UPT28RE3/TR7

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TVS - Diodes are widely used for protection against electrical transients that can occur on printed wiring boards, and in particular they are useful for protecting electronic devices from the damaging currents of Electro Static Discharge (ESD). In this article, we will discuss the application field and working principle of the UPT28RE3/TR7.

The UPT28RE3/TR7 is a surface mount Transient Voltage Suppression (TVS) diode. It features 5.0 Volts maximum breakdown voltage and an ultra-low incremental clamping voltage. This device is sensitive to Electro Static Discharge and offers effective protection against voltage transients such as ESD and lightning. The diode is designed for use in automotive and telecommunications applications, as well as in portable electronic products like cell phones and PDAs.

The UPT28RE3/TR7 is an ultra-low profile (0.64mm height) with a low forward voltage design. It has a high surge capability of 22 industrial Amps (IEC 61000-4-5) with bidirectional protection. This transient voltage suppression diode is ideally suited for use in automotive modules, digital cameras, gaming consoles, cell phones, PDAs, and other handheld devices. The device is also suitable for use in automotive systems, such as Keyless Entry, Collision Avoidance, Adaptive Cruise Control, and Lane Departure Warning.

The UPT28RE3/TR7 features a built-in ESD protection diode, which helps protect electronic devices against voltage transients such as Electro Static Discharge, lightning, and other transient surges. The device features a low forward DC operating voltage, which enables efficient power supply protection. When the device is exposed to ESD above its nominal working voltage, the diode will attempt to shunts the surge current to ground. This prevents the transient surge or ESD from damaging sensitive electronic components.

Another benefit of the UPT28RE3/TR7 is that it can help reduce electromagnetic interference (EMI), which can be caused by high-speed switching systems. By installing the diode in the power supply line, it can help absorb any electrical noise that may be emitted from the switching circuit. This helps to reduce emissions of unwanted radio frequency interference (RFI) signals.

In conclusion, the UPT28RE3/TR7 is an ideal choice for protection against electrical transient voltage surges such as ESD, lightning, and RFI and EMI. The diode has a low forward voltage, high surge capability, and ultra-low profile (0.64mm height) that make it suitable for a variety of applications in automotive, telecommunications, and portable electronic products.

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