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New Product Release
T520 Series – KO Cap – KEMET Organic Capacitor
Low ESR Tantalum Chip Capacitor with Polymer Electrode
KEMET introduces the new T520 Series KEMET Organic - KO - Capacitor. The KO Cap is a Tantalum capac-
itor, with Ta anode and Ta2O5 dielectric. However, a conductive, organic, polymer replaces the MnO2 as the cath-
ode plate of the capacitor. The polymer is 100 times more conductive than the MnO2. This results in very low ESR
(up to 50% less than equivalent standard Ta types) and improved cap retention at high frequency. The KO cap also
exhibitis a benign failure mode, which eliminates the ignition failures that can occur in standard Tantalum types.
mRemoval of the MnO2 eliminates the source of oxygen that can fuel the ignition if the capacitor fails short in a cir-
cuit that allows high fault current.
oThe new T520 series captures the best features of multilayer ceramic caps (low ESR and high frequency cap
retention), aluminum electrolytics (benign failure mode), and proven solid tantalum technology (volumetric effi-
.cciency, surface mount capability, and no wearout mechanism). The KO Cap can reduce component counts, elimi-
nate through-hole assembly by replacing cumbersome leaded aluminum capacitors, and offer a more cost effec-
Utive solution to high-cost high-cap ceramic capacitors. These benefits allow the designer to save both board space
and money.
t4Outline Drawings
.DataSheeCase Size
KEMET EIA/IECQ
wD 7343
V 7343L
L
7.3 ± 0.3
7.3 ± 0.3
Dimensions - Millimeters
W
4.3 ± 0.3
4.3 ± 0.3
H K ±0.20
2.8 ± 0.3 1.5
1.9 ± 0.1 1.1
F ±0.1
2.4
2.4
S ±0.3 X(Ref) T(Ref) A(Min) G(ref) E(ref)
1.3 0.10 ± 0.10 0.13 3.8 3.5 3.5
1.3
0.05
0.13 3.8 3.5 3.5
wwT520 Ratings & Part Number Reference
Cap
µF
(±20%)
220
150
150
220
330
100
150
Case
Size
V/7343L
D/7343
V/7343L
D/7343
D/7343
D/7343
D/7343
ESR m
KEMET
DC Leakage DF % 120 Hz 100kHz 25º
Part Number
µA +25ºC Max + 25ºC Max
Max
4 Volt Rating at +85ºC (3.3 Volt Rating at 105ºC)
T520V227M004AS
88.0
10% 45
6.3 Volt Rating at 85ºC (5 Volt Rating at 105ºC)
T520D157M006AS
94.5
10% 55
T520V157M006AS
94.5
10% 45
T520D227M006AS
138.6
10% 50
T520D337M006AS
207.9
10% 45
10 Volt Rating at +85ºC (8 Volt Rating at 105ºC)
T520D107M010AS
100.0
10% 80
T520D157M010AS
150.0
10% 55
Ripple Current mA rms
100 kHz Max
25ºC
85ºC 105ºC
1657
1491
663
1651
1657
1732
1826
1486
1491
1559
1643
660
662
693
730
1369
1651
1232
1486
548
660
F3233 1/00

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T520 Ordering Information
Component Marking
Recommended Mounting Pad
Geometries - Millimeters
Capacitance
ESR and Impedance
Land Pattern Dimensions for
Reflow Solder
KEMET/EIA Size Code Z
Pad Dimensions
GX Y C
(ref) (ref)
D/7343, V/7343L
8.90 3.80 2.70 2.55 6.35
Tape & Reel Packaging
Case Codes
KEMET EIA
Tape
Width
mm
Tape & Reel Dimensions
Pitch
Reel Quantity
mm ± 0.1
Part Spro- 180mm 330mm
cket (7” dia) (13” dia)
D 7343 12 ± 0.3 8
V 7343L 12 ± 0.3 8
4
4
500
1000
2500
3000
T520 Series Construction
KEMET Electronics Corporation • P.O. Box 5928 • Greenville, SC 29606 • (864) 963-6300 • www.kemet.com