SMF22A-HE3-08

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TVS - Diode is a voltage-protective device which can absorb the over-voltage produced by various electrical transients such as lightning, power-off surges, static electricity and more. SMF22A-HE3-08 is a kind of TVS-diodes, widely used in the automotive, communications, consumer and industrial electronics market. It is suitable for the circuit protection of equipment that supplies, receives or processes data, as well as for signal, power and ground lines.

The SMF22A-HE3-08 is a High Energy Poly-array Transient Voltage Suppressor (TVS) available in a small SOD-323 package. The device is designed to protect voltage sensitive components from high voltage stress situations. It has an excellent clamping capability and low dynamic impedance.

The SMF22A-HE3-08 can be used with two different applications, the first one being as a surge protection device to protect equipment from surges or spikes from the mains supply and the other one being an overvoltage protection device to protect equipment from the application of too high voltage levels. It is designed to provide a clamping voltage of 8 V at 195 A current pulse which is compliant to the applicable IEC61000-4-5 standard.

In order to work properly, the SMF22A-HE3-08 consists of four separate structures: an anode, a cathode, an emitter and a collector. The anode is the positive terminal of the diode and the cathode is the negative terminal. When the applied voltage exceeds the clamp voltage, the anode and cathode form a current path and electron flow starts across the junction. This allows the device to pass current, which increases its voltage drop. As the current increases, the diode begins to clamp the voltage across the junction, thus acting as an overvoltage protection device.

The SMF22A-HE3-08 is suitable for use in a wide variety of systems such as automobiles, telecom, lighting and power equipment. It is designed to ensuring safety and reliability in these applications by protecting against voltage over-voltage and transients. The device also protects from electro-magnetic interference (EMI) and other contaminants from entering a system, which in turn ensures that data is properly transmitted, processed and protected.

The SMF22A-HE3-08 is a great choice for protecting sensitive equipment in power lines, computer systems, filter circuits and many more. It can also be used in power supplies and various other applications for providing protection against electrical transients. The device features a small form factor and is lightweight, making it ideal for applications where space and weight constraints are important factors.

The SMF22A-HE3-08 can withstand peak power of 335W at 8V without any degradation in performance. It also has good thermal performance, with the device having low thermal resistance, allowing a maximum operating temperature of 155°C without exceeding the limits of its breakdown voltage. This makes the SMF22A-HE3-08 perfect for use in high temperature applications.

In conclusion, the SMF22A-HE3-08 is an excellent choice for TVS-diodes and can be used in a wide variety of applications. It provides reliable protection against surges and over-voltage transients, while also offering excellent thermal performance. Furthermore, the small form factor and lightweight design makes it easy to implement in different applications with limited space. The SMF22A-HE3-08 is the ideal choice for automotive, communication, consumer and industrial electronic applications.

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