PESD5V0L1BSF,315

Current - Peak Pulse (10/1000µs):	3A (8/20µs)
Base Part Number:	PESD*L1B
Supplier Device Package:	DSN0603-2
Package / Case:	0201 (0603 Metric)
Mounting Type:	Surface Mount
Operating Temperature:	-55°C ~ 150°C (TA)
Capacitance @ Frequency:	12pF @ 1MHz
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	35W
Series:	--
Voltage - Clamping (Max) @ Ipp:	13.5V
Voltage - Breakdown (Min):	6V
Voltage - Reverse Standoff (Typ):	5.5V (Max)
Bidirectional 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

TVS Diodes, also called Transient-Voltage Suppression Diodes, are electronic components used to limit voltage transients on data and power lines. They are able to protect electronic equipment from damage when exposed to input voltages beyond normal operating levels. The term "TVS" is commonly used in the field of Power Electronics. These devices are primarily used to protect sensitive electronics from lightning, electrostatic discharges, and electrical surges caused by power faults.

PESD5V0L1BSF,315 Application Field and Working Principle

The PESD5V0L1BSF,315 series is a wide-ranging family of Transient-Voltage Suppression (TVS) Diodes designed to protect sensitive electronic equipment from damaging electrostatic discharges (ESD), electrical surges, and lightning. This diode series has a low voltage rating of 5V and a low capacitance of 1pF, meaning it is well suited for low voltage applications.The working principle of the PESD5V0L1BSF,315 is simple and effective. When an external voltage is applied to the diode, it turns on and provides a low impedance path for the current, preventing it from reaching sensitive circuits connected downstream. When the external voltage falls below the diode\'s breakdown voltage (Vbr) again, the diode turns off and no current can flow through it.

Advantages and Limitations

The PESD5V0L1BSF,315 has several advantages compared to other TVS Diodes. First, its low capacitance rating makes it particularly suitable for protecting low voltage applications. Second, its ultra-low leakage current allows it to be left in the circuit for a long time without any degradation or malfunction, even when a surge is not present. Finally, the diode has a low on-state voltage drop, meaning that it does not consume too much power when active.The diode also has certain limitations. It cannot provide adequate protection against very high voltage surges, and its peak current-handling capability may be insufficient in some cases. Additionally, its limited thermal dissipation capability may not be enough to withstand short duration high-energy spikes.

Conclusion

The PESD5V0L1BSF,315 series is a reliable and cost-effective solution for protecting sensitive electronic equipment from transient voltage disturbances. Its low voltage rating, low capacitance, ultra-low leakage, low on-state voltage drop and excellent peak surge-handling capability make it an ideal choice for low voltage applications. However, it is not suitable for protecting against very high voltage surges and may not be able to handle short duration surges with high energy levels.

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