|
|
Speciality Ceramic Capacitors 15UF 100V 20% 2220
- KRM55WR72A156MH01K
- Murata Electronics
-
1:
$3.63
-
19,329In Stock
|
Mouser Part No
81-KRM55WR72A156MH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors 15UF 100V 20% 2220
|
|
19,329In Stock
|
|
|
$3.63
|
|
|
$2.35
|
|
|
$2.33
|
|
|
$2.31
|
|
|
$2.24
|
|
|
View
|
|
|
$2.19
|
|
|
$2.11
|
|
Min.: 1
Mult.: 1
|
|
|
15 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 20%2uF 1250VDC 20% X7R
- KRM55TR7LX224MH01K
- Murata Electronics
-
1:
$3.01
-
521In Stock
|
Mouser Part No
81-RM55TR7LX224MH01K
|
Murata Electronics
|
Speciality Ceramic Capacitors 20%2uF 1250VDC 20% X7R
|
|
521In Stock
|
|
|
$3.01
|
|
|
$2.19
|
|
|
$1.90
|
|
|
$1.67
|
|
|
$1.47
|
|
|
View
|
|
|
$1.47
|
|
|
$1.33
|
|
|
$1.27
|
|
|
$1.24
|
|
Min.: 1
Mult.: 1
|
|
|
0.22 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape
|
|
|
|
Speciality Ceramic Capacitors 2.2UF 100V 10% 1206
- KRM31KR72A225KH01K
- Murata Electronics
-
1:
$1.17
-
22,819In Stock
|
Mouser Part No
81-KRM31KR72A225KH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors 2.2UF 100V 10% 1206
|
|
22,819In Stock
|
|
|
$1.17
|
|
|
$0.594
|
|
|
$0.544
|
|
|
$0.459
|
|
|
$0.384
|
|
|
View
|
|
|
$0.434
|
|
|
$0.433
|
|
|
$0.368
|
|
|
$0.366
|
|
Min.: 1
Mult.: 1
|
|
|
2.2 uF
|
|
Metal Frame
|
3.2 mm (0.126 in)
|
1.6 mm (0.063 in)
|
Metal Terminal Capacitors
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM55WR71H336MH01L
- Murata Electronics
-
1:
$4.14
-
1,063In Stock
|
Mouser Part No
81-KRM55WR71H336MH1L
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
1,063In Stock
|
|
|
$4.14
|
|
|
$2.95
|
|
|
$2.48
|
|
|
$2.11
|
|
|
$2.11
|
|
|
View
|
|
|
$1.95
|
|
|
$1.90
|
|
|
$1.88
|
|
|
$1.87
|
|
Min.: 1
Mult.: 1
|
|
|
33 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM55TR72E155MH01K
- Murata Electronics
-
1:
$2.78
-
1,408In Stock
|
Mouser Part No
81-KRM55TR72E155MH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
1,408In Stock
|
|
|
$2.78
|
|
|
$1.98
|
|
|
$1.71
|
|
|
$1.50
|
|
|
$1.10
|
|
|
View
|
|
|
$1.33
|
|
|
$1.09
|
|
|
$1.08
|
|
Min.: 1
Mult.: 1
|
|
|
1.5 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1000Vdc 10000pF +/-5%
- KRM55L7U3A103JDL1L
- Murata Electronics
-
1:
$2.62
-
566In Stock
|
Mouser Part No
81-KRM55L7U3A103JDLL
|
Murata Electronics
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1000Vdc 10000pF +/-5%
|
|
566In Stock
|
|
|
$2.62
|
|
|
$1.86
|
|
|
$1.60
|
|
|
$1.41
|
|
|
$1.34
|
|
|
View
|
|
|
$1.16
|
|
|
$1.12
|
|
Min.: 1
Mult.: 1
|
|
|
0.01 uF
|
1 kV
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.1 mm (0.201 in)
|
General Type MLCCs
|
U2J
|
5 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1250Vdc 10000pF +/-5%
- KRM55L7U3B103JDL1L
- Murata Electronics
-
1:
$3.11
-
359In Stock
|
Mouser Part No
81-KRM55L7U3B103JDLL
|
Murata Electronics
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1250Vdc 10000pF +/-5%
|
|
359In Stock
|
|
|
$3.11
|
|
|
$2.26
|
|
|
$1.95
|
|
|
$1.72
|
|
|
$1.48
|
|
|
View
|
|
|
$1.42
|
|
|
$1.33
|
|
Min.: 1
Mult.: 1
|
|
|
0.01 uF
|
1.25 kV
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.1 mm (0.201 in)
|
General Type MLCCs
|
U2J
|
5 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2220(5750M) U2J 630Vdc 33000pF +/-5%
- KRM55L7U2J333JDL1L
- Murata Electronics
-
1:
$2.69
-
390In Stock
|
Mouser Part No
81-KRM55L7U2J333JDLL
|
Murata Electronics
|
Speciality Ceramic Capacitors 2220(5750M) U2J 630Vdc 33000pF +/-5%
|
|
390In Stock
|
|
|
$2.69
|
|
|
$1.90
|
|
|
$1.64
|
|
|
$1.43
|
|
|
$1.30
|
|
|
View
|
|
|
$1.17
|
|
|
$1.15
|
|
Min.: 1
Mult.: 1
|
|
|
0.033 uF
|
630 V
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.1 mm (0.201 in)
|
General Type MLCCs
|
U2J
|
5 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2220(5750M) U2J 630Vdc 47000pF +/-5%
- KRM55L7U2J473JDL1L
- Murata Electronics
-
1:
$2.64
-
350In Stock
|
Mouser Part No
81-KRM55L7U2J473JDLL
|
Murata Electronics
|
Speciality Ceramic Capacitors 2220(5750M) U2J 630Vdc 47000pF +/-5%
|
|
350In Stock
|
|
|
$2.64
|
|
|
$1.88
|
|
|
$1.62
|
|
|
$1.45
|
|
|
$1.30
|
|
|
View
|
|
|
$1.19
|
|
|
$1.16
|
|
Min.: 1
Mult.: 1
|
|
|
0.047 uF
|
630 V
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.1 mm (0.201 in)
|
General Type MLCCs
|
U2J
|
5 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1000Vdc 8200pF +/-5%
- KRM55L7U3A822JDL1L
- Murata Electronics
-
1:
$2.62
-
358In Stock
|
Mouser Part No
81-KRM55L7U3A822JDLL
|
Murata Electronics
|
Speciality Ceramic Capacitors 2220(5750M) U2J 1000Vdc 8200pF +/-5%
|
|
358In Stock
|
|
|
$2.62
|
|
|
$1.86
|
|
|
$1.60
|
|
|
$1.40
|
|
|
$1.27
|
|
|
View
|
|
|
$1.16
|
|
|
$1.13
|
|
|
$1.12
|
|
Min.: 1
Mult.: 1
|
|
|
8200 pF
|
1 kV
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.1 mm (0.201 in)
|
General Type MLCCs
|
U2J
|
5 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM55QR71E336KH01L
- Murata Electronics
-
1:
$3.58
-
49In Stock
|
Mouser Part No
81-KRM55QR71E336KH1L
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
49In Stock
|
|
|
$3.58
|
|
|
$2.58
|
|
|
$2.24
|
|
|
$1.97
|
|
|
$1.72
|
|
|
View
|
|
|
$1.70
|
|
|
$1.67
|
|
|
$1.59
|
|
Min.: 1
Mult.: 1
|
|
|
33 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM55LR71H475KH01L
- Murata Electronics
-
1:
$2.64
-
300In Stock
|
Mouser Part No
81-KRM55LR71H475KH1L
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
300In Stock
|
|
|
$2.64
|
|
|
$1.87
|
|
|
$1.60
|
|
|
$1.41
|
|
|
$1.22
|
|
|
View
|
|
|
$1.14
|
|
|
$1.08
|
|
Min.: 1
Mult.: 1
|
|
|
4.7 uF
|
50 V
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
General Type MLCCs
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape
|
|
|
|
Speciality Ceramic Capacitors
- KRM21ER61E106KFA1K
- Murata Electronics
-
1:
$0.49
-
9,864In Stock
|
Mouser Part No
81-KRM21ER61E106KF1K
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
9,864In Stock
|
|
|
$0.49
|
|
|
$0.222
|
|
|
$0.199
|
|
|
$0.152
|
|
|
View
|
|
|
$0.117
|
|
|
$0.129
|
|
|
$0.126
|
|
|
$0.121
|
|
|
$0.117
|
|
Min.: 1
Mult.: 1
|
|
|
10 uF
|
|
Metal Frame
|
2 mm (0.079 in)
|
1.25 mm (0.049 in)
|
Metal Terminal Capacitors
|
X5R
|
10 %
|
- 55 C
|
+ 85 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2.2uF 100VDC 10% X7T
- KRM21FD72A225KFA1K
- Murata Electronics
-
1:
$1.11
-
7,760In Stock
|
Mouser Part No
81-KRM21FD72A25KFA1K
|
Murata Electronics
|
Speciality Ceramic Capacitors 2.2uF 100VDC 10% X7T
|
|
7,760In Stock
|
|
|
$1.11
|
|
|
$0.57
|
|
|
$0.514
|
|
|
$0.433
|
|
|
View
|
|
|
$0.319
|
|
|
$0.411
|
|
|
$0.383
|
|
|
$0.333
|
|
|
$0.319
|
|
Min.: 1
Mult.: 1
|
|
|
2.2 uF
|
|
SMD/SMT
|
2.2 mm (0.087 in)
|
1.25 mm (0.049 in)
|
Automotive MLCCs
|
X7T
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 47uF 50VDC 20% X7R
- KRM55WR71H476MH13K
- Murata Electronics
-
1:
$4.47
-
1,712In Stock
|
Mouser Part No
81-KRM55WR71H46MH13K
|
Murata Electronics
|
Speciality Ceramic Capacitors 47uF 50VDC 20% X7R
|
|
1,712In Stock
|
|
|
$4.47
|
|
|
$3.00
|
|
|
$2.71
|
|
|
$2.55
|
|
|
$2.33
|
|
|
View
|
|
|
$2.20
|
|
|
$2.13
|
|
Min.: 1
Mult.: 1
|
|
|
47 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 47uF 50VDC 20% X7R
- KRM55WR71H476MH13L
- Murata Electronics
-
1:
$4.47
-
2,196In Stock
-
1,000Expected 2026/04/16
|
Mouser Part No
81-KRM55WR71H476MH13
|
Murata Electronics
|
Speciality Ceramic Capacitors 47uF 50VDC 20% X7R
|
|
2,196In Stock
1,000Expected 2026/04/16
|
|
|
$4.47
|
|
|
$2.97
|
|
|
$2.71
|
|
|
$2.37
|
|
|
$2.37
|
|
|
View
|
|
|
$2.30
|
|
|
$2.29
|
|
|
$2.16
|
|
Min.: 1
Mult.: 1
|
|
|
47 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape
|
|
|
|
Speciality Ceramic Capacitors 22UF 100V 20% 2220
- KRM55WR72A226MH01L
- Murata Electronics
-
1:
$4.94
-
8,933In Stock
-
16,000On Order
|
Mouser Part No
81-KRM55WR72A226MH1L
|
Murata Electronics
|
Speciality Ceramic Capacitors 22UF 100V 20% 2220
|
|
8,933In Stock
16,000On Order
Stock:
8,933 Can Dispatch Immediately
On Order:
8,400 Expected 2026/06/15
7,600 Expected 2026/07/16
Factory Lead Time:
23 Weeks
|
|
|
$4.94
|
|
|
$3.19
|
|
|
$2.86
|
|
|
$2.42
|
|
|
$2.42
|
|
|
View
|
|
|
$2.36
|
|
|
$2.33
|
|
Min.: 1
Mult.: 1
|
|
|
22 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
20 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 2.2uF 100VDC 10% X7T
- KRM21FD72A225KFA1L
- Murata Electronics
-
1:
$1.11
-
700In Stock
|
Mouser Part No
81-KRM21FD72A225KFA1
|
Murata Electronics
|
Speciality Ceramic Capacitors 2.2uF 100VDC 10% X7T
|
|
700In Stock
|
|
|
$1.11
|
|
|
$0.57
|
|
|
$0.514
|
|
|
$0.44
|
|
|
$0.415
|
|
|
View
|
|
|
$0.415
|
|
|
$0.341
|
|
|
$0.322
|
|
|
$0.319
|
|
Min.: 1
Mult.: 1
|
|
|
2.2 uF
|
|
SMD/SMT
|
2.2 mm (0.087 in)
|
1.25 mm (0.049 in)
|
General Type MLCCs
|
X7T
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape
|
|
|
|
Speciality Ceramic Capacitors 22uF 50VDC 10% X7R
- KRM55QR71H226KH13K
- Murata Electronics
-
1:
$2.72
-
942In Stock
|
Mouser Part No
81-KRM55QR71H26KH13K
|
Murata Electronics
|
Speciality Ceramic Capacitors 22uF 50VDC 10% X7R
|
|
942In Stock
|
|
|
$2.72
|
|
|
$2.17
|
|
|
$1.94
|
|
|
$1.55
|
|
|
$1.44
|
|
|
View
|
|
|
$1.44
|
|
|
$1.16
|
|
|
$1.12
|
|
Min.: 1
Mult.: 1
|
|
|
22 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
General Type MLCCs
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 22UF 25V 20%
- KRM21FR61E226MFA1L
- Murata Electronics
-
1:
$0.64
-
20,111In Stock
|
Mouser Part No
81-KRM21FR61E226MF1L
|
Murata Electronics
|
Speciality Ceramic Capacitors 22UF 25V 20%
|
|
20,111In Stock
|
|
|
$0.64
|
|
|
$0.305
|
|
|
$0.276
|
|
|
$0.226
|
|
|
$0.187
|
|
|
View
|
|
|
$0.211
|
|
|
$0.183
|
|
|
$0.171
|
|
|
$0.17
|
|
Min.: 1
Mult.: 1
|
|
|
22 uF
|
|
Metal Frame
|
2 mm (0.079 in)
|
1.25 mm (0.049 in)
|
Metal Terminal Capacitors
|
X5R
|
20 %
|
- 55 C
|
+ 85 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM31FR61E106KH01K
- Murata Electronics
-
1:
$0.94
-
9,892In Stock
|
Mouser Part No
81-KRM31FR61E106KH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
9,892In Stock
|
|
|
$0.94
|
|
|
$0.626
|
|
|
$0.451
|
|
|
$0.371
|
|
|
$0.32
|
|
|
View
|
|
|
$0.345
|
|
|
$0.32
|
|
|
$0.299
|
|
|
$0.284
|
|
Min.: 1
Mult.: 1
|
|
|
10 uF
|
|
Metal Frame
|
3.2 mm (0.126 in)
|
1.6 mm (0.063 in)
|
Metal Terminal Capacitors
|
X5R
|
10 %
|
- 55 C
|
+ 85 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors
- KRM31KC8YA106KH01K
- Murata Electronics
-
1:
$0.95
-
5,559In Stock
|
Mouser Part No
81-KRM31KC8YA106KH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors
|
|
5,559In Stock
|
|
|
$0.95
|
|
|
$0.471
|
|
|
$0.429
|
|
|
$0.359
|
|
|
$0.329
|
|
|
View
|
|
|
$0.337
|
|
|
$0.284
|
|
|
$0.28
|
|
Min.: 1
Mult.: 1
|
|
|
10 uF
|
|
Metal Frame
|
3.2 mm (0.126 in)
|
1.6 mm (0.063 in)
|
Metal Terminal Capacitors
|
X6S
|
10 %
|
- 55 C
|
+ 105 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 1.0UF 100V 10% 1206
- KRM31KR72A105KH01K
- Murata Electronics
-
1:
$0.89
-
5,650In Stock
|
Mouser Part No
81-KRM31KR72A105KH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors 1.0UF 100V 10% 1206
|
|
5,650In Stock
|
|
|
$0.89
|
|
|
$0.426
|
|
|
$0.379
|
|
|
$0.333
|
|
|
$0.274
|
|
|
View
|
|
|
$0.312
|
|
|
$0.261
|
|
|
$0.254
|
|
Min.: 1
Mult.: 1
|
|
|
1 uF
|
|
Metal Frame
|
3.2 mm (0.126 in)
|
1.6 mm (0.063 in)
|
Metal Terminal Capacitors
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
|
|
Speciality Ceramic Capacitors 47UF 25V 10% 2220
- KRM55QC71E476KH13L
- Murata Electronics
-
1:
$3.42
-
1,060In Stock
|
Mouser Part No
81-KRM55QC71E476KH3L
|
Murata Electronics
|
Speciality Ceramic Capacitors 47UF 25V 10% 2220
|
|
1,060In Stock
|
|
|
$3.42
|
|
|
$2.23
|
|
|
$2.01
|
|
|
$1.73
|
|
|
$1.65
|
|
|
View
|
|
|
$1.60
|
|
|
$1.54
|
|
|
$1.52
|
|
Min.: 1
Mult.: 1
|
|
|
47 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape
|
|
|
|
Speciality Ceramic Capacitors 10UF 63V 10% 2220
- KRM55QR71J106KH01K
- Murata Electronics
-
1:
$2.93
-
1,792In Stock
-
2,000Expected 2026/04/17
|
Mouser Part No
81-KRM55QR71J106KH1K
|
Murata Electronics
|
Speciality Ceramic Capacitors 10UF 63V 10% 2220
|
|
1,792In Stock
2,000Expected 2026/04/17
|
|
|
$2.93
|
|
|
$2.04
|
|
|
$1.69
|
|
|
$1.58
|
|
|
$1.35
|
|
|
View
|
|
|
$1.40
|
|
|
$1.17
|
|
|
$1.16
|
|
Min.: 1
Mult.: 1
|
|
|
10 uF
|
|
Metal Frame
|
6.1 mm (0.24 in)
|
5.3 mm (0.209 in)
|
Stacked Capacitors
|
X7R
|
10 %
|
- 55 C
|
+ 125 C
|
KRM
|
AEC-Q200
|
Reel, Cut Tape, MouseReel
|
|
South Africa