PESD18VV1BSFYL

Current - Peak Pulse (10/1000µs):	1A (8/20µs)
Supplier Device Package:	DSN0603-2
Package / Case:	0603 (1608 Metric)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C (TJ)
Capacitance @ Frequency:	0.28pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Series:	--
Voltage - Clamping (Max) @ Ipp:	16V
Voltage - Breakdown (Min):	19V
Voltage - Reverse Standoff (Typ):	18V (Max)
Bidirectional Channels:	1
Type:	Zener
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction

Transient Voltage Suppressor (TVS) Diodes are a type of semiconductor diode designed to protect a circuit from transient overvoltage surges. The PESD18VV1BSFYL is a bidirectional TVS diode from Infineon Technologies AG, designed to provide overvoltage protection to I/Os and power supply ports. The device comes in a small and low profile SMD SOT-23 package and is suitable for use in automotive and mobile applications. This article will discuss the application field and working principle of the PESD18VV1BSFYL.

Application Field

The PESD18VV1BSFYL is a bidirectional transient voltage suppressor that can provide overvoltage protection for a wide range of voltage levels. It is designed to protect I/Os and power supply ports from voltage transients due to electrical fluctuations or ESD. The device is fabricated in an ultra-small and low profile SOT-23 package, making it suitable for use in applications that require a high degree of space efficiency. It is specifically designed for use in automotive, mobile and other applications that require high-fidelity performance and consistent protection against transient surges. This makes the PESD18VV1BSFYL an ideal choice for applications requiring reliable overvoltage protection.

Working principle

The PESD18VV1BSFYL is designed to provide overvoltage protection for a wide range of voltages. The device is a bidirectional suppressor, which means it can protect both terminals from overvoltage. The device works by suppressing the voltage spike and preventing it from damaging the circuit. Additionally, the device can also limit the voltage in a circuit by diverting the current away. The device consists of an integrated diode and a resistor network, which are connected in series. The diode is designed to activate when the voltage in the circuit reaches the breakdown voltage. When this happens, the diode will become forward biased and start to conduct. The resistor network is designed to limit the current flow through the diode, which will protect the diode from being damaged.

Conclusion

The PESD18VV1BSFYL is a bidirectional TVS diode from Infineon Technologies AG, designed to provide reliable overvoltage protection. The device comes in a small and low profile SMD SOT-23 package and is suitable for use in automotive and mobile applications. Its working principle involves an integrated diode and a resistor network that limit the current flow when the voltage in the circuit reaches the breakdown voltage. This device is an ideal choice for applications requiring reliable protection against overvoltage transients.

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