Calex Launches Chassis-Mount DC/DC Converters

Calex Manufacturing has announced the HCM series of high-power density chassis-mount DC/DC converters. The 150W rugged encapsulated DC/DC converters are ideal for harsh industrial and commercial off-the-shelf military applications. All 10 models in the series offer a 4:1 input range, from 9-36VDC and 18-75VDC, which makes the units suitable for 24V industrial, 12V and 24V battery applications and 48V power sources. The output voltages available are 3.3, 5, 12, 15 and 24VDC.

All models are isolated input to output. The mean time before failure for all models is more than one million hours and all models are backed by Calex's five-year warranty. The enclosure of the HCM series provides a 'clamp'-style recessed barrier strip, which secures wire without twisting. The enclosure can be mounted with the barrier strip facing up or down, depending on what is preferred for the application.

The thermal characteristics of the enclosure are said to provide a favourable 3C per watt dissipated thermal impedance. The enclosure also has threaded inserts for securing a heat sink if needed for extended temperature applications. The case operating temperature range for the HCM is -40C to +100C. The case dimensions are 4.3 x 3.2 x 1.0in and the weight is 11.4oz. RoHS and non-RoHS construction is available.


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