DC/DC Converter suits power over Ethernet applications.
December 27, 2004 - Developed to comply with IEEE 802.3af standard 2,250 Vdc isolation, Powerstax H201 series operates on fixed frequency with adjustable output voltage. Open frame module has input voltage range of 35–75 V, provides regulated 52.5 V output, and produces up to 200 W power in half-brick package size. Efficiency is rated up to 92.5% at full load. With operating temperature range of -40 to +85ºC, converter has calculated MTBF of 2 million hr.
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Original Press release
Advanced Power Conversion PLC
Unit B5, Armstrong Mall
Farnborough, Hants, , GU14 0NR United Kingdom

High Efficiency DC-DC Converter For Power over Ethernet Applications
New to the POWERSTAX range from Advanced Power Conversion PLC of Farnborough, England is the H201 series DC-DC converter, specially designed for Power-over-Ethernet applications.
Developed to comply with the IEEE 802.3af standard 2,250VDC isolation, the Powerstax H201 range provides up to 200W of power in an industry standard half-brick package size 61.0mm x 57.9mm x 12.7mm (2.40 x 2.30 x 0.40in).
Satisfying the low common-mode noise requirement of the IEEE specification, the Powerstax H201 series has an input voltage range of 35V to 75V and provides a precisely regulated 52.5V output. The very high efficiency of up to 92.5% at full load minimises power dissipation and helps simplify thermal management.
Operating on a Fixed Frequency with adjustable output voltage, the open frame module has a comprehensive range of features including Over temperature protection, Input undervoltage lockout and Output overcurrent protection. Other functions incorporate Output Overvoltage Protection and Remote sense & Remote on/off.
An operating temperature range of -40ºC to +85ºC and calculated MTBF of 2 million hours (80% of full load, Tc=40°C) means that the Powerstax H201 modules are ideal for a wide variety of Power-over-Ethernet applications.
Designed to meet UL60950, EN60950 and CE mark requirements, prices for the Powerstax H201 start at USD 89 each for production quantities of 100+ pieces with delivery from Ex-stock to approx 8 weeks.
For more information contact;
Mark Carter
Advanced Power Conversion plc.
Unit B5, Armstrong Mall, Southwood Summit Centre, Farnborough, Hants. GU14 0NR. England.
Tel: +44(0)1252 407800 Fax: +44(0)1252 407810 e-mail: sales@apcuk.com
John Ellis
Proactive Marketing & Communications
37 Ramsdell Rd, Fleet, Hants. GU51 1DD. England
Tel: +44(0)1252 642444 Fax: +44(0)1252 676544 e-mail: john@ellismail.uk.com
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