JANTX1N4550RB

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Diodes are electronic components that act as one way conduits—they allow current to pass through them in one direction but block current in the opposite direction. Zener diodes are special forms of standard diodes. As a voltage regulator, they can protect circuits from transient voltage spikes, higher-than-expected power levels, or power source irregularities. The JANTX1N4550RB is a type of single-ended Zener diode.

Application

The JANTX1N4550RB Zener diode is extremely versatile, with a wide variety of application areas. It can be used as a voltage regulator in microprocessor, audio, and display circuits; as a voltage reference unit in optical-fiber networks; in remote-control systems; for low-voltage DC supplies; for damping high-frequency signals; and for stabilizing voltage in LED driver circuits.

The JANTX1N4550RB is designed to ensure that its power dissipates correctly at higher temperatures, making it particularly well-suited to battery-powered applications. This Zener diode also has a low reverse leakage current, meaning it won’t consume significant amounts of energy when not in use. This makes it ideal for applications where energy conservation is paramount, such as in medical electronics and radios.

Working principle

When the voltage rises above a pre-determined threshold, the JANTX1N4550RB diode begins to conduct current in the reverse direction. This in turn activates the Zener effect, which creates a resistance to the increased voltage while still allowing the limited flow of current. This regulates the amount of electricity flowing through the circuit, protecting the components from damage.

The Zener breakdown Voltage (VZ) of the JANTX1N4550RB is 17V, with a corresponding power rating of 500mW. This indicates the diode’s capacity to regulate a maximum of 17V when the power flows through it. The diode also features a low uniformity, meaning its VZ is quite stable across its entire operating temperature range.

Additionally, the JANTX1N4550RB features a maximum thermal impedance of 5°C/W, which is relatively low for a diode of this kind. This means that the diode can withstand higher amounts of power for a longer period of time before beginning to overheat.

The JANTX1N4550RB is an effective and reliable Zener diode, with a wide range of applications from LED drivers and remote-control systems to battery-powered applications and optimizing voltage levels. Its low reverse leakage current and excellent thermal impedance make it an ideal choice for circuits in which energy conservation is important.

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