Rugged 80W DC-DC converter has 10 year warranty

Rugged 80W DC-DC converter has 10 year warranty

New Products |
By Nick Flaherty

Cosel has launched a very high reliability 80W DC-DC converter with a ten year warranty aimed at industrial, IoT and mobile equipment operating in harsh conditions.

Packaged in an industry standard 2x1in footprint and a six sided, shielded metallic case, the MGF80 series has been designed to Cosel’s criteria for a failure rate of below 30 parts-per-million (ppm). All components are selected for a very long lifetime, for example by avoiding aluminum or tantalum capacitors, allowing the company to offer a ten year warrenty.

The MGF80 DC-DC converter series is available in two input voltages, 9V to 36V and 18V to 76V. A single output version, the MGFS80 is available in four output voltages, 3.3, 5, 12, and 15V, and can be adjusted within a range of +/- 10% using a resistor bridge or potentiometer. A dual output version, the MGFW80 is available in two, factory trimmed output voltages, +/- 12V and +/- 15V, offering the possibility to provide respectively, 24V and 30V between the two ends.

The design uses synchronous rectification and soft-switching to provide an efficiency of 94% typical. All models deliver an available power level of up to 81.6W, but to maintain high performance the output power of the 3.3V MGFS80243R3 is limited to 59.4W.

Designed to power demanding applications, the MGF80 series features a wide operating temperature range of -40 to +85 ºC with a maximum case temperature of +110 ºC. The MGF80 includes overcurrent and overvoltage protection, and to protect against overheating it includes thermal protection that switches the unit off when the maximum allowable safe temperature is reached.

The DC-DC converter family has been tested to sustain rough conditions and has passed three axis vibration testing equivalent to 10G and shock testing of 50G. The brass, nickel plated housing measures 50.8 x 25.4 x 9.9 mm (2 x 1 x 0.39 inch) with lead-free plated copper pins and weighs 50 g.

The MGF80 series has an input-output isolation of 1500VDC, and an input and output to case isolation of 1000VDC. It is UL62368-1, C-UL [CSA62368-1) and EN62368-1 approved and CE mark 2014/35/EU. The MGFS80 and MGFW80 are RoHS compliant.

For lower power requirements in demanding applications, COSEL offers the 1×1 inch 40W MGF40.

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