2
Technical Data 4390
Effective June 2017
B Supercapacitors
Cylindrical cells
www.eaton.com/electronics
Ratings
Capacitance 0.22 F to 2.2 F
Maximum working voltage 2.5 V
Surge voltage 3.0 V
Capacitance tolerance -20% to +80% (+20 °C)
Operating temperature range -25 °C to +70 °C
Specifications
Capacitance (F) Part Number
Maximum ESR (Ω)
(Equivalent Series
Resistance) Measured @
100 Hz
Nominal dimensions (mm)
(diameter x length) Typical Mass
(grams/piece)
0.22 B0510-2R5224-R 2.0 5 11 0.54
1.0 B0810-2R5105-R 0.50 813 1.2
1.5 B1010-2R5155-R 0.30 10 14 1.9
2.2 B0820-2R5225-R 0.20 8 20 1.5
Performance
Parameter Capacitance change
(% of initial value) ESR
(% of max. initial value)
Life (1000 hours @ +70 °C @ 2.5 Vdc) ≤ 30% ≤ 300%
Storage - Low and High Temperature (1000 hours @ -25 °C and +70 °C) ≤ 30% ≤ 300%
Dimensions (mm)
Part Number D D’ L L’ F d’ C C’
5.0 5.5 11.512.02.0 0.50 20.0 5.0
8.0 8.5 13.0 13.5 3.5 0.5020.0 5.0
10.0 10.5 14.3 14.8 5.0 0.60 20.0 5.0
8.0 8.5 20.521.03.5 0.5020.0 5.0
Tolerances Maximum ±0.5 ±0.02 Minimum
Part numbering system
B1010— 2R5 155 -R
Family Code Size reference
(mm) Voltage (V) R = Decimal
Capacitance (μF)
Value Multiplier Standard product
B Family Diameter = 10Length = 102R5 = 2.5 V Example: 155 = 15 x 105 μF or 1.5 F
Packaging information
• Standard packaging: Bulk, 100 units per bag
• Larger bulk packages available on request
Part marking
•Manufacturer
•Capacitance (F)
•Maximum operating voltage (V)
•Family code (or part number)
•Polarity marking
Positive Lead
Nominal leakage
current (uA) after
72 hours @ +20 °C
2.0
4.0
7.0
9.0
B0510-2R5224-R
B0810-2R5105-R
B1010-2R5155-R
B0820-2R5225-R