SMBJ120CD-M3/H

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The SMBJ120CD-M3/H is a unidirectional Transient Voltage Suppressor (TVS) diode. It is designed to clamp transient voltage to a safe level and protect sensitive electronic components in various end-uses. The device was created to provide a low-cost, space-saving solution to voltage transients for commercial and industrial applications alike. It also features low clamping voltage, lightning-fast response time, low leakage current, and excellent surge capability.

The SMBJ120CD-M3/H is designed with a maximum working voltage of 120V and a maximum peak power of 900W. It has a low rated operating junction temperature of 125°C, and a storage temperature range of -65°C to +150°C. The diode can handle surge current up to 200A, and has a maximum capacitance of 3.0pF. Additionally, the SMBJ120CD-M3/H has an excellent thermal recovery time of 5.6ms.

The SMBJ120CD-M3/H has a wide range of applications. It can be used to protect circuits and components from potentially damaging voltage transients. It commonly found in automotive systems, industrial and commercial power systems, and telecom equipment. It is also widely used in computers, medical equipment, and consumer electronics.

The working principle of the SMBJ120CD-M3/H is based on the PN junction reverse bias principle. When the TVS diode is reverse biased (current flows from the anode to the cathode), it act as an open circuit. When a reverse biased voltage is applied to the diode, the junction appears as a Schottky barrier. This creates a high turn-on voltage that results in a breakdown voltage (Vbr) of 120V. When a voltage transient greater than Vbr is applied to the diode, current flows through it at a rate determined by the breakdown voltage and the surge current rating of the diode. This process is what protects the sensitive electronic components from damage caused by power surges.

The SMBJ120CD-M3/H is an effective and reliable TVS diode that provides high surge current protection and fast response times. It is suitable for a variety of applications, ranging from automotive to telecom. The device is cost-effective and space-saving, allowing it to be used in a wide range of projects. The diode\'s low clamping voltage and excellent surge capability make it a great choice for protecting sensitive electronic components from power surges.

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