Supercapacitors
B Series
Pb
HALOGEN
HF
FREE
0111 BU-SB101087 Page 1 of 2 Data Sheet: 4390
Description
Cooper Bussmann 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 Bussmann 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.
Features & Benefits Applications
High specific capacitance Main power
Very low ESR Hybrid battery packs
Low leakage currents Hold-up power
Long cycle life Pulse power
UL Recognized
Specifications
Working Voltage 2.5V
Surge Voltage 3.0V
Capacitance 0.22F to 2.2F
Capacitance Tolerance -20% to +80% (20°C)
Operating Temperature Range -25°C to 70°C
Standard Product
Nominal Maximum ESR (Ω) Nominal Leakage
Capacitance (Equivalent Series Resistance) Current (μA) After Nominal Dimensions (mm) Typical Mass
(F) Part Number Measured @ 100Hz 72 Hours @ 20°C Diameter Length (grams/piece)
0.22 B0510-2R5224-R 2.00 2 5 11 0.54
1.0 B0810-2R5105-R 0.50 4 8 13 1.2
1.5 B1010-2R5155-R 0.30 7 10 14 1.9
2.2 B0820-2R5225-R 0.20 9 8 20 1.5
Performance
Capacitance Change ESR
Parameter (% of initial measured value) (% of initial specified value)
Life (1000 hrs @ 70°C @ 2.5Vdc) <30 % <300 %
Storage - Low and High Temperature
(1000 hrs @ -25°C and 70°C) <30 % <300 %
Cylindrical Device
Part Numbering System
B 2R 5 
Series Voltage (V) Capacitance (μF)
Code Dimensions (mm) R is Decimal Value Multiplier
B Series Diameter Length 2R5 = 2.5V Example: 155 = 15 x 105µF or 1.5F
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncontrolled. This bulletin is
intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann reserves the right, without notice, to change
design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to change or update, without notice, any technical information con-
tained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the Company. Life sup-
port systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result
in significant injury to the user.
North America
Cooper Bussmann
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-636-527-1607
Europe
Cooper Bussmann
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Bussmann
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
Cooper Bussmann
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
©.2011 Cooper Bussmann
www.cooperbussmann.com
0111 BU-SB101087 Page 2 of 2 Data Sheet: 4390
Dimensions (mm)
Part Number D D’ L L F d’ C C’
B0510-2R5224-R 5.0 5.5 11.5 12.0 2.0 0.50 20.0 5.0
B0810-2R5105-R 8.0 8.5 13.0 13.5 3.5 0.50 20.0 5.0
B1010-2R5155-R 10.0 10.5 14.3 14.8 5.0 0.60 20.0 5.0
B0820-2R5225-R 8.0 8.5 20.5 21.0 3.5 0.50 20.0 5.0
Manufacturer
Capacitance (F)
Max Operating Voltage (V)
Series Code (or part number)
Polarity
Packaging:
• Standard packaging: Bulk, 100 units per bag.
• Larger bulk packages available on request.
Part MarkingPackaging Information
Minimum± 0.02± 0.5Maximum
Tolerances
Note: Longer lead is positive.