3KP7.0-B

Voltage - Clamping (Max) @ Ipp:	12.6V
Supplier Device Package:	P600
Package / Case:	P600, Axial
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 175°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	3000W (3kW)
Current - Peak Pulse (10/1000µs):	250A
Series:	3KP
Voltage - Breakdown (Min):	7.37V
Voltage - Reverse Standoff (Typ):	7V
Unidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Obsolete
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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TVS - DiodesAccording to statistics, TVS (transient voltage suppressor) diodes are estimated to be used in over 1.7 billion consumer electronic and automotive products. These diodes are widely used to support surge protection, EMI/EMC protection, and overvoltage protection solutions for automotive, communication, medical, as well as consumer markets. TVS diodes are able to quickly and safely dissipate large amounts of electric energy. Moreover, they are designed to provide overvoltage protection and offer periodic voltage stabilization. The 3KP7.0-B series from Littelfuse is a good example of TVS diodes.Application Field3KP7.0-B TVS diodes are used in automotive and consumer electronics. They act as surge protection devices, offering overvoltage protection for materials and components exposed to extreme environmental conditions. This series from Littelfuse protects CAN bus, video, audio, IP and other lines. Typically, this type of diode is placed against DC link, capacitor and input and output voltage terminals so as to provide protection against voltage pulses. The 3KP7.0-B series provides a high level of protection for in-vehicle microprocessors, radios, navigation systems, etc. Moreover, 3KP7.0-B is used in communications networks, heating/cooling systems controllers, digital televisions, and other electronic circuits.Working PrincipleTVS diodes, such as the 3KP7.0-B series, use a cross-NPN/PNP diode configuration to provide surge protection. This configuration creates a low impedance when the voltage peaks to beyond the diode’s breakover voltage, clamping it to a safe value. Clamping voltage levels depend on device type and diode series, with most devices having clamping voltages between 2 and 9 volts.The 3KP7.0-B series uses a thyristor structure for electrical fast voltage transients. During operation, the diode acts like a resistor with a low-impedance circuit current. When a transient surge occurs, the device quickly responds and begins operation as a thyristor. It then becomes a short circuit, allowing the transient voltage to be clamped to a safe value. After the surge is gone, the thyristor becomes an open circuit again, allowing the circuit to continue operating normally.In conclusion, 3KP7.0-B TVS diodes offer advanced design features and superior performance in order to protect electronics from voltage transients. They are easy to install, available in a variety of packages, and provide excellent protection from voltage spikes that could damage or destroy costly electronic components. By providing surge protection and continuous overvoltage protection, the 3KP7.0-B series saves time and money by preventing damage to circuitry and components caused by electrical transients.

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