An NTC thermistor to be embedded in a substrate includes a thermistor body that is a ceramic sintered body and includes two opposed main surfaces, two opposed side surfaces, and two opposed end surfaces, a plurality of internal electrodes provided inside the thermistor body, and two external electrodes provided on outer surfaces of the thermistor body, and electrically connected to the plurality of internal electrodes. Each of the external electrodes includes a first electrode layer covering one of the end surfaces of the thermistor body, a second electrode layer provided on each of the main surfaces of the thermistor body, the second electrode layer including at least one layer, one end of the second electrode layer being in contact with the first electrode layer, and another end thereof extending in a direction of another end surface, and a third electrode layer including at least one layer and covering the first electrode and the second electrode layers.

An NTC ceramic part, an electronic component for inrush current limiting, and a method for manufacturing an electronic component are disclosed. In an embodiment, an NTC ceramic part for use in an electronic component for inrush current limiting is disclosed, wherein the NTC ceramic part has an electrical resistance in the m? range at a temperature of 25? C. and/or at room temperature.

An electrical component includes a base body having a contact surface on which a contact element is fastened by a solidified molten material, wherein the material is formed by a molten region of the contact element.

An electronic component that includes: a base body; a glass film covering at least a part of an outer surface of the base body; and an underlayer electrode covering a part of a surface of the glass film, wherein the base body contains a Mn oxide, the underlayer electrode contains a conductive metal and a glass component, the base body has a reaction layer containing a composite oxide of Mn and the conductive metal at an end portion of the underlayer electrode, and the reaction layer has a void.

A composite thermistor element is described. The element includes a sensor material that is disposed between a pair of electrodes. The sensor material includes particles in a dielectric matrix. Each of the particles have: a core having a temperature dependent resistance, and a cover layer of an inorganic material. The particles form an electron conducting pathway between the electrodes having a temperature dependent resistance and a base-line resistance. Further aspects relate to a method of manufacturing the thermistor, the coated particles, a composition for use in the manufacturing of composite thermistors that includes the particles, and to a temperature sensor including the thermistor described herein.

An NTC component comprising a first electrode (1) and a second electrode (2) is specified. The NTC component further comprises an NTC element (3) disposed between the first electrode (1) and the second electrode (2), wherein the NTC element (3) comprises a ceramic having the general composition AB.sub.2O.sub.4, and where A and B each comprise one or more of the materials Mn, Ni, Co and Cu, and B additionally comprises one or more of the materials Fe, Y, Pr, Al, In, Ga and Sb.

A thermistor element satisfies 4(d/ed) when a first distance is d, which is a shortest distance between a first internal electrode and a second external electrode, whereas a second distance is referred to as ed, which is a shortest distance between the first internal electrode and a fifth internal electrode, in a cross section of a body including an L direction and a T direction thereof.

Provided are wireless temperature sensors. A temperature sensor with a flexible, large-area printed thermistor can include an negative temperature coefficient (NTC) thermistor for temperature sensing, a control circuitry for electrically connecting with the NTC thermistor and obtaining the temperature sensed by the NTC thermistor, a power source for providing power supply to the NTC thermistor and the control circuitry, and a frame element for supporting the NTC thermistor, the control circuitry and the power source, where the frame element is at least partially thermally insulated to establish thermal equilibrium within the temperature sensor. The temperature sensor can sense the temperature in a fast and accurate way due to fast thermal equilibrium established within the sensor.

A method for producing an electrical component is disclosed. In an embodiment the method includes providing a carrier element providing a material having a temperature-dependent resistance, applying the material on a surface of the carrier element for producing a resistance layer on the carrier element and subsequently sintering the resistance layer for linking the resistance layer to the carrier element.

A temperature sensing apparatus and a temperature sensing method thereof are provided. A current source circuit provides a test current to a temperature sensing load, and the temperature sensing load generates a test voltage in response to the test current. A processing circuit determines a type of the temperature sensing load according to the test voltage, and determines a temperature according to the type of the temperature sensing load and a temperature sensing voltage generated by the temperature sensing load.