PUSB3FR6Z Circuit Protection

Voltage - Clamping (Max) @ Ipp:	3V (Typ)
Supplier Device Package:	7-XSON (1.1x2.1)
Package / Case:	7-XFDFN
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C (TA)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	5A (8/20µs)
Series:	--
Voltage - Breakdown (Min):	6V
Voltage - Reverse Standoff (Typ):	3.3V (Max)
Unidirectional Channels:	6
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Reel (TR)

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TVS - Diodes: PUSB3FR6Z Application Field and Working Principle

TVS diodes are a type of protection device that helps to safeguard sensitive electrical and electronic components from excessive voltage, high electrical energy, and electrostatic discharges. These devices are often referred to as transient voltage suppressors (TVS) or transient voltage suppressor diodes (TVSD).The PUSB3FR6Z is a unidirectional surpressor diode designed by Vishay Intertechnology specifically to protect against the fast transients induced by electrostatic discharge (ESD) and other surges. It is in a SOD624 SMD package and has a very small capacitance of 2.5pF. This makes it ideal for use in consumer electronic applications such as smartphones, laptops, and automotive electronics.It is also designed for EMI/RFI filter applications due to its high transient energy response. The PUSB3FR6Z can handle up to 130 watts of power which is adequate for most industrial applications. It has a fast response time of less than 8ns and a breakdown voltage of 6V with nearly perfect clamping of up to 7V. This makes it an ideal device for protecting sensitive components from overvoltage or ESD events.The PUSB3FR6Z is a dual-technology diode featuring an internal diode and an external Zener diode. This duality gives the part two modes of operation: protection from electrostatic discharges and protection from electrical overstress.The internal diode is responsible for providing protection against electrostatic discharges. This is done by clamping any overvoltage on the protected line within the diode’s maximum breakdown voltage.The external Zener diode provides protection from electrical overstress (EOS). This occurs when there is a voltage surge and the PUSB3FR6Z will clamp the voltage before it can cause damage to the protected component. To summarize, the PUSB3FR6Z can be used to protect sensitive electrical and electronic components from excessive voltage, high electrical energy, and electrostatic discharges. It is suitable for use in applications where EMI/RFI noise filtering is required, and it features a fast response time, high energy handling capacity, and breakdown voltages of up to 7V. By utilizing its dual-technology feature, it can provide protection from both ESD events and electrical overstress.

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