DC/DC converters offer efficiency up to 93%

10th January 2018
Mick Elliott

Two series of DC/DC converters from Polytron Devices for use in industrial and railway applications are in stock at Gresham Power Electronics. The QB100 and QB150 series boast 100W and 150W ratings, respectively, feature a 4:1 ultra-wide input range and operating temperature of -40 to +110°C.

The QB100 series offers high efficiency up to 93% and is delivered in a compact 2.28in. x 1.45in. x 0.50in. quarter brick package. The QB150 series, available in the same size package, offers efficiency up to 92%.

Both converters feature remote control, no minimum load requirement and low standby power consumption; are CE marked and meet UL60950-1, EN60950-1 and IEC 60950-1 safety standard and are compliant with RoHS II and Reach guidelines.

Nominal input voltages are 24Vdc (8.5 to 36Vdc), 48Vdc (16.5 to 75Vdc) and 110Vdc (40 to 160Vdc) with single output voltages over the range 3.3 to 110Vdc.

Jake Moir, Managing Director of Gresham Power, comments, “Railway equipment and many industrial applications are required to operate in extreme weather conditions and from unregulated power sources. The QB100 and QB150DC:DC converters are designed to provide stable system power output in these demanding environments while being compact and cost effective.”

Gresham Power now offers industrial, medical, CompactPCI, rail and transportation, test and laboratory power solutions from world class manufacturers including Polytron Devices, EOS Power, Vox Power, Magna-Power, Advice Electronics and Digital Power.

The range include market leading and cost competitive open frame power supplies, modular configurable and encapsulated power supplies, programmable power supplies and electronic loads and DC:DC converters.


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