Electronic Design

Components: Low-ESR Aluminum Capacitors Can Take The Heat

Super-low equivalent-series resistance from 25 to 60 mV (at 208C and 100 kHz) has been made possible thanks to a conductive polymer electrolyte. As a result, the PHX series polymer aluminum capacitors have an expected life of 1000 hours at 125°C and are rated over a range of 2.5 to 20 V dc. Capacitance ranges from 22 to 1000 mF, and ripple current ranges from 1.65 to 3.7 A rms (at ­55°C to 1058C). The capacitors, constructed of heavy-duty lead-free materials, tolerate high temperatures. They're offered in 6.3- by 5.7-mm, 8- by 6.7-mm, and 10- by 7.7-mm case sizes. Price ranges from $0.65 to $0.95, and lead time is 10 to 12 weeks.

United Chemi-Con
www.chemi-con.com;
(847) 696-2000

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