3KASMC22AHM3_A/I

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TVS (Transient Voltage Suppression) Diodes protect the electronic circuits from over-voltage transients. The 3KASMC22AHM3_A/I is a voltage TVS device designed to guard against ESD (Electrostatic Discharge) events. The diode has an uni-directional breakdown voltage of 22 V and a maximum clamping voltage of 33 V. It also has an extremely fast response time of < 1 ns making it suitable for high frequency applications.

Application Field

The 3KASMC22AHM3_A/I can be used in consumer electronics, automotive, telecommunications and industrial to protect sensitive circuits from ESD, lightning and other over-voltage transients. It can guard downstream components like MOSFETs, capacitors and resistors, from high ESD levels that current ICs or other devices cannot withstand. The diode can also be used to protect power supply from over-voltages.

Working Principle

The device works by clamping any voltage that exceeds the breakdown voltage. A brief over-voltage above the rated breakdown voltage triggers the diode to turn on, diverting excess current away from the load, and thus protecting it from electrical damage. The diode shunts away the electrical energy, absorbing and dissipating it as heat in the form of Joule heating.

The 3KASMC22AHM3_A/I can protect load currents of up to 5 A. The diode is also highly reliable, having an IEC level rating of 4C which means it can withstand up to 8 kV ESD without damage. This makes it well-suited for high voltage applications.

The 3KASMC22AHM3_A/I is a tiny package witha SOD-323 form factor, measuring just 2.9 x 1.2 mm. Despite its small size, it offers excellent protection from harmful over-voltage and ESD events.

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