|
|
集管和線殼 M20 10+10 PIN DIL HSG
- M20-7831042
- Harwin
-
1:
HK$22.85
-
867庫存量
|
Mouser 元件編號
855-M20-7831042
|
Harwin
|
集管和線殼 M20 10+10 PIN DIL HSG
|
|
867庫存量
|
|
|
HK$22.85
|
|
|
HK$18.41
|
|
|
HK$18.33
|
|
|
HK$16.36
|
|
|
檢視
|
|
|
HK$14.63
|
|
|
HK$13.97
|
|
|
HK$13.32
|
|
|
HK$12.41
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
20 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
Through Hole
|
Solder Pin
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 10+10 DIL VERTICAL SMT HEADER TIN
- M20-7831046
- Harwin
-
1:
HK$17.34
-
4,083庫存量
-
1,386在途量
|
Mouser 元件編號
855-M20-7831046
|
Harwin
|
集管和線殼 M20 10+10 DIL VERTICAL SMT HEADER TIN
|
|
4,083庫存量
1,386在途量
|
|
|
HK$17.34
|
|
|
HK$13.97
|
|
|
HK$12.41
|
|
|
HK$11.10
|
|
|
檢視
|
|
|
HK$10.60
|
|
|
HK$10.28
|
|
|
HK$9.54
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
20 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
Through Hole
|
Solder Pin
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
集管和線殼 M20 13+13 DIL VERTICAL SOCKET GOLD+TIN
- M20-7831346
- Harwin
-
1:
HK$22.28
-
905庫存量
|
Mouser 元件編號
855-M20-7831346
|
Harwin
|
集管和線殼 M20 13+13 DIL VERTICAL SOCKET GOLD+TIN
|
|
905庫存量
|
|
|
HK$22.28
|
|
|
HK$18.25
|
|
|
HK$18.17
|
|
|
HK$16.03
|
|
|
檢視
|
|
|
HK$14.30
|
|
|
HK$13.65
|
|
|
HK$12.99
|
|
|
HK$12.17
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
26 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
Through Hole
|
Solder Pin
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 15+15 DIL VERTICAL PIN HEADER TIN
- M20-7831542
- Harwin
-
1:
HK$33.04
-
593庫存量
|
Mouser 元件編號
855-M20-7831542
|
Harwin
|
集管和線殼 M20 15+15 DIL VERTICAL PIN HEADER TIN
|
|
593庫存量
|
|
|
HK$33.04
|
|
|
HK$27.45
|
|
|
HK$27.37
|
|
|
HK$23.59
|
|
|
檢視
|
|
|
HK$21.21
|
|
|
HK$20.22
|
|
|
HK$19.73
|
|
|
HK$19.32
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
30 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
Through Hole
|
Solder Pin
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 04+04 DIL SKT BOTTOM ENTRY TIN
- M20-7850442
- Harwin
-
1:
HK$7.40
-
3,232庫存量
|
Mouser 元件編號
855-M20-7850442
|
Harwin
|
集管和線殼 M20 04+04 DIL SKT BOTTOM ENTRY TIN
|
|
3,232庫存量
|
|
|
HK$7.40
|
|
|
HK$5.61
|
|
|
HK$5.33
|
|
|
HK$4.76
|
|
|
檢視
|
|
|
HK$4.55
|
|
|
HK$4.44
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
8 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
Through Hole
|
Solder Pin
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 03+03 DIL SKT BTM ENT SEL GLD+TIN
- M20-7870346
- Harwin
-
1:
HK$7.15
-
3,734庫存量
|
Mouser 元件編號
855-M20-7870346
|
Harwin
|
集管和線殼 M20 03+03 DIL SKT BTM ENT SEL GLD+TIN
|
|
3,734庫存量
|
|
|
HK$7.15
|
|
|
HK$6.61
|
|
|
HK$6.35
|
|
|
HK$5.93
|
|
|
檢視
|
|
|
HK$5.39
|
|
|
HK$4.85
|
|
|
HK$4.48
|
|
|
HK$3.92
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
6 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
SMD/SMT
|
Solder
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 10+10 DIL SMT PLUG 2.00MM T/R
- M20-7871042
- Harwin
-
1:
HK$24.58
-
1,793庫存量
|
Mouser 元件編號
855-M20-7871042
|
Harwin
|
集管和線殼 M20 10+10 DIL SMT PLUG 2.00MM T/R
|
|
1,793庫存量
|
|
|
HK$24.58
|
|
|
HK$19.73
|
|
|
HK$19.65
|
|
|
HK$18.08
|
|
|
檢視
|
|
|
HK$17.59
|
|
|
HK$15.37
|
|
|
HK$14.30
|
|
|
HK$13.40
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
20 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
SMD/SMT
|
Solder
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 20+20 DIL SKT BTM ENT SEL GLD+TIN
- M20-7872042
- Harwin
-
1:
HK$46.20
-
3,009庫存量
|
Mouser 元件編號
855-M20-7872042
|
Harwin
|
集管和線殼 M20 20+20 DIL SKT BTM ENT SEL GLD+TIN
|
|
3,009庫存量
|
|
|
HK$46.20
|
|
|
HK$39.05
|
|
|
HK$38.96
|
|
|
HK$33.13
|
|
|
檢視
|
|
|
HK$29.02
|
|
|
HK$28.19
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
40 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
SMD/SMT
|
Solder
|
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 06+06 DIL HORIZONTAL PIN HEADER TIN
- M20-7880646
- Harwin
-
1:
HK$16.44
-
2,283庫存量
-
444在途量
|
Mouser 元件編號
855-M20-7880646
|
Harwin
|
集管和線殼 M20 06+06 DIL HORIZONTAL PIN HEADER TIN
|
|
2,283庫存量
444在途量
|
|
|
HK$16.44
|
|
|
HK$16.11
|
|
|
HK$12.74
|
|
|
HK$11.75
|
|
|
檢視
|
|
|
HK$10.52
|
|
|
HK$10.03
|
|
|
HK$8.96
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Receptacle
|
12 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
Through Hole
|
Solder Pin
|
Right Angle
|
Socket (Female)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Tube
|
|
|
|
集管和線殼 M20 4 WAY SIL HORIZ SMT P/HDR T&R
- M20-7910442R
- Harwin
-
1:
HK$8.30
-
3,432庫存量
|
Mouser 元件編號
855-M20-7910442R
|
Harwin
|
集管和線殼 M20 4 WAY SIL HORIZ SMT P/HDR T&R
|
|
3,432庫存量
|
|
|
HK$8.30
|
|
|
HK$7.04
|
|
|
HK$5.98
|
|
|
HK$5.34
|
|
|
HK$4.99
|
|
|
檢視
|
|
|
HK$4.75
|
|
|
HK$4.61
|
|
最少： 1
倍數： 1
:
1,300
|
|
|
Headers
|
Receptacle
|
4 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
SMD/SMT
|
Solder
|
Right Angle
|
Socket (Female)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 3+3 DIL BOTTOM ENTRY VERT GOLD PIN HEADE
- M20-7920342R
- Harwin
-
1:
HK$9.54
-
3,093庫存量
-
1,568在途量
|
Mouser 元件編號
855-M20-7920342R
|
Harwin
|
集管和線殼 M20 3+3 DIL BOTTOM ENTRY VERT GOLD PIN HEADE
|
|
3,093庫存量
1,568在途量
|
|
|
HK$9.54
|
|
|
HK$8.08
|
|
|
HK$6.86
|
|
|
HK$5.96
|
|
|
HK$5.51
|
|
|
檢視
|
|
|
HK$5.31
|
|
|
HK$5.19
|
|
最少： 1
倍數： 1
:
750
|
|
|
Headers
|
Receptacle
|
6 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
SMD/SMT
|
Solder
|
Right Angle
|
Socket (Female)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 4+4 DIL BOTTOM ENTRY VERT GOLD PIN HEADE
- M20-7920442R
- Harwin
-
1:
HK$11.51
-
2,201庫存量
|
Mouser 元件編號
855-M20-7920442R
|
Harwin
|
集管和線殼 M20 4+4 DIL BOTTOM ENTRY VERT GOLD PIN HEADE
|
|
2,201庫存量
|
|
|
HK$11.51
|
|
|
HK$9.78
|
|
|
HK$8.30
|
|
|
HK$7.18
|
|
|
HK$6.64
|
|
|
檢視
|
|
|
HK$6.41
|
|
|
HK$6.26
|
|
最少： 1
倍數： 1
:
750
|
|
|
Headers
|
Receptacle
|
8 Position
|
2.54 mm (0.1 in)
|
2 Row
|
2.54 mm (0.1 in)
|
SMD/SMT
|
Solder
|
Right Angle
|
Socket (Female)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 03 SIL VERTICAL SMT HEADER GOLD+TIN
- M20-8770342
- Harwin
-
1:
HK$2.30
-
19,934庫存量
-
30,725在途量
|
Mouser 元件編號
855-M20-8770342
|
Harwin
|
集管和線殼 M20 03 SIL VERTICAL SMT HEADER GOLD+TIN
|
|
19,934庫存量
30,725在途量
|
|
|
HK$2.30
|
|
|
HK$1.94
|
|
|
HK$1.65
|
|
|
HK$1.47
|
|
|
檢視
|
|
|
HK$1.40
|
|
|
HK$1.31
|
|
|
HK$1.28
|
|
|
HK$1.25
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
3 Position
|
2.54 mm (0.1 in)
|
1 Row
|
2.54 mm (0.1 in)
|
SMD/SMT
|
Solder
|
Straight
|
Pin (Male)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 06 SIL SMT PLUG L/F
- M20-8770642R
- Harwin
-
1:
HK$6.00
-
4,405庫存量
|
Mouser 元件編號
855-M20-8770642R
|
Harwin
|
集管和線殼 M20 06 SIL SMT PLUG L/F
|
|
4,405庫存量
|
|
|
HK$6.00
|
|
|
HK$5.06
|
|
|
HK$4.31
|
|
|
HK$3.69
|
|
|
HK$3.69
|
|
|
檢視
|
|
|
HK$3.45
|
|
|
HK$3.29
|
|
|
HK$3.08
|
|
最少： 1
倍數： 1
:
450
|
|
|
Headers
|
Pin Strip
|
6 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
SMD/SMT
|
Solder
|
Straight
|
Pin (Male)
|
Gold
|
5.8 mm (0.228 in)
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 3 WAY SIL HORIZ SMT P/HDR
- M20-8890345R
- Harwin
-
1:
HK$5.34
-
4,894庫存量
-
6,500在途量
|
Mouser 元件編號
855-M20-8890345R
|
Harwin
|
集管和線殼 M20 3 WAY SIL HORIZ SMT P/HDR
|
|
4,894庫存量
6,500在途量
|
|
|
HK$5.34
|
|
|
HK$4.52
|
|
|
HK$3.85
|
|
|
HK$3.44
|
|
|
HK$3.44
|
|
|
檢視
|
|
|
HK$3.17
|
|
|
HK$2.99
|
|
|
HK$2.92
|
|
|
HK$2.74
|
|
最少： 1
倍數： 1
:
500
|
|
|
Headers
|
Pin Strip
|
3 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
SMD/SMT
|
Solder
|
Right Angle
|
Pin (Male)
|
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 6 WAY SIL HORIZ SMT P/HDR
- M20-8890645R
- Harwin
-
1:
HK$9.12
-
2,838庫存量
|
Mouser 元件編號
855-M20-8890645R
|
Harwin
|
集管和線殼 M20 6 WAY SIL HORIZ SMT P/HDR
|
|
2,838庫存量
|
|
|
HK$9.12
|
|
|
HK$7.76
|
|
|
HK$6.60
|
|
|
HK$5.89
|
|
|
HK$5.44
|
|
|
檢視
|
|
|
HK$5.13
|
|
|
HK$5.02
|
|
最少： 1
倍數： 1
:
500
|
|
|
Headers
|
Pin Strip
|
6 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
SMD/SMT
|
Solder
|
Right Angle
|
Pin (Male)
|
|
|
M20
|
|
- 40 C
|
+ 105 C
|
Reel, Cut Tape, MouseReel
|
|
|
|
集管和線殼 M20 6 SIL CRIMP HOUSING
- M20-8900605
- Harwin
-
1:
HK$6.82
-
13,632庫存量
|
Mouser 元件編號
855-M20-8900605
|
Harwin
|
集管和線殼 M20 6 SIL CRIMP HOUSING
|
|
13,632庫存量
|
|
|
HK$6.82
|
|
|
HK$5.78
|
|
|
HK$5.70
|
|
|
HK$4.59
|
|
|
檢視
|
|
|
HK$4.37
|
|
|
HK$4.17
|
|
|
HK$3.91
|
|
|
HK$3.81
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
6 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
SMD/SMT
|
Solder
|
Right Angle
|
Pin (Male)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 02 SIL HORIZONTAL PIN HEADER GOLD HT
- M20-9750242
- Harwin
-
1:
HK$1.56
-
20,790庫存量
|
Mouser 元件編號
855-M20-9750242
|
Harwin
|
集管和線殼 M20 02 SIL HORIZONTAL PIN HEADER GOLD HT
|
|
20,790庫存量
|
|
|
HK$1.56
|
|
|
HK$1.32
|
|
|
HK$1.13
|
|
|
HK$1.00
|
|
|
檢視
|
|
|
HK$0.945
|
|
|
HK$0.904
|
|
|
HK$0.847
|
|
|
HK$0.838
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
2 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
Through Hole
|
Solder Pin
|
Right Angle
|
Pin (Male)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 06 SIL HORIZONTAL PIN HEADER GOLD HT
- M20-9750642
- Harwin
-
1:
HK$4.19
-
9,229庫存量
|
Mouser 元件編號
855-M20-9750642
|
Harwin
|
集管和線殼 M20 06 SIL HORIZONTAL PIN HEADER GOLD HT
|
|
9,229庫存量
|
|
|
HK$4.19
|
|
|
HK$3.54
|
|
|
HK$3.02
|
|
|
HK$2.70
|
|
|
檢視
|
|
|
HK$2.56
|
|
|
HK$2.49
|
|
|
HK$2.29
|
|
|
HK$2.17
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
6 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
Through Hole
|
Solder Pin
|
Right Angle
|
|
Tin
|
|
M20
|
|
|
|
|
|
|
|
集管和線殼 M20 02 SIL VERTICAL PIN HEADER TIN
- M20-9770246
- Harwin
-
1:
HK$0.822
-
38,968庫存量
|
Mouser 元件編號
855-M20-9770246
|
Harwin
|
集管和線殼 M20 02 SIL VERTICAL PIN HEADER TIN
|
|
38,968庫存量
|
|
|
HK$0.822
|
|
|
HK$0.666
|
|
|
HK$0.658
|
|
|
HK$0.575
|
|
|
檢視
|
|
|
HK$0.51
|
|
|
HK$0.477
|
|
|
HK$0.452
|
|
|
HK$0.427
|
|
|
HK$0.411
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
2 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
Pin (Male)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 05+05 DIL VERTICAL PIN HEADER TIN
- M20-9970546
- Harwin
-
1:
HK$4.52
-
9,380庫存量
|
Mouser 元件編號
855-M20-9970546
|
Harwin
|
集管和線殼 M20 05+05 DIL VERTICAL PIN HEADER TIN
|
|
9,380庫存量
|
|
|
HK$4.52
|
|
|
HK$3.83
|
|
|
HK$3.26
|
|
|
HK$2.91
|
|
|
檢視
|
|
|
HK$2.83
|
|
|
HK$2.52
|
|
|
HK$2.35
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
10 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
Pin (Male)
|
Tin
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 03+03 DIL VERTICAL PIN HEADER GOLD HT
- M20-9980345
- Harwin
-
1:
HK$2.30
-
26,576庫存量
-
3,900在途量
|
Mouser 元件編號
855-M20-9980345
|
Harwin
|
集管和線殼 M20 03+03 DIL VERTICAL PIN HEADER GOLD HT
|
|
26,576庫存量
3,900在途量
|
|
|
HK$2.30
|
|
|
HK$1.98
|
|
|
HK$1.69
|
|
|
HK$1.50
|
|
|
檢視
|
|
|
HK$1.42
|
|
|
HK$1.40
|
|
|
HK$1.27
|
|
|
HK$1.22
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
6 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
Pin (Male)
|
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 04+04 DIL VERTICAL PIN HEADER GOLD HT
- M20-9980445
- Harwin
-
1:
HK$3.04
-
9,718庫存量
|
Mouser 元件編號
855-M20-9980445
|
Harwin
|
集管和線殼 M20 04+04 DIL VERTICAL PIN HEADER GOLD HT
|
|
9,718庫存量
|
|
|
HK$3.04
|
|
|
HK$2.56
|
|
|
HK$2.18
|
|
|
HK$1.95
|
|
|
檢視
|
|
|
HK$1.85
|
|
|
HK$1.65
|
|
|
HK$1.58
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
8 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
|
|
|
M20
|
|
|
|
|
|
|
|
集管和線殼 M20 05+05 DIL VERTICAL PIN HEADER GOLD HT
- M20-9980545
- Harwin
-
1:
HK$3.62
-
7,645庫存量
|
Mouser 元件編號
855-M20-9980545
|
Harwin
|
集管和線殼 M20 05+05 DIL VERTICAL PIN HEADER GOLD HT
|
|
7,645庫存量
|
|
|
HK$3.62
|
|
|
HK$3.06
|
|
|
HK$2.60
|
|
|
HK$2.32
|
|
|
檢視
|
|
|
HK$2.20
|
|
|
HK$2.12
|
|
|
HK$1.96
|
|
|
HK$1.88
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
10 Position
|
2.54 mm (0.1 in)
|
2 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
Pin (Male)
|
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
|
|
集管和線殼 M20 02 SIL VERTICAL PIN HEADER GOLD HT
- M20-9990245
- Harwin
-
1:
HK$0.986
-
51,828庫存量
-
16,000在途量
|
Mouser 元件編號
855-M20-9990245
|
Harwin
|
集管和線殼 M20 02 SIL VERTICAL PIN HEADER GOLD HT
|
|
51,828庫存量
16,000在途量
|
|
|
HK$0.986
|
|
|
HK$0.838
|
|
|
HK$0.715
|
|
|
HK$0.633
|
|
|
檢視
|
|
|
HK$0.60
|
|
|
HK$0.534
|
|
|
HK$0.51
|
|
最少： 1
倍數： 1
|
|
|
Headers
|
Pin Strip
|
2 Position
|
2.54 mm (0.1 in)
|
1 Row
|
|
Through Hole
|
Solder Pin
|
Straight
|
Pin (Male)
|
Gold
|
|
M20
|
|
- 40 C
|
+ 105 C
|
|
|
香港