|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, .500 in. Light Pipe Length, Adapter Not Included
- UHF3-0.500-N-67
- Bivar
-
1:
HK$29.43
-
848庫存量
-
3,000在途量
|
Mouser 元件編號
749-UHF3-0.500-N-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, .500 in. Light Pipe Length, Adapter Not Included
|
|
848庫存量
3,000在途量
|
|
|
HK$29.43
|
|
|
HK$21.04
|
|
|
HK$16.77
|
|
|
HK$15.62
|
|
|
檢視
|
|
|
HK$14.14
|
|
|
HK$14.06
|
|
|
HK$13.48
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
12.7 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Included
- UHF3-0.750-Y-67
- Bivar
-
1:
HK$34.28
-
192庫存量
|
Mouser 元件編號
749-UHF3-0.750-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Included
|
|
192庫存量
|
|
|
HK$34.28
|
|
|
HK$23.34
|
|
|
HK$18.74
|
|
|
HK$16.69
|
|
|
檢視
|
|
|
HK$15.86
|
|
|
HK$15.62
|
|
|
HK$15.12
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
19.05 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Included
- UHF3-1.000-Y-67
- Bivar
-
1:
HK$34.44
-
97庫存量
|
Mouser 元件編號
749-UHF3-1.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Included
|
|
97庫存量
|
|
|
HK$34.44
|
|
|
HK$24.33
|
|
|
HK$18.74
|
|
|
HK$16.77
|
|
|
檢視
|
|
|
HK$15.95
|
|
|
HK$15.70
|
|
|
HK$15.21
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
25.4 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 1.750 in. Light Pipe Length, Adapter Included
- UHF3-1.750-Y-67
- Bivar
-
1:
HK$34.77
-
95庫存量
|
Mouser 元件編號
749-UHF3-1.750-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 1.750 in. Light Pipe Length, Adapter Included
|
|
95庫存量
|
|
|
HK$34.77
|
|
|
HK$24.41
|
|
|
HK$18.99
|
|
|
HK$16.85
|
|
|
檢視
|
|
|
HK$16.11
|
|
|
HK$15.86
|
|
|
HK$15.29
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
44.45 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 2.000 in. Light Pipe Length, Adapter Included
- UHF3-2.000-Y-67
- Bivar
-
1:
HK$35.18
-
435庫存量
|
Mouser 元件編號
749-UHF3-2.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 2.000 in. Light Pipe Length, Adapter Included
|
|
435庫存量
|
|
|
HK$35.18
|
|
|
HK$24.17
|
|
|
HK$20.47
|
|
|
HK$17.76
|
|
|
檢視
|
|
|
HK$16.77
|
|
|
HK$16.60
|
|
|
HK$16.03
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
50.8 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 2.500 in. Light Pipe Length, Adapter Included
- UHF3-2.500-Y-67
- Bivar
-
1:
HK$35.67
-
102庫存量
|
Mouser 元件編號
749-UHF3-2.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 2.500 in. Light Pipe Length, Adapter Included
|
|
102庫存量
|
|
|
HK$35.67
|
|
|
HK$25.40
|
|
|
HK$20.63
|
|
|
HK$17.76
|
|
|
檢視
|
|
|
HK$16.93
|
|
|
HK$16.69
|
|
|
HK$16.11
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
63.5 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 3.000 in. Light Pipe Length, Adapter Included
- UHF3-3.000-Y-67
- Bivar
-
1:
HK$31.15
-
126庫存量
|
Mouser 元件編號
749-UHF3-3.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 3.000 in. Light Pipe Length, Adapter Included
|
|
126庫存量
|
|
|
HK$31.15
|
|
|
HK$22.52
|
|
|
HK$18.91
|
|
|
HK$16.19
|
|
|
檢視
|
|
|
HK$14.88
|
|
|
HK$14.22
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
76.2 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 3.500 in. Light Pipe Length, Adapter Included
- UHF3-3.500-Y-67
- Bivar
-
1:
HK$33.21
-
106庫存量
|
Mouser 元件編號
749-UHF3-3.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 3.500 in. Light Pipe Length, Adapter Included
|
|
106庫存量
|
|
|
HK$33.21
|
|
|
HK$23.92
|
|
|
HK$18.74
|
|
|
HK$17.59
|
|
|
檢視
|
|
|
HK$16.85
|
|
|
HK$16.52
|
|
|
HK$16.28
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
88.9 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 5.000 in. Light Pipe Length, Adapter Included
- UHF3-5.000-Y-67
- Bivar
-
1:
HK$36.83
-
266庫存量
|
Mouser 元件編號
749-UHF3-5.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 5.000 in. Light Pipe Length, Adapter Included
|
|
266庫存量
|
|
|
HK$36.83
|
|
|
HK$25.81
|
|
|
HK$20.80
|
|
|
HK$18.41
|
|
|
檢視
|
|
|
HK$17.51
|
|
|
HK$17.34
|
|
|
HK$17.02
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
127 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 5.500 in. Light Pipe Length, Adapter Included
- UHF3-5.500-Y-67
- Bivar
-
1:
HK$36.83
-
92庫存量
|
Mouser 元件編號
749-UHF3-5.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 3mm Light Pipe Diameter, 5.500 in. Light Pipe Length, Adapter Included
|
|
92庫存量
|
|
|
HK$36.83
|
|
|
HK$25.56
|
|
|
HK$20.63
|
|
|
HK$18.33
|
|
|
檢視
|
|
|
HK$17.43
|
|
|
HK$17.18
|
|
|
HK$16.85
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
3.6 mm
|
Round
|
139.7 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Included
- UHF4-0.750-Y-67
- Bivar
-
1:
HK$36.17
-
78庫存量
|
Mouser 元件編號
749-UHF4-0.750-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Included
|
|
78庫存量
|
|
|
HK$36.17
|
|
|
HK$25.48
|
|
|
HK$19.81
|
|
|
HK$17.67
|
|
|
檢視
|
|
|
HK$16.85
|
|
|
HK$16.52
|
|
|
HK$16.19
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
19.05 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 3.000 in. Light Pipe Length, Adapter Included
- UHF4-3.000-Y-67
- Bivar
-
1:
HK$34.28
-
77庫存量
|
Mouser 元件編號
749-UHF4-3.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 3.000 in. Light Pipe Length, Adapter Included
|
|
77庫存量
|
|
|
HK$34.28
|
|
|
HK$24.41
|
|
|
HK$20.30
|
|
|
HK$18.17
|
|
|
檢視
|
|
|
HK$17.43
|
|
|
HK$17.18
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
76.2 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 3.500 in. Light Pipe Length, Adapter Included
- UHF4-3.500-Y-67
- Bivar
-
1:
HK$35.10
-
73庫存量
|
Mouser 元件編號
749-UHF4-3.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 3.500 in. Light Pipe Length, Adapter Included
|
|
73庫存量
|
|
|
HK$35.10
|
|
|
HK$24.74
|
|
|
HK$19.07
|
|
|
HK$18.41
|
|
|
檢視
|
|
|
HK$17.59
|
|
|
HK$17.34
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
88.9 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 4.500 in. Light Pipe Length, Adapter Included
- UHF4-4.500-Y-67
- Bivar
-
1:
HK$35.51
-
100庫存量
|
Mouser 元件編號
749-UHF4-4.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 4.500 in. Light Pipe Length, Adapter Included
|
|
100庫存量
|
|
|
HK$35.51
|
|
|
HK$25.32
|
|
|
HK$19.73
|
|
|
HK$18.99
|
|
|
檢視
|
|
|
HK$18.25
|
|
|
HK$18.00
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
114.3 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 5.000 in. Light Pipe Length, Adapter Included
- UHF4-5.000-Y-67
- Bivar
-
1:
HK$36.41
-
63庫存量
|
Mouser 元件編號
749-UHF4-5.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 5.000 in. Light Pipe Length, Adapter Included
|
|
63庫存量
|
|
|
HK$36.41
|
|
|
HK$25.89
|
|
|
HK$21.37
|
|
|
HK$19.32
|
|
|
檢視
|
|
|
HK$18.50
|
|
|
HK$18.25
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
127 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 5.500 in. Light Pipe Length, Adapter Included
- UHF4-5.500-Y-67
- Bivar
-
1:
HK$35.51
-
80庫存量
|
Mouser 元件編號
749-UHF4-5.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 5.500 in. Light Pipe Length, Adapter Included
|
|
80庫存量
|
|
|
HK$35.51
|
|
|
HK$25.73
|
|
|
HK$20.14
|
|
|
HK$19.48
|
|
|
檢視
|
|
|
HK$18.66
|
|
|
HK$18.41
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
139.7 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 6.000 in. Light Pipe Length, Adapter Included
- UHF4-6.000-Y-67
- Bivar
-
1:
HK$40.03
-
146庫存量
|
Mouser 元件編號
749-UHF4-6.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 4mm Light Pipe Diameter, 6.000 in. Light Pipe Length, Adapter Included
|
|
146庫存量
|
|
|
HK$40.03
|
|
|
HK$27.62
|
|
|
HK$21.13
|
|
|
HK$19.56
|
|
|
檢視
|
|
|
HK$18.74
|
|
|
HK$18.41
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
4.6 mm
|
Round
|
152.4 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .250 in. Light Pipe Length, Adapter Not Included
- UHF5-0.250-N-67
- Bivar
-
1:
HK$33.87
-
314庫存量
-
400預期24/8/2026
|
Mouser 元件編號
749-UHF5-0.250-N-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .250 in. Light Pipe Length, Adapter Not Included
|
|
314庫存量
400預期24/8/2026
|
|
|
HK$33.87
|
|
|
HK$24.91
|
|
|
HK$19.32
|
|
|
HK$16.44
|
|
|
檢視
|
|
|
HK$15.70
|
|
|
HK$15.45
|
|
|
HK$14.96
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
6.35 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .500 in. Light Pipe Length, Adapter Included
- UHF5-0.500-Y-67
- Bivar
-
1:
HK$36.33
-
108庫存量
|
Mouser 元件編號
749-UHF5-0.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .500 in. Light Pipe Length, Adapter Included
|
|
108庫存量
|
|
|
HK$36.33
|
|
|
HK$24.82
|
|
|
HK$20.14
|
|
|
HK$18.41
|
|
|
檢視
|
|
|
HK$17.59
|
|
|
HK$17.34
|
|
|
HK$17.26
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
12.7 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Not Included
- UHF5-0.750-N-67
- Bivar
-
1:
HK$34.36
-
103庫存量
|
Mouser 元件編號
749-UHF5-0.750-N-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, .750 in. Light Pipe Length, Adapter Not Included
|
|
103庫存量
|
|
|
HK$34.36
|
|
|
HK$24.17
|
|
|
HK$18.91
|
|
|
HK$16.85
|
|
|
檢視
|
|
|
HK$16.03
|
|
|
HK$15.78
|
|
|
HK$15.29
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
19.05 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Not Included
- UHF5-1.000-N-67
- Bivar
-
1:
HK$32.63
-
105庫存量
|
Mouser 元件編號
749-UHF5-1.000-N-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Not Included
|
|
105庫存量
|
|
|
HK$32.63
|
|
|
HK$24.17
|
|
|
HK$20.06
|
|
|
HK$17.59
|
|
|
檢視
|
|
|
HK$16.44
|
|
|
HK$16.11
|
|
|
HK$15.37
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
25.4 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Included
- UHF5-1.000-Y-67
- Bivar
-
1:
HK$37.98
-
109庫存量
|
Mouser 元件編號
749-UHF5-1.000-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.000 in. Light Pipe Length, Adapter Included
|
|
109庫存量
|
|
|
HK$37.98
|
|
|
HK$26.30
|
|
|
HK$20.22
|
|
|
HK$18.66
|
|
|
檢視
|
|
|
HK$17.84
|
|
|
HK$17.59
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
25.4 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.250 in. Light Pipe Length, Adapter Not Included
- UHF5-1.250-N-67
- Bivar
-
1:
HK$32.14
-
85庫存量
|
Mouser 元件編號
749-UHF5-1.250-N-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.250 in. Light Pipe Length, Adapter Not Included
|
|
85庫存量
|
|
|
HK$32.14
|
|
|
HK$22.85
|
|
|
HK$17.59
|
|
|
HK$16.77
|
|
|
檢視
|
|
|
HK$16.03
|
|
|
HK$15.78
|
|
|
HK$15.29
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
31.75 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.500 in. Light Pipe Length, Adapter Included
- UHF5-1.500-Y-67
- Bivar
-
1:
HK$38.14
-
95庫存量
|
Mouser 元件編號
749-UHF5-1.500-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.500 in. Light Pipe Length, Adapter Included
|
|
95庫存量
|
|
|
HK$38.14
|
|
|
HK$26.63
|
|
|
HK$20.47
|
|
|
HK$18.91
|
|
|
檢視
|
|
|
HK$18.08
|
|
|
HK$17.84
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
38.1 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
|
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.750 in. Light Pipe Length, Adapter Included
- UHF5-1.750-Y-67
- Bivar
-
1:
HK$38.80
-
98庫存量
|
Mouser 元件編號
749-UHF5-1.750-Y-67
|
Bivar
|
LED光管 Unibody High Flex, IP 67, 5mm Light Pipe Diameter, 1.750 in. Light Pipe Length, Adapter Included
|
|
98庫存量
|
|
|
HK$38.80
|
|
|
HK$26.96
|
|
|
HK$20.55
|
|
|
HK$19.07
|
|
|
檢視
|
|
|
HK$18.25
|
|
|
HK$18.00
|
|
|
報價
|
|
最少： 1
倍數： 1
|
|
|
Flexible Light Pipes
|
Panel Mount
|
Vertical
|
5.6 mm
|
Round
|
44.45 mm
|
Silicone
|
IP67
|
UHF
|
Bulk
|
|
香港