SMBG5379B/TR13

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Diodes are semiconductor devices that play a pivotal role in electronic circuits, often serving as a rectifier, voltage regulator, signal mixer, or switch. Zener diodes are a special type of diode that utilizes the Zener effect unlike conventional diodes, typically used for voltage regulation and other specialized applications. The SMBG5379B/TR13 is a single zener diode that is commonly used in signal mixing applications and provides the user with excellent current and temperature stability.

The SMBG5379B/TR13 is rated at 1.3V, with an operating current of 200mA. This device is designed to achieve a maximum Zener resistance stability (ZRS) of 0.005 ohms. It is constructed from a single piece of silicon and utilizes a low temperature coefficient which provides superior temperature stability and lower noise performance.

The SMBG5379B/TR13 also features excellent forward and reverse current leakage, as well as a relatively low capacitance and excellent thermal stability. These characteristics make the device well-suited for use in signal-mixing circuits and other sensitive applications. Additionally, the device can be used in reverse blocking applications to prevent current from flowing in the reverse direction, providing excellent protection against voltage spikes and other transient conditions.

The SMBG5379B/TR13 utilizes the Zener effect, which is a phenomenon that occurs in semiconductor diodes when a reverse-bias voltage is applied. The Zener effect is what allows the SMBG5379B/TR13 to operate as a voltage regulator and limits the voltage drop across the device to a fixed level, regardless of the amount of current flowing through it. This is due to the breakdown of covalent bonds that take place in the diode when the reverse bias voltage is applied, resulting in the current being conducted even when the diode is reversed biased.

In order to make use of the Zener effect, the SMBG5379B/TR13 must be connected to the power source in a specific manner. The anode of the diode must be connected to the positive terminal of the power source, while the cathode must be connected to the negative terminal. When the diode is connected in this manner, the diode will begin to conduct the current when the reverse bias voltage reaches a certain level, known as the Zener voltage. When this voltage is reached, the current flowing through the diode is limited to the Zener current, resulting in the voltage across the diode remaining constant.

The SMBG5379B/TR13 is a single Zener diode that is suitable for use in signal-mixing circuits and other sensitive applications, and provides excellent current and temperature stability. Furthermore, the device exhibits excellent forward and reverse current leakage, as well as a relatively low capacitance and excellent thermal stability. As such, it is a valuable component that provides excellent protection against voltage spikes and other transient conditions.

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