1N5381CE3/TR13

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1N5381CE3/TR13 Application Field and Working Principle

1N5381CE3/TR13 is a Zener diode that is primarily used in applications where electricity must be regulated and electrical safety needs to be ensured. Due to its high power rating, it is commonly found in applications where capacitive loads such as motors, light fixtures and other inductive equipment may be in use, and it is a popular choice for applications that run high voltages.

Zener diodes like the 1N5381CE3/TR13 are designed to maintain a specific voltage across its terminals. When the voltage across the diode is higher than the Zener voltage, the diode begins to “breakdown” and the excess voltage is dissipated as heat. This provides a stable voltage source that can be used to power components that require a specific voltage level.

The 1N5381CE3/TR13 is a single Zener diode with a reverse-biased breakdown voltage, measured between the anode and cathode, of between 1.7 and 2.6 volts (V), a maximum power dissipation of 450 milliwatts (mW) and a maximum forward current of 1.3 amps (A). It also features a reverse current leakage of 5 milliamps (mA) at 5V and a maximum longitudinal thermal resistance at maximum power dissipation of 13°C/W.

1N5381CE3/TR13 diodes are commonly used to provide a variety of functions. The most popular use is as a voltage regulator, in which the diode is installed between a power supply and the device to be protected, ensuring that the voltage across the device remains within a specified range. This prevents the device from receiving a voltage level that is too low or too high, preventing harm to the device and its components.

Another function of the 1N5381CE3/TR13 is as a voltage clamp. In this application, the diode is connected in parallel with the device, and it allows current to flow through when the voltage across it is below the Zener voltage. This acts to limit the voltage across the device, preventing it from going above the Zener voltage.

Finally, the 1N5381CE3/TR13 can also be used as a current regulator, where the diode is connected in series with a resistive load. This allows the system to operate within a specified current range and prevents the load from receiving too much current, which could damage the load or other parts of the system. All these features make the 1N5381CE3/TR13 diode an excellent choice for many different applications.

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