1SMB5939BT3G

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

The 1SMB5939BT3G is a single Zener diode which belongs to the diodes family and is mainly used to produce uniform and stable voltage. 1SMB5939BT3G is rated to handle typical 1A (1.3A max) of reverse current and it can also handle up to 5.5V of breakdown voltage. This diode is designed to be used as a voltage reference in applications such as voltage regulators, voltage converters, surge protection and motor control.

Characteristics

As stated before, 1SMB5939BT3G has the capacity to handle up to 1A of current with a breakdown voltage of 5.5V. With regards to power dissipation, it can handle up to 500mW, making it suitable for low power applications. Furthermore, this diode is made as a glass package (DO-214AB) which makes it ideal when it comes to resistance to mechanical shock, hsealing contamination, and moisture.

Applications

1SMB5939BT3G is mainly used in the following applications:

1. Voltage Regulation: It is used to maintain a stable source of voltage and to regulate the output voltage to the desired level.
2. Voltage Conversion: It is used to convert one voltage level to another.
3. Surge Protection: It is used to protect the circuit from high voltage or short circuits.
4. Motor Control: It is used in motor control circuits to regulate the motor’s speed.

Working Principle

The 1SMB5939BT3G is a voltage reference diode which works in the same manner as a common diode, with the added benefit that it can handle higher breakdown voltages (up to 5.5V). The diode is made up of a PN junction between two layers of material, and a small reverse-biased voltage is applied across the junction. When the applied voltage is lower than the breakdown voltage, the junction remains non-conductive. However, when the applied voltage surpasses the breakdown voltage then the diode begins to conduct, allowing a small current to flow.

The breakdown voltage of the 1SMB5939BT3G is 5.5V, which will remain relatively constant even when the applied voltage increases or decreases. This stable voltage makes it ideal for applications such as voltage regulation, voltage conversion, surge protection and motor control.

Conclusion

The 1SMB5939BT3G is a single Zener diode which belongs to the diode family, mainly used to produce a uniform and stable voltage. It has the capacity to handle up to 1A of current with a breakdown voltage of 5.5V, making it suitable for low power applications. The 1SMB5939BT3G is mainly used for voltage regulation, voltage conversion, surge protection and motor control.

The working principle can be explained as follows. The 1SMB5939BT3G is made up of a PN junction between two layers of material and a small reverse-biased voltage is applied across the junction. When the applied voltage is lower than the breakdown voltage, the junction remains non-conductive. However, when the applied voltage surpasses the breakdown voltage then the diode begins to conduct, allowing a small current to flow. The breakdown voltage of the 1SMB5939BT3G is 5.5V, which will remain relatively constant even when the applied voltage increases or decreases.

The specific data is subject to PDF, and the above content is for reference