SMA6F6.5A-M3/6A Circuit Protection

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TVS - Diodes, also known as Transient Voltage Suppressors (TVS), are surge protection devices specifically designed to protect sensitive electronics from a burst of high-voltage electricity or electrostatic discharge (ESD). The SMA6F6.5A-M3/6A is one such device.

The SMA6F6.5A-M3/6A is designed to protect voltage-sensitive circuits from ESD at up to 6.5 amps of current. It is a three-terminal, surface-mount device which, upon application of an ESD pulse, limits the voltage and energy across the circuit. The device can dissipate large pulses of up to 6.5A and comes in a small industry-standard packaging, making it ideal for use in a variety of markets and applications. These markets include automotive, telecommunications, networking applications, industrial, and medical markets.

Working Principle

The SMA6F6.5A-M3/6A is designed to limit the voltage across the terminals during an electrostatic discharge (ESD) pulse. It utilizes a breakdown voltage of up to 18 volts, from which it is able to absorb and suppress large surges of energy. The device\'s protection voltage (PV) is typically limited to 6.5A for an 8/20µs pulse. It is a qualified component for ESD standards.

The SMA6F6.5A-M3/6A device is constructed of a pair of Zener diode chips, one on each side of the body, connected in series between two capacitor networks. The two capacitors on the output side of the TVS diode absorb the ESD energy, while the centre element, a Zener diode, is designed to clamp the voltage across the output of the device within the specified maximum breakdown voltage. The device is designed to be reverse-polarity protected, allowing for a safe and effective operation in a variety of applications.

Application Field

The SMA6F6.5A-M3/6A is designed for use as a protection element in a variety of electronics systems. It is most commonly used as a surge protective element in a wide variety of applications, such as mobile phones, medical equipment, PCs, notebook computers, industrial control networks, automotive electronics, and other device systems. This device is designed for ESD immunity testing in accordance with IEC 61000-4-2. Additionally, the SMA6F6.5A-M3/6A has qualified for various other international safety certification standards, such as EMC, UL, CSA, TUV, and IEC.

The SMA6F6.5A-M3/6A is an excellent choice for protecting against high-voltage surges and electrostatic discharge events. It is designed for use in a wide variety of systems, and is built to the exacting standards required for international safety certifications. With its small size, ease of use, and impressive current and voltage ratings, the SMA6F6.5A-M3/6A is an excellent choice for a TVS diode.

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