized type of diode used to protect sensitive electronics from high-voltage spikes or transients. The TPC20HM3/87A is a TVS diode in a very small SOD-323 package. It is a bidirectional ESD device designed for general use. It can withstand up to 20 kilovolts (kV) of ESD, making it ideal for telecommunication applications.

The TPC20HM3/87A is a low capacitance diode which makes it ideal for protecting signal lines of microcontrollers, logic circuits, and other microelectronic systems from damage due to high-voltage transients. It has a low breakdown voltage of 5.8 Volts, which means that it can protect partially-charged components from damage. The device is also designed to be resilient to electrostatic discharge (ESD). This means that even if the user makes contact with a charged object, the protection circuit will be able to withstand the voltage surge.

The TPC20HM3/87A has typical clamping voltage of 6.7V and can dissipate up to 3.2W with 8/20 microsecond surge. The TPC20HM3/87A also features a low leakage current, allowing it to protect sensitive electronics without degrading their performance. It also features fast response time of less than 1 nanosecond and low capacitance which makes it ideal for protecting high-speed signal lines from EMI/RFI interference and transients. It also has an operating temperature range of -55°C to + 125°C for use in wide variety of temperature conditions.

The working principle of the TPC20HM3/87A is relatively straightforward. When a transient voltage which exceeds the maximum breakdown voltage of the diode is applied, the diode will conduct current in the opposite direction, directing the current away from the sensitive components and dissipating the transient as heat. This helps protect the components from damage and allows the circuit to operate without interruption.

The TPC20HM3/87A is a versatile device which can be used in many different applications. It is commonly used in telecommunications and industrial applications, where transients can be a major issue. It is also used in consumer electronics, automotive electronics, and medical equipment, as the low capacitance ensures that high-speed signals can be reliably protected.

In summary, the TPC20HM3/87A is a very effective, low-cost solution for protecting sensitive electronics from high-voltage transients or surges. With its low breakdown voltage, rugged construction, and high ESD tolerance, the TPC20HM3/87A is an ideal choice for a wide range of industrial, consumer, and medical applications. It is a versatile device which can be used to protect high-speed signal lines, partially-charged components, and general electronics from damage due to ESD or transients.

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