DATASHEET
BC SERIES ULTRACAPACITORS
FEATURES AND BENEFITS*
Up to 500,000 duty cycles or 10
year life
Low internal resistance
High power performance
310F and 350F capacitance
values
Radial terminals for PCB
mounting
TYPICAL APPLICATIONS
Wind turbine pitch control
Automotive subsystems
Small UPS systems
Consumer and industrial
electronics
Medical equipment
Portable tools
PRODUCT SPECIFICATIONS
ELECTRICAL
Rated Capacitance
1
Minimum Capacitance, initial
1
Maximum ESR
DC,
initial
1
Test Current for Capacitance and ESR
DC1
Rated Voltage
Absolute Maximum Voltage
2
Absolute Maximum Current
Leakage Current at 25
o
C, maximum
3
BCAP0310
310 F
310 F
2.2 mΩ
31 A
2.70 V
2.85 V
250 A
0.45 mA
BCAP0350
350 F
350 F
3.2 mΩ
35 A
2.70 V / 2.50 V
2.85 V
170 A
0.30 mA
TEMPERATURE
Operating temperature range
(Cell case temperature)
Minimum
Maximum
Storage temperature range
(Stored uncharged)
-40
o
C
65
o
C
-40
o
C
65
o
C / 70
o
C
Minimum
Maximum
-40
o
C
70
o
C
60 g
Radial Tab
IEC 60068.2.6, SAE J2380
IEC 60068.2.27, SAE J2464
BCAP0310
6,600 W/kg
14,000 W/kg
5.2 Wh/kg
0.31 Wh
-40
o
C
70
o
C
60 g
Radial Tab
IEC 60068.2.6, SAE J2380
IEC 60068.2.27, SAE J2464
BCAP0350
4,600 W/kg
9,500 W/kg
5.9 Wh/kg
0.35 Wh
PHYSICAL
Mass, typical
Terminals
Vibration
Shock
POWER & ENERGY
Usable Specific Power, P
d4
Impedance Match Specific Power
5
Specific Energy, E
max6
Stored Energy
7,11
*Results may vary. Additional terms and conditions, including the limited warranty, apply at the time of purchase.
See the warranty details and enclosed information for applicable operating and use requirements.
Page 1
Document number: 1017105.4
maxwell.com
DATASHEET
BC SERIES ULTRACAPACITORS
PRODUCT SPECIFICATIONS (Cont’d)
SAFETY
Short Circuit Current, typical
Certifications
(Current possible with short circuit from rated
voltage. Do not use as an operating current.)
BCAP0310
1,200 A
UL810a, RoHS
BCAP0350
840 A
UL810a, RoHS
TYPICAL CHARACTERISTICS
THERMAL CHARACTERISTICS
Thermal Resistance (R
ca,
Case to
Ambient), typical
8
Thermal Capacitance (C
th
), typical
8
Maximum Continuous Current
(ΔT = 15
o
C)
8
Maximum Continuous Current
(ΔT = 40
o
C)
8
10.9
o
C/W
60 J/
o
C
25 A
RMS
41 A
RMS
10.9
o
C/W
60 J/
o
C
21 A
RMS
34 A
RMS
LIFE
DC Life at High Temperature
1
(at Rated Voltage & Maximum Operating
Temperature)
1,500 hours
20%
100%
10 years
20%
100%
500,000 cycles
20%
100%
31 A
4 years
1,500 hours
20%
100%
10 years
20%
100%
500,000 cycles
20%
100%
35 A
4 years
Capacitance Change
ESR Change
(% decrease from minimum initial value)
(% increase from maximum initial value)
Projected DC Life at 25
o
C
1
(held continuously at Rated Voltage)
Capacitance Change
ESR Change
(% decrease from minimum initial value)
(% increase from maximum initial value)
Projected Cycle Life at 25
o
C
1,9,10
Capacitance Change
ESR Change
(% decrease from minimum initial value)
(% increase from maximum initial value)
Test Current
Shelf Life
(Stored uncharged at 25
o
C)
Page 2
Document number: 1017105.4
maxwell.com
DATASHEET
BC SERIES ULTRACAPACITORS
ESR AND CAPACITANCE VS TEMPERATURE
180%
170%
160%
150%
140%
130%
120%
110%
100%
90%
80%
-60
-40
-20
0
20
40
60
80
Temperature (°C)
Capacitance
DC ESR
Percentage change from value at 25°C
NOTES
1. Capacitance and ESR
DC
measured at 25°C using
specified test current per waveform below.
2. Absolute maximum voltage, non-repeated. Not to
exceed 1 second.
3. After 72 hours at rated voltage. Initial leakage current
can be higher.
0.12V
2
4. Per IEC 62391-2, P
d
= ESR x mass
DC
5. P
max
=
6. E
max
=
V
2
4 x ESR
DC
x mass
½ CV
2
3,600 x mass
8. ∆T=I
RMS2
x ESR x R
ca
9. Cycle using specified test current per waveform
below.
10. Cycle life varies depending upon application-specific
characteristics. Actual results will vary.
11. Per United Nations material classification UN3499, all
Maxwell ultracapacitors have less than 10 Wh capacity
to meet the requirements of Special Provisions
361. Both individual ultracapacitors and modules
composed of those ultracapacitors shipped by
Maxwell can be transported without being treated
as dangerous goods (hazardous materials) under
transportation regulations.
7. E
stored
= ½ CV
2
3,600
Page 3
Document number: 1017105.4
maxwell.com
DATASHEET
BC SERIES ULTRACAPACITORS
MOUNTING RECOMMENDATIONS
Do not reverse polarity. Please refer to document
number 1008238, available at maxwell.com for
soldering recommendations.
MARKINGS
Products are marked with the following information:
Rated capacitance, rated voltage, product number,
name of manufacturer, positive terminal, warning
marking, serial number.
4
5
6
7
BCAP0350 E270 T11
1
A
2
3
7.7 ±0.5
3
Limit of Tin (Sn)
Plating Area
1.5
4.9
DETAIL E
SCALE 2 : 1
E
B
C
61.5 Max
L
64.9 Max
33.3 Max
D
F
45°
Safety vent location
+
Electrical
polarity
D
Board drillings
Board thickness : 1.5 to 3.2 mm
E
3.5
VIEW F
data matrix
code 16x16
(4x4mm)
12
6 .3 5
Only for
CQ
SBE
1
1
TEB
EPM
1
1
7
5.2 (3x)
6
2.
x)
(3
General tolerances ISO 2768 mK, EN ISO 13920
Object
10.1 10.1
F
Modif. Date
01
02
03
04
-
-
Radial Energy D Cell
P/N: BCAP0350
Depart.
Visa
GiL
DeM
DATE
08.04.10
10.08.09
xx.xx.xx
Material
© All rights Reserved / Maxwell technologies
1
2
Disposal to third persons or reproduction even in part,
prohibited without writen authority from the compagny.
3
4
Drawn
Checked
Approuv.
Design
EPM
QSE
Part Description
BCAP0350 E270 T11
Dimensions (mm)
L (
max
)
D (
max
)
61.5
33.3
-
Weight [Kg]
Drawing ref.
62 g
BCAP0350 E270 T11 Custome
Echelle:
Package Quantity
250
SolidWorks / All dimensions in [mm]
1:1
Product dimensions are for reference only unless otherwise identified. Product dimensions and specifications may change without notice.
Please contact Maxwell Technologies directly for any technical specifications critical to application.
Page 4
Document number: 1017105.4
maxwell.com
DATASHEET
BC SERIES ULTRACAPACITORS
BCAP0310 P270 T10
1
2
3
4
5
6
7
8
7.2 ±0.15
1.5
7.7 ±0.5
A
3
1.9
E
Plating Area
Limit of Tin (Sn)
1.2
3.4
61.5 Max
B
65.55 Max
12°
DETAIL E
SCALE 2 : 1
L
C
D
33.3 Max
F
45 °
Safety vent location
+
Electrical
polarity
-
D
Board drillings
Board thickness : 1.5 to 3.2 mm
E
3.5
2.6
3.5
5
VIEW F
data matrix
code 16x16
(4x4mm)
Only for Custom
3. 5
6 .3
5
CQ
SBE
1
1
TEB
EPM
1
1
12
General tolerances ISO 2768 mK, EN ISO 13920
Object
Modif. Date
Rte d
CH-1
Switz
F
01
02
03
04
Drawing released
-
26.06.2010 Updated dim.
Radial Power D Ce
P/N: BCAP0310 P270 T1
-
Weight [Kg]
Drawing ref.
© All rights Reserved / Maxwell technologies
Disposal to third persons or reproduction even in part,
prohibited without writen authority from the compagny.
3
4
Part Description
1
2
Dimensions (mm)
L (max)
D (max)
61.5
33.3
Depart.
Design
EPM
QSE
Visa
GiL
DeM
DATE
07.09.09
10.08.09
Material
Drawn
Checked
Approuv.
Package Quantity
xx.xx.xx
62 g
BCAP0310 P270 T10 Customer Drawing
Echelle:
SolidWorks / All dimensions in [mm]
1:1
0
A3
Mo
Sheet format:
BCAP0310 P270 T10
250
Product dimensions are for reference only unless otherwise identified. Product dimensions and specifications may change without notice.
Please contact Maxwell Technologies directly for any technical specifications critical to application. All products featured on this datasheet are covered by the following
U.S. patents and their respective foreign counterparts: 6643119, 7295423, 7307830, 7342770, 7352558, 7384433, 7492571, 7508651, 7791860, 7791861, 7883553, 7935155,
8072734, 8279580, and patents pending.
Maxwell Technologies, Inc.
Global Headquarters
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Tel: +41 (0)26 411 85 00
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Tel: +49 (0)89 / 4161403 0
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Phone: +82 10 4518 9829
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designs and/or logos are either trademarks or registered trademarks of Maxwell Technologies, Inc. and may not be copied, imitated or used, in whole or
in part, without the prior written permission Maxwell Technologies, Inc. All contents copyright © 2013 Maxwell Technologies, Inc. All rights reserved. No
portion of these materials may be reproduced in any form, or by any means, without prior written permission from Maxwell Technologies, Inc.
Page 5
Document number: 1017105.4
maxwell.com
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