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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 (USD) 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: $3.52 A tariff of 30% may be applied if shipping to the United States. 380In 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	380In Stock	Cut Tape $3.52 $2.94 $2.65 $2.14 Reel $2.04 View $1.81 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A B82720S2301N040 TDK 1: $2.11 A tariff of 30% may be applied if shipping to the United States. 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 $2.11 $1.74 $1.52 $1.43 Reel $1.40 View $1.32 $1.31 $1.30 $1.11 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A B82720S0182A020 TDK 1: $4.55 A tariff of 30% may be applied if shipping to the United States. 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 $4.55 $3.75 $3.47 $3.27 Reel $2.82 View $3.08 $3.00 $2.80 $2.44 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 500
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A B82720S2152N040 TDK 1: $2.82 A tariff of 30% may be applied if shipping to the United States. 974In 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	974In Stock 750Expected 3/29/2027	Cut Tape $2.82 $2.33 $2.03 $1.87 Reel $1.74 View $1.63 $1.55 $1.37 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC B82721S0322A020 TDK 1: $3.08 A tariff of 30% may be applied if shipping to the United States. 1,383In 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	1,383In Stock	Cut Tape $3.08 $2.53 $2.05 Reel $2.04 $1.91 View $1.85 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC B82721S0572A040 TDK 1: $3.08 A tariff of 30% may be applied if shipping to the United States. 294In 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	294In Stock	Cut Tape $3.08 $2.53 $2.21 $1.97 Reel $1.84 View $1.81 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC B82722S0103A020 TDK 1: $6.44 A tariff of 30% may be applied if shipping to the United States. 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 $6.44 $5.30 $4.90 $4.62 Reel $4.35 View $4.11 $3.48 $3.46 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC B82722S0193A040 TDK 1: $7.25 A tariff of 30% may be applied if shipping to the United States. 2,082In Stock	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	2,082In Stock	Cut Tape $7.25 $5.87 $5.22 $4.93 Reel $4.57 View $4.50 $4.20 $4.11 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC B82722S0193A041 TDK 1: $6.44 A tariff of 30% may be applied if shipping to the United States. 981In 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	981In Stock	Cut Tape $6.44 $5.30 $4.90 $4.62 Reel $4.35 $4.11 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C B82720S2301N042 TDK 1: $2.66 A tariff of 30% may be applied if shipping to the United States. 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 $2.66 $2.20 $1.92 $1.81 Reel $1.66 View $1.57 $1.55 $1.37 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC B82721S0272T040 TDK 1: $3.08 A tariff of 30% may be applied if shipping to the United States. 3In Stock 200Expected 4/20/2027	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	3In Stock 200Expected 4/20/2027	Cut Tape $3.08 $2.53 $2.21 $1.97 Reel $1.96 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC B82721S0322A010 TDK 1: $4.41 A tariff of 30% may be applied if shipping to the United States. 677In 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	677In Stock	Cut Tape $4.41 $3.52 $2.14 Reel $2.04 $1.95 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC B82721S0562A030 TDK 1: $3.26 A tariff of 30% may be applied if shipping to the United States. 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 $3.26 $2.69 $2.34 $2.08 Reel $1.96 View $1.89 $1.71 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC B82721S0572A020 TDK 1: $3.08 A tariff of 30% may be applied if shipping to the United States. 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 $3.08 $2.53 $2.21 $1.97 Reel $1.84 View $1.81 $1.61 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC B82722S0133A020 TDK 1: $6.44 A tariff of 30% may be applied if shipping to the United States. 275In 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	275In Stock 600Expected 12/16/2026	Cut Tape $6.44 $5.30 $4.90 $4.62 Reel $4.35 View $4.11 $3.59 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC B82722S0322A040 TDK 1: $6.44 A tariff of 30% may be applied if shipping to the United States. 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: 800 Pending 400 Expected 11/23/2026 Factory Lead-Time: 24 Weeks	Cut Tape $6.44 $5.30 $4.90 $4.62 Reel $4.59 View $4.21 $4.20 $3.80 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC B82722S0862A020 TDK 1: $6.90 A tariff of 30% may be applied if shipping to the United States. 11In Stock 200On Order	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	11In Stock 200On Order	Cut Tape $6.90 $5.62 $5.09 $4.80 Reel $4.59 View $4.36 $4.26 MouseReel Available A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 100
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 B82722X0002 TDK 1: $24.79 A tariff of 30% may be applied if shipping to the United States. 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	$24.79 $21.53 $21.36 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 B82721X0002 TDK 1: $41.76 A tariff of 30% may be applied if shipping to the United States. 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	$41.76 $34.41 $33.75 $32.86 A tariff of 30% may be applied if shipping to the United States.	Min.: 1 Mult.: 1

CMC Series SMD Ring Core Chokes

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CMC Series SMD Ring Core Chokes

Types of Passive Components