"SPVQC Series" Dual Circuit Sliding Contact Micro Switch

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Alpine developed "SPVQC series" Dual circuit may correspond to the sliding contact surface mount type micro switch and start the production from June.

With the development of automotive electronics, cars equipped with electronic parking brake systems (EPB) are increasing in Europe, America and South Korea. In the structure of such a device requiring high security, a circuit of automatic fail-safe measures is generally used to ensure normal backup of the system.

Up to now, the EPB has used two micro-switches to ensure backup, but at low speeds, faults such as inconsistent ON/OFF timing of each switch occur, and in the case of weak current, the commonly used mating contact structure is sometimes dusty. Contact failure occurs when mixing in.

At the same time, the surface mount type of EPB peripheral components such as LEDs is increasing, and the customer is required to perform the dip soldering microswitches at the time of assembly.

This time, our company developed the "SPVQC Series" dual-circuit sliding contact type micro switch that can be used for surface mounting. Our company's existing products - "SPVQ9 Series" used the dual-circuit sliding contact structure for the first time in the same industry, occupying more than 50% of the market in Europe, and received high praise from customers. This product inherits the characteristics of dust, vibration and impact resistance of this structure, and is a surface mount type product with high contact reliability. Moreover, the agency design technology and precision machining technology were actively applied, and the internal mechanical design was re-designed to reduce the lateral dimension by 1 mm.

This product has a two-sided sliding contact structure with a movable contact that always clamps a fixed contact. From the start of switching to ON/OFF switching and the full pressing of the switch, the pressure on the contact can be kept constant in any operating range. Moreover, by combining with the snap action structure, an always stable contact can be obtained in any operating position and operating speed, and it is a highly reliable operation switch.

Moreover, the switching timing between the two circuits of this product is the same as that of the existing "SPVQ9 Series", and it can be switched in a short time of 15ms or less at any operating speed. Thus, a switch can be used to construct a fail-safe system for the device, which helps to reduce equipment costs and also helps to reduce the load space.

In addition, this product is a dustproof and waterproof product that complies with the IP67 standard.

[Main Features]

● The two-circuit sliding contact type micro switch 1 that can be used for surface mounting can be reflowed together with peripheral components. The surface mount type 2 is reduced by 1mm in lateral dimension compared with the existing products. Sliding contact on both sides, stable contact contact can be realized in any operation position, and high reliability is ensured for dust and vibration. The switching timing between the two circuits is less than 15ms.

【The main purpose】

? EPB and other vehicle operating switches
Emergency button, safety device for industrial equipment
? Detecting the driving mechanism action of in-vehicle equipment or white goods