MLCE20AE3

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The MLCE20AE3 is an automotive transient voltage suppressor (TVS) device constructed in a SOD-123 package suitable for surface mounting. It is part of an extensive series of unidirectional protection devices, covering the whole range of protection requirements in modern automotive electronic systems in cars, commercial vehicles, and motorcycles. MLCE20AE3 can protect against overloads and electrical transients caused by load dumping, load inductance, DC voltage, and AC line inductance that may occur in various automotive applications.

A TVS diode is an electronic component that, when connected in parallel to a device or circuit, can protect it from a high-voltage surge or spike. It can act like a crowbar, breaking the circuit before the spike can cause any damage. In its most common form, a single component can protect a device or circuit from a wide range of voltages.

The MLCE20AE3\'s main application field is automotive circuit protection, designed to protect integrated circuits and other sensitive components against high-amplitude, short-duration surge currents in a very wide range of automotive electronic systems. It provides protection against electromagnetic interference (EMI) transients generated by both the outside environment as well as other components within the same system. It can also protect against fast transient noise generated by load-switching conditions related to solenoid and relay coils, as well as inductive loads (such as motors and actuators).

The working principle of this component is based on its ability to breakdown and clamp high voltage transients to a safe level when a predetermined voltage is exceeded. It has a fast response time, its surge capability is very good and its clamping voltage is low. This TVS device works by clamping down whenever a high-amplitude transient pulse is detected in the system. It conducts current for short-duration surges, and its low clamping voltage helps maintain the integrity of the power circuit and allows for normal operation to be quickly restored with minimal disruption.

The MLCE20AE3 is designed to provide reliable over-voltage protection at much lower system cost and with minimal layout space requirements due to its SOD-123 package. It can be used in automotive and industrial applications especially those which are highly sensitive to over-voltage transients or fast variation in voltage and demand good electrical performance, low leakage current, and wide operating temperature range.

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