PM Series

PowerStor® PM Series

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 #4308

MSDS # 4439

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Catalog Number PM-5R0V474-R, PM-5R0V105-R, PM-5R0V155-R, PM-5R0V305-R
Dimensions See Data Sheet #4308
Applications • Pulse power • Bridge or hold-up power
Working Voltage 5.0V
SurgX Voltage 5.5V
Nominal Capacitance 0.47F to 3.0F
Capacitance Tolerance -20% to +80% (20°C)
Operating Temperature Range -40°C to 60°C
Extended Operating Temperature Range -40°C to 85°C (Max. working voltage: 3.9V)


  • Low ESR with high energy density 
  • 5.0 Volts
  • High capacitance
  • Long cycle life
  • Low leakage currents