Page 1 Document number: 1015370.3 maxwell.com
DATASHEET K2 SERIES ULTRACAPACITORS
FEATURES AND BENEFITS
Highest power performance
available
Lowest RC time constant
Over 1,000,000 duty cycles
Proprietary material science
and packaging technology
Threaded terminal or
weldable posts
TYPICAL APPLICATIONS
Automotive subsystems
Grid Stabilization
Hybrid drive trains
Rail system power
Transportation
Utility vehicles
PRODUCT SPECIFICATIONS
ELECTRICAL
BCAP0650 BCAP1200 BCAP1500 BCAP2000 BCAP3000
Rated Capacitance1
650 F 1,200 F 1,500 F 2,000 F 3,000 F
Minimum Capacitance, initial1
650 F 1,200 F 1,500 F 2,000 F 3,000 F
Maximum ESR DC, initial1
0.8 m
0.58
m
0.47
m
0.35
m
0.29
m
Rated Voltage
2.70 V 2.70 V 2.70 V 2.70 V 2.70 V
Absolute Maximum Voltage11
2.85 V 2.85 V 2.85 V 2.85 V 2.85 V
Maximum Continuous Current
(T = 15oC)254 A
RMS
70 A
RMS
84 A
RMS
110 A
RMS
130 A
RMS
Maximum Continuous Current
(T = 40oC)288 A
RMS
110 A
RMS
140 A
RMS
170 A
RMS
210 A
RMS
Maximum Peak Current,
1 second (non repetitive)3600 A 1,000 A 1,200 A 1,600 A 2,200 A
Leakage Current, maximum 4
1.5 mA 2.7 mA 3.0 mA 4.2 mA 5.2 mA
TEMPERATURE
Operating temperature range
(Cell case temperature)
Minimum -40
C
-40
C
-40
C
-40
C
-40
C
Maximum 65
C
65
C
65
C
65
C
65
C
Storage temperature range
(Stored uncharged)
Minimum -40
C
-40
C
-40
C
-40
C
-40
C
Maximum 70
C
70
C
70
C
70
C
70
C
PHYSICAL
Mass, typical
160 g 260 g 280 g 360 g 510 g
Terminals
Threaded or
Weldable
Threaded or
Weldable
Threaded or
Weldable
Threaded or
Weldable
Threaded or
Weldable
Maximum Terminal Torque (K04)
14 Nm 14 Nm 14 Nm 14 Nm 14 Nm
Page 2 Document number: 1015370.3 maxwell.com
DATASHEET K2 SERIES ULTRACAPACITORS
PRODUCT SPECIFICATIONS (Cont’d)
PHYSICAL (Cont'd)
BCAP0650 BCAP1200 BCAP1500 BCAP2000 BCAP3000
Vibration
ISO 16750-3,
Table 14
ISO 16750-3,
Table 14
ISO 16750-3,
Table 14
ISO 16750-3,
Table 14
ISO 16750-3,
Table 14
Shock
SAE J2464 SAE J2464 SAE J2464 SAE J2464 SAE J2464
POWER & ENERGY
Usable Specific Power, Pd
5
6,800 W/kg 5,800 W/kg 6,600 W/kg 6,900 W/kg 5,900 W/kg
Impedance Match Specific Power, Pmax
6
14,000 W/kg 12,000 W/kg 14,000 W/kg 14,000 W/kg 12,000 W/kg
Specific Energy, Emax
7
4.1 Wh/kg 4.7 Wh/kg 5.4 Wh/kg 5.6 Wh/kg 6.0 Wh/kg
Stored Energy
8
0.66 Wh 1.22 Wh 1.52 Wh 2.03 Wh 3.04 Wh
LIFE
High Temperature
1
(at Rated Voltage & Maximum Operating
Temperature)
1,500 hours 1,500 hours 1,500 hours 1,500 hours 1,500 hours
Capacitance Change
(% decrease from minimum initial value) 20% 20% 20% 20% 20%
ESR Change
(% increase from maximum initial value) 100% 100% 100% 100% 100%
Room Temperature
1
(at Rated Voltage & 25oC) 10 years 10 years 10 years 10 years 10 years
Capacitance Change
(% decrease from minimum initial value) 20% 20% 20% 20% 20%
ESR Change
(% increase from maximum initial value) 100% 100% 100% 100% 100%
Cycle Life
1,9
1,000,000
cycles
1,000,000
cycles
1,000,000
cycles
1,000,000
cycles
1,000,000
cycles
Capacitance Change
(% decrease from minimum initial value) 20% 20% 20% 20% 20%
ESR Change
(% increase from maximum initial value) 100% 100% 100% 100% 100%
Test Current 65 A 100 A 100 A 100 A 100 A
Shelf Life
1,10
(Stored uncharged up to a maximum storage
temperature)
2 years 2 years 2 years 2 years 2 years
SAFETY
Short Circuit Current, typical
(Current possible with short circuit from rated
voltage. Do not use as an operating current.)
3,400 A 4,700 A 5,700 A 7,700 A 9,300 A
Certifications
RoHS,
UL810a
RoHS,
UL810a
RoHS,
UL810a
RoHS,
UL810a
RoHS,
UL810a
Page 3 Document number: 1015370.3 maxwell.com
DATASHEET K2 SERIES ULTRACAPACITORS
80%
90%
100%
110%
120%
130%
140%
150%
160%
170%
180%
-60 -40 -20 0 20 40 60 80
Temperature (°C)
Percentage change from value at 25°C
Capacitance
DC ESR
TYPICAL CHARACTERISTICS
THERMAL CHARACTERISTICS
BCAP0650 BCAP1200 BCAP1500 BCAP2000 BCAP3000
Thermal Resistance
(Rth, Case to
Ambient), typical26.5
C/W
5.3
C/W
4.5
C/W
3.8
C/W
3.2
C/W
Thermal Capacitance (Cth), typical 2
190 J/
C
300 J/
C
320 J/
C
410 J/
C
600 J/
C
MOUNTING RECOMMENDATIONS
Do not reverse polarity. Please refer to document
number 1016419, available at maxwell.com for welding
recommendations.
MARKINGS
Products are marked with the following information:
Rated capacitance, rated voltage, product number,
name of manufacturer, positive terminal, warning
marking, serial number.
ESR AND CAPACITANCE VS TEMPERATURE
NOTES
1. Capacitance and ESRDC measured at 25°C per
Document Number 1007239 available at
www.maxwell.com.
2. Per Maxwell Document 1007239 available at
www.maxwell.com.
3. Maximum Peak current (1 sec) =
4. After 72 hours at 25°C and rated voltage. Initial
leakage current can be higher.
5. Per IEC 62391-2, Pd =
6. Pmax =
7. Emax =
8. Estored =
9. Cycle per Document Number 1007239 available at
www.maxwell.com.
10. No more than 10% decrease in capacitance from
minimum initial capacitance or 50% increase in ESR
from maximum initial ESR.
11. Absolute maximum voltage non repeated, not to
exceed 1 second.
½ CV
C x ESRDC + 1
0.12V2
ESRDC x mass
V2
4 x ESRDC x mass
½ CV2
3,600 x mass
½ CV2
3,600
Page 4 Document number: 1015370.3 maxwell.com
Maxwell Technologies, Inc.
Global Headquarters
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San Diego, CA 92123
USA
Tel: +1 858 503 3300
Fax: +1 858 503 3301
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Shanghai 200122, P.R. China
Tel: +86 21 5836 8780
Fax: +86 21 5836 8790
DATASHEET K2 SERIES ULTRACAPACITORS
Part Description
Dimensions (mm)
Package Quantity
L (±0.3mm) D1 (±0.2mm) D2 (±0.7mm)
BCAP0650 P270 K04/05 51.5 60.4 60.7 30
BCAP1200 P270 K04/05 74 60.4 60.7 30
BCAP1500 P270 K04/05 85 60.4 60.7 30
BCAP2000 P270 K04/05 102 60.4 60.7 15
BCAP3000 P270 K04/05 138 60.4 60.7 15
Product dimensions are for reference only unless otherwise identied. Product dimensions and specications may change without notice.
Please contact Maxwell Technologies directly for any technical specications critical to application. All products featured on this
datasheet are covered by the following U.S. patents and their respective foreign counterparts: 7511941, 7492574, 7307830, 6.842.330,
6.631.074, 6.804.108, 6.813.139, 7.352.558, 7.295.423, 7.090.946, 7.508.651, 7.492.571, 7.342.770, 6.643.119, 7.384.433, 7.147.674, 7.317.609,
7.495.349, 7.102.877.
L
M12 X 1.75 - 6g
14
D2
53 MAX
2.8
MAX
UNTHREADED
LENGTH LENGTH
2.8 MAX
UNTHREADED
14
M12 X 1.75 - 6g
D1
ANGLE ±0.5°
.XX ±.125
.X ±.25
9244 BALBOA AVENUE, SAN DIEGO, CA 92123 U.S.A
CHECKED
PROCESS ENGR
PRODUCTION ENGR
MECHANICAL ENGR
QUALITY ENGR
1
2
3
4
4
3
2
1
A
B
C
D D
C
B
A
DRAWN
DESIGN ENGR
TEST ENGR
B-PG1 REV A 7/01
SCALE
DOC. NO.
SHEET
DO NOT SCALE DRAWING
MATERIAL
FINISH
UNLESS OTHERWISE SPECIFIED, ALL DIMENSIONS
ARE IN MILLIMETERS AFTER PLATING.
BREAK EDGES 0.3
LATHE FINISH 63 µINCH, MILL FINISH 125 µINCH
X.XXX DIAMETERS
0.125 TIR X.XXX DIA
SURFACES
&
0.025mm
APPROVALS
DATE
SIZE
CAGE CODE
PART NO.
REV
B
68911
DESCRIPTION
CO
DESCRIPTION
REV
REVISIONS
2:1
1
OF
1
N/A
REV
5
3000-T
R.DUBINSKAYA
3/2/2011
PER IFS
PER IFS
X/X ±.5
NOTICE:
THE INFORMATION CONTAINED IN THIS
DOCUMENT IS MAXWELL CONFIDENTIAL
INFORMATION AND IS THE SOLE PROPERTY
OF MAXWELL TECHNOLOGIES. ANY
REPRODUCTION IN PART OR WHOLE
WITHOUT WRITTEN PERMISSION OF
MAXWELL TECHNOLOGIES IS PROHIBITED.
CAUTION
CONTAINS PARTS AND/OR ASSEMBLIES
SUSCEPTIBLE TO DAMAGE BY
ELECTROSTATIC DISCHARGE (ESD)
3RD ANGLE PROJECTION
1
PROTOTYPE
BCAPxxxx P270 K04
BCAPxxxx P270 K05
60.7 0.7
60.4 0.2
3.180 0.125
14.00 0.05 14.00 0.05
3.180 0.125
A
0.3
53 MAX
R 0.6 MAXR 0.6 MAX
0.5 MAX EDGE BREAK0.5 MAX EDGE BREAK
MODEL
P/N WITH HEAT SHRINK TUBING
P/N WITH LABELS
A
BCAP0650
108700, 108700B 108294, 108294B
51.5
BCAP1200
108702, 108702B 108316, 108316B
74
BCAP1500
108704, 108704B 108324, 108324B
85
BCAP2000
108706, 108706B 108325, 108325B
102
BCAP3000
108708, 108708B 108058, 108058B
138
ANGLE ±0.5°
.XXX ±.125
.XX ±.25
9244 BALBOA AVENUE, SAN DIEGO, CA 92123 U.S.A
CHECKED
PROCESS ENGR
PRODUCTION ENGR
MECHANICAL ENGR
QUALITY ENGR
C:\Rina\ALISON\
1
2
3
4
4
3
2
1
A
B
C
D D
C
B
A
DRAWN
DESIGN ENGR
TEST ENGR
B-PG1 REV A 7/01
SCALE
DOC. NO.
SHEET
DO NOT SCALE DRAWING
MATERIAL
FINISH
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN MILIMETERS AFTER
PLATING.
BREAK SHARP EDGES
USE MINIMUM BEND RADII
APPROVALS
DATE
SIZE
CAGE CODE
PART NO.
REV
B
68911
DESCRIPTION
CO
DESCRIPTION
REV
REVISIONS
SEE TABLE
1:1
1
OF
1
N/A
REV
1014428
1
BCAP, ENVELOPE ASSY, K2, J
Material
ANODIZE, TYPE II
CLASS 2, PANTONE
286 BLUE
Author
9/13/2010
1
1
-
1
.X ±.5
NOTICE:
THE INFORMATION CONTAINED IN THIS
DOCUMENT IS MAXWELL CONFIDENTIAL
INFORMATION AND IS THE SOLE PROPERTY
OF MAXWELL TECHNOLOGIES. ANY
REPRODUCTION IN PART OR WHOLE
WITHOUT WRITTEN PERMISSION OF
MAXWELL TECHNOLOGIES IS PROHIBITED.
CAUTION
CONTAINS PARTS AND/OR ASSEMBLIES
SUSCEPTIBLE TO DAMAGE BY
ELECTROSTATIC DISCHARGE (ESD)
3RD ANGLE PROJECTION
REFERENCE IFS FOR APPROVAL AND APPROVAL
DATES
1
PRODUCTION RELEASE
L
D2 D1