HB Series

PowerStor® HB Series Cylindrical Supercapacitors

Cooper Bussmannn PowerStor supercapacitors are unique, ultra-high capacitance devices utilizing electrochemical double layer capacitor (EDLC) construction combined with new, high performance materials. This combination of advanced technologies allows Cooper Bussmannn to offer a wide variety of capacitor solutions tailored to specific applications that range from a few micro-amps for several days to several amps for milliseconds.

Data Sheet # 4375

MSDS # 4441

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Conditions for Royalty Free Use of Cooper Bussmann
Supercapacitor Active Balance Design - US Patent 7,342,768

Catalog Number HB0820-2R5_-R
Dimensions See Data Sheet #4375
Working Voltage 2.5V
SurgX Voltage 3.0V
Capacitance 3.0F to 110F
Capacitance Tolerance -10% to +30% (20°C)
Operating Temperature Range -25°C to 70°C
Extended Operating Temperature Range -25°C to 85°C (with linear voltage derating to 2.1V @ 85°C)
Packaging • Standard packaging: Bulk, 100 units per bag • Larger bulk packages available on request


  • Ultra low ESR for high power density
  • Large capacitance for high energy density