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Application Notes
North America (USA): 1-888-41-ASTEC Europe (UK): 44(1384)842-211 Asia (HK): 852-2437-9662
Table 1-1: Input/Output Capacitors
[1] N/R –Not recommended. The voltage rating does not meet the minimum operating limits.
[2] The voltage rating of this capacitor only allows it to be used for output voltages that are equal to or less than 5.1 V.
[3] Total capacitance of 540 μF is acceptable based on the combined ripple current rating.
[4] Small ceramic capacitors may used to complement electrolytic types at the input to further reduce high-frequency ripple current.
ATH26K12 Series
Capacitor Vendor, Type
Series (Style)
Capacitor Characteristics
Quantity
Working
Voltage
Value
(μF)
Max. ESR
at 100 kHz
Max Ripple
Current at 85 °C
(Irms)
Physical
Size(mm)
Input
Bus
Optional
Output
Bus
Vendor Part Number
Panasonic
FC (Radial)
FK (SMD)
25 V
25 V
25 V
35 V
330
560
470
680
0.090
0.065
0.080
0.060
>1100 mA
1205 mA
>1100 mA
1100 mA
10
×
12.5
12.5
×
15
10
×
10.2
12.5
×
13.5
2
1
2
1
1
1
1
1
EEUFC1E331
EEUFC1E561S
EEVFK1E471P
EEVFK1V681Q
United Chemi-Con
FX, Os-con (SMD)
LXZ, Aluminum (Radial)
PS, Poly-Aluminum(Radial)
PXA, Poly-Aluminum (SMD)
16 V
16 V
25 V
16 V
16 V
330
330
680
330
330
0.018
0.090
0.068
0.014
0.014
4500 mA
760 mA
1050 mA
5060 mA
5050 m A
10
×
10.5
10
×
12.5
10
×
16
1
0 ×
12.5
10
×
12.2
2
2
1
2
2
≤
3
1
1
≤
3
≤
3
16FX330M
LXZ25VB331M10X12LL
LXZ16VB681M10X16LL
16PS330MJ12
PXA16VCMJ12
Nichicon, Aluminum
HD (Radial)
PM (Radial)
25 V
25 V
35 V
560
680
560
0.060
0.038
0.048
1060 mA
1430 mA
1360 mA
12.5
×
15
10
×
16
16
×
15
1
1
1
1
1
1
UPM1E561MHH6
UHD1C681MHR
UPM1V561MHH6
Panasonic, Poly-Aluminum:
WA (SMD)
S/SE (SMD)
16 V
6.3 V
330
180
0.022
0.005
4100 mA
4000 mA
10
×
10.2
7.3
×
4.3
×
4.2
2
N/R
[1]
≤
3
≤
1
[2]
EEFWA1C331P
EEFSE0J181R
(V
o
£
5.1V)
Sanyo
T PE, Poscap (SMD)
SP, Os-Con (Radial)
SVP, Os-Con (SMD)
10 V
16 V
16 V
330
270
330
0.025
0.018
0.016
3000 mA
>3500 mA
4700 mA
7.3L
×
5.7W
10
×
10.5
11
×
12
N/R
[1]
2
[3]
2
≤
4
≤
3
≤
3
10T PE330M
16SP270M
16SVP330M
AVX, Tantalum, Series III
T PS (SMD)
10 V
10 V
470
330
0.045
0.045
>1723 mA
>1723 mA
7.3L
×
5.7W
×
4.1H
N/R
[1]
N/R
[1]
≤
5
[2]
≤
5
[2]
T PSE477M010R0045
(V
o
£
5.1V)
T PSE337M010R0045
(V
o
£
5.1V)
Kemet, Poly-Tantalum
T 520 (SMD)
T 530 (SMD)
10 V
10 V
6.3 V
330
330
470
0.040
0.015
0.012
1800 mA
>3800 mA
4200 mA
4.3W
×
7.3L
×
4.0H
N/R
[1]
N/R
[1]
N/R
[1]
≤
5
≤
2
≤
2
[2]
T 520X337M010AS
T 530X337M010AS
T 530X477M006AS
(V
o
£
5.1V)
Vishay-Sprague
595D, Tantalum (SMD)
94SA, Os-con (Radial)
10 V
16 V
470
1,000
0.100
0.015
1440 mA
9740 mA
7.2L
×
6W
×
4.1H
16
×
25
N/R
[1]
1
≤
5
[2]
≤
2
595D477X0010R2T
(V
o
£
5.1V
94SA108X0016HBP
Kemet, Ceramic X5R (SMD)
16 V
6.3 V
10
47
0.002
0.002
—
1210 case
3225 mm
1
[4]
N/R
[1]
≤
5
≤
5
C1210C106M4PAC
C1210C476K9PAC
Murata, Ceramic X5R (SMD)
6.3 V
6.3 V
16 V
16 V
100
47
22
10
0.002
—
1210 case
3225 mm
N/R
[1]
N/R
[1]
1
[4]
1
[4]
≤3
≤
5
≤
5
≤
5
GRM32ER60J107M
GRM32ER60J476M
GRM32ER61C226K
GRM32DR61C106K
T DK, Ceramic X5R (SMD)
6.3 V
6.3 V
16 V
16 V
100
47
22
10
0.002
—
1210 case
3225 mm
N/R
[1]
N/R
[1]
1
[4]
1
[4]
≤3
≤
5
≤
5
≤
5
C3225X5R0J107MT
C3225X5R0J476MT
C3225X5R1C226MT
C3225X5R1C106MT