SLD22U-017

Voltage - Clamping (Max) @ Ipp:	35.5V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	Automotive
Power Line Protection:	No
Power - Peak Pulse:	5000W (5kW)
Current - Peak Pulse (10/1000µs):	143.7A
Series:	Automotive, AEC-Q101, SLD
Voltage - Breakdown (Min):	24.4V
Voltage - Reverse Standoff (Typ):	22V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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Introduction to TVS – Diodes

Transient Voltage Suppressors (TVS) are devices generally used in circuits to protect them from high or low voltage transients or spikes. They are also known as transient voltage suppressor diodes, surge arresters, suppressor diodes or clamp diodes. In this article, we will look at the application field and working principle of one such TVS – the SLD22U-017.

Application Field of the SLD22U-017

The SLD22U-017 is a unidirectional transient voltage suppressor designed to protect circuits with operating voltage up to 17V. It is suitable for applications such as automotive electronics, industrial computing, telecom, consumer electronics and medical equipment. It can also be used in DC–DC converters that supply a variety of the inputs such as Lithium-Ion batteries, microprocessors and AC mains.The SLD22U-017 features a low capacitance of 0.05pF, meaning it is suitable for high frequency applications such as USB 3.0 and Ethernet. It is also plastic-free, compliant with RoHS and AEC-Q101 standards, making it a reliable choice for a wide variety of applications.

Working Principle of the SLD22U-017

The SLD22U-017 is a unidirectional programming type TVS diode that operates on the principle of avalanche breakdown. As the voltage across it increases, electrons are accelerated in the junction and knocked off other electrons, leading to an increase in the current. This increase in current causes an avalanche breakdown, which reduces the voltage significantly above the breakdown voltage of the diode.The SLD22U-017 also features low clamp ratios, meaning that the difference between the breakdown voltage and the clamp voltage is small, thus providing a tighter clamp for protection against high surges.When a surge occurs, the SLD22U-017 rapidly clamps the voltage to a level below the breakdown voltage. It also has a fast recovery time, meaning it can quickly react and protect your circuit from damages caused by overvoltage or undervoltage.

Conclusion

The SLD22U-017 is a unidirectional TVS diode designed for applications with voltage up to 17V. It is suitable for a wide range of applications, such as automotive electronics, industrial computing, telecom, consumer electronics and medical equipment. It is plastic-free, compliant with RoHS and AEC-Q101 standards, and can protect against high voltage transients or spikes. It operates on the principle of avalanche breakdown and features low clamp ratios and fast recovery times.

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