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January 26, 2021

JAE recently announced the launch of the MX72C / D Series, a squib connector for automotive SRS devices that conforms to the interface standard with omitted shorting bar (shunt-less), and is becoming popular in Europe and the United States.

Recent changes to automotive passenger safety requirements worldwide is serving as a catalyst to an increased level of collision safety performance, especially in Europe and the United States is expected to grow. In addition to the common SRS devices found in a vehicle, new applications such as knee, thorax and pedestrian airbags have begun to trend in an effort to ensure human safety. In the event of a collision, the safety performance of a vehicle’s SRS relies on the ability of the airbag to minimize passenger and driver injury at the time of impact, and the ability of seat belt pre-tensioners to secure occupant position in quick deceleration.

In cases where pyrotechnic inflators activate airbags or initiate seat belt tension, SRS squib connectors conforming to the AK2 standard are common in Europe and the United States. However, there is increased demand for SRS squib connectors without a shorting bar (shunt-less) and are generally referred to as the AK3 type. For this interface standard, the receptacle retainer is without a shorting bar, and the key shape is different from that of the AK2 standard connector.

To cater to these demands, JAE have developed and launched the MX72C / D Series connector without a shorting bar, which have a self-rejecting CPA mechanism that enables secure engagement in a single operation.

Similar to the successful MX72A/B series, the MX72C/D is a self-rejecting squib connector with CPA functionality for the SRS and is designed to the OEM by detecting and preventing incomplete mating through the use of a single spring. It provides positive audible and tactile feedback to confirm complete engagement in a single operation, which improves workability and contributes to improved reliability and performance of SRS devices. In addition, four colored key code types are available to prevent incorrect mating within complex vehicle systems where a variety of SRS devices may be used.

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https://www.jae.com/en/topics/detail/id=97937

 

Editor's Pick: Featured Product News


PBUS-25-Rittal-DataCentreCooling-400.jpg

Data Centre and Plant Managers working in small and mid-sized businesses often find themselves searching their buildings for unused space to house the company’s IT and other enclosures.

Mailrooms, empty offices, janitors’ closets…all have been repurposed into data closets holding one to a few racks. This approach may be the right choice in terms of square footage needed, but when it comes to proper climate conditions for sensitive IT equipment, it could not be more wrong. At best, these spaces are cooled using only the building’s AC system. At worst? An open window.

A building’s existing air conditioning system (or combined heat and air conditioning system) is designed to create comfortable environments for employees – the reason they are sometimes referred to as “comfort systems.” When IT racks need to be placed somewhere on site, it’s thought that “any old room” will do because AC ductwork usually terminates in these spaces. However, the reality is that even if you were to add ducts to supplement the building’s AC, relying on a system designed for humans is not a good solution for IT equipment.

Server rooms need more targeted cooling to keep the temperature within a specific range and prevent the servers from overheating. According to ASHRAE (the American Society of Heating, Refrigerating and Air-Conditioning Engineers), the appropriate temperature range for server rooms is between 64.4 and 80.6 Fahrenheit. This requires a discrete cooling solution capable of monitoring and managing the temperature of both the equipment and the room. The same cooling system must also be capable of regulating humidity within the precise margins required by sensitive equipment. Finally, building HVAC will not provide sufficient airflow volume for heat removal from installed appliances; the CFM requirements for comfort cooling are significantly lower than airflow required to remove heat from the IT devices.

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