The QME48T40050 converter of the QME-Series provides outstanding
thermal performance in high temperature environments. This performance is
accomplished through the use of patented/patent-pending circuits,
packaging, and processing techniques to achieve ultra-high efficiency,
excellent thermal management, and a low-body profile.
The low-body profile and the preclusion of heat sinks minimize impedance to
system airflow, thus enhancing cooling for both upstream and downstream
devices. The use of 100% automation for assembly, coupled with advanced
electronic circuits and thermal design, results in a product with extremely high
reliability.
Operating from a 36-75 V input, the QME-Series converters provide outputs
that can be trimmed from –20% to +10% of the nominal output voltage, thus
providing outstanding design flexibility.
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36-75 VDC Input
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5 VDC @ 40 A Output
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Industry-standard quarter-brick pinout
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On-board input differential LC-filter
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Start-up into pre-biased load
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No minimum load required
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Dimensions: 1.45” x 2.30” x 0.445” (36.83 x 58.42 x 11.3 mm)
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Weight: 1.22 oz [34.98 g]
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Withstands 100 V input transient for 100 ms
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Fixed-frequency operation
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Fully protected
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Latching and non-latching protection available
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Remote output sense
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Positive or negative logic ON/OFF option
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Output voltage trim range: +10%/−20% with industry-standard trim
equations
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High reliability: MTBF = 9.7 million hours, calculated per Telcordia
TR-332, Method I Case
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Approved to the latest edition of the following safety standards: UL/CSA
60950-1, EN60950-1 and IEC60950
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Designed to meet Class B conducted emissions per FCC and EN55022
when used with external filter
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All materials meet UL94, V-0 flammability rating
