US 7,085,118 B2 · Electrostatic discharge protection component

Abstract

On the surface of a ceramic sinter, at least an external electrode for input, an external electrode for output, and external electrodes for grounding are disposed, and the ceramic sinter includes an inductor electrically connected to the external electrode for input and external electrode for output, and a varistor electrically connected to the external electrode for input and external electrodes for grounding. By connecting the inductor to the signal line of the circuit of an electronic appliance and connecting the varistor between the input side of the signal line and the ground, electrostatic discharge pulses of about 0.5 to 2 nanoseconds can be suppressed efficiently.

Claims6

Dependent claims

An electrostatic discharge protection component comprising:

a ceramic sinter;
and
an external input electrode, an external output electrode, and external ground electrodes formed on one or more surfaces including end surfaces of the ceramic sinter,
said ceramic sinter including:
an inductor electrically connecting the external input electrode and the external output electrode, said inductor including one or more inductor layers, and
a varistor electrically connecting the external input electrode and the external ground electrodes, said varistor including one or more varistor layers,
wherein the inductor is formed from a coil-shaped conductor disposed among said one or more inductor layers, and
wherein said inductor layer and said varistor layer are formed by sintering laminated green sheets of a same varistor material.

5 more elements

Dependencies are inferred from the claim text.

Electrostatic discharge protection component

Life of this patent

Electrostatic discharge protection component

Life of this patent

Abstract

Claims6