Description
Cooper Bussmann®PowerStor®supercapacitors are unique, ultra-high
capacitance devices utilizing electrochemical double layer capacitor (EDLC)
construction combined with new, high performance materials. This
combination of advanced technologies allows Cooper Bussmann to offer a
wide variety of capacitor solutions tailored to specific applications that range
from a few micro-amps for several days to several amps for milliseconds.
Features & Benefits
• Eco-friendly
• Long cycle life
• High-rated voltage
• Small-sized and large capacity
Applications
• RTC Back-up (MP3, PMP, MD player, DSC, wireless phone, pagers,
PDA, cellular phone, etc.)
• Solar watch, solar calculators
Supercapacitors
KSR Series
Specifications
KSR-2R8334-R KSR-3R3204-R
Working Voltage 2.8V 3.3V
Surge Voltage 2.8V 3.3V
Nominal Capacitance 0.33F 0.22F
Capacitance Tolerance -20% to +80% (20°C) -20% to +80% (20°C)
Operating Temperature Range -10°C to 60°C -10°C to 60°C
Standard Product
Nominal Nominal ESR (Ω) (Equivalent Series Resistance) Nominal Dimensions (mm) Typical Mass
Capacitance (F) Part Number Measured @1kHz Diameter Thickness (grams/piece)
0.22 KSR-3R3204-R 200 6.8 1.4 0.19
0.33 KSR-2R8334-R 200 6.8 1.4 0.19
Performance
Capacitance Change ESR (Ω)
Parameter (% of initial measured value) (% of initial specified value)
Life (0.22F = 1000 hrs @ 60°C @ 3.3Vdc) <30 % <400
(0.33F = 1000 hrs @ 60°C @ 2.8Vdc)
Storage - Low and High Temperature
(1000 hrs @ -10°C and 60°C) <30 % <400
0110 BU-SB10005 Page 1 of 2 Data Sheet: 4305
The only controlled copy of this Data Sheet is the electronic read-only version located on the Cooper Bussmann Network Drive. All other copies of this document are by definition uncon-
trolled. This bulletin is intended to clearly present comprehensive product data and provide technical information that will help the end user with design applications. Cooper Bussmann
reserves the right, without notice, to change design or construction of any products and to discontinue or limit distribution of any products. Cooper Bussmann also reserves the right to
change or update, without notice, any technical information contained in this bulletin. Once a product has been selected, it should be tested by the user in all possible applications.
Life Support Policy: Cooper Bussmann does not authorize the use of any of its products for use in life support devices or systems without the express written approval of an officer of the
Company. Life support systems are devices which support or sustain life, and whose failure to perform, when properly used in accordance with instructions for use provided in the label-
ing, can be reasonably expected to result in significant injury to the user.
North America
Cooper Bussmann
1225 Broken Sound Parkway NW
Suite F
Boca Raton, FL 33487-3533
Tel: 1-561-998-4100
Fax: 1-561-241-6640
Toll Free: 1-888-414-2645
Cooper Bussmann
P.O. Box 14460
St. Louis, MO 63178-4460
Tel: 1-636-394-2877
Fax: 1-636-527-1607
Europe
Cooper Bussmann
Cooper (UK) Limited
Burton-on-the-Wolds
Leicestershire • LE12 5TH UK
Tel: +44 (0) 1509 882 737
Fax: +44 (0) 1509 882 786
Cooper Bussmann
Avda. Santa Eulalia, 290
08223
Terrassa, (Barcelona), Spain
Tel: +34 937 362 812
+34 937 362 813
Fax: +34 937 362 719
Asia Pacific
Cooper Bussmann
1 Jalan Kilang Timor
#06-01 Pacific Tech Centre
Singapore 159303
Tel: +65 278 6151
Fax: +65 270 4160
© 2010 Cooper Bussmann
St. Louis, MO 63178
www.cooperbussmann.com
0110 BU-SB10005 Page 2 of 2 Data Sheet: 4305
Packaging Information
Standard packaging: Bulk, 1000 units per pack.
Part Marking
Manufacturer
Product Series & Size
Part Numbering System
KSR-3R320 4 - R
Series Voltage (V) Capacitance (μF)
Code R is Decimal Value Multiplier
K = SR = SMT 3R3 = 3.3V Example RoHS
Coin Cell Low-Profile 204 = 20 x 104μF or 0.2F Compliant
Dimensions - mm
Note: These parts are not suitable for reflow solder.
