TZX4V3D-TR

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Diodes - Zener - Single: TZX4V3D-TR

The TZX4V3D-TR is a single zener diode with a wide range of applications. This diode ensures superior thermal stability and optimized dynamic characteristics, making it a great choice for overload protection and signal processing in a variety of industrial and consumer electronics. When it comes to functionality, the TZX4V3D-TR is the perfect choice for a number of engineering applications.

Structure of the Diode

The TZX4V3D-TR is a single-zener diode that consists of two pins, an anode and a cathode. It is constructed with a robust SOD-323 package that ensures reliable connections with other components. Additionally, the integrated clip makes soldering fast and easy.

Applications of the TZX4V3D-TR

The TZX4V3D-TR is ideally suited for a variety of engineering applications. It offers superior thermal stability and optimized dynamic characteristics, making it a perfect choice for overload protection. It is also suitable for applications such as signal processing, where is it able to provide accurate voltage regulation as well as protection.

The TZX4V3D-TR can be used in a wide range of consumer electronics, such as color TVs, VCRs, car radios, digital cameras, mobile phones and computers. Additionally, it can be used in professional audio and communications equipment.

Working Principle

The TZX4V3D-TR utilizes a simple two-terminal reverse, voltage protection circuit. When a reverse voltage is applied to the diode, it produces a short-circuit current that limits the connected circuit and this protects the circuit from any potential current spikes.

The voltage-current characteristic of a Zener diode is given by the Zener breakdown equation which states that:

I_Z = I_Z0 * exp(V_Z/V_T)

where I_Z is the current through the diode and I_Z0 is the reverse saturation current, V_Z is the zener voltage and V_T is the temperature-dependent threshold voltage.

In the case of the TZX4V3D-TR, the Zener voltage is nominally 4V and it guarantees a relatively constant current across the diode from the power supply, regardless of voltage variations. When a reverse voltage is applied, the current through this diode decreases according to the Zener breakdown equation, thereby protecting the connected circuit.

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