ECQ-B2333JF [PANASONIC]
Plastic Film Capacitors;
| 型号： | ECQ-B2333JF |
| 厂家： | 
PANASONIC |
| 描述： | Plastic Film Capacitors |
| 文件： | 总6页 (文件大小：133K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
Plastic Film Capacitors
Polyester Film Capacitor
Type: ECQB(F)
Designed for high density insertion applications
IFeatures
Small in size
•
Excellent electric characteristics in non-inductive construction
RoHS directive compliant
•
•
IRecommended Applications
General purpose
•
IExplanation of Part Numbers
1
2
3
4
5
6
7
8
9
10
11
12
E
C
Q
B
F
Product code
Dielectric &
construction
Rated voltage
Capacitance
Cap. Tol. Suffix
Suffix
50 VDC 63 VDC 100 VDC 200 VDC
1H 1J
Taping
lead
Type2
5 % 10 %
1
2
Type1
Blank
Ammo
Reel
J
K
Straight Crimped Straight Crimped
style N style T
W
4
3
5
9
GExplanation of Prat Number for Odd Size Taping
E
C
Q
B
R
F
Product code
Dielectric &
construction
Rated voltage
Capacitance
7.5 mm
Crimped lead
Cap. Tol. Suffix
ISpecifications
Category temp. range
(Including temperature-rise on unit surface)
–40 ˚C to +105 ˚C
50 VDC, 63 VDC, 100 VDC, 200 VDC
(Derating of rated voltage by 2.5 %/˚C at more than 85 ˚C)
Rated voltage
Capacitance range
0.00010
µ
F to 0.47 µF
%
%
%
5
(J), 10 (K)
(0.00010 µF to 0.00039 µF/50 V, 63 VDC
:
10
only)
Capacitance tolerance
<
<
%
%
tan 0.8
=
(ECQB(F)100 VDC
:
tan 1.0 ) (20 ˚C, 1 kHz)
Dissipation factor (tan )
Withstand voltage
=
✕
%
Between terminals : Rated voltage(VDC) 250 1 s to 5 s
<
>
:
:
C
0.33
µ
F
F
IR 30000 MΩ
20 ˚C, 50 VDC, 60 s : ECQB1H(F), ECQB1J(F)
=
=
Insulation resistance (IR)
(
)
>
C > 0.33
µ
IR 10000 MΩ·
µ
F
20 ˚C, 100 VDC, 60 s : ECQB1(F), ECQB2(F)
=
❈
In case of applying voltage in alternating current (50 Hz or 60 Hz sine wave) to a capacitor with DC rated voltage, please
refer to the page of “Permissible voltage (R.M.S) in alternating current corresponding to DC rated voltage”.
IDimensions in mm (not to scale)
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Plastic Film Capacitors
IPackaging Specifications for Bulk Package
IPacking quantity : 100 pcs./bag
ITaping Specifications for Automatic Insertion
GTaping style
.
..
✕
.
Refer to the page of taping specifications.
GLead Spacing
GPackaging Specifications
Taping Style
AD AS B C D E
Style Lead Spacing
Rated
volt.
Cap.range
F)
Type
Packing
(µ
AD
AS
C
D
E
5.0 mm
5.0 mm
5.0 mm
7.5 mm
7.5 mm
Ammo
Ammo
Reel
Reel
Ammo
Reel
Ammo
Ammo
Reel
0.00010 to 0.22
0.00010 to 0.10
0.00010 to 0.22
0.00010 to 0.10
0.00010 to 0.033
0.00010 to 0.033
0.00010 to 0.12
0.00010 to 0.047
0.00010 to 0.10
0.00010 to 0.047
0.15 to 0.47
O
O
50 VDC
63 VDC
O
O
O O
O O
O
❈ See the column
“Rating, Dimensions
& Quantity Box” for
packing quantity.
ECQB (F)
O
100 VDC
200 VDC
O
Reel
O
Ammo
Ammo
Ammo
Ammo
Ammo
O
0.0010 to 0.033
0.0033 to 0.056
0.068 to 0.47
O
O
O
0.039 to 0.22
O
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Mar. 2006
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Plastic Film Capacitors
IRating, Dimensions & Quantity/Ammo Box & Reel
GType ECQB(F), Rated voltage:50 VDC, Capacitance tolerance: 5 (J), 10 (K)
Only 10 %(K)is available from 0.00010 µF to 0.00039 µF
%
%
Dimensions (mm)
Quantity
Cap.
(µF)
max.
Part No.
H
F
S
max.
max.
ø
d
L
T
Type 1 Type 2 Type 1 Type 2
Ammo Reel
ECQB1H101KF( )
ECQB1H121KF( )
ECQB1H151KF( )
ECQB1H181KF( )
ECQB1H221KF( )
ECQB1H271KF( )
ECQB1H331KF( )
ECQB1H391KF( )
ECQB1H471 MF( )
ECQB1H561 MF( )
ECQB1H681 MF( )
ECQB1H821 MF( )
ECQB1H102 MF( )
ECQB1H122 MF( )
ECQB1H152 MF( )
ECQB1H182 MF( )
ECQB1H222 MF( )
ECQB1H272 MF( )
ECQB1H332 MF( )
ECQB1H392 MF( )
ECQB1H472 MF( )
ECQB1H562 MF( )
ECQB1H682 MF( )
ECQB1H822 MF( )
ECQB1H103 MF( )
ECQB1H123 MF( )
ECQB1H153 MF( )
ECQB1H183 MF( )
ECQB1H223 MF( )
ECQB1H273 MF( )
ECQB1H333 MF( )
ECQB1H393 MF( )
ECQB1H473 MF( )
ECQB1H563 MF( )
ECQB1H683 MF( )
ECQB1H823 MF( )
ECQB1H104 MF( )
ECQB1H124 MF( )
ECQB1H154 MF( )
ECQB1H184 MF( )
ECQB1H224 MF( )
ECQB1H274 MF( )
ECQB1H334 MF( )
ECQB1H394 MF( )
ECQB1H474 MF( )
0.00010
0.00012
0.00015
0.00018
0.00022
0.00027
0.00033
0.00039
0.00047
0.00056
0.00068
0.00082
0.0010
0.0012
0.0015
0.0018
0.0022
0.0027
0.0033
0.0039
0.0047
0.0056
0.0068
0.0082
0.010
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.3
7.5
7.5
7.5
7.5
7.5
7.5
7.5
8.0
8.0
8.0
8.0
11.0
11.0
11.0
11.0
13.0
13.0
13.0
13.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.3
3.0
3.0
3.0
3.5
3.5
4.0
4.0
4.3
4.3
4.5
5.0
5.0
5.0
5.5
6.0
6.0
6.5
7.0
7.5
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.3
6.0
6.0
6.0
6.5
6.5
7.0
7.0
7.5
8.5
8.5
10.0
9.5
10.0
10.5
11.5
12.0
13.0
14.0
14.5
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.3
11.0
11.0
11.0
11.5
11.5
12.0
12.0
12.5
13.5
13.5
15.0
14.5
15.0
15.5
16.5
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
7.50
7.50
7.50
7.50
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
2000
2000
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
1000
1000
0.10
0.12
0.15
0.18
0.22
0.27
17.0 10.00
18.0 10.00
19.0 10.00
19.5 10.00
0.33
—
—
0.39
0.47
Suffix for lead crimped or taped type
Cap. tol. code
Style N: 0.00010 µF to 0.10 µF
Style T: 0.12 µF to 0.47 µF
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Mar. 2006
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Plastic Film Capacitors
IRating, Dimensions & Quantity/Ammo Box & Reel
G Type ECQB(F), Rated voltage: 63 VDC, Capacitance tolerance: 5 %(J), 10 %(K)
Only 10 %(K) is available from 0.00010 µF to 0.00039 µF
Dimensions (mm)
Quantity
Cap.
(µF)
max.
Part No.
H
F
S
max.
max.
ø
d
L
T
Type 1 Type 2 Type 1 Type 2
Ammo Reel
ECQB1J101KF(
ECQB1J121KF(
ECQB1J151KF(
ECQB1J181KF(
ECQB1J221KF(
ECQB1J271KF(
ECQB1J331KF(
ECQB1J391KF(
ECQB1J471 MF(
ECQB1J561 MF(
ECQB1J681 MF(
ECQB1J821 MF(
ECQB1J102 MF(
ECQB1J122 MF(
ECQB1J152 MF(
ECQB1J182 MF(
ECQB1J222 MF(
ECQB1J272 MF(
ECQB1J332 MF(
ECQB1J392 MF(
ECQB1J472 MF(
ECQB1J562 MF(
ECQB1J682 MF(
ECQB1J822 MF(
ECQB1J103 MF(
ECQB1J123 MF(
ECQB1J153 MF(
ECQB1J183 MF(
ECQB1J223 MF(
ECQB1J273 MF(
)
)
)
)
)
)
)
)
0.00010
0.00012
0.00015
0.00018
0.00022
0.00027
0.00033
0.00039
0.00047
0.00056
0.00068
0.00082
0.0010
0.0012
0.0015
0.0018
0.0022
0.0027
0.0033
0.0039
0.0047
0.0056
0.0068
0.0082
0.010
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.0
7.3
7.5
7.5
7.5
7.5
7.5
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.3
3.0
3.0
3.0
3.5
3.5
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.0
6.3
6.0
6.0
6.0
6.5
6.5
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.3
11.0
11.0
11.0
11.5
11.5
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
2000 2000
0.012
0.015
0.018
0.022
0.027
ECQB1J333 MF(
0.033
ꢀ
ꢀ
Style N: 0.00010 µF to 0.033 µF
Suffix for lead crimped or taped type
Cap. tol. code
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Mar. 2006
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Plastic Film Capacitors
IRating, Dimensions & Quantity/Ammo Box & Reel
GType ECQB(F), Rated voltage: 100 VDC, Capacitance tolerance: 5 (J), 10 (K)
%
%
%
Only 10 (K) is available from 0.00010 µF to 0.00039 µF
Dimensions (mm)
Quantity
Cap.
(µF)
max.
Part No.
H
F
S
max.
max.
ø
d
L
T
Type 1 Type 2 Type 1 Type 2
Ammo Reel
0.00010
0.00012
0.00015
0.00018
0.00022
0.00027
0.00033
0.00039
0.00047
0.00056
0.00068
0.00082
0.0010
0.0012
0.0015
0.0018
0.0022
0.0027
0.0033
0.0039
0.0047
0.0056
0.0068
0.0082
0.010
7.2
7.2
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.0
3.2
3.2
3.5
4.0
4.5
4.5
5.0
5.5
6.0
6.5
5.0
5.5
5.5
6.0
7.0
7.0
7.5
8.0
8.5
9.0
10.5
11.5
6.0
6.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.5
11.5
11.5
11.5
11.5
11.5
11.5
11.5
12.0
12.0
12.0
12.5
13.0
14.0
14.5
15.0
16.2
16.8
17.0
17.4
19.0
19.6
20.2
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
5.00
7.50
7.50
7.50
7.50
7.50
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
5.0
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
ECQB1101KF(
ECQB1121KF(
ECQB1151KF(
ECQB1181KF(
ECQB1221KF(
ECQB1271KF(
ECQB1331KF(
ECQB1391KF(
ECQB1471MF(
ECQB1561MF(
ECQB1681MF(
ECQB1821MF(
ECQB1102MF(
ECQB1122MF(
ECQB1152MF(
ECQB1182MF(
ECQB1222MF(
ECQB1272MF(
ECQB1332MF(
ECQB1392MF(
ECQB1472MF(
ECQB1562MF(
ECQB1682MF(
ECQB1822MF(
ECQB1103MF(
ECQB1123MF(
ECQB1153MF(
ECQB1183MF(
ECQB1223MF(
ECQB1273MF(
ECQB1333MF(
ECQB1393MF(
ECQB1473MF(
ECQB1563MF(
ECQB1683MF(
ECQB1823MF(
ECQB1104MF(
ECQB1124MF(
ECQB1154MF(
ECQB1184MF(
ECQB1224MF(
ECQB1274MF(
ECQB1334MF(
ECQB1394MF(
)
)
)
)
)
)
)
)
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
)
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
7.2
6.0
2000 2000
7.2
6.0
7.2
6.5
7.2
6.5
7.2
6.5
7.2
6.5
7.2
6.5
7.2
6.5
7.2
6.5
7.2
6.5
7.2
7.0
7.2
7.0
0.012
7.2
7.0
0.015
7.2
7.5
0.018
7.5
8.0
0.022
7.5
9.0
1000
0.027
7.5
9.5
0.033
7.5
10.0
11.2
11.8
12.0
12.4
14.0
14.6
15.2
13.8
14.4
15.2
17.2
18.0
19.0
19.2
0.039
7.5
1000
500
0.047
7.5
0.056
10.0
10.0
10.0
10.5
10.5
13.0
13.0
13.0
13.0
13.0
13.0
13.0
0.068
0.082
0.10
0.12
0.15
18.8 10.00
19.4 10.00
20.2 10.00
22.2 10.00
23.0 10.00
24.0 10.00
24.2 10.00
500
0.18
0.22
—
0.27
400
0.33
0.39
300
0.47
ECQB1474MF(
ꢀ
ꢀ
Suffix for lead crimped or taped type
Cap. tol. code
Style N: 0.00010 µF to 0.047 µF
Style T: 0.056 µF to 0.47 µF
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Mar. 2006
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
Plastic Film Capacitors
IRating, Dimensions & Quantity/Ammo Box & Reel
GType ECQB(F), Rated voltage: 200 VDC, Capacitance tolerance: 5 (J), 10 (K)
%
%
Dimensions (mm)
Quantity
S
Cap.
(µF)
max.
Part No.
H
F
max.
max.
ø
d
L
T
Type 1 Type 2 Type 1 Type 2
Ammo
0.0010
0.0012
0.0015
0.0018
0.0022
0.0027
0.0033
0.0039
0.0047
0.0056
0.0068
0.0082
0.010
0.012
0.015
0.018
0.022
0.027
0.033
0.039
0.047
0.056
0.068
0.082
0.10
8.5
8.5
4.0
4.0
4.0
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
5.0
5.5
5.5
6.0
6.5
7.0
5.0
5.5
6.0
5.5
6.0
7.0
6.5
7.5
8.0
9.0
8.0
9.0
10.0
11.5
7.0
7.5
12.0
12.5
12.5
12.5
12.5
13.0
12.5
12.5
13.5
13.5
14.0
14.0
15.0
15.5
15.5
15.0
15.5
16.5
17.0
17.5
18.0
18.5
18.0
18.5
19.5
21.0
22.0
22.5
23.5
22.5
23.5
24.5
25.5
5.00
5.00
5.0
5.0
0.50
0.50
0.50
0.50
0.50
0.50
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.60
0.80
0.80
0.80
0.80
ECQB2102MF( )
ECQB2122MF( )
ECQB2152MF( )
ECQB2182MF( )
ECQB2222MF( )
ECQB2272MF( )
ECQB2332MF( )
ECQB2392MF( )
ECQB2472MF( )
ECQB2562MF( )
ECQB2682MF( )
ECQB2822MF( )
ECQB2103MF( )
ECQB2123MF( )
ECQB2153MF( )
ECQB2183MF( )
ECQB2223MF( )
ECQB2273MF( )
ECQB2333MF( )
ECQB2393MF( )
ECQB2473MF( )
ECQB2563MF( )
ECQB2683MF( )
ECQB2823MF( )
ECQB2104MF( )
ECQB2124MF( )
ECQB2154MF( )
ECQB2184MF( )
ECQB2224MF( )
ECQB2274MF( )
ECQB2334MF( )
ECQB2394MF( )
ECQB2474MF( )
8.5
7.5
5.00
5.0
8.5
7.5
5.00
5.0
8.5
7.5
5.00
5.0
8.5
8.0
5.00
5.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
11.0
13.5
13.5
13.5
16.0
16.0
16.0
19.0
19.0
19.0
19.0
24.0
24.0
24.0
24.0
7.5
7.50
5.0
7.5
7.50
5.0
1000
8.5
7.50
5.0
8.5
7.50
5.0
9.0
7.50
5.0
9.0
7.50
5.0
10.0
10.5
10.5
10.0
10.5
11.5
12.0
12.5
13.0
13.5
13.0
13.5
14.5
16.0
17.0
17.5
18.5
17.5
18.5
19.5
20.5
7.50
5.0
7.50
5.0
7.50
5.0
7.50
5.0
7.50
5.0
7.50
5.0
500
800
7.50
5.0
10.00
10.00
10.00
12.50
12.50
12.50
15.00
15.00
15.00
15.00
20.00
20.00
20.00
20.00
7.5
7.5
7.5
10.0
10.0
10.0
12.5
12.5
12.5
12.5
15.0
15.0
15.0
15.0
500
0.12
0.15
0.18
400
0.22
0.27
0.33
—
0.39
0.47
Suffix for lead crimped or taped type
Cap. tol. code
Style N: 0.0010 µF to 0.0027 µF
Style T: 0.0033 µF to 0.47 µF
Design, Specifications are subject to change without notice.
Ask factory for technical specifications before purchase and/or use.
Mar. 2006
Whenever a doubt about safety arises from this product, please inform us immediately for technical consultation without fail.
相关型号：
ECQ-E1474KF3
The Type ECQ E series is using a dual side meta lized polyester film with high dielectric constant which makes it possible to produce large C values in small dimensions and is economical capacitor meeting high requirements for profes sional circut design
PANASONIC
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