PACDN043Y4R

Current - Peak Pulse (10/1000µs):	--
Base Part Number:	PACDN04*
Supplier Device Package:	SOT-143-4
Package / Case:	TO-253-4, TO-253AA
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Series:	--
Voltage - Clamping (Max) @ Ipp:	8V
Voltage - Breakdown (Min):	6.2V
Voltage - Reverse Standoff (Typ):	5.5V
Unidirectional Channels:	3
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS (Transient Voltage Suppressor) Diode

Transient Voltage Suppressor diodes are important components in modern-day electronic equipment, such as TVs, computers, phones and other devices. They are designed to protect sensitive electronic components from electrostatic discharges, voltage surges and overvoltage conditions. The PACDN043Y4R is one of the TVS diodes available today and is mainly used in power supplies and other sensitive electronic equipment. It is designed to sink (absorb) or source (supply) a specified amount of current to protect such equipment from potential damage.

The Application Field of PACDN043Y4R

The PACDN043Y4R is a small, low-cost device that is mostly used to protect equipment from electrostatic discharges or ESDs, as well as from voltage surges, overvoltages, and other potentially damaging events. It can also be used in high-speed power supplies, such as those found in televisions, computers, and other electronic devices. Generally, the PACDN043Y4R is used to protect sensitive electronics from the effects of high voltages that may be present in the environment, such as lightning strikes and power line abnormalities.

The Working Principle of PACDN043Y4R

The PACDN043Y4R works by limiting the voltage level of the current that passes through it. When the voltage level exceeds the specified limits, the device triggers and begins sinking the excess current. This process effectively protects the sensitive electronics from spikes in arcing and other high voltage conditions. The current-sinking capability of the PACDN043Y4R is limited and so there is a risk of catastrophic failure if the current is too high.The device features an on-state capacitance of roughly 8pF, and its dynamic resistance is a low 200mΩ or less. This feature helps the PACDN043Y4R to provide a clean switching response whereby it absorbs the voltage spikes at a much lower rate than other TVS devices. The PACDN043Y4R is also fairly simple to install and requires very little maintenance. Furthermore, it’s designed to be compatible with many industry-standard components.

Conclusion

The PACDN043Y4R is a small, low-cost TVS diode designed to protect sensitive electronics from high voltages and surges. It’s a useful device that is easy to install and requires very little maintenance. Its low dynamic resistance and on-state capacitance are some of the features that make it a great choice for many electronic applications. In conclusion, the PACDN043Y4R is a versatile device that can be used to protect a wide range of electronics from voltage spikes and other potentially damaging events.

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