74F1071MSA

Current - Peak Pulse (10/1000µs):	--
Base Part Number:	74F1071
Supplier Device Package:	20-SSOP
Package / Case:	20-SSOP (0.209", 5.30mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	0°C ~ 70°C (TA)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	800mW
Series:	--
Voltage - Clamping (Max) @ Ipp:	--
Voltage - Breakdown (Min):	--
Voltage - Reverse Standoff (Typ):	5V
Unidirectional Channels:	18
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Tube

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What is an 74F1071MSA?

74F1071MSA is a three-terminal transor protection device which is used for protecting against transient voltage surges in AC-DC power supplies. This highly efficient devices helps protect against surges which can cause damage to sensitive components, enable long-term reliable operation, and provide immunity from interferences or noise generated outside of the power supply.

Application Field of 74F1071MSA

74F1071MSA are used to protect AC-DC power supplies, and other circuits and components from over-voltage and electrostatic discharge (ESD) damage. They are also used for signal line suppression, with the help of two diodes connected internally in a single package. 74F1071MSA are suitable for the protection of data ports (DVPs), computer buses, cell phone antenna and charging ports, communication ports, and other potential sensitive interfaces.

Working Principle of 74F1071MSA

74F1071MSA consists of two internal diodes, which act as a guarding diode. One diode is connected in forward-bias direction and one in reverse-bias direction. This makes it suitable for the protection of data line across the wires, preventing the flow of ESD and other transient voltage surge between the two points. When a sudden surge in current is detected, the device limits the current to a safe level by forming a low resistance path through the reverse-biased diode, thereby suppressing ESD, over-voltage, and other transient surges. This device also acts as a current limiter, preventing any significant voltage drop across the device, thanks to its low on-state resistance. The 74F1071MSA also provides thermal and overcurrent protection, so that it can manage and protect the power supply system from any abnormal conditions, under any situation. This makes the device more reliable and efficient for long-term operations.

Conclusion

74F1071MSA is a three-terminal transor protection device made by Toshiba which is used to protect AC-DC power supplies, circuits, and components from over-voltage and ESD damage. It consists of two internal diodes in a single package, providing thermal and over current protection. It is very suitable not just for power supply protection but also for signal line suppression. It is highly reliable, efficient, and suitable for long-term operations.

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