DC/DC converters target harsh industrial environments

30th July 2014

Schaefer Inc

Nat Bowers

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Operating over a wide temperature range from -60 to +125°С, the TEC-100 and TEC-200 series isolated DC/DC converters are designed for industrial applications and harsh environment conditions. Introduced by Schaefer, the converters provide 100 and 200W of continuous power at high efficiencies of up to 93%.

Featuring both 2:1 and 4:1 wide input ranges of 9-18, 9-36, 18-36, 18-75 and 36-75VDC, the TEC-100 and TEC-200 series are comprised of five single output models offering output voltages in the range of 5-28VDC. They can be enabled/disabled remotely and also easily connected in parallel or series configurations. All models provide comprehensive protection circuitry including over-current, over-temperature and short-circuit protection.

Low-profile 0.5” metal cases with mounting flanges make the converters suitable for compact industrial applications. The TEC series is supplied sealed in an efficient, heat-conducting potting material, having undergone special thermal and limit tests, including temperature cycling and burn-in. Greater MTBF is ensured in high-temp applications due to the absence of optocouplers and electrolytic capacitors.

With an additional Schaefer filter, the EMC filtering meets EN55022 Class A and EN55022, Class В. Worldwide safety approvals are to IEC/EN 60950 standards.