CMC Series SMD Ring Core Chokes

EPCOS / 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. EPCOS / 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.

Types of Inductors, Chokes & Coils
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Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Inductance
Tolerance
Maximum DC Current
Termination Style
Maximum Operating Temperature
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.47mH 13A/+40degC
Datasheet
416In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

470 uH 35 % 13 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.38mH 19A/+40degC
Datasheet
579In Stock
800Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

380 uH 35 % 19 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 160uH 19A/+40degC
Datasheet
631In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

160 uH 35 % 19 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.88mH 1.8 A
Datasheet
500In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 500

880 uH 35 % 1.8 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 2x1.6mH 1.5A
Datasheet
21In Stock
1.250Expected 06/07/2026
Min.: 1
Mult.: 1
Reel: 250
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 2x22mH 0.3A/+40 C
Datasheet
213In Stock
750Expected 24/07/2026
Min.: 1
Mult.: 1
Reel: 250
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 3mH 2.7A/+40degC
Datasheet
400In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

3 mH 35 % 2.7 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD Common-Mode Chokes
Datasheet
362In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

1.47 mH 35 % 2.8 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.22mH 3.2A/+40degC
Datasheet
21In Stock
400Expected 23/10/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

220 uH 35 % 3.2 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 1.32mH 3.2A/+40degC
Datasheet
111In Stock
400Expected 06/07/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

1.32 mH 35 % 3.2 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.768mH 5.6A/+40degC
Datasheet
86In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

768 uH 35 % 5.6 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.59mH 5.7A/+40degC
Datasheet
377In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

590 uH 35 % 5.7 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 1.18mH 5.7A/+40degC
Datasheet
53In Stock
1.200On Order
MouseReel Available
Min.: 1
Mult.: 1
Reel: 200

1.18 mH 35 % 5.7 A SMD/SMT + 125 C
EPCOS / TDK Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82721S0 5In Stock
Min.: 1
Mult.: 1

EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.63mH 10.4A/+40degC
Datasheet
223In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

630 uH 35 % 10.4 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 5.6mH 3.25A/+40degC
Datasheet
8In Stock
400Expected 19/02/2026
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

5.6 mH 35 % 3.25 A SMD/SMT + 125 C
EPCOS / TDK Common Mode Chokes / Filters SMD RING CORE CHOKE 0.81mH 8.6A/+40degC
Datasheet
300In Stock
MouseReel Available
Min.: 1
Mult.: 1
Reel: 100

810 uH 35 % 8.6 A SMD/SMT + 125 C
EPCOS / TDK Inductor Kits & Accessories SMD Ring Core Choke Sample Kit B82722S0 4In Stock
Min.: 1
Mult.: 1

EPCOS / TDK Common Mode Chokes / Filters 2-FACH-NETZCHOKE 2X12 MH 0.3A
Datasheet
Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1
Reel: 250

12 mH - 30 %, + 50 % 300 mA SMD/SMT + 125 C