SMAJ18A-E3/61 Circuit Protection

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TVS (Transient Voltage Suppressor) diodes play an important role in protecting equipment and circuits from a variety of events such as electrical overvoltages, electrostatic discharge and lightning. They can be used in a wide range of applications and provide very effective protection. One such diode is the SMAJ18A-E3/61.

The SMAJ18A-E3/61 is an ultra-low capacitance surface-mount TVS (Transient Voltage Suppressor) diode designed specifically to protect sensitive electronics from overvoltage transients. The device is available in the SMA-DO package (1.6 mm x 1.2 mm), making it well suited for space-constrained applications. It is also RoHS-compliant and has a maximum working voltage of 18V.

The SMAJ18A-E3/61 can be used for a variety of applications, such as USB port protection, computer telecommunication equipment, laptop computers, consumer electronics, game consoles, automotive devices, and audio/video equipment.

The SMAJ18A-E3/61 utilizes a Bi-Directional design which allows it to absorb the energy of both positive and negative transients. Its low clamping voltage provides greater protection and its excellent clamping ratio makes it ideal for use in power protection circuits. The SMAJ18A-E3/61 features an ultra-low dynamic resistance, which helps to reduce power dissipation and prolongs the service life of the device.

The SMAJ18A-E3/61 works by clamping over-voltages that exceed its maximum working voltage to a safe level. It does this by using its low clamping voltage level to quickly absorb the transient energy. Its low dynamic resistance helps to reduce power dissipation and prolong its service life.

The SMAJ18A-E3/61 also features excellent thermal performance, with a maximum operating temperature of 105°C and a lead temperature of 250°C. This makes it ideal for use in high-temperature environments. Moreover, its high surge current rating of 180A ensures that it can handle large voltage spikes without damaging the device.

The SMAJ18A-E3/61 is an ideal choice for a wide range of applications, thanks to its excellent features and performance. Its high surge current rating of 180A, low clamping voltage, and low dynamic resistance make it well suited for use in a variety of protection circuits. Combined with its versatile applications and excellent thermal performance, the SMAJ18A-E3/61 makes an excellent choice for TVS diode protection.

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