1EZ190D/TR12

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The 1EZ190D/TR12 is a single Zener diode and is one of the most versatile components used in electronic devices and applications. Zener diodes are used to regulate voltages or as reference sources in various applications and are designed to be very reliable and stable. The 1EZ190D/TR12 is particularly useful in electronics and electrical engineering applications.

The 1EZ190D/TR12 has a reverse breakdown voltage of 9.1 volts and a maximum forward current rating of 200 milliamps. It comes in a SOT-23 surface mount package and is capable of handling operating temperatures ranging from -55°C to +150°C.

The main application field of the 1EZ190D/TR12 lies in overvoltage protection and voltage stabilization. Its main purpose is to provide regulation and/or limit protection against power surges in circuit designs. The 1EZ190D/TR12 can be used to protect circuits against electrostatic discharges, power line transient events, and overvoltage conditions.

The 1EZ190D/TR12 is a unidirectional device, meaning it will conduct current in a single direction only. It has a negative temperature coefficient and will conduct current when its anode is connected to a positive voltage source and it’s cathode is connected to a ground. When the voltage across the anode and cathode reaches the Zener value it causes a Zener breakdown, allowing current to flow in a reverse direction.

The 1EZ190D/TR12 can be used in surge suppression circuits to help protect against large voltage spikes. It can also be used as a voltage reference in comparators and other circuit designs. It can also be used in series with other components to help prevent current over-shoot and under-shoot, helping to limit the inrush current and also help reduce capacitance ESR.

In addition, the 1EZ190D/TR12 has low power dissipation and noise characteristics which makes it particularly useful in noise sensitive circuit designs. It can be used in various applications such as power supplies, op amp circuits, and transistor circuits for noise reduction.

Overall, the 1EZ190D/TR12 is an excellent choice for a wide range of applications in which voltage reference, overvoltage protection, or noise reduction are required. It is highly reliable and offers excellent stability while also having a very low power dissipation and noise characteristics. With its wide range of uses, the 1EZ190D/TR12 is an essential component for many electronic applications.

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