AK3-430C-BP Circuit Protection

Voltage - Clamping (Max) @ Ipp:	625V
Supplier Device Package:	AK
Package / Case:	Axial, Right Angle Bend (24.15mm Center)
Mounting Type:	Through Hole
Operating Temperature:	-55°C ~ 150°C (TJ)
Capacitance @ Frequency:	--
Applications:	General Purpose
Power Line Protection:	No
Power - Peak Pulse:	--
Current - Peak Pulse (10/1000µs):	3000A (3kA) (8/20µs)
Series:	AK
Voltage - Breakdown (Min):	440V
Voltage - Reverse Standoff (Typ):	430V
Bidirectional Channels:	1
Type:	Zener
Moisture Sensitivity Level (MSL):	--
Part Status:	Active
Lead Free Status / RoHS Status:	--
Packaging:	Bulk

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Introduction to TVS - Diodes

Transient Voltage Suppressor (TVS) diodes are used to protect integrated circuits (ICs) from voltage transients such as induced by electrostatic discharge (ESD), electrical overstress (EOS), voltage/current surges, and lightning. TVS diodes act as a clamping device for high voltage transients. They are designed to operate and protect over a variety of conditions.

AK3-430C-BP Application field and Working Principle

The AK3-430C-BP is a unidirectional TVS diode designed to protect components from voltage fluctuations in consumer electronics applications. Its working principle is based on the fact that a single diode can divide the circuit into two parts with different voltage levels, making it a stable current-limiting component.The AK3-430C-BP is designed to protect against very high voltages up to 500 volts in consumer electronics applications. It has low capacitance and low leakage current, allowing it to be used in low voltage and high frequency applications. It can withstand voltage transients up to 400 watts, and its low capacitance provides fast protection against voltage spikes.The AK3-430C-BP works by providing a short circuit current between its two terminals, clamping the voltage across them to a safe level. When the voltage across the diode exceeds its breakdown voltage, current will flow through it. This current is limited by the internal capacitance of the diode, which acts as an energy storage element and dissipates the energy of the voltage transient.As the current is limited to a safe level, the voltage across the terminals of the AK3-430C-BP is also limited. This clamping prevents the voltage from rising too high and damaging the downstream circuit components.In addition to its voltage transient protection, the AK3-430C-BP also offers protection from ESD. Its low leakage current also minimizes the risk of damage due to current overloading. The diode offers a wide range of operating temperatures, and its compact size makes it ideal for use in consumer electronics applications.

Conclusion

The AK3-430C-BP offers excellent protection against very high voltages and fast response for voltage transients in consumer electronics applications. Its fast response time and low leakage current protect the downstream components from damage due to voltage spikes. Its wide operating temperatures and small size make it well-suited for use in consumer electronics devices.

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