UltraCap
Module
33 F/ 42 V
Series/Type:
Ordering code: B48621A7334Q018
Date: March 2005
© EPCOS AG 2005. Reproduction, publication and dissemination of this data sheet, enclosures hereto and the
information contained therein without EPCOS' prior express consent is prohibited.
Purchase orders are subject to the General Conditions for the Supply of Products and Services of the Electrical
and Electronics Industry recommended by the ZVEI (German Electrical and Electronic Manufacturers' Associ-
ation), unless otherwise agreed.
Features
Screw terminal M8 ×15 (plus, minus)
Active cell voltage balancing
Case material polyethylene, black
Power type
18 serial single cells of 600 F
Maintenance-free
Short-circuit-proof
Low ESR due to laser-welded
interconnections
Options
Passive cell voltage balancing (by resistor)
Note
Please pay attention to the safety, transport
and waste disposal instructions in chapter
"Cautions".
Dimensional drawing
Dimensions in mm
Electrical specifications
1) DCC: discharging with constant current.
2) Requirements: ∆C/CR≤30%, ESR ≤2 times of specified limit, Ileak ≤2 times of initial value.
3) Requirements: ∆C/CR≤30%, ESR ≤2 times of specified limit, Ileak ≤2 times of initial value (1 cycle: charging to VR, 30 s rest,
discharging to VR/2, 30 s rest).
Rated capacitance (TA=25°C; DCC) 1) CR33 F
Tolerance of CR10/+30 %
Rated voltage (TA=25°C) VR42 V
Capacity 390 mAh
Specific power (IEC 62391-2) 1.6 kW/kg
Specific power (IEC 62391-2) 1.4 kW/l
Stored energy (V = VR) E 29106 J
Specific energy (V = VR) 1.5 Wh/kg
Specific energy (V = VR) 1.3 Wh/l
Surge voltage Vsurge 48 V
Maximum series resistance (TA=25°C; 1 kHz) ESR 12.0 mΩ
Maximum series resistance (TA=25°C; 50 mHz) ESRDC 24.0 mΩ
Weight 5.5 kg
Volume 6.1 l
Operating temperature range Top 30/+70 °C
Storage temperature (V = 0 V) Tst 40/+70 °C
Lifetime (hours) 2) (TA=25°C;V=VR) 90000 h
Lifetime (cycles) 3) (TA=25°C; I = 25 A) 500000 cycles
UltraCapB48621A7334Q018
Module, 33 F/ 42 V
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