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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 (JPY) 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: ¥584.7 390In Stock	Mfr. Part # B82721S0282A030 Mouser Part # 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 ¥584.7 ¥488.3 ¥440.2 ¥355.5 Reel ¥338.8 View ¥300.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A B82720S2301N040 TDK 1: ¥350.5 921In Stock	Mfr. Part # B82720S2301N040 Mouser Part # 871-B82720S2301N40	TDK	Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A Learn More about TDK epcos lumileds led solutions	Datasheet	921In Stock	Cut Tape ¥350.5 ¥289 ¥252.5 ¥237.5 Reel ¥219.3 View ¥217.6 ¥215.9 ¥179.4	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A B82720S0182A020 TDK 1: ¥755.8 644In Stock	Mfr. Part # B82720S0182A020 Mouser Part # 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 ¥755.8 ¥622.9 ¥576.4 ¥543.1 Reel ¥468.4 View ¥511.6 ¥498.3 ¥465.1 ¥405.3 MouseReel Available	Min.: 1 Mult.: 1 : 500
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A B82720S2152N040 TDK 1: ¥468.4 976In Stock 750Expected 3/29/2027	Mfr. Part # B82720S2152N040 Mouser Part # 871-B82720S2152N40	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A	Datasheet	976In Stock 750Expected 3/29/2027	Cut Tape ¥468.4 ¥387 ¥337.2 ¥310.6 Reel ¥289 View ¥270.7 ¥257.5 ¥227.6	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC B82721S0322A020 TDK 1: ¥511.6 1,385In Stock	Mfr. Part # B82721S0322A020 Mouser Part # 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 ¥511.6 ¥420.2 ¥340.5 Reel ¥338.8 ¥317.3 View ¥307.3 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC B82721S0572A040 TDK 1: ¥511.6 899In Stock	Mfr. Part # B82721S0572A040 Mouser Part # 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 ¥511.6 ¥420.2 ¥367.1 ¥327.2 Reel ¥305.6 View ¥300.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC B82722S0103A020 TDK 1: ¥1,069.7 635In Stock	Mfr. Part # B82722S0103A020 Mouser Part # 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 ¥1,069.7 ¥880.3 ¥813.9 ¥767.4 Reel ¥722.5 View ¥682.7 ¥578 ¥574.7 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC B82722S0193A040 TDK 1: ¥1,116.2 390In Stock 1,400Expected 11/26/2026	Mfr. Part # B82722S0193A040 Mouser Part # 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	390In Stock 1,400Expected 11/26/2026	Cut Tape ¥1,116.2 ¥908.6 ¥822.2 ¥775.7 Reel ¥722.5 View ¥689.3 ¥682.7 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC B82722S0193A041 TDK 1: ¥1,069.7 982In Stock	Mfr. Part # B82722S0193A041 Mouser Part # 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 ¥1,069.7 ¥880.3 ¥813.9 ¥767.4 Reel ¥722.5 ¥682.7 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C B82720S2301N042 TDK 1: ¥441.8 592In Stock	Mfr. Part # B82720S2301N042 Mouser Part # 871-B82720S2301N42	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C	Datasheet	592In Stock	Cut Tape ¥441.8 ¥365.4 ¥318.9 ¥300.6 Reel ¥275.7 View ¥260.8 ¥257.5 ¥227.6	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC B82721S0272T040 TDK 1: ¥511.6 5In Stock	Mfr. Part # B82721S0272T040 Mouser Part # 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	5In Stock	Cut Tape ¥511.6 ¥420.2 ¥367.1 ¥327.2 Reel ¥325.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC B82721S0322A010 TDK 1: ¥732.5 711In Stock	Mfr. Part # B82721S0322A010 Mouser Part # 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 ¥732.5 ¥584.7 ¥355.5 Reel ¥338.8 ¥323.9 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC B82721S0562A030 TDK 1: ¥541.5 64In Stock 200Expected 11/23/2026	Mfr. Part # B82721S0562A030 Mouser Part # 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 11/23/2026	Cut Tape ¥541.5 ¥446.8 ¥388.7 ¥345.5 Reel ¥325.6 View ¥313.9 ¥284 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC B82721S0572A020 TDK 1: ¥511.6 254In Stock	Mfr. Part # B82721S0572A020 Mouser Part # 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	254In Stock	Cut Tape ¥511.6 ¥420.2 ¥367.1 ¥327.2 Reel ¥305.6 View ¥300.6 ¥267.4 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC B82722S0133A020 TDK 1: ¥1,069.7 300In Stock 600Expected 12/16/2026	Mfr. Part # B82722S0133A020 Mouser Part # 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	300In Stock 600Expected 12/16/2026	Cut Tape ¥1,069.7 ¥880.3 ¥813.9 ¥767.4 Reel ¥722.5 View ¥682.7 ¥596.3 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC B82722S0322A040 TDK 1: ¥1,069.7 209In Stock 1,200On Order	Mfr. Part # B82722S0322A040 Mouser Part # 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	209In Stock 1,200On Order On Order Ship Dates Mfr. #: B82722S0322A040 Stock: 209 Can Ship Immediately On Order: 400 Expected 11/23/2026 400 Expected 2/15/2027 400 Expected 2/16/2027 Factory Lead-Time: 24 Weeks	Cut Tape ¥1,069.7 ¥880.3 ¥813.9 ¥767.4 Reel ¥762.4 View ¥699.3 ¥697.6 ¥631.2 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC B82722S0862A020 TDK 1: ¥1,146.1 21In Stock 200Expected 2/19/2027	Mfr. Part # B82722S0862A020 Mouser Part # 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 2/19/2027	Cut Tape ¥1,146.1 ¥933.5 ¥845.4 ¥797.3 Reel ¥762.4 View ¥724.2 ¥707.6 MouseReel Available	Min.: 1 Mult.: 1 : 100
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 B82722X0002 TDK 1: ¥4,117.6 4In Stock	Mfr. Part # B82722X0002 Mouser Part # 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	¥4,117.6 ¥3,576.1 ¥3,547.9	Min.: 1 Mult.: 1
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 B82721X0002 TDK 1: ¥6,936.3 Non-Stocked Lead-Time 25 Weeks	Mfr. Part # B82721X0002 Mouser Part # 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	¥6,936.3 ¥5,715.5 ¥5,605.9 ¥5,458	Min.: 1 Mult.: 1

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CMC Series SMD Ring Core Chokes

Types of Passive Components