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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 (CAD) 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: $5.07 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 $5.07 $4.23 $3.82 $3.08 Reel $2.94 View $2.61 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A B82720S2301N040 TDK 1: $3.04 924In 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	924In Stock	Cut Tape $3.04 $2.51 $2.19 $2.06 Reel $1.90 $1.66	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A B82720S0182A020 TDK 1: $6.55 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 $6.55 $5.40 $5.00 $4.71 Reel $4.06 View $4.44 $4.32 $4.03 $3.51 MouseReel Available	Min.: 1 Mult.: 1 : 500
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A B82720S2152N040 TDK 1: $4.06 976In Stock 750Expected 2027-03-29	Mfr. Part # B82720S2152N040 Mouser Part # 871-B82720S2152N40	TDK	Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A	Datasheet	976In Stock 750Expected 2027-03-29	Cut Tape $4.06 $3.36 $2.92 $2.64 Reel $2.51 View $2.35 $2.23 $1.97	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC B82721S0322A020 TDK 1: $4.44 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 $4.44 $3.64 $2.95 Reel $2.94 $2.75 View $2.66 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC B82721S0572A040 TDK 1: $4.44 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 $4.44 $3.64 $3.18 $2.84 Reel $2.65 View $2.61 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC B82722S0103A020 TDK 1: $9.27 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 $9.27 $7.63 $7.06 $6.65 Reel $6.26 View $5.92 $5.01 $4.98 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC B82722S0133A020 TDK 1: $9.27 400In Stock 600Expected 2026-12-16	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 2026-12-16	Cut Tape $9.27 $7.63 $7.06 $6.65 Reel $6.26 View $5.92 $5.17 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC B82722S0193A040 TDK 1: $10.17 408In Stock 1,400Expected 2026-11-26	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	408In Stock 1,400Expected 2026-11-26	Cut Tape $10.17 $8.29 $7.50 $7.08 Reel $6.65 View $6.28 $5.92 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC B82722S0193A041 TDK 1: $9.27 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 $9.27 $7.63 $7.06 $6.65 Reel $6.26 $5.92 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C B82720S2301N042 TDK 1: $3.83 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 $3.83 $3.17 $2.76 $2.61 Reel $2.39 View $2.26 $2.23 $1.97	Min.: 1 Mult.: 1 : 250
Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC B82721S0272T040 TDK 1: $4.44 410In 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	410In Stock	Cut Tape $4.44 $3.64 $3.18 $2.84 Reel $2.82 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC B82721S0322A010 TDK 1: $6.35 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 $6.35 $5.07 $3.08 Reel $2.94 $2.81 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC B82721S0562A030 TDK 1: $4.69 64In Stock 200Expected 2026-11-23	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 2026-11-23	Cut Tape $4.69 $3.87 $3.37 $3.00 Reel $2.82 View $2.72 $2.46 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC B82721S0572A020 TDK 1: $4.44 454In 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	454In Stock	Cut Tape $4.44 $3.64 $3.18 $2.84 Reel $2.65 View $2.61 $2.32 MouseReel Available	Min.: 1 Mult.: 1 : 200
Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC B82722S0322A040 TDK 1: $9.27 215In 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	215In Stock 1,200On Order On Order Ship Dates Mfr. #: B82722S0322A040 Stock: 215 Can Ship Immediately On Order: 400 Expected 2026-11-23 400 Expected 2027-02-15 400 Expected 2027-02-16 Factory Lead-Time: 24 Weeks	Cut Tape $9.27 $7.63 $7.06 $6.65 Reel $6.61 View $6.06 $6.05 $5.47 MouseReel Available	Min.: 1 Mult.: 1 : 100
Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC B82722S0862A020 TDK 1: $9.94 21In Stock 200Expected 2027-02-19	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 2027-02-19	Cut Tape $9.94 $8.09 $7.33 $6.91 Reel $6.61 View $6.28 $6.13 MouseReel Available	Min.: 1 Mult.: 1 : 100
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 B82722X0002 TDK 1: $35.70 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	$35.70 $31.00 $30.76	Min.: 1 Mult.: 1
Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 B82721X0002 TDK 1: $60.13 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	$60.13 $49.55 $48.60 $47.32	Min.: 1 Mult.: 1

CMC Series SMD Ring Core Chokes

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CMC Series SMD Ring Core Chokes

Types of Passive Components