¼ Brick DC:DC converters from Gresham rated at 100W and 150W

Gresham Power Electronics is making available two new series of DC:DC converters from Polytron Devices for use in industrial and railway applications.

The QB100 and QB150 series offer 100 and 150 watt 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 2.28” x 1.45” x 0.50” 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 24 Vdc (8.5 to 36 Vdc), 48 Vdc (16.5 to 75 Vdc) and 110 Vdc (40 to 160 Vdc) with single output voltages over the range 3.3 to 110Vdc.