1.5KE350A-E3/73

Voltage - Clamping (Max) @ Ipp:	482V
Supplier Device Package:	1.5KE
Package / Case:	DO-201AA, DO-27, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	1500W (1.5kW)
Current - Peak Pulse (10/1000µs):	3.1A
Series:	TransZorb®
Voltage - Breakdown (Min):	333V
Voltage - Reverse Standoff (Typ):	300V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Tape & Box (TB)

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TVS - Diodes

Transient Voltage Suppression (TVS) diodes are used to protect electronic circuits from overloads, damage, and destruction due to voltage spikes or transients. They are often referred to as voltage clamping or transient protection diodes.The 1.5KE350A-E3/73 TVS diode is a three line symmetric suppression bi-directional diode designed to protect against voltage transients up to 300W peak power. It is designed for applications requiring an extremely low dynamic resistance, low clamping voltage, and fast response time.

Application Field

The 1.5KE350A-E3/73 TVS diode is suitable for protecting sensitive components from voltage transients and surges typically found in a variety of applications such as data or signal line protection for USB, VGA, Ethernet, and audio/video equipment, as well as general-purpose protection of consumer devices, computer peripheral circuitry, and industrial applications.

Working Principle

When exposed to an over-voltage, a TVS diode rapidly begins to conduct current with a nearly ideal clamping voltage. It operates by limiting the maximum transient voltage level. The current conduction occurs almost instantly and the parasitic capacitance of the TVS diode is kept at a minimum to ensure minimal propagation delay. When the over-voltage condition dissipates, the TVS diode will switch off and return to its non-conducting state. Due to the precise manufacturing process, the TVS diode also exhibits soft recovery characteristics and low clamping voltages, making it ideal for fast switching applications.

Conclusion

The 1.5KE350A-E3/73 TVS diode is designed to protect against electrical transients and surges, providing reliable protection for sensitive components and circuits. With its low dynamic resistance, low clamping voltage, and fast response time, the diode works to rapidly absorb excess voltage and dissipate most of the current generated by voltage spikes before it can damage any connected circuitry. This makes it an ideal protection solution for a wide variety of applications.

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