PESD15VS1UBF Circuit Protection

Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Supplier Device Package:	SOD-523
Package / Case:	SC-79, SOD-523
Mounting Type:	Surface Mount
Operating Temperature:	150°C (TJ)
Capacitance @ Frequency:	32pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	160W
Series:	--
Voltage - Clamping (Max) @ Ipp:	40V
Voltage - Breakdown (Min):	17.6V
Voltage - Reverse Standoff (Typ):	15V (Max)
Unidirectional Channels:	1
Type:	Zener
Lead Free Status / RoHS Status:	--
Part Status:	Active

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TVS - Diodes - PESD15VS1UBF Application Field and Working Principle

Transient voltage suppressor (TVS) diodes are components that are designed to protect a device from overvoltage, electrical transients, and surge events. The PESD15VS1UBF is a unidirectional TVS diode designed to protect sensitive circuits from voltage transients caused by lightning, electrostatic discharge, and other events. This article will explain the application field and working principle of this diode.

Application Field

The PESD15VS1UBF is a unidirectional TVS diode that is designed to protect sensitive circuits from voltage transients caused by lightning, electrostatic discharge, and other events. It is a popular choice for use in automotive, industrial, and medical applications, as well as consumer electronics, such as cell phones and other portable devices. Additionally, it can be used in various consumer circuits such as power supplies, consumer electronics, and industrial/automotive systems. The device is designed to provide a high surge current and low capacitance to reduce the impact of ESD on the sensitive application. It is a RoHS compliant device and is housed in a compact SOT-23 package for ease of installation.

Working Principle

The PESD15VS1UBF operates on the principle of a Zener junction diode which is designed to clamp the voltage of the incoming voltage transient during an overvoltage or surge event. When this occurs, the diode is able to withstand a maximum operating voltage of 5.5 V and a maximum working voltage of 5.0 V. When the voltage exceeds these limits, the PESD15VS1UBF will rapidly turn on and clamp the surge voltage. The device will then redirect the current, thereby protecting the circuit from any damage or malfunctioning. The device also has a low capacitance which reduces the effect of the interfering signals on the protected circuit. The PESD15VS1UBF also has a low average forward voltage, making it ideal for use in supply circuits. The device has a variety of features that make it a great choice for various applications. It has a low breakdown voltage, low capacitance, high surge current, and high surge current capability. Additionally, the device is RoHS compliant which makes it suitable for use in environments where hazardous substances are present.

Conclusion

The PESD15VS1UBF is an ideal choice for protecting sensitive circuits from voltage transients caused by lightning, electrostatic discharge, and other events. It operates on the principle of a Zener junction diode which is designed to clamp the voltage of the incoming voltage transient during an overvoltage or surge event. It is a RoHS compliant device and is housed in a compact SOT-23 package for ease of installation. It has a low breakdown voltage, low capacitance, high surge current, and high surge current capability. These features make it an ideal choice for various applications in automotive, industrial, and medical applications, as well as consumer electronics, such as cell phones and other portable devices.

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