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Page 2 Document number: 3001961-EN.3 maxwell.com
Datasheet: 5.0V 2.5F ULTRACAPACITOR MODULE
MAXWELL TECHNOLOGIES, MAXWELL, MAXWELL CERTIFIED INTEGRATOR, ENABLING ENERGY’S FUTURE, DURABLUE, NESSCAP, XP, BOOSTCAP, D CELL,
CONDIS and their respective designs and/or logos are either trademarks or registered trademarks of Maxwell Technologies, Inc., and/or its affiliates, and may not be copied,
imitated or used, in whole or in part, without the prior written permission Maxwell Technologies, Inc. All contents copyright © 2018 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.
The information in this document is correct at time of printing and is subject to change without notice. Images are not to scale. Products and related processes may be covered by one or more U.S. or
international patents and pending applications. Please see www.maxwell.com/patents for more information.
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Part Description
Dimensions (mm)
W
(max.)
L
(max.)
D
(max.)
d
(±0.05)
H1
(min.)
H2
(min.)
A
(±0.1)
BMOD0002 P005
B02 21.5 23.0 12.0 0.60 15.0 19.0 10.6
BMOD0002 P005 B02
When ordering, please reference the Maxwell Model Number below.
Maxwell Model Number: Maxwell Part Number: Alternate Model Number:
BMOD0002 P005 B02 133731 EMHSR-0002C5-005R0
1. Surge Voltage
Absolute maximum voltage, non-repetitive. Duration not to exceed 1 second.
2. “Typical” values represent mean values of production sample.
3. Rated Capacitance & ESRDC (measure method)
• Capacitance: Constant current charge (4 * C * VR[mA]) to VR, 5 min hold at VR,
constant current discharge (4 * C * VR[mA]) to 0.1 V.
e.g. in case of 5.0V 2.5F module, 4 * 2.5 * 5.0 = 50 mA.
• ESRDC: Constant current charge (4 * C * VR[mA]) to VR, 5 min hold at VR,
constant current discharge (40 * C * VR[mA]) to 0.1 V.
e.g. in case of 5.0V 2.5F module, charge with 4 * 2.5 * 5.0 = 50 mA and
discharge with 40 * 2.5 * 5.0 = 500mA .
4. Maximum Leakage Current
• Current measured after 72 hrs at rated voltage and 25°C. Initial leakage current can
be higher.
• If applicable, module leakage current is the sum of cell and balancing circuit
leakage currents.
5. Maximum Peak Current
• Current needed to discharge cell/module from rated voltage to half-rated
voltage in 1 second.
where C is the capacitance (F);
I is the absolute value of the discharge current (A);
VR is the rated voltage (V);
V1 is the measurement start voltage, 0.8ⅹVR (V);
V2 is the measurement end voltage, 0.4ⅹVR (V);
t1 is the time from start of discharge to reach V1 (s);
t2 is the time from start of discharge to reach V2 (s);
ESRDC is the DC-ESR (Ω);
ΔV is the voltage drop during first 10ms of discharge (V).
I =
where Δt is the discharge time (sec); Δt = 1 sec in this case
• The stated maximum peak current should not be used in normal operation
and is only provided as a reference value.
6. Energy & Power (Based on IEC 62391-2)
• Maximum Stored Energy, Emax(Wh) =
• Gravimetric Specific Energy (Wh/kg) =
• Usable Specific Power (W/kg) =
• Impedance Match Specific Power (W/kg) =
• Presented Power and Energy values are calculated based on Rated
Capacitance & Rated (Max.) ESRDC, Initial values.
7. Cycle Life Test Profile
Cycle life varies depending upon application-specific characteristics. Actual
results will vary.
8. Temperature Rise at Constant Current
• ∆T=IRMS
2 x ESRDC x Rth
where ∆T: Temperature rise over ambient (°C)
IRMS: Maximum continuous or RMS current (A)
Rth: Thermal resistance, module to ambient (°C/W)
ESRDC: Rated (Max.) ESRDC(Ω).
(Note: Design should consider EOL ESRDC for application temperature rise
evaluation.)
9. 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.
10. BOL: Beginning of Life, rated initial product performance
EOL: End of Life criteria.
• Capacitance: 80% of min. BOL rating
• ESRDC: 2x max. BOL rating
½VR
∆t / C + ESRDC
I x (t2-t1)
V1-V2
C = ΔV
I
ESRDC =
½CVR
2
3,600
Emax
mass
0.12VR
2
ESRDC x mass
0.25VR
2
ESRDC x mass