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High performance PSU for MIL and harsh industrial applications

22 June 2014

Gresham Power Electronics has introduced a compact and rugged PCI power supply for military and industrial applications.

The new 7602 model is a 6U AC/DC cPCI PSU which is conformally coated in accordance with IPC-CC-830 and has been redesigned to meet the requirements of MIL-STD-461F surge test per MIL-STD-1399, withstand ESD to 8KV, has very low output ripple and noise figures, and high efficiency of >80 percent at 115VAC and full load.

Supplied with nominal outputs of +5, +3.3 and +/-12Vdc the Gresham Power 7602 cPCI power supply has been designed to be able to be factory modified to a wide range of output voltage configurations on all four outputs or it could be factory set to be a single output version of 12 to 48Vdc rated at  600W.

The Gresham Power 7602 cPCI power supply is fully compliant with the PICMG 2.11 power interface specification, incorporates the standard Positronic 47-pin connector and offers optional hot-swap, N+1 redundant connection and active load current share.

The 7602 power supply features a 90–264VAC universal AC input voltage with active power factor correction, standard output voltages are 5V/50A, +3.3V/60A, +12V/7.5A and -12V/4A and custom variants are possible. All models can have an optional passive I2C bus, which can provide serial number, model number, revision number, and/or user defined data.

The Gresham 7602 Compact PCI power supply features advanced status and control functions including remote inhibit, output fail alarm, over temperature warning, output remote sense, optional single wire current share and front panel LEDs indicate outputs OK and any fault condition.

The 7602 is RoHS compliant has an operating temperature range is -40ºC to +65ºC full load with 250LFM of airflow and MTBF is calculated as >250,000 hours minimum per RIAC-HDBK-217


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