DF2S24UCT,L3F Circuit Protection

Current - Peak Pulse (10/1000µs):	--
Supplier Device Package:	CST2
Package / Case:	SOD-882
Mounting Type:	Surface Mount
Operating Temperature:	150°C (TJ)
Capacitance @ Frequency:	1.6pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Series:	--
Voltage - Clamping (Max) @ Ipp:	--
Voltage - Breakdown (Min):	22V
Voltage - Reverse Standoff (Typ):	19V (Max)
Unidirectional Channels:	1
Type:	Zener
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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DF2S24UCT,L3F Application Field and Working Principle

TVS (Transient Voltage Suppressor) diodes is the general name of surge protection products. These products are designed to protect sensitive electronic circuits from voltage spikes/transients such as those generated by lightning or switch-mode power supplies. The DF2S24UCT,L3F TVS diode is a unipolar device which can be used to protect, for example, data interfaces, digital or analog paths, and other electronic circuits against voltage transients caused by lightning, hot-swap, and inductive loads.

I. Overview

The DF2S24UCT,L3F TVS diode is a unipolar device specifically designed to protect electronic circuits from voltage spikes/transients. It is designed to reduce the amplitude of the transient to a safe level while clamping the voltage to the supply rail. The voltage clamping is achieved by a reverse-biased junction diode with a carefully designed avalanche voltage characteristic. The DF2S24UCT,L3F is rated to operate over avoltage range of 6 V to 24 V. It has built in protection against ESDs, electrical fast transients (EFTs) and surge protection (SPD) per IEC 61000-4-2 (ESD), IEC 61000-4-4 (EFT) and IEC 61000-4-5 (surge).

II. Working Principle

The DF2S24UCT,L3F contains one unipolar silicon avalanche diode. An avalanche diode functions by allowing electrons to break down the P-N junction of the diode when a highly reverse-biased voltage is applied. The electric field across the junction is strong enough to break the covalent bonds of some of the atoms, creating free electrons and holes. This process is called avalanche breakdown.The avalanche voltage of the DF2S24UCT,L3F is carefully designed to clamp the transient voltage to the safe operating voltage of the circuit. An example of the clamping action is when a transient voltage of 27 V is applied to the DF2S24UCT,L3F. The forward voltage of the diode will activate and the transient voltage is clamped to the rated voltage of 24 V. The low capacitance and slew rate is designed to limit the surge current and prevent the transmission of the transient voltage through a data line. The combination of the low capacitance with the avalanche voltage breakdown ensures the protection of a circuit from transient voltages.By leveraging its avalanche diode technology, the DF2S24UCT,L3F is able to provide fast, reliable, and effective surge protection. The TVS diode is ideal for protecting data interfaces, analog paths, and digital paths. It is especially useful for applications in areas prone to lightning strikes, ESDs, EFTs, or surges like outdoor LED lights.

III. Advantages

The DF2S24UCT,L3F TVS diode has many advantages. First, it provides fast response time. Its low capacitance and high slew rate limit the surge current and prevent the transmission of the transient voltage through the data line. Its avalanche diode technology ensures the protection of the circuit from voltage transients.The DF2S24UCT,L3F also has superior ESD and EFT protection. It is designed to protect against electrical events caused by lightning, hot-swap, and inductive loads. And thanks to its avalanche diode technology, it is able to reliably protect against voltage transients.The DF2S24UCT,L3F is also very easy to use. It has a wide operating voltage range of 6V to 24V, it is rated for industrial temperature ranges, and it is RoHS compliant. The device itself is small in size, making it easier to integrate within a circuit. Finally, the DF2S24UCT,L3F is very cost-effective. In comparison to other surge protection solutions, it is a much less expensive option. This makes it an ideal option for many applications.

IV.Conclusion

The DF2S24UCT,L3F has many advantages which make it the ideal surge protection device for many applications. It is fast, reliable, easy to use, and cost-effective. It is designed to protect against voltage transients caused by lightning, hot-swap, and inductive loads. It is also small in size, making it easy to integrate within a circuit. Overall, the DF2S24UCT,L3F is the perfect device for providing effective and cost-effective surge protection.

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