SMBJ26CA-13-F

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Introduction

SMBJ26CA-13-F is a kind of transient voltage suppressor diode, also known as a TVS diode. It is typically subminiature, with a SOD-123FL footprint, which is advantageous for electronic designs with tight spaces. This diode is a voltage-dependent device that is designed to absorb high-energy electrical pulses, also known as spikes, and protect circuits from electrical over stress.

Application Field of SMBJ26CA-13-F

SMBJ26CA-13-F is widely used in consumer electronics, automotive industry, telecommunication equipment. Owing to its miniature package and high efficiency, this diode is a perfect choice for the protection of sensitive components in mobile devices, such as cell phones and tablets. For example, it can be used in game consoles, interactive toys, portable media players and handheld medical devices to provide overvoltage protection. Additionally, this device is also suitable for various automotive systems like powertrain, body control system, electric drive and sensor interface.

Working Principle of SMBJ26CA-13-F

The main working principle of this diode is based on the switching of the zener voltage. When the voltage across the diode reaches its zener voltage, electrons flow from the n-type region to the p-type region, tipping the forward biasing charge and enabling current to pass through the diode. As soon as the voltage across the diode increases beyond the zener voltage, the electrons flow back to the n-type region, tipping the reverse biasing charge and turning off the diode.

At lower voltages, the diode behaves like a normal diode, allowing electrons to flow from the anode to the cathode and offering protection against shorts and current spikes. When the input voltage rises above the nominal breakdown voltage, the diode conducts large current through the breakdown region and diverts the current to the anode, preventing it from reaching the rest of the circuit.

Conclusion

The SMBJ26CA-13-F is a versatile device that can be used in a variety of applications to provide overvoltage protection and enable current flow as necessary. Its miniature package and high efficiency make it ideal for consumer electronics, automotive systems and telecommunication equipment. Moreover, its working principle is based on the switching of the zener voltage and the behavior of the diode can be controlled by changing the input voltage.

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