Common Mode Chokes / Filters 0.3A 12mH 1100mOhm Vertical Choke
RN202-0.3-02-12M
TE Connectivity / Schaffner
1:
₱112.27
19,858 May Stock
# ng Piyesa ng Mouser
631-RN202-0.3-02-12M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.3A 12mH 1100mOhm Vertical Choke
19,858 May Stock
1
₱112.27
10
₱85.89
50
₱80.37
100
₱75.46
250
Tingnan
250
₱69.94
500
₱65.64
1,000
₱61.96
2,500
₱58.47
5,000
₱58.16
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
12 mH
- 30 %, + 50 %
300 mA
1.1 Ohms
- 40 C
+ 100 C
18.2 mm x 8.8 mm x 13.5 mm
8.8 mm
18.2 mm
13.5 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 2A 2.2mH 66mOhm Horizontal Choke
RN116-2-02-2M2
TE Connectivity / Schaffner
1:
₱148.47
2,679 May Stock
# ng Piyesa ng Mouser
631-RN116-2-02-2M2
TE Connectivity / Schaffner
Common Mode Chokes / Filters 2A 2.2mH 66mOhm Horizontal Choke
2,679 May Stock
1
₱148.47
10
₱122.70
25
₱106.14
100
₱101.23
250
Tingnan
250
₱92.64
500
₱87.73
1,000
₱82.82
2,500
₱76.69
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
2.2 mH
- 30 %, + 50 %
2 A
66 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1.5A 6.8mH 123mOhm Vertical Choke
RN214-1.5-02-6M8
TE Connectivity / Schaffner
1:
₱128.84
1,224 May Stock
# ng Piyesa ng Mouser
631-RN214-1.5-02-6M8
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1.5A 6.8mH 123mOhm Vertical Choke
1,224 May Stock
1
₱128.84
10
₱108.59
25
₱94.48
100
₱88.96
250
Tingnan
250
₱83.44
500
₱79.14
1,000
₱74.85
2,500
₱69.94
5,000
₱68.10
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
6.8 mH
- 30 %, + 50 %
1.5 A
123 mOhms
- 40 C
+ 100 C
23 mm x 15.5 mm x 25 mm
15.5 mm
23 mm
25 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1.5A 10mH 148mOhm Vertical Choke
RN216-1.5-02-10M
TE Connectivity / Schaffner
1:
₱176.07
52 May Stock
# ng Piyesa ng Mouser
631-RN216-1.5-02-10M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1.5A 10mH 148mOhm Vertical Choke
52 May Stock
1
₱176.07
10
₱145.40
25
₱132.52
100
₱115.95
250
Tingnan
250
₱107.36
500
₱101.23
1,000
₱95.71
2,500
₱88.34
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
10 mH
- 30 %, + 50 %
1.5 A
148 mOhms
- 40 C
+ 100 C
23 mm x 15.5 mm x 25 mm
15.5 mm
23 mm
25 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1A 33mH 810mOhm Vertical Choke
RN242-1-02-33M
TE Connectivity / Schaffner
1:
₱268.10
300 May Stock
# ng Piyesa ng Mouser
631-RN242-1-02-33M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1A 33mH 810mOhm Vertical Choke
300 May Stock
1
₱268.10
10
₱213.50
30
₱200.61
60
₱188.96
105
Tingnan
105
₱173.62
255
₱160.74
510
₱155.22
1,005
₱149.08
2,505
₱142.95
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
33 mH
- 30 %, + 50 %
1 A
810 mOhms
- 40 C
+ 100 C
31 mm x 18 mm x 34.3 mm
18 mm
31 mm
34.3 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1A 15mH 260mOhm Vertical Choke
RN216-1-02-15M
TE Connectivity / Schaffner
1:
₱171.78
537 May Stock
# ng Piyesa ng Mouser
631-RN216-1-02-15M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1A 15mH 260mOhm Vertical Choke
537 May Stock
1
₱171.78
10
₱141.72
25
₱122.70
100
₱106.14
250
Tingnan
250
₱100.61
500
₱96.32
1,000
₱93.25
2,500
₱88.34
5,000
₱85.28
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
15 mH
- 30 %, + 50 %
1 A
260 mOhms
- 40 C
+ 100 C
23 mm x 15.5 mm x 25 mm
15.5 mm
23 mm
25 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 12 mH Horizontal Choke
RN102-0.3-02-12M
TE Connectivity / Schaffner
1:
₱127.61
2,552 May Stock
# ng Piyesa ng Mouser
631-RN102-0.3-02-12M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 12 mH Horizontal Choke
2,552 May Stock
1
₱127.61
10
₱104.91
25
₱88.34
120
₱80.98
280
Tingnan
280
₱74.23
520
₱69.94
1,000
₱66.26
2,520
₱65.03
5,000
₱64.42
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
12 mH
- 30 %, + 50 %
300 mA
1.1 Ohms
- 40 C
+ 100 C
14 mm x 14 mm x 9 mm
14 mm
14 mm
9 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.6A 4.4mH 380mOhm Horizontal Choke
RN102-0.6-02-4M4
TE Connectivity / Schaffner
1:
₱122.70
2,561 May Stock
# ng Piyesa ng Mouser
631-RN102-0.6-02-4M4
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.6A 4.4mH 380mOhm Horizontal Choke
2,561 May Stock
1
₱122.70
10
₱101.84
25
₱88.34
120
₱84.66
280
Tingnan
280
₱79.14
520
₱74.85
1,000
₱67.49
2,520
₱65.64
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
4.4 mH
- 30 %, + 50 %
600 mA
380 mOhms
- 40 C
+ 100 C
14 mm x 14 mm x 9 mm
14 mm
14 mm
9 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1A 3mH 210mOhm Horizontal Choke
RN102-1-02-3M0
TE Connectivity / Schaffner
1:
₱133.13
2,792 May Stock
# ng Piyesa ng Mouser
631-RN102-1-02-3M0
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1A 3mH 210mOhm Horizontal Choke
2,792 May Stock
1
₱133.13
10
₱109.82
25
₱92.03
120
₱88.34
280
Tingnan
280
₱82.21
520
₱77.91
1,000
₱74.23
2,520
₱68.10
5,000
₱66.87
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
3 mH
- 30 %, + 50 %
1 A
210 mOhms
- 40 C
+ 100 C
14 mm x 14 mm x 9 mm
14 mm
14 mm
9 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1.5A 1.6mH 94mOhm Horizontal Choke
RN102-1.5-02-1M6
TE Connectivity / Schaffner
1:
₱133.74
4,117 May Stock
# ng Piyesa ng Mouser
631-RN102-1.5-02-1M6
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1.5A 1.6mH 94mOhm Horizontal Choke
4,117 May Stock
1
₱133.74
10
₱110.43
25
₱92.64
120
₱82.21
280
Tingnan
280
₱79.14
520
₱74.23
1,000
₱70.55
2,520
₱68.10
5,000
₱65.64
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
1.6 mH
- 30 %, + 50 %
1.5 A
94 mOhms
- 40 C
+ 100 C
14 mm x 14 mm x 9 mm
14 mm
14 mm
9 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 2A 1.1mH 70mOhm Horizontal Choke
RN102-2-02-1M1
TE Connectivity / Schaffner
1:
₱136.81
2,889 May Stock
# ng Piyesa ng Mouser
631-RN102-2-02-1M1
TE Connectivity / Schaffner
Common Mode Chokes / Filters 2A 1.1mH 70mOhm Horizontal Choke
2,889 May Stock
1
₱136.81
10
₱112.88
25
₱94.48
120
₱83.44
280
Tingnan
280
₱80.37
520
₱73.62
1,000
₱71.17
2,520
₱68.71
5,000
₱66.26
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
1.1 mH
- 30 %, + 50 %
2 A
70 mOhms
- 40 C
+ 100 C
14 mm x 14 mm x 9 mm
14 mm
14 mm
9 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.4A 39mH 1500mOhm Horizontal Choke
RN112-0.4-02-39M
TE Connectivity / Schaffner
1:
₱119.02
1,516 May Stock
# ng Piyesa ng Mouser
631-RN112-0.4-02-39M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.4A 39mH 1500mOhm Horizontal Choke
1,516 May Stock
1
₱119.02
10
₱98.16
25
₱84.66
100
₱79.76
250
Tingnan
250
₱74.23
500
₱69.94
1,000
₱66.87
5,000
₱65.03
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
39 mH
- 30 %, + 50 %
400 mA
1.5 Ohms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.5A 27mH 1200mOhm Horizontal Choke
RN112-0.5-02-27M
TE Connectivity / Schaffner
1:
₱134.97
7,297 May Stock
# ng Piyesa ng Mouser
631-RN112-0.5-02-27M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.5A 27mH 1200mOhm Horizontal Choke
7,297 May Stock
1
₱134.97
10
₱111.04
25
₱96.32
100
₱87.73
250
Tingnan
250
₱83.44
500
₱81.60
1,000
₱76.69
2,500
₱71.17
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
27 mH
- 30 %, + 50 %
500 mA
1.2 Ohms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.8A 10mH 380mOhm Horizontal Choke
RN112-0.8-02-10M
TE Connectivity / Schaffner
1:
₱127.61
3,065 May Stock
# ng Piyesa ng Mouser
631-RN112-0.8-02-10M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.8A 10mH 380mOhm Horizontal Choke
3,065 May Stock
1
₱127.61
10
₱111.04
25
₱96.32
100
₱82.21
250
Tingnan
250
₱77.91
500
₱76.07
2,500
₱71.17
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
10 mH
- 30 %, + 50 %
800 mA
380 mOhms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1.2A 6.8mH 250mOhm Horizontal Choke
RN112-1.2-02-6M8
TE Connectivity / Schaffner
1:
₱138.65
4,212 May Stock
# ng Piyesa ng Mouser
631-RN112-1.2-02-6M8
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1.2A 6.8mH 250mOhm Horizontal Choke
4,212 May Stock
1
₱138.65
10
₱116.57
25
₱102.45
100
₱96.93
250
Tingnan
250
₱89.57
500
₱84.05
1,000
₱79.76
2,500
₱73.62
5,000
₱71.17
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
6.8 mH
- 30 %, + 50 %
1.2 A
250 mOhms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 1.5A 3.3mH 102mOhm Horizontal Choke
RN112-1.5-02-3M3
TE Connectivity / Schaffner
1:
₱138.65
2,130 May Stock
# ng Piyesa ng Mouser
631-RN112-1.5-02-3M3
TE Connectivity / Schaffner
Common Mode Chokes / Filters 1.5A 3.3mH 102mOhm Horizontal Choke
2,130 May Stock
1
₱138.65
10
₱114.72
25
₱99.39
100
₱91.41
250
Tingnan
250
₱82.82
500
₱77.91
1,000
₱76.07
2,500
₱73.62
5,000
₱71.17
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
3.3 mH
- 30 %, + 50 %
1.5 A
102 mOhms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 4A 0.7mH 24mOhm Horizontal Choke
RN112-4-02-0M7
TE Connectivity / Schaffner
1:
₱143.56
9,315 May Stock
# ng Piyesa ng Mouser
631-RN112-4-02-0M7
TE Connectivity / Schaffner
Common Mode Chokes / Filters 4A 0.7mH 24mOhm Horizontal Choke
9,315 May Stock
1
₱143.56
10
₱118.41
25
₱102.45
100
₱87.12
250
Tingnan
250
₱82.82
500
₱77.91
1,000
₱73.62
2,500
₱71.17
5,000
₱68.71
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
700 uH
- 30 %, + 50 %
4 A
24 mOhms
- 40 C
+ 100 C
17.1 mm x 17.7 mm x 12.6 mm
17.7 mm
17.1 mm
12.6 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.8A 27mH 500mOhm Horizontal Choke
RN114-0.8-02-27M
TE Connectivity / Schaffner
1:
₱125.15
2,500 May Stock
# ng Piyesa ng Mouser
631-RN114-0.8-02-27M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.8A 27mH 500mOhm Horizontal Choke
2,500 May Stock
1
₱125.15
10
₱103.07
25
₱92.03
100
₱86.50
250
Tingnan
250
₱79.76
500
₱77.30
1,000
₱75.46
2,500
₱73.01
5,000
₱72.39
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
27 mH
- 30 %, + 50 %
800 mA
500 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 2A 4.2mH 100mOhm Horizontal Choke
RN114-2-02-4M2
TE Connectivity / Schaffner
1:
₱144.17
3,653 May Stock
# ng Piyesa ng Mouser
631-RN114-2-02-4M2
TE Connectivity / Schaffner
Common Mode Chokes / Filters 2A 4.2mH 100mOhm Horizontal Choke
3,653 May Stock
1
₱144.17
10
₱119.02
25
₱103.07
100
₱97.55
250
Tingnan
250
₱90.18
500
₱84.66
1,000
₱79.14
2,500
₱76.07
5,000
₱73.62
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
4.2 mH
- 30 %, + 50 %
2 A
100 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 2.5A 3.3mH 63mOhm Horizontal Choke
RN114-2.5-02-3M3
TE Connectivity / Schaffner
1:
₱147.24
10,536 May Stock
# ng Piyesa ng Mouser
631-RN114-2.5-02-3M3
TE Connectivity / Schaffner
Common Mode Chokes / Filters 2.5A 3.3mH 63mOhm Horizontal Choke
10,536 May Stock
1
₱147.24
10
₱121.47
25
₱105.52
100
₱95.71
250
Tingnan
250
₱87.73
500
₱82.82
1,000
₱77.91
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
3.3 mH
- 30 %, + 50 %
2.5 A
63 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 3A 2mH 52mOhm Horizontal Choke
RN114-3-02-2M0
TE Connectivity / Schaffner
1:
₱145.40
1,180 May Stock
1,500 Inaasahan 7/29/2026
# ng Piyesa ng Mouser
631-RN114-3-02-2M0
TE Connectivity / Schaffner
Common Mode Chokes / Filters 3A 2mH 52mOhm Horizontal Choke
1,180 May Stock
1,500 Inaasahan 7/29/2026
1
₱145.40
10
₱119.63
25
₱101.84
100
₱91.41
250
Tingnan
250
₱84.66
500
₱79.76
1,000
₱75.46
2,500
₱71.78
5,000
₱68.71
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
2 mH
- 30 %, + 50 %
3 A
52 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 4A 1.5mH 34mOhm Horizontal Choke
RN114-4-02-1M5
TE Connectivity / Schaffner
1:
₱156.44
1,120 May Stock
6,000 Inoorder
# ng Piyesa ng Mouser
631-RN114-4-02-1M5
TE Connectivity / Schaffner
Common Mode Chokes / Filters 4A 1.5mH 34mOhm Horizontal Choke
1,120 May Stock
6,000 Inoorder
Tingnan ang mga Petsa
Stock:
1,120 Maaaring Ipadala Agad
Inoorder:
2,500 Inaasahan 8/18/2026
3,500 Inaasahan 8/31/2026
Lead-Time ng Pabrika:
13 (na) Linggo
1
₱156.44
10
₱128.84
25
₱111.04
100
₱104.30
250
Tingnan
250
₱99.39
500
₱94.48
1,000
₱88.96
2,500
₱78.53
5,000
₱76.07
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
1.5 mH
- 30 %, + 50 %
4 A
34 mOhms
- 40 C
+ 100 C
21.5 mm x 22.5 mm x 13.2 mm
22.5 mm
21.5 mm
13.2 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 0.6A 47mH 1300mOhm Horizontal Choke
RN122-0.6-02-47M
TE Connectivity / Schaffner
1:
₱162.58
932 May Stock
# ng Piyesa ng Mouser
631-RN122-0.6-02-47M
TE Connectivity / Schaffner
Common Mode Chokes / Filters 0.6A 47mH 1300mOhm Horizontal Choke
932 May Stock
1
₱162.58
10
₱148.47
20
₱137.42
100
₱112.88
260
Tingnan
260
₱101.23
500
₱98.16
5,000
₱96.93
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
47 mH
- 30 %, + 50 %
600 mA
1.3 Ohms
- 40 C
+ 100 C
27 mm x 28 mm x 16.5 mm
28 mm
27 mm
16.5 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 2A 6.8mH 156mOhm Horizontal Choke
RN122-2-02-6M8
TE Connectivity / Schaffner
1:
₱170.55
1,147 May Stock
# ng Piyesa ng Mouser
631-RN122-2-02-6M8
TE Connectivity / Schaffner
Common Mode Chokes / Filters 2A 6.8mH 156mOhm Horizontal Choke
1,147 May Stock
1
₱170.55
10
₱139.88
20
₱128.84
100
₱123.31
260
Tingnan
260
₱114.11
500
₱107.98
1,000
₱101.84
2,500
₱89.57
5,000
₱85.89
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
6.8 mH
- 30 %, + 50 %
2 A
156 mOhms
- 40 C
+ 100 C
27 mm x 28 mm x 16.5 mm
28 mm
27 mm
16.5 mm
Common Mode Chokes
Current Compensated Choke
Common Mode Chokes / Filters 4A 3.3mH 46mOhm Horizontal Choke
RN122-4-02-3M3
TE Connectivity / Schaffner
1:
₱199.39
2,263 May Stock
# ng Piyesa ng Mouser
631-RN122-4-02-3M3
TE Connectivity / Schaffner
Common Mode Chokes / Filters 4A 3.3mH 46mOhm Horizontal Choke
2,263 May Stock
1
₱199.39
10
₱164.42
20
₱149.08
100
₱137.42
260
Tingnan
260
₱130.68
500
₱123.93
1,000
₱115.34
2,500
₱108.59
5,000
₱107.36
Bumili
Min.: 1
Mult.: 1
Mga detalye
PCB Mount
1 Channel
RN
Through Hole
3.3 mH
- 30 %, + 50 %
4 A
46 mOhms
- 40 C
+ 100 C
27 mm x 28 mm x 16.5 mm
28 mm
27 mm
16.5 mm
Common Mode Chokes
Current Compensated Choke