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The news of Fischer Elektronik GmbH & Co. KG

New miniature cooling aggregates

novembre 17, 2023

Heat sinks
So-called miniature cooling aggregates are very useful for dissipating large amounts of heat in a small space as they can dissipate significantly more heat per unit volume than free convection by using strong air currents. Fischer Elektronik GmbH & Co. KG is expanding its existing product range of miniature cooling aggregates to include additional designs with the designation LAM 7 and LAM 7 K. The 70x70mm aluminium base profiles used also contain an efficient internal heat exchange structure, which is optimally adapted and matched to the air volume and dynamic pressure of the fan being used. The powerful axial fan motors flow air through the fin channel and ensure very efficient device deheating. The internal cooling fins absorb the heat given off by the device and dissipate it to the internal air flowing through the enclosed channel structure. The small-format miniature cooling aggregates of the LAM series are suitable for use on PCBs, in subracks and cases and provide the greatest possible heat dissipation for high-performance electronic devices in a small space. In the LAM 7 design the components are mounted on the respective mounting surface by means of inserted threads. The LAM 7 K version, on the other hand, has a groove geometry integrated in the profile and, in conjunction with special snap-in transistor retaining springs of the THFU series, enables screwless and secure fastening of the transistors on the miniature cooling aggregate. After the snap-in transistor retaining spring has been installed in the groove geometry, the spring is held immovably in position and fixes the transistor to the mounting surface with high contact pressure. The fans used for the miniature cooling aggregates are offered by Fischer Elektronik with 12 and 24 V operating voltages.

Additional mechanical CNC machining, modifications or special designs as well as surfaces are realised according to customer-specific requirements.

Please contact us. For further information and inquiries please contact our sales team and technical support at Fischer Elektronik.
New miniature cooling aggregates
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Extension of the back panel series with mounting rail attachment

octobre 25, 2023

Heat sinks
Top-hat rails in accordance with the DIN EN 60715 standard have long been established on the market. They serve as a universal type of mounting for electrical equipment, for example in control cabinets in areas such as automation, control and measurement technology. Especially for such applications, Fischer Elektronik has expanded its existing RKL ... case back panel series by 24 designs for mounting 37 additional case sizes.

The stable rear panels which have a specially developed contour, ensure quick and simple mounting of a case to the top-hat rail. A pressed-in wire form spring made of stainless steel ensures a secure and firm hold. By means of this integrated top-hat rail fastening the case can be placed directly on the top-hat rail making mounting uncomplicated.

Customers can choose between the surface finishes natural colour anodised (ME), black anodised (SA) or electrically conductive transparent passivated (TP). Other surface finishes are available on request.

In addition to surface coating, the core competencies of Fischer Elektronik also include mechanical machinings, so that further processing, such as the insertion of milling pockets and hole patterns or the pressing in of several wire form springs to increase the holding force can be realised according to customer-specific specifications.

Please contact us. For further information and inquiries please contact our sales team and technical support at Fischer Elektronik.
Extension of the back panel series with mounting rail attachment
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New miniature cooling aggregates for the LAM 6 series

octobre 20, 2023

Heat sinks
Concepts for the heat dissipation of electronic devices and components receive an enormous increase in efficiency through the use of fan-assisted designs, so-called cooling aggregates. However, the effectiveness of these aggregates for forced convection is only maximised if the geometry and surface of the heat exchange areas are matched to the fan being used and its performance in terms of air volume and pressure. For this purpose Fischer Elektronik is expanding its existing product range of miniature cooling aggregates with the LAM 6 D and LAM 6 D K designs. The new designs have dimensions of 60 x 120 mm and are available for transistor screw mounting or clip mounting. The profile cross-sections consist of an extrusion profile formed as a tube with cooling fins on the inside of each side surface. The fins absorb the heat emitted by the device and dissipate it to the inner air of the enclosed channel structure. The powerful axial fans circulate air through the fin channel and ensure very efficient device deheating. The new LAM 6 D and LAM 6 D K miniature cooling aggregates are optionally available with fan voltages of 12 V, 24 V and 48 V.

The miniature cooling aggregate LAM 6 D K contains a special groove geometry in the lateral semiconductor mounting surfaces, whereby the component can be fastened securely and quickly with the help of so-called snap-in transistor retaining springs. The different snap-in transistor retaining springs THFU 1-7 have been developed for the transistor types TO 218, TO 220, TO 247, TO 264 and various SIP-Multiwatt as well as hole-less power transistors. After installation of the snap-in transistor retaining spring, the spring holds immovably in its position and fixes the transistor on the mounting surface with high contact pressure. Additional mechanical CNC machining, modifications or special designs and surfaces are realised according to customer specifications.
New miniature cooling aggregates for the LAM 6 series
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New Tape & Reel straps available as standard

octobre 11, 2023

Printed circuit boards
The importance of and demand for a packaging form suitable for automatic machines is also growing steadily in the range of connectors. In recent years this trend has not only been limited to bar magazines as a packaging form but has increasingly extended to enquiries and orders for tape & reel packaging. As a result, Fischer Elektronik is expanding its extensive product portfolio to include additional tape solutions for automatic loading. The articles BL 15 SMD 043/089, MK LP 41/42, SL 11 SMD and SLV W 4 SMD 048/073 from the connector sector are new in the standard range. In order to simplify the variety of different tapes and to make them more economical, sensible combinations of contact sizes for different type series have been combined in one tape. Not only common SMD devices are new in the standard range in tape & reel format, but also tape solutions for THT or THR devices. Depending on the type of connector being used, pick and place aids or capton dots are applied, which are removed again after the soldering process to simplify handling. If you cannot find your item in the standard product range with optional tape & reel packaging or if this is not offered, Fischer Elektronik will also develop customised tape & reel solutions tailored to your individual application.

Please contact us. For further information and inquiries please contact our sales team and technical support at Fischer Elektronik.
New Tape & Reel straps available as standard
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