Sydney, Australia CAP-XX Limited has expanded its product line with the high-temperature HS and HW series supercapacitors. These devices feature a higher-boiling-point electrolyte that extends the operating and storage temperature from 75°C to 85°C, and operating voltage (V) from 4.5 V to 5.5 V.
The HS and HW supercapacitors offer long-life performance at up to 2.75 V in single-cell versions, and 5.5 V in dual-cell versions with the two cells connected in series. All devices operate from -40°C to +85°C. Pulse current for a single pulse is 20 A, RMS current is 4 A. The supercapacitors deliver power densities as high as 71.5 KW/litre and energy densities up to 5.5 KJ/litre (or 1.5 Wh/litre).
The HW series features a 28.5 x 17-mm footprint and provides high capacitance of up to 0.4 farad at 5.5 V with an equivalent series resistance (ESR) as low as 100 milliohms at 5.5 V in a thin package. The HS series features a 39 x 17-mm footprint and offers high capacitance up to 0.7 farad with ESR as low as 55 milliohms at 5.5 V in a thin package. The low-profile prismatic packages may be soldered or ultrasonic welded to pads on a printed-circuit-board.
The HS and HW series supercapacitors may be used in a variety of applications including mobile and wireless devices that require an increased environmental operating range and/or a higher voltage rating.
The supercapacitors are said to work reliably in devices where nearby components can get very hot such as RF power amplifiers, which can reach 120°C during transmission, as well as in devices which are exposed to environmental high temperatures such as a mobile phone left on a car's dashboard in direct sunlight.
Pricing: Starts at less than $2 each in production quantities.
Availability: Samples and production quantities are available.
Product information: supercapacitors