NESSCAP
®
Ultracapacitor Data sheet
NESSCAP 400F/2.7V
Features
-
-
Cylindrical cell
Radial lead terminals
60+2 MAX
6±1
ESHSR-0400C0-002R7
(+) Positive Terminal
Blank Terminal
Ø35+1MAX
Safety Vent
Sleev( PVC)
.
(-) Negative Terminal
Dimensions in mm (not to scale)
CAUTION
Use the blank terminals for mechanical support only
The blank terminals must not be connected any copper on PCB
Be sure to electrically isolate from negative the positive terminals.
Specifications
Rated Capacitance, C (DCC
(1)
, 25
o
C)
Capacitance Tolerance
Rated Voltage, V
R
Surge Voltage
Rated Current (25
o
C)
(2)
Max. Current (25
o
C)
(3)
Max. Stored Energy (at V
R
)
Gravimetric
Specific Energy
Volumetric
Gravimetric
Specific Power
(4)
Volumetric
400 Farads
-10% / +10%
2.7 V
2.85 V
81 A
> 202 A
1,458J (0.405Wh)
6.23 Wh/kg
6.98 Wh/l
5.34 kW/kg
5.99 kW/l
3.2 mΩ
4.2 mΩ
φ
35 x
l
60 mm
58 ml
65 g
-40 ~ 60 °C
-40 ~ 70 °C
1.0 mA
10 years
500,000 cycles
(6) C < 30% and ESR < 2 times of initially
measured value, respectively and LC < specified
value
(7) 1 cycle: charging to V
R
for 20s, constant
voltage charging for 10s, discharging to 1/2V
R
for 20s, rest for 10s
-1-
(5) C < 20% and ESR < 2 times of initially
measured value at 25
o
C, respectively
(1) Discharging with constant current
(2) 5 sec discharge rate to 1/2 V
R
(3) 1 sec discharge rate to 1/2 V
R
(at matched load)
(4) Power density at which one-half the energy of
the discharge is in the form of electricity and one-
half is in heat.
AC (1kHz)
Maximum Internal
Resistance (ESR)
DC (20A)
Dimensions
Volume
Weight
Operating temperature range
(5)
Storage temperature range
Max. Leakage Current, L
C
( 72h, 25
o
C)
Life Time at RT
(6)
Cycle Life (25
o
C)
(6), (7)
© NESSCAP 2003. All Rights reserved. Design, Specifications are subject to change without notice.
NESSCAP Co., Ltd.
Gomae-ri 750-8, Kiheung-Eup, Yongin-City, Kyonggi-Do 449-901, Korea
Tel: +82-31-289-0721 Fax: +82-31-286-6767 e-mail: marketing@nesscap.com
www.nesscap.com