Inductors, Chokes & Coils – Mouser Singapore

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CMC Series SMD Ring Core Chokes

EPCOS / TDK CMC Series SMD Ring Core Chokes feature a low height and compact design with superior EMI suppression characteristics. These current-compensated ring core double chokes offer a range of approximately 0.4% to 1.2% stray inductance for differential-mode interference suppression. The B82720S0 chokes also offer a 1.8A rated current at +40°C and 0.88mH nominal inductance. The B82721S0 type features 2.7A to 5.6A rated current at +40°C and nominal inductance from 0.22mH to 3mH. The B82722S0 chokes have a 3.25A to 19A rated current at +40°C with 0.16mH to 5.6mH nominal inductance. EPCOS / TDK CMC Series SMD Ring Core Chokes are constructed with sector windings and a ferrite core with epoxy coating. They are RoHS compatible and suitable for reflow soldering. Applications include suppression of common-mode interferences, DC/DC power converters, low voltage, and more.

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Types of Inductors, Chokes & Coils

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Part #

Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC

B82721S0572A040
EPCOS / TDK
1: $3.89
853In Stock
400Expected 25/2/2026

Mfr. Part No.
B82721S0572A040

Mouser Part No
871-B82721S0572A040

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC

Learn More

Datasheet

853In Stock

400Expected 25/2/2026

Cut Tape

$3.89

$3.20

$2.79

$2.64

Reel

$2.35

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

1.18 mH

35 %

5.7 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC

B82722S0133A020
EPCOS / TDK
1: $8.13
416In Stock

Mfr. Part No.
B82722S0133A020

Mouser Part No
871-B82722S0133A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC

Learn More

Datasheet

416In Stock

Cut Tape

$8.13

$6.70

$6.20

$5.84

Reel

$5.41

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

470 uH

35 %

13 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC

B82722S0193A040
EPCOS / TDK
1: $8.20
1,179In Stock
200Expected 19/2/2026

Mfr. Part No.
B82722S0193A040

Mouser Part No
871-B82722S0193A040

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC

Learn More

Datasheet

1,179In Stock

200Expected 19/2/2026

Cut Tape

$8.20

$6.76

$6.24

$5.88

Reel

$5.17

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

380 uH

35 %

19 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC

B82722S0193A041
EPCOS / TDK
1: $7.62
631In Stock

Mfr. Part No.
B82722S0193A041

Mouser Part No
871-B82722S0193A041

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC

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Datasheet

631In Stock

Cut Tape

$7.62

$6.48

$6.32

$5.98

Reel

$5.34

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

160 uH

35 %

19 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC

B82722S0322A040
EPCOS / TDK
1: $8.92
408In Stock

Mfr. Part No.
B82722S0322A040

Mouser Part No
871-B82722S0322A040

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC

Learn More

Datasheet

408In Stock

Cut Tape

$8.92

$7.34

$6.77

$6.39

Reel

$5.23

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

5.6 mH

35 %

3.25 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A

B82720S0182A020
EPCOS / TDK
1: $6.23
500In Stock

Mfr. Part No.
B82720S0182A020

Mouser Part No
871-B82720S0182A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A

Learn More

Datasheet

500In Stock

Cut Tape

$6.23

$5.18

$4.80

$4.61

Reel

$3.63

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 500

880 uH

35 %

1.8 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C

B82720S2301N042
EPCOS / TDK
1: $3.20
111In Stock
750Expected 24/7/2026

Mfr. Part No.
B82720S2301N042

Mouser Part No
871-B82720S2301N42

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C

Datasheet

111In Stock

750Expected 24/7/2026

Cut Tape

$3.20

$2.64

$2.31

$2.17

Reel

$1.99

View

Min.: 1
Mult.: 1

Reel: 250

Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC

B82721S0272T040
EPCOS / TDK
1: $4.45
400In Stock

Mfr. Part No.
B82721S0272T040

Mouser Part No
871-B82721S0272T040

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC

Learn More

Datasheet

400In Stock

Cut Tape

$4.45

Reel

$4.45

$4.32

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

3 mH

35 %

2.7 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD Common-Mode Chokes

B82721S0282A030
EPCOS / TDK
1: $3.95
362In Stock

Mfr. Part No.
B82721S0282A030

Mouser Part No
871-B82721S0282A030

EPCOS / TDK

Common Mode Chokes / Filters SMD Common-Mode Chokes

Learn More

Datasheet

362In Stock

Cut Tape

$3.95

$3.25

$2.84

$2.68

Reel

$2.63

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

1.47 mH

35 %

2.8 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC

B82721S0322A010
EPCOS / TDK
1: $7.05
21In Stock
400Expected 4/9/2026

Mfr. Part No.
B82721S0322A010

Mouser Part No
871-B82721S0322A010

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC

Learn More

Datasheet

21In Stock

400Expected 4/9/2026

Cut Tape

$7.05

$6.41

$5.59

$5.41

Reel

$2.70

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

220 uH

35 %

3.2 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC

B82721S0322A020
EPCOS / TDK
1: $4.43
111In Stock
400Expected 6/7/2026

Mfr. Part No.
B82721S0322A020

Mouser Part No
871-B82721S0322A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC

Learn More

Datasheet

111In Stock

400Expected 6/7/2026

Cut Tape

$4.43

Reel

$4.43

$4.38

Quote

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

1.32 mH

35 %

3.2 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC

B82721S0562A030
EPCOS / TDK
1: $3.91
86In Stock

Mfr. Part No.
B82721S0562A030

Mouser Part No
871-B82721S0562A030

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC

Learn More

Datasheet

86In Stock

Cut Tape

$3.91

$3.21

$2.81

$2.36

Reel

$2.21

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

768 uH

35 %

5.6 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC

B82721S0572A020
EPCOS / TDK
1: $3.89
377In Stock

Mfr. Part No.
B82721S0572A020

Mouser Part No
871-B82721S0572A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC

Learn More

Datasheet

377In Stock

Cut Tape

$3.89

$3.20

$2.79

$2.36

Reel

$2.35

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 200

590 uH

35 %

5.7 A

SMD/SMT

+ 125 C

Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0

B82721X0002
EPCOS / TDK
1: $42.90
5In Stock

Mfr. Part No.
B82721X0002

Mouser Part No
871-B82721X0002

EPCOS / TDK

Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0

Learn More

5In Stock

$42.90

$38.13

$37.27

$37.22

Quote

Min.: 1
Mult.: 1

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC

B82722S0103A020
EPCOS / TDK
1: $8.13
223In Stock

Mfr. Part No.
B82722S0103A020

Mouser Part No
871-B82722S0103A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC

Learn More

Datasheet

223In Stock

Cut Tape

$8.13

$6.70

$6.20

$5.84

Reel

$5.74

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

630 uH

35 %

10.4 A

SMD/SMT

+ 125 C

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC

B82722S0862A020
EPCOS / TDK
1: $8.27
300In Stock

Mfr. Part No.
B82722S0862A020

Mouser Part No
871-B82722S0862A020

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC

Learn More

Datasheet

300In Stock

Cut Tape

$8.27

$6.80

$6.30

$5.94

Reel

$5.31

View

MouseReel Available

Min.: 1
Mult.: 1

Reel: 100

810 uH

35 %

8.6 A

SMD/SMT

+ 125 C

Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0

B82722X0002
EPCOS / TDK
1: $28.54
4In Stock

Mfr. Part No.
B82722X0002

Mouser Part No
871-B82722X0002

EPCOS / TDK

Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0

Learn More

4In Stock

$28.54

$25.06

$24.80

$24.39

Quote

Min.: 1
Mult.: 1

Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A

B82720S2152N040
EPCOS / TDK
1: $3.42
1,250Expected 6/7/2026

Mfr. Part No.
B82720S2152N040

Mouser Part No
871-B82720S2152N40

EPCOS / TDK

Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A

Datasheet

1,250Expected 6/7/2026

Cut Tape

$3.42

$2.82

$2.46

$2.32

Reel

$2.03

View

Min.: 1
Mult.: 1

Reel: 250

Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A

B82720S2301N040
EPCOS / TDK
1: $3.36
Non-Stocked Lead-Time 16 Weeks

Mfr. Part No.
B82720S2301N040

Mouser Part No
871-B82720S2301N40

EPCOS / TDK

Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A

Learn More

Datasheet

Non-Stocked Lead-Time 16 Weeks

Cut Tape

$3.36

$2.78

$2.42

$2.28

Reel

$1.99

View

Min.: 1
Mult.: 1

Reel: 250

12 mH

- 30 %, + 50 %

300 mA

SMD/SMT

+ 125 C

CMC Series SMD Ring Core Chokes

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