Common Mode Filters / Chokes

.hide-partial { max-height: none; } .show-more { display: none; }

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 59

Applied Filters:

Mounting Style

Number of Channels

Series

Termination Style

Inductance

Tolerance

Maximum DC Current

Maximum DC Resistance

Minimum Operating Temperature

Maximum Operating Temperature

Length

Width

Height

Packaging

Product

Type

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Part #

Common Mode Chokes / Filters 6.8mH 1.2A 280mohms

B82721K2122N20
EPCOS / TDK
1: $2.19
36,753In Stock

Mfr. Part No.
B82721K2122N20

Mouser Part No
871-B82721K2122N20

EPCOS / TDK

Common Mode Chokes / Filters 6.8mH 1.2A 280mohms

Learn More

Datasheet

36,753In Stock

$2.19

$1.87

$1.72

$1.28

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

6.8 mH

30 %

1.2 A

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2x27mH 0.5A +70 C

B82721K2501U031
EPCOS / TDK
1: $2.35
1,711In Stock

Mfr. Part No.
B82721K2501U031

Mouser Part No
871-B82721K2501U031

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x27mH 0.5A +70 C

Learn More

Datasheet

1,711In Stock

$2.35

$1.94

$1.69

$1.59

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

27 mH

30 %

500 mA

1.14 Ohms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters RING CORE CHOKE 2X1MH 2A

B82721K2202N1
EPCOS / TDK
1: $2.19
2,825In Stock

Mfr. Part No.
B82721K2202N1

Mouser Part No
871-B82721K2202N1

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2X1MH 2A

Learn More

Datasheet

2,825In Stock

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Through Hole

1 mH

30 %

2 A

80 mOhms

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters RING CORE CHOKE 2X47MH 0.3A

B82721K2301N020
EPCOS / TDK
1: $2.87
626In Stock

Mfr. Part No.
B82721K2301N020

Mouser Part No
871-B82721K2301N020

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2X47MH 0.3A

Learn More

Datasheet

626In Stock

$2.87

$2.44

$2.25

$1.68

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

47 mH

30 %

300 mA

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2X18MH 0.5A

B82721K2501N001
EPCOS / TDK
1: $2.36
701In Stock

Mfr. Part No.
B82721K2501N001

Mouser Part No
871-B82721K2501N1

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2X18MH 0.5A

Learn More

Datasheet

701In Stock

$2.36

$1.96

$1.73

$1.53

View

Min.: 1
Mult.: 1

Vertical Mount

2 Channel

B82721K

Through Hole

18 mH

30 %

500 mA

1.4 Ohms

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters RING CORE CHOKE 2x39mH 0,4 A +70 C

B82721A2401N023
EPCOS / TDK
1: $2.22
941In Stock

Mfr. Part No.
B82721A2401N023

Mouser Part No
871-B82721A2401N23

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x39mH 0,4 A +70 C

Learn More

Datasheet

941In Stock

$2.22

$1.83

$1.60

$1.51

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

39 mH

30 %

400 mA

+ 70 C

12.6 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2x6.8mH 1.3A +70 C

B82721K2132U030
EPCOS / TDK
1: $2.34
628In Stock

Mfr. Part No.
B82721K2132U030

Mouser Part No
871-B82721K2132U030

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x6.8mH 1.3A +70 C

Learn More

Datasheet

628In Stock

$2.34

$1.93

$1.68

$1.59

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

6.8 mH

30 %

1.3 A

200 mOhms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters RING CORE CHOKE 2x39mH 0.5A +70 C

B82721K2501U030
EPCOS / TDK
1: $2.36
635In Stock

Mfr. Part No.
B82721K2501U030

Mouser Part No
871-B82721K2501U030

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x39mH 0.5A +70 C

Learn More

Datasheet

635In Stock

$2.36

$1.95

$1.70

$1.60

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

39 mH

30 %

500 mA

1.38 Ohms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters 27mH 0.5A 1.1ohms

B82721K2501N22
EPCOS / TDK
1: $3.19
688In Stock
Factory Special Order

Mfr. Part No.
B82721K2501N22

Mouser Part No
871-B82721K2501N22

Factory Special Order

EPCOS / TDK

Common Mode Chokes / Filters 27mH 0.5A 1.1ohms

Learn More

Datasheet

688In Stock

$3.19

$2.67

$2.44

$1.92

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

27 mH

30 %

500 mA

+ 60 C

18.2 mm

13.2 mm

20.3 mm

Bulk

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2X6.8MH 1.2A

B82721A2122N20
EPCOS / TDK
1: $1.69
3,052In Stock

Mfr. Part No.
B82721A2122N20

Mouser Part No
871-B82721A2122N20

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2X6.8MH 1.2A

Learn More

Datasheet

3,052In Stock

$1.69

$1.39

$1.22

$1.15

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

6.8 mH

30 %

1.2 A

- 40 C

+ 125 C

12.6 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters 3.3mH 1.5A 30% 17.9x17.3mm

B82721A2152N001
EPCOS / TDK
1: $2.24
1,357In Stock
1,200Expected 25/09/2026

Mfr. Part No.
B82721A2152N001

Mouser Part No
871-B82721A2152N001

EPCOS / TDK

Common Mode Chokes / Filters 3.3mH 1.5A 30% 17.9x17.3mm

Learn More

Datasheet

1,357In Stock

1,200Expected 25/09/2026

$2.24

$1.84

$1.60

$1.51

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

3.3 mH

30 %

1.5 A

- 40 C

+ 125 C

12.6 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters 0.7mH 4A 30% 17.9x17.3mm

B82721A2402N020
EPCOS / TDK
1: $2.19
1,179In Stock

Mfr. Part No.
B82721A2402N020

Mouser Part No
871-B82721A2402N020

EPCOS / TDK

Common Mode Chokes / Filters 0.7mH 4A 30% 17.9x17.3mm

Learn More

Datasheet

1,179In Stock

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Horizontal Mount

2 Channel

B82721A

Through Hole

700 uH

30 %

4 A

30 mOhms

- 40 C

+ 125 C

17.9 mm

17.3 mm

12.6 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters RING CORE CHOKE 2x10MH 1.1A +70 C

B82721K2102U030
EPCOS / TDK
1: $2.34
2,425In Stock

Mfr. Part No.
B82721K2102U030

Mouser Part No
871-B82721K2112U030

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x10MH 1.1A +70 C

Learn More

Datasheet

2,425In Stock

$2.34

$1.93

$1.68

$1.59

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

10 mH

30 %

1.1 A

310 mOhms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters RING CORE CHOKE 2x3.3mH 1.6A +70 C

B82721K2162U030
EPCOS / TDK
1: $2.38
986In Stock

Mfr. Part No.
B82721K2162U030

Mouser Part No
871-B82721K2162U030

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x3.3mH 1.6A +70 C

Learn More

Datasheet

986In Stock

$2.38

$1.96

$1.71

$1.61

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

3.3 mH

30 %

1.6 A

130 mOhms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters 10mH 0.7A 550mohms

B82721K2701N20
EPCOS / TDK
1: $1.96
1,650In Stock
3,600Expected 31/03/2026

Mfr. Part No.
B82721K2701N20

Mouser Part No
871-B82721K2701N20

EPCOS / TDK

Common Mode Chokes / Filters 10mH 0.7A 550mohms

Learn More

Datasheet

1,650In Stock

3,600Expected 31/03/2026

$1.96

$1.61

$1.41

$1.26

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

10 mH

30 %

700 mA

+ 60 C

18.2 mm

13.2 mm

20.3 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters 1.0mH 2.0A Horizontal Core

B82721A2202N1
EPCOS / TDK
1: $2.19
449In Stock
600Expected 07/09/2026

Mfr. Part No.
B82721A2202N1

Mouser Part No
871-B82721A2202N1

EPCOS / TDK

Common Mode Chokes / Filters 1.0mH 2.0A Horizontal Core

Learn More

Datasheet

449In Stock

600Expected 07/09/2026

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

1 mH

30 %

2 A

+ 40 C

12.6 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2X400UH 2.6A

B82721A2262N001
EPCOS / TDK
1: $2.22
846In Stock

Mfr. Part No.
B82721A2262N001

Mouser Part No
871-B82721A2262N1

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2X400UH 2.6A

Learn More

Datasheet

846In Stock

$2.22

$1.83

$1.60

$1.51

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Through Hole

400 uH

30 %

2.6 A

55 mOhms

- 40 C

+ 125 C

17.9 mm

17.3 mm

12.6 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 39mH 0.4A 30% 17.9x17.3mm

B82721A2401N020
EPCOS / TDK
1: $2.18
853In Stock

Mfr. Part No.
B82721A2401N020

Mouser Part No
871-B82721A2401N020

EPCOS / TDK

Common Mode Chokes / Filters 39mH 0.4A 30% 17.9x17.3mm

Learn More

Datasheet

853In Stock

$2.18

$1.79

$1.56

$1.47

View

Min.: 1
Mult.: 1

Horizontal Mount

2 Channel

B82721A

Through Hole

39 mH

30 %

400 mA

2 Ohms

- 40 C

+ 125 C

17.9 mm

17.3 mm

12.6 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 27mH 0.4A 30% 17.9x17.3mm

B82721A2401N021
EPCOS / TDK
1: $2.21
996In Stock

Mfr. Part No.
B82721A2401N021

Mouser Part No
871-B82721A2401N021

EPCOS / TDK

Common Mode Chokes / Filters 27mH 0.4A 30% 17.9x17.3mm

Learn More

Datasheet

996In Stock

$2.21

$1.82

$1.58

$1.53

View

Min.: 1
Mult.: 1

Horizontal Mount

2 Channel

B82721A

Through Hole

27 mH

30 %

400 mA

1.7 Ohms

- 40 C

+ 125 C

17.9 mm

17.3 mm

12.6 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters RING CORE CHOKE 2x0,2mH 6,0 A +40 C

B82721A2602N020
EPCOS / TDK
1: $2.22
409In Stock

Mfr. Part No.
B82721A2602N020

Mouser Part No
871-B82721A2602N20

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x0,2mH 6,0 A +40 C

Learn More

Datasheet

409In Stock

$2.22

$1.83

$1.59

$1.50

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

200 uH

30 %

6 A

+ 40 C

12.6 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters 10mH 0.7A Horizontal Core

B82721A2701N20
EPCOS / TDK
1: $2.16
123In Stock
350Expected 01/06/2026

Mfr. Part No.
B82721A2701N20

Mouser Part No
871-B82721A2701N20

EPCOS / TDK

Common Mode Chokes / Filters 10mH 0.7A Horizontal Core

Learn More

Datasheet

123In Stock

350Expected 01/06/2026

$2.16

$1.78

$1.55

$1.46

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Through Hole

10 mH

30 %

700 mA

550 mOhms

- 40 C

+ 125 C

17.9 mm

17.3 mm

12.6 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 3.3mH 1.5A 30% 18.2x13.2mm

B82721K2152N001
EPCOS / TDK
1: $2.19
635In Stock
1,440Expected 19/05/2026

Mfr. Part No.
B82721K2152N001

Mouser Part No
871-B82721K2152N001

EPCOS / TDK

Common Mode Chokes / Filters 3.3mH 1.5A 30% 18.2x13.2mm

Learn More

Datasheet

635In Stock

1,440Expected 19/05/2026

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

3.3 mH

30 %

1.5 A

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Ring Core Chokes

Common Mode Chokes / Filters RING CORE CHOKE 2x1.0mH 2.2A +70 C

B82721K2222U030
EPCOS / TDK
1: $2.34
179In Stock

Mfr. Part No.
B82721K2222U030

Mouser Part No
871-B82721K2222U030

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2x1.0mH 2.2A +70 C

Learn More

Datasheet

179In Stock

$2.34

$1.93

$1.68

$1.59

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

1 mH

30 %

2.2 A

70 mOhms

18.2 mm

13.2 mm

20 mm

Tray

Ring Core Chokes

Power Line Choke

Common Mode Chokes / Filters 0.4mH 2.6A 55mohms

B82721K2262N001
EPCOS / TDK
1: $2.19
98In Stock
720Expected 08/06/2026

Mfr. Part No.
B82721K2262N001

Mouser Part No
871-B82721K2262N1

EPCOS / TDK

Common Mode Chokes / Filters 0.4mH 2.6A 55mohms

Learn More

Datasheet

98In Stock

720Expected 08/06/2026

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Vertical Mount

2 Channel

B82721K

Through Hole

400 uH

30 %

2.6 A

55 mOhms

- 40 C

+ 125 C

18.2 mm

13.2 mm

20.3 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 0.4mH 3.6A 35mOhms 18.2x13.2mm

B82721K2362N001
EPCOS / TDK
1: $2.19
810In Stock
720Expected 31/03/2026

Mfr. Part No.
B82721K2362N001

Mouser Part No
871-B82721K2362N001

EPCOS / TDK

Common Mode Chokes / Filters 0.4mH 3.6A 35mOhms 18.2x13.2mm

Learn More

Datasheet

810In Stock

720Expected 31/03/2026

$2.19

$1.80

$1.57

$1.48

View

Min.: 1
Mult.: 1

Vertical Mount

1 Channel

B82721K

Radial

400 uH

30 %

3.6 A

+ 40 C

18.2 mm

13.2 mm

20.3 mm

Tray

Ring Core Chokes

Customer Service Office

Company

Resources

Support