ESDA8V2-1J Circuit Protection

Series:	ESDA, TRANSIL™
Packaging:	Tape & Reel (TR)
Lead Free Status / RoHS Status:	--
Part Status:	Active
Moisture Sensitivity Level (MSL):	--
Type:	Zener
Unidirectional Channels:	1
Voltage - Reverse Standoff (Typ):	5V
Voltage - Breakdown (Min):	8.2V
Voltage - Clamping (Max) @ Ipp:	20V
Current - Peak Pulse (10/1000µs):	25A (8/20µs)
Power - Peak Pulse:	500W
Power Line Protection:	No
Applications:	General Purpose
Capacitance @ Frequency:	210pF @ 1MHz
Operating Temperature:	-40°C ~ 125°C (TJ)
Mounting Type:	Surface Mount
Package / Case:	SC-76, SOD-323
Supplier Device Package:	SOD-323
Base Part Number:	ESDA8V2

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Overview

TVS diodes, such as the ESDA8V2-1J, are designed to protect sensitive electronics from the damage caused by transient voltage events, such as electrostatic discharge (ESD) or electrical power surges. By understanding the application field and working principle of the ESDA8V2-1J, users can better equip their electronic systems with the appropriate protection.

Application Field

The ESDA8V2-1J is a bidirectional protection device offering 8V of breakdown voltage protection and 1J of energy dissipation. Common applications include use in portable electronic devices, data communications equipment, automotive systems, and other electronics needing transient voltage surge (TVS) protection.The ESDA8V2-1J is designed to clip the voltage to a safe level, preventing possible damage to the protected electronic component. The use of the device has been proven sufficient for preventing permanent damage caused by ESD and other transient voltage events.

Working Principle

The ESDA8V2-1J is a diode-based transient voltage suppression (TVS) device that uses an avalanche breakdown mechanism to shunt away voltage spikes. When a transient voltage event occurs, the voltage is applied to the diode, forcing electrons over the junction barrier. This creates a large number of heated electrons, creating what is known as an avalanche breakdown.The avalanche breakdown leads to the creation of a conducting channel between the two leads of the diode, with has a clipping effect on the transient voltage. Any energy stored in the transient voltage is dissipated through the diode, which acts as a heat-sink. The voltage is thus safely lowered to a safe level.

Features and Benefits

The ESDA8V2-1J has a number of features that make it an ideal solution for transient voltage surge protection. Most notably, it provides a high degree of protection against ESD and other transient voltage events. Further, the diode-based protection mechanism ensures a fast response time, as well as a wide range of protection voltage.The ESDA8V2-1J also offers low leakage current and capacitance levels, as well as low static parasitic resistance. These features help ensure that the protected device remains functioning as expected even after a transient voltage event.The device’s low capacitance values and low resistance levels also ensure that data transmission remains intact. This is of particular importance for systems in the communications industry, such as telecommunications networks and data center systems.Overall, the combination of the fast response time, ESD protection, low leakage current, and low parasitic resistance makes the ESDA8V2-1J an ideal solution for a range of applications.

Conclusion

The ESDA8V2-1J TVS diode is a reliable form of protection for electronics against potential damage from transient voltage events. The device’s innovative diode-based protection mechanism ensures fast response times and reliable protection, while the low capacitance and resistance values ensure minimal disruption to the system during operation. As such, the ESDA8V2-1J is a great choice for any system needing protection from ESD and other transient voltage events.

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