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CMC Series SMD Ring Core Chokes

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. 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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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.
Common Mode Chokes / Filters SMD Common-Mode Chokes B82721S0282A030 TDK 1: £2.65 390In Stock	Mfr. Part No. B82721S0282A030 Mouser Part No 871-B82721S0282A030	TDK	Common Mode Chokes / Filters SMD Common-Mode Chokes Learn More about TDK epcos cmc smd ring core chokes	Datasheet	390In Stock	Cut Tape £2.65 £2.21 £1.99 £1.61 Reel £1.53 View £1.36 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A B82720S2301N040 TDK 1: £1.58 924In Stock	Mfr. Part No. B82720S2301N040 Mouser Part No 871-B82720S2301N40	TDK	Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A Learn More about TDK epcos lumileds led solutions	Datasheet	924In Stock	Cut Tape £1.58 £1.31 £1.14 £1.07 Reel £1.06	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A B82720S0182A020 TDK 1: £3.41 644In Stock	Mfr. Part No. B82720S0182A020 Mouser Part No 871-B82720S0182A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A Learn More about TDK epcos cmc smd ring core chokes	Datasheet	644In Stock	Cut Tape £3.41 £2.82 £2.60 £2.45 Reel £2.12 View £2.31 £2.25 £2.10 £1.90 MouseReel Available	Min.: 1 Mult.: 1 : 500
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A B82720S2152N040 TDK 1: £2.12 976In Stock 750Expected 29/03/2027	Mfr. Part No. B82720S2152N040 Mouser Part No 871-B82720S2152N40	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A	Datasheet	976In Stock 750Expected 29/03/2027	Cut Tape £2.12 £1.75 £1.53 £1.37 Reel £1.31 View £1.22 £1.16 £1.06	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC B82721S0322A020 TDK 1: £2.31 1,385In Stock	Mfr. Part No. B82721S0322A020 Mouser Part No 871-B82721S0322A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	1,385In Stock	Cut Tape £2.31 £1.90 £1.54 Reel £1.53 £1.43 View £1.39 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC B82721S0572A040 TDK 1: £2.31 899In Stock	Mfr. Part No. B82721S0572A040 Mouser Part No 871-B82721S0572A040	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	899In Stock	Cut Tape £2.31 £1.90 £1.66 £1.48 Reel £1.38 View £1.36 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC B82722S0103A020 TDK 1: £4.84 635In Stock	Mfr. Part No. B82722S0103A020 Mouser Part No 871-B82722S0103A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	635In Stock	Cut Tape £4.84 £3.98 £3.68 £3.47 Reel £3.27 View £3.08 £2.80 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC B82722S0133A020 TDK 1: £4.84 400In Stock 600Expected 16/12/2026	Mfr. Part No. B82722S0133A020 Mouser Part No 871-B82722S0133A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	400In Stock 600Expected 16/12/2026	Cut Tape £4.84 £3.98 £3.68 £3.47 Reel £3.27 View £3.08 £2.80 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC B82722S0193A040 TDK 1: £5.30 408In Stock 1,400Expected 26/11/2026	Mfr. Part No. B82722S0193A040 Mouser Part No 871-B82722S0193A040	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	408In Stock 1,400Expected 26/11/2026	Cut Tape £5.30 £4.32 £3.91 £3.69 Reel £3.47 View £3.27 £3.08 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC B82722S0193A041 TDK 1: £4.84 982In Stock	Mfr. Part No. B82722S0193A041 Mouser Part No 871-B82722S0193A041	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	982In Stock	Cut Tape £4.84 £3.98 £3.68 £3.47 Reel £3.27 £3.08 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C B82720S2301N042 TDK 1: £2.00 592In Stock	Mfr. Part No. B82720S2301N042 Mouser Part No 871-B82720S2301N42	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C	Datasheet	592In Stock	Cut Tape £2.00 £1.65 £1.44 £1.36 Reel £1.25 View £1.18 £1.16 £1.06	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC B82721S0272T040 TDK 1: £2.31 410In Stock	Mfr. Part No. B82721S0272T040 Mouser Part No 871-B82721S0272T040	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	410In Stock	Cut Tape £2.31 £1.90 £1.66 £1.48 Reel £1.48 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC B82721S0322A010 TDK 1: £3.31 711In Stock	Mfr. Part No. B82721S0322A010 Mouser Part No 871-B82721S0322A010	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	711In Stock	Cut Tape £3.31 £2.65 £1.61 Reel £1.53 £1.47 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC B82721S0562A030 TDK 1: £2.44 64In Stock 200Expected 23/11/2026	Mfr. Part No. B82721S0562A030 Mouser Part No 871-B82721S0562A030	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	64In Stock 200Expected 23/11/2026	Cut Tape £2.44 £2.02 £1.75 £1.56 Reel £1.48 View £1.42 £1.28 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC B82721S0572A020 TDK 1: £2.31 454In Stock	Mfr. Part No. B82721S0572A020 Mouser Part No 871-B82721S0572A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	454In Stock	Cut Tape £2.31 £1.90 £1.66 £1.48 Reel £1.38 View £1.36 £1.24 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC B82722S0322A040 TDK 1: £4.84 215In Stock 1,200On Order	Mfr. Part No. B82722S0322A040 Mouser Part No 871-B82722S0322A040	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	215In Stock 1,200On Order On Order Ship Dates Mfr. No: B82722S0322A040 Stock: 215 Can Dispatch Immediately On Order: 400 Expected 23/11/2026 400 Expected 15/02/2027 400 Expected 16/02/2027 Factory Lead Time: 24 Weeks	Cut Tape £4.84 £3.98 £3.68 £3.47 Reel £3.45 View £3.16 £3.15 £2.85 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC B82722S0862A020 TDK 1: £5.18 21In Stock 200Expected 19/02/2027	Mfr. Part No. B82722S0862A020 Mouser Part No 871-B82722S0862A020	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC Learn More about TDK epcos cmc smd ring core chokes	Datasheet	21In Stock 200Expected 19/02/2027	Cut Tape £5.18 £4.22 £3.82 £3.61 Reel £3.45 View £3.27 £3.20 MouseReel Available	Min.: 1 Mult.: 1 : 100
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 B82722X0002 TDK 1: £18.61 4In Stock	Mfr. Part No. B82722X0002 Mouser Part No 871-B82722X0002	TDK	Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 Learn More about TDK epcos cmc smd ring core chokes		4In Stock	£18.61 £16.17 £16.04	Min.: 1 Mult.: 1
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 B82721X0002 TDK 1: £31.35 Non-Stocked Lead-Time 25 Weeks	Mfr. Part No. B82721X0002 Mouser Part No 871-B82721X0002	TDK	Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 Learn More about TDK epcos cmc smd ring core chokes		Non-Stocked Lead-Time 25 Weeks	£31.35 £25.83 £25.34 £24.67	Min.: 1 Mult.: 1

CMC Series SMD Ring Core Chokes

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CMC Series SMD Ring Core Chokes

Types of Passive Components