SMAZ12-TP

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The SMAZ12-TP is a single Zener diode that is designed to provide overvoltage protection and ESD protection in various electrical circuits. Its main application field is to protect the circuit from transient overvoltages caused by lightning, electrostatic discharge, and other electrical faults. The SMAZ12-TP is also used to protect low voltage components from high voltage transients.

The SMAZ12-TP device is a simple circuit element that works on the concept of "avalanche breakdown" of a Zener diode. The Zener diode is made up of two layers of opposite conductivity type doped semiconductor. When opposite voltage of a certain level is applied across it, a breakdown of the Zener junction occurs and current starts to flow. This current is then regulated by the SMAZ12-TP diode to provide the appropriate level of protection.

The SMAZ12-TP diode has the capability to sustain transient voltages that exceed its rated breakdown voltage. This is made possible through a process known as "snapback" where the Zener voltage rises sharply at the point of breakdown. The device also has a reverse leakage current of less than 1mA at a reverse voltage of 5V and a high power dissipation rating of 1.5W.

The SMAZ12-TP diode is typically used in AC or DC circuits to protect from overvoltage transients. For example, it can be used in a 5V to 12V DC power supply circuit to prevent voltage spikes caused by lightning or other electrical faults. The device can also be used in low voltage circuits to protect against high voltage transients. It is also used in analog telephone systems to protect the sensitive analog circuitry from electrostatic discharges.

In addition to its protection capabilities, the SMAZ12-TP diode also provides a stable voltage reference. This is achieved by the breakdown voltage which occurs when a certain amount of current passes through the diode. This stable voltage reference can be used to ensure proper operation of various circuits such as voltage regulation, reference signals, and threshold detector circuits.

The SMAZ12-TP diode can be soldered directly onto the printed circuit board or mounted on a DIP socket for secure mounting. The device is also available in two versions; the normal version which has an operating temperature range of -65°C to +150°C, and the high temperature version which has an operating temperature range of -55°C to +175°C.

The SMAZ12-TP is a reliable and effective device for providing efficient overvoltage protection and ESD protection. It is highly resistant to thermal, shock and vibration and has a long lifetime. Its ability to operate in a wide range of temperatures, as well as its compact size make it ideal for applications in a variety of industries.

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