Surface Mount Multilayer Varistors (MLE Series)

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The MLE Series family of transient voltage suppression devices are based on the Littelfuse multilayer fabrication technology. These components are designed to suppress ESD events, including those specified in IEC 61000-4-2 or other standards used for Electromagnetic Compliance testing. The MLE Series is typically applied to protect integrated circuits and other components at the circuit board level operating at 18VDC, or less.

The fabrication method and materials of these devices result in capacitance characteristics suitable for high frequency attenuation/low-pass filter circuit functions, thereby providing suppression and filtering in a single device.

The MLE Series is manufactured from semiconducting ceramics and is supplied in a leadless, surface mount package. The MLE Series is compatible with modern reflow and wave soldering procedures.

Littelfuse Inc. manufactures other Multilayer Series products. See the ML Series data sheet for higher energy/peak current transient applications. See the AUML Series for automotive applications and the MLN Quad Array. For high–speed applications see the MHS Series.


• AEC - Q200 compliant
• RoHS Compliant
• Rated for ESD (IEC-61000-4-2)
• Characterized for impedance and capacitance
• -55ºC to + 125ºC operating temp. range
• Leadless 0402, 0603, 0805, and 1206 sizes
• Operating voltages up to 18VM(DC)
• Multilayer ceramic construction technology