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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 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. 949In 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	949In Stock	Cut Tape $2.11 $1.74 $1.52 $1.43 Reel $1.32 $1.08 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 2x1.6mH 1.5A B82720S2152N040 TDK 1: $2.82 A tariff of 30% may be applied if shipping to the United States. 2,259In Stock	Mfr. Part # B82720S2152N040 Mouser Part # 871-B82720S2152N40	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A	Datasheet	2,259In Stock	Cut Tape $2.82 $2.33 $2.03 $1.85 Reel $1.66 View $1.55 $1.34 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: $3.26 A tariff of 30% may be applied if shipping to the United States. 1,395In 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	1,395In Stock	Cut Tape $3.26 $2.69 $2.34 $2.05 Reel $1.96 View $1.91 $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: $2.69 A tariff of 30% may be applied if shipping to the United States. 946In 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	946In Stock	Cut Tape $2.69 $2.22 $1.94 $1.81 Reel $1.81 $1.56 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. 400In Stock 600Expected 1/8/2027	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	400In Stock 600Expected 1/8/2027	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 0.88mH 1.8 A B82720S0182A020 TDK 1: $4.55 A tariff of 30% may be applied if shipping to the United States. 171In Stock 500Expected 11/10/2026	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	171In Stock 500Expected 11/10/2026	Cut Tape $4.55 $3.75 $3.47 $3.27 Reel $2.80 View $3.08 $3.00 $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 2x22mH 0.3A/+40 C B82720S2301N042 TDK 1: $2.66 A tariff of 30% may be applied if shipping to the United States. 692In Stock	Mfr. Part # B82720S2301N042 Mouser Part # 871-B82720S2301N42	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C	Datasheet	692In Stock	Cut Tape $2.66 $2.20 $1.92 $1.80 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: $3.50 A tariff of 30% may be applied if shipping to the United States. 5In Stock 400Expected 11/10/2026	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 400Expected 11/10/2026	Cut Tape $3.50 $2.94 $2.67 $1.98 Reel $1.98 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 Common-Mode Chokes B82721S0282A030 TDK 1: $3.52 A tariff of 30% may be applied if shipping to the United States. 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 $3.52 $2.94 $2.65 $2.11 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 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. 719In 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	719In Stock	Cut Tape $4.41 $4.03 $2.11 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: $3.33 A tariff of 30% may be applied if shipping to the United States. 32In 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	32In Stock 200Expected 11/23/2026	Cut Tape $3.33 $2.76 $2.48 $1.84 Reel $1.84 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. 464In 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	464In 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. 237In Stock 400Expected 11/10/2026	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	237In Stock 400Expected 11/10/2026	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: $6.44 A tariff of 30% may be applied if shipping to the United States. 35In Stock 2,000Expected 11/19/2026	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	35In Stock 2,000Expected 11/19/2026	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 160uH 19A/+40degC B82722S0193A041 TDK 1: $6.82 A tariff of 30% may be applied if shipping to the United States. 1In Stock 1,200Expected 10/15/2026	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	1In Stock 1,200Expected 10/15/2026	Cut Tape $6.82 $5.77 $5.22 $5.03 Reel $4.64 View $4.44 $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 5.6mH 3.25A/+40degC B82722S0322A040 TDK 1: $6.90 A tariff of 30% may be applied if shipping to the United States. 15In Stock 1,400On 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	15In Stock 1,400On Order On Order Ship Dates Mfr. #: B82722S0322A040 Stock: 15 Can Ship Immediately On Order: 200 Expected 10/22/2026 400 Expected 11/23/2026 400 Expected 4/16/2027 400 Expected 5/27/2027 Factory Lead-Time: 36 Weeks	Cut Tape $6.90 $5.62 $5.09 $4.80 Reel $4.59 View $4.36 $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 0.81mH 8.6A/+40degC B82722S0862A020 TDK 1: $6.44 A tariff of 30% may be applied if shipping to the United States. 276In Stock	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	276In Stock	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
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: $39.48 A tariff of 30% may be applied if shipping to the United States. Non-Stocked Lead-Time 37 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 37 Weeks	$39.48 $34.32 $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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