|
|
ESD Protection Diodes / TVS Diodes 600W 300V 5% Uni-Directional
- SMBJ300A
- Littelfuse
-
1:
2,57 kr.
-
3.854In Stock
|
Mouser Part No
576-SMBJ300A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 300V 5% Uni-Directional
|
|
3.854In Stock
|
|
|
2,57 kr.
|
|
|
1,96 kr.
|
|
|
1,50 kr.
|
|
|
1,38 kr.
|
|
|
1,28 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
300 V
|
SMD/SMT
|
486 V
|
335 V
|
SMB (DO-214AA)
|
1.7 A
|
800 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 45V 5% Bi-Directional
- SMBJ45CA
- Littelfuse
-
1:
2,18 kr.
-
609In Stock
-
21.000On Order
|
Mouser Part No
576-SMBJ45CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 45V 5% Bi-Directional
|
|
609In Stock
21.000On Order
Stock:
609 Can Dispatch Immediately
On Order:
12.000 Expected 17/03/2026
9.000 Expected 23/04/2026
Factory Lead Time:
11 Weeks
|
|
|
2,18 kr.
|
|
|
1,52 kr.
|
|
|
0,724 kr.
|
|
|
0,671 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
45 V
|
SMD/SMT
|
72.7 V
|
50 V
|
SMB (DO-214AA)
|
8.3 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 160V 5% Bi-Directional
- SMBJ160CA
- Littelfuse
-
1:
2,37 kr.
-
4.028In Stock
|
Mouser Part No
576-SMBJ160CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 160V 5% Bi-Directional
|
|
4.028In Stock
|
|
|
2,37 kr.
|
|
|
1,58 kr.
|
|
|
0,761 kr.
|
|
|
0,753 kr.
|
|
|
0,619 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
160 V
|
SMD/SMT
|
259 V
|
178 V
|
SMB (DO-214AA)
|
2.3 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 11V 5% Bi-Directional
- SMBJ11CA
- Littelfuse
-
1:
2,25 kr.
-
4.251In Stock
|
Mouser Part No
576-SMBJ11CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 11V 5% Bi-Directional
|
|
4.251In Stock
|
|
|
2,25 kr.
|
|
|
1,31 kr.
|
|
|
0,709 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
11 V
|
SMD/SMT
|
18.2 V
|
12.2 V
|
SMB (DO-214AA)
|
33 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 16V 5% Bi-Directional
- SMBJ16CA
- Littelfuse
-
1:
2,05 kr.
-
7.455In Stock
|
Mouser Part No
576-SMBJ16CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 16V 5% Bi-Directional
|
|
7.455In Stock
|
|
|
2,05 kr.
|
|
|
1,37 kr.
|
|
|
1,04 kr.
|
|
|
0,85 kr.
|
|
|
0,768 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
16 V
|
SMD/SMT
|
26 V
|
17.8 V
|
SMB (DO-214AA)
|
23.1 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 11V 5% Uni-Directional
- SMBJ11A
- Littelfuse
-
1:
1,80 kr.
-
2.660In Stock
-
3.000Expected 01/04/2026
|
Mouser Part No
576-SMBJ11A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 11V 5% Uni-Directional
|
|
2.660In Stock
3.000Expected 01/04/2026
|
|
|
1,80 kr.
|
|
|
1,07 kr.
|
|
|
0,671 kr.
|
|
|
0,597 kr.
|
|
|
0,522 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
11 V
|
SMD/SMT
|
18.2 V
|
12.2 V
|
SMB (DO-214AA)
|
33 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional
- SMBJ40CA
- Littelfuse
-
1:
1,48 kr.
-
20.107In Stock
|
Mouser Part No
576-SMBJ40CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 40V 5% Bi-Directional
|
|
20.107In Stock
|
|
|
1,48 kr.
|
|
|
1,31 kr.
|
|
|
0,731 kr.
|
|
|
0,724 kr.
|
|
|
0,716 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
40 V
|
SMD/SMT
|
64.5 V
|
44.4 V
|
SMB (DO-214AA)
|
9.3 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 188V 5% Uni-Directional
- SMBJ188A
- Littelfuse
-
1:
3,14 kr.
-
7.482In Stock
|
Mouser Part No
576-SMBJ188A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 188V 5% Uni-Directional
|
|
7.482In Stock
|
|
|
3,14 kr.
|
|
|
2,26 kr.
|
|
|
1,21 kr.
|
|
|
1,07 kr.
|
|
|
0,709 kr.
|
|
|
View
|
|
|
0,97 kr.
|
|
|
0,671 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
188 V
|
SMD/SMT
|
304 V
|
209 V
|
SMB (DO-214AA)
|
2 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 200V 5% Uni-Directional
- SMBJ200A
- Littelfuse
-
1:
1,54 kr.
-
8.153In Stock
|
Mouser Part No
576-SMBJ200A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 200V 5% Uni-Directional
|
|
8.153In Stock
|
|
|
1,54 kr.
|
|
|
1,07 kr.
|
|
|
0,783 kr.
|
|
|
0,724 kr.
|
|
|
0,716 kr.
|
|
|
0,671 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
200 V
|
SMD/SMT
|
324 V
|
224 V
|
SMB (DO-214AA)
|
1.9 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 130V 5% Bi-Directional
- SMBJ130CA
- Littelfuse
-
1:
2,69 kr.
-
4.699In Stock
-
3.000Expected 17/03/2026
|
Mouser Part No
576-SMBJ130CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 130V 5% Bi-Directional
|
|
4.699In Stock
3.000Expected 17/03/2026
|
|
|
2,69 kr.
|
|
|
1,98 kr.
|
|
|
0,85 kr.
|
|
|
0,806 kr.
|
|
|
0,768 kr.
|
|
|
0,619 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
130 V
|
SMD/SMT
|
209 V
|
144 V
|
SMB (DO-214AA)
|
2.9 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 51V 5% Uni-Directional
- SMBJ51A
- Littelfuse
-
1:
1,35 kr.
-
242In Stock
-
12.000On Order
|
Mouser Part No
576-SMBJ51A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 51V 5% Uni-Directional
|
|
242In Stock
12.000On Order
Stock:
242 Can Dispatch Immediately
On Order:
6.000 Expected 22/04/2026
6.000 Expected 27/04/2026
Factory Lead Time:
12 Weeks
|
|
|
1,35 kr.
|
|
|
0,947 kr.
|
|
|
0,664 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
51 V
|
SMD/SMT
|
82.4 V
|
56.7 V
|
SMB (DO-214AA)
|
7.3 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 8V 5% Bi-Directional
- SMBJ8.0CA
- Littelfuse
-
1:
2,05 kr.
-
9.232In Stock
|
Mouser Part No
576-SMBJ8.0CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 8V 5% Bi-Directional
|
|
9.232In Stock
|
|
|
2,05 kr.
|
|
|
1,47 kr.
|
|
|
0,761 kr.
|
|
|
0,739 kr.
|
|
|
0,664 kr.
|
|
|
View
|
|
|
0,724 kr.
|
|
|
0,597 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
8 V
|
SMD/SMT
|
13.6 V
|
8.89 V
|
SMB (DO-214AA)
|
44.2 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 90V 5% Uni-Directional
- SMBJ90A
- Littelfuse
-
1:
1,67 kr.
-
3.139In Stock
|
Mouser Part No
576-SMBJ90A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 90V 5% Uni-Directional
|
|
3.139In Stock
|
|
|
1,67 kr.
|
|
|
0,955 kr.
|
|
|
0,634 kr.
|
|
|
0,619 kr.
|
|
|
0,53 kr.
|
|
|
View
|
|
|
0,612 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
90 V
|
SMD/SMT
|
146 V
|
100 V
|
SMB (DO-214AA)
|
4.1 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional
- SMBJ350A
- Littelfuse
-
1:
3,08 kr.
-
5.646In Stock
|
Mouser Part No
576-SMBJ350A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 350V 5% Uni-Directional
|
|
5.646In Stock
|
|
|
3,08 kr.
|
|
|
1,87 kr.
|
|
|
1,41 kr.
|
|
|
1,41 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
350 V
|
SMD/SMT
|
567 V
|
391 V
|
SMB (DO-214AA)
|
1.5 A
|
800 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 90V 5% Bi-Directional
- SMBJ90CA
- Littelfuse
-
1:
1,41 kr.
-
3.405In Stock
|
Mouser Part No
576-SMBJ90CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 90V 5% Bi-Directional
|
|
3.405In Stock
|
|
|
1,41 kr.
|
|
|
1,22 kr.
|
|
|
1,13 kr.
|
|
|
0,977 kr.
|
|
|
0,836 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
90 V
|
SMD/SMT
|
146 V
|
100 V
|
SMB (DO-214AA)
|
4.1 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 220V 5% Uni-Directional
- SMBJ220A
- Littelfuse
-
1:
1,67 kr.
-
3.535In Stock
|
Mouser Part No
576-SMBJ220A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 220V 5% Uni-Directional
|
|
3.535In Stock
|
|
|
1,67 kr.
|
|
|
1,29 kr.
|
|
|
1,29 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
220 V
|
SMD/SMT
|
356 V
|
272 V
|
SMB (DO-214AA)
|
1.7 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 13V 5% Uni-Directional
- SMBJ13A
- Littelfuse
-
1:
1,86 kr.
-
9.933In Stock
|
Mouser Part No
576-SMBJ13A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 13V 5% Uni-Directional
|
|
9.933In Stock
|
|
|
1,86 kr.
|
|
|
1,28 kr.
|
|
|
0,843 kr.
|
|
|
0,836 kr.
|
|
|
0,567 kr.
|
|
|
View
|
|
|
0,753 kr.
|
|
|
0,515 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
13 V
|
SMD/SMT
|
21.5 V
|
14.4 V
|
SMB (DO-214AA)
|
28 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 20V 5% Uni-Directional
- SMBJ20A
- Littelfuse
-
1:
1,73 kr.
-
11.779In Stock
|
Mouser Part No
576-SMBJ20A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 20V 5% Uni-Directional
|
|
11.779In Stock
|
|
|
1,73 kr.
|
|
|
1,26 kr.
|
|
|
0,828 kr.
|
|
|
0,776 kr.
|
|
|
0,537 kr.
|
|
|
View
|
|
|
0,709 kr.
|
|
|
0,522 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
20 V
|
SMD/SMT
|
32.4 V
|
22.2 V
|
SMB (DO-214AA)
|
18.6 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 120V 5% Uni-Directional
- SMBJ120A
- Littelfuse
-
1:
1,92 kr.
-
3.302In Stock
|
Mouser Part No
576-SMBJ120A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 120V 5% Uni-Directional
|
|
3.302In Stock
|
|
|
1,92 kr.
|
|
|
1,44 kr.
|
|
|
0,761 kr.
|
|
|
0,753 kr.
|
|
|
0,731 kr.
|
|
|
0,671 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
120 V
|
SMD/SMT
|
193 V
|
133 V
|
SMB (DO-214AA)
|
3.1 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 17V 5% Uni-Directional
- SMBJ17A
- Littelfuse
-
1:
1,99 kr.
-
4.862In Stock
|
Mouser Part No
576-SMBJ17A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 17V 5% Uni-Directional
|
|
4.862In Stock
|
|
|
1,99 kr.
|
|
|
1,34 kr.
|
|
|
0,664 kr.
|
|
|
0,634 kr.
|
|
|
0,619 kr.
|
|
|
0,485 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
17 V
|
SMD/SMT
|
27.6 V
|
18.9 V
|
SMB (DO-214AA)
|
21.8 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 100V 5% Uni-Directional
- SMBJ100A
- Littelfuse
-
1:
1,73 kr.
-
6.166In Stock
|
Mouser Part No
576-SMBJ100A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 100V 5% Uni-Directional
|
|
6.166In Stock
|
|
|
1,73 kr.
|
|
|
1,22 kr.
|
|
|
0,746 kr.
|
|
|
0,671 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
100 V
|
SMD/SMT
|
162 V
|
111 V
|
SMB (DO-214AA)
|
3.7 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 110V 5% Uni-Directional
- SMBJ110A
- Littelfuse
-
1:
2,25 kr.
-
4.001In Stock
|
Mouser Part No
576-SMBJ110A
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 110V 5% Uni-Directional
|
|
4.001In Stock
|
|
|
2,25 kr.
|
|
|
1,54 kr.
|
|
|
0,746 kr.
|
|
|
0,671 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Unidirectional
|
1 Channel
|
110 V
|
SMD/SMT
|
177 V
|
122 V
|
SMB (DO-214AA)
|
3.4 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 43V 5% Bi-Directional
- SMBJ43CA
- Littelfuse
-
1:
2,05 kr.
-
7.492In Stock
|
Mouser Part No
576-SMBJ43CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 43V 5% Bi-Directional
|
|
7.492In Stock
|
|
|
2,05 kr.
|
|
|
1,29 kr.
|
|
|
0,895 kr.
|
|
|
0,783 kr.
|
|
|
0,597 kr.
|
|
|
View
|
|
|
0,746 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
43 V
|
SMD/SMT
|
69.4 V
|
47.8 V
|
SMB (DO-214AA)
|
8.7 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 58V 5% Bi-Directional
- SMBJ58CA
- Littelfuse
-
1:
1,41 kr.
-
13.683In Stock
|
Mouser Part No
576-SMBJ58CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 58V 5% Bi-Directional
|
|
13.683In Stock
|
|
|
1,41 kr.
|
|
|
1,13 kr.
|
|
|
0,806 kr.
|
|
|
0,597 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
58 V
|
SMD/SMT
|
93.6 V
|
64.4 V
|
SMB (DO-214AA)
|
6.5 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
|
|
ESD Protection Diodes / TVS Diodes 600W 6V 5% Bi-Directional
- SMBJ6.0CA
- Littelfuse
-
1:
3,01 kr.
-
17.606In Stock
-
12.000Expected 28/04/2026
|
Mouser Part No
576-SMBJ6.0CA
|
Littelfuse
|
ESD Protection Diodes / TVS Diodes 600W 6V 5% Bi-Directional
|
|
17.606In Stock
12.000Expected 28/04/2026
|
|
|
3,01 kr.
|
|
|
1,82 kr.
|
|
|
1,17 kr.
|
|
|
0,888 kr.
|
|
|
0,791 kr.
|
|
|
0,589 kr.
|
|
Min.: 1
Mult.: 1
|
|
|
Bidirectional
|
1 Channel
|
6 V
|
SMD/SMT
|
10.3 V
|
6.67 V
|
SMB (DO-214AA)
|
58.3 A
|
600 W
|
30 kV
|
30 kV
|
- 65 C
|
+ 150 C
|
SMBJ
|
Reel, Cut Tape, MouseReel
|
|
Denmark