SMAJ4489E3/TR13

The SMAJ4489E3/TR13 is a single Zener diode which is widely used in a variety of applications and devices. It is often used in power supplies and voltage regulation circuits to stabilize the output voltage and protect from over-voltage conditions. This device is made up of a P-type base and an N-type emitter and has a dynamic resistance of about 43 ohms.

The SMAJ4489E3/TR13 is designed to offer superior ESD protection and it is rated for an operating temperature range of -55°C to 150°C. The breakdown voltage of this device typically ranges between 1.5V to 200V and the device offers a low reverse leakage current.

The SMAJ4489E3/TR13 is designed to work as a voltage regulator. In an electronic circuit, a voltage regulator is used to maintain the output voltage at a predetermined value, even when the input voltage may vary. This is done by using the Zener diode, which has a reverse breakdown voltage and a low dynamic resistance.

When the output voltage is below the Zener breakdown voltage, the Zener diode behaves like an open circuit, meaning that current does not flow. However, when the input voltage is greater than the reverse breakdown voltage, the diode will act like a closed circuit and current will flow through it. This current flow is limited by the dynamic resistance, thus preventing the output voltage from exceeding the predetermined value.

In addition to voltage regulation, the SMAJ4489E3/TR13 Zener diode is also used for protection. It is used to protect sensitive circuits from high voltage transients and damaging power surges. It is also used as a short circuit protection to limit the current that flows in the event of an over-current condition.

The SMAJ4489E3/TR13 is a versatile device that can be used in a variety of applications. It is reliable, easy to use and provides superior performance. Its wide operating temperature range and low dynamic resistance makes it an ideal choice for use in power supplies, voltage regulation circuits and protection systems.