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PERSONAL TRANSPORT: GROUND, WATER, AIR
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Safe trunk. Personal transport

Personal transport: land, water, air

Directory / Personal transport: land, water, air

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There are many clamps that allow you to fix the roof rack on the roof of a car. However, I did not have to meet enough comfortable and not spoiling gutters on the roof.

I propose the design of the trunk latch developed by me. It was developed with the condition that in the manufacture of a trunk with such clamps, only locksmith tools can be used.

The design of the bracket is shown quite clearly in the figures.

Careful trunk
Car roof rack latch (click to enlarge): 1 - trunk arch, 2 - bracket, 3 - M6 screws with nuts, 4 - M5 screw with nut, 5 - clamp, 6, 7 - rubber gaskets, car roof gutter.

Author: M.Karpov

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New Toshiba Low Voltage MOSFETs 14.11.2014

Toshiba Electronics Europe (TEE) announced that its high efficiency low voltage MOSFETs are now also available in ultra-compact DSOP Advance packages. The new cases support dual-sided cooling for significantly improved heat dissipation. This enables high-density device designers to minimize PCB temperatures and improve device performance without increasing board footprint.

The DSOP Advance package occupies 5mm x 6mm of PCB space, just like devices with the SOP Advance package. In comparative tests, operating temperatures of 30 V MOSFETs (with appropriate heatsinks) at currents above 30 A decreased by more than 34%. Moreover, in a number of designs, the reduced thermal resistance of the DSOP Advance case allows you to abandon the heatsink.

Toshiba intends to use DSOP Advance packages for its existing (UMOS VIII-H) and new (UMOS IX-H) MOSFET families. These transistors combine an industry-leading RDS(ON) rating with low output capacitance for ultra-high switching efficiency. Initially, a range of MOSFETs with voltage ratings from 30V to 100V will be available in DSOP Advance packages.

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