1N4734APE3/TR12

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A zener diode, also known as a voltage-regulation diode, is a type of diode allowing current to flow in the forward direction, similar to a standard or “signal” diode. An advantage of zener diodes is that they conduct in the reverse direction when the voltage is above a certain value, known as the breakdown (or “zener”) voltage. This gives them the ability to be used as a voltage regulator, a “shunt” regulator, or simply as a reference source.

1N4734APE3/TR12 is a Zener single diode used for voltage regulating and reference voltage source applications. It is a three-terminal device in surface-mount package SOT-23 with a high Zener impedance. This device is designed for applications such as on-board voltage regulation, level shifting and signal clamping.

The 1N4734APE3/TR12 diode features a maximum working voltage of 3.3V, a breakdown voltage Vz of 2.4V, and a maximum power dissipation of 50mW. The maximum maximum reverse power dissipation is 600mW, the maximum reverse surge current of 1A, and a zener voltage tolerance of ± 5%. The typical thermal resistance of this diode is 500°C/W.

The 1N4734APE3/TR12 diode works by allowing current to flow through it in the forward direction. As the voltage across the diode increases to the breakdown voltage, Vz, current is allowed to flow in the reverse direction, from the anode to the cathode, and the voltage across the diode will be clamped to the breakdown voltage. This clamping action prevents the voltage from increasing above the breakdown voltage, thus protecting the device or circuit connected to the diode.

The 1N4734APE3/TR12 is suitable for a wide range of applications, such as voltage regulation, level shifting, current limiting, signal clamping, and general voltage protection. It can be used in systems that require a low voltage, low power supply, such as cellphones, PDAs, and other portable electronic devices. It is particularly useful for portable devices, as it is small and can be easily surface-mounted. The 1N4734APE3/TR12 Zener diode is also suitable for applications where a low breakdown voltage and high impedance is required.

In summary, the 1N4734APE3/TR12 is a surface-mount Zener diode with a maximum working voltage of 3.3V and a breakdown voltage Vz of 2.4V. This device is suitable for a wide variety of applications, such as voltage regulation, level shifting, current limiting, signal clamping, and general voltage protection. Its small size and surface-mountable form factor make it ideal for use in portable electronic devices. The 1N4734APE3/TR12 provides a high impedance and low breakdown voltage, making it particularly suitable for applications requiring a low voltage and high impedance.

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