TDK Corporation introduces the GQA120 series of 120 W industrial grade DC-DC converters. Four package types allow product performance to be optimized for the application. The series can accept a 12 V_DC or 24 V_DC nominal input, making it suitable for ruggedized communication equipment, automated vehicle mounted electronics, trackside rail, and marine radar and navigation applications.

The GQA120 series utilizes the industry standard quarter brick pin-out and has four packaging options. For convection cooled environments the flanged baseplate version is suitable for cold-plate cooling and models with the non-flanged baseplate can be fitted with a standard quarter brick heat-sink. The cost optimized open-frame construction is suitable for applications with airflow, or the encapsulated design is best suited for high temperature, harsh environments with minimal airflow. All models have a baseplate temperature rating of -40°C to +105°C.

Nominal outputs of 5 V, 12 V, 15 V, 24 V, 28 V, and 48 V are available and can be adjusted ±10% using the trim function. The 5 V to 28 V models will operate with a 9 V_DC to 36 V_DC input and the 91.5% efficient 48 V output from 18 V_DC to 36 V_DC. All models can withstand a 1 second surge of up to 50 V. The GQA120 will automatically recover following an input undervoltage, output overvoltage, overcurrent, or overtemperature condition.

Input to output isolation is 3,000 V_DC for the flanged encapsulated models, 2,250 V_DC for the encapsulated non-flanged, and 1,500 V_DC for the open frame construction. The series is safety certified to IEC/EN/UL 60950-1 with CE marking for the low voltage and RoHS2 directives.