Common Mode Filters / Chokes

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Modbus Products

TDK Corporation offers a wide range of EPCOS and TDK brand components ideal for the design and development of Modbus circuits. Modbus is the standard serial communication protocol used throughout many industries to transmit and collect data from one electronic device to another. The Modbus protocol is commonly used in the design of the Industrial Internet of Things (IIoT). TDK components for Modbus-related applications feature a wide range of general passive devices such as signal inductors, common-mode filters, signal transformers, inductors, chokes, aluminum electrolytic capacitors, SMD varistors, and surge arresters. A full range of sensors and sensor systems are available for specific Modbus sensor requirements.

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Part #

Common Mode Chokes / Filters 700ohms @ 100MHz

ACM1211-701-2PL-TL01
TDK
1: $2.49
26,934In Stock

Mfr. Part #
ACM1211-701-2PL-TL01

Mouser Part #
810-ACM12117012PLTL1

TDK

Common Mode Chokes / Filters 700ohms @ 100MHz

Learn More

Datasheet

26,934In Stock

Cut Tape

$2.49

$2.04

$1.80

$1.69

Reel

$1.45

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

PCB Mount

2 Channel

ACM

SMD/SMT

1.33 uH

700 Ohms

8 A

6 mOhms

- 40 C

+ 85 C

4844 (1211 metric)

12 mm

11 mm

6 mm

Reel, Cut Tape, MouseReel

Common Mode Filters

Power Line

Common Mode Chokes / Filters 90ohms

ACM2012-900-2P-T002
TDK
1: $0.507
100,603In Stock
42,000Expected 2026-04-14
NRND

Mfr. Part #
ACM2012-900-2P-T002

Mouser Part #
810-ACM20129002PT002

NRND

TDK

Common Mode Chokes / Filters 90ohms

Datasheet

100,603In Stock

42,000Expected 2026-04-14

Cut Tape

$0.507

$0.413

$0.361

$0.341

Reel

$0.253

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

PCB Mount

2 Channel

ACM

SMD/SMT

200 nH

90 Ohms

400 mA

190 mOhms

- 40 C

+ 105 C

0805 (2012 metric)

2 mm

1.2 mm

1.3 mm

Reel, Cut Tape, MouseReel

Common Mode Filters

Signal Line

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

B82721A2402N020
EPCOS / TDK
1: $3.36
1,216In Stock

Mfr. Part #
B82721A2402N020

Mouser Part #
871-B82721A2402N020

EPCOS / TDK

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

Learn More

Datasheet

1,216In Stock

$3.36

$2.76

$2.41

$2.27

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 800ohms @ MHz .15A 2.5 mm x 2 mm

ACM2520-801-3P-T002
TDK
1: $0.982
8,527In Stock
14,200Expected 2026-06-08

Mfr. Part #
ACM2520-801-3P-T002

Mouser Part #
810-ACM25208013PT002

TDK

Common Mode Chokes / Filters 800ohms @ MHz .15A 2.5 mm x 2 mm

Learn More

Datasheet

8,527In Stock

14,200Expected 2026-06-08

Cut Tape

$0.982

$0.85

$0.764

$0.721

Reel

$0.551

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 2,000

PCB Mount

3 Channel

ACM

SMD/SMT

2 uH

800 Ohms

150 mA

1.6 Ohms

- 40 C

+ 85 C

1008 (2520 metric)

2.5 mm

2 mm

1.2 mm

Reel, Cut Tape, MouseReel

Common Mode Filters

Common Mode Filter for High-Speed Differential Signal Line, General Signal Line

Common Mode Chokes / Filters 50VDC 55mOhm 2.4A 180mm

ACM4520-421-2P-T000
TDK
1: $1.26
9,095In Stock

Mfr. Part #
ACM4520-421-2P-T000

Mouser Part #
810-ACM45204212PT000

TDK

Common Mode Chokes / Filters 50VDC 55mOhm 2.4A 180mm

Learn More

Datasheet

9,095In Stock

Cut Tape

$1.26

$1.03

$0.901

$0.849

View

Reel

$0.639

MouseReel Available

Min.: 1
Mult.: 1

Reel: 800

PCB Mount

2 Channel

ACM

SMD/SMT

1.1 uH

420 Ohms

2.4 A

55 mOhms

- 40 C

+ 85 C

1808 (4520 metric)

4.7 mm

4.5 mm

2 mm

Reel, Cut Tape, MouseReel

Common Mode Filters

Common Mode Filter for Power Line

Common Mode Chokes / Filters 900Ohms 50VDC 60mOhm 2A 180mm

ACM4520-901-2P-T000
TDK
1: $1.23
19,077In Stock
11,200Expected 2026-08-24

Mfr. Part #
ACM4520-901-2P-T000

Mouser Part #
810-ACM45209012PT000

TDK

Common Mode Chokes / Filters 900Ohms 50VDC 60mOhm 2A 180mm

Learn More

Datasheet

19,077In Stock

11,200Expected 2026-08-24

Cut Tape

$1.23

$1.01

$0.88

$0.829

Reel

$0.645

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 800

PCB Mount

2 Channel

ACM

SMD/SMT

1.6 uH

900 Ohms

2 A

60 mOhms

- 40 C

+ 85 C

1808 (4520 metric)

4.7 mm

4.5 mm

2 mm

Reel, Cut Tape, MouseReel

Common Mode Filters

Power Line

Common Mode Chokes / Filters 1.0mH 2.0A Horizontal Core

B82721A2202N1
EPCOS / TDK
1: $3.36
484In Stock
600Expected 2026-03-26

Mfr. Part #
B82721A2202N1

Mouser Part #
871-B82721A2202N1

EPCOS / TDK

Common Mode Chokes / Filters 1.0mH 2.0A Horizontal Core

Learn More

Datasheet

484In Stock

600Expected 2026-03-26

$3.36

$2.76

$2.41

$2.27

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: $3.41
846In Stock

Mfr. Part #
B82721A2262N001

Mouser Part #
871-B82721A2262N1

EPCOS / TDK

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

Learn More

Datasheet

846In Stock

$3.41

$2.81

$2.46

$2.32

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 RING CORE CHOKE 2x0,2mH 6,0 A +40 C

B82721A2602N020
EPCOS / TDK
1: $3.41
409In Stock

Mfr. Part #
B82721A2602N020

Mouser Part #
871-B82721A2602N20

EPCOS / TDK

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

Learn More

Datasheet

409In Stock

$3.41

$2.81

$2.44

$2.30

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 RING CORE CHOKE 2 x 1 mH. 6 A

B82723A2602N001
EPCOS / TDK
1: $4.30
557In Stock

Mfr. Part #
B82723A2602N001

Mouser Part #
871-B82723A2602N001

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 2 x 1 mH. 6 A

Learn More

Datasheet

557In Stock

$4.30

$3.55

$3.09

$2.92

View

Min.: 1
Mult.: 1

Horizontal Mount

2 Channel

B82723A

Through Hole

1 mH

30 %

6 A

22 mOhms

- 40 C

+ 125 C

28 mm x 27 mm

28 mm

27 mm

16.8 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 0.45mH 8A 11mohms

B82723A2802N001
EPCOS / TDK
1: $4.33
78In Stock

Mfr. Part #
B82723A2802N001

Mouser Part #
871-B82723A2802N001

EPCOS / TDK

Common Mode Chokes / Filters 0.45mH 8A 11mohms

Learn More

Datasheet

78In Stock

$4.33

$3.56

$3.12

$2.93

View

Min.: 1
Mult.: 1

Horizontal Mount

2 Channel

B82723A

Through Hole

450 uH

30 %

8 A

11 mOhms

- 40 C

+ 125 C

28 mm

27 mm

16.8 mm

Tray

Common Mode Chokes

Power Line

Common Mode Chokes / Filters 0.4mH 3.6A Horizontal Core

B82721A2362N1
EPCOS / TDK
1: $3.36
1,199On Order

Mfr. Part #
B82721A2362N1

Mouser Part #
871-B82721A2362N1

EPCOS / TDK

Common Mode Chokes / Filters 0.4mH 3.6A Horizontal Core

Learn More

Datasheet

1,199On Order

$3.36

$2.76

$2.41

$2.27

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Through Hole

400 uH

30 %

3.6 A

35 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 600uH 2.5A 250Vrms

B82721A2252N020
EPCOS / TDK
1: $3.36
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
B82721A2252N020

Mouser Part #
871-B82721A2252N020

EPCOS / TDK

Common Mode Chokes / Filters RING CORE CHOKE 600uH 2.5A 250Vrms

Learn More

Datasheet

Non-Stocked Lead-Time 6 Weeks

$3.36

$2.76

$2.39

$2.26

View

Min.: 1
Mult.: 1

Horizontal Mount

1 Channel

B82721A

Radial

600 uH

30 %

2.5 A

+ 40 C

12.6 mm

Tray

Ring Core Chokes

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