EMI/RFI Chokes

Coilcraft EMI/RFI Chokes help ensure reliable high-speed data interface communication that is free of disruptive EMI. These EMI/RFI Chokes are effective and widely used interface circuit components for meeting the variety of signal size, thermal variation, and spectral density requirements in high-speed communications. Coilcraft common mode chokes help maintain the integrity of high-speed communications and may be necessary for FCC and international regulatory standards conformance.

Types of Passive Components

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Results: 386
Select Image Part # Mfr. Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity. Qty. RoHS
Coilcraft Coupled Inductors LPD4012 Low Profile 20% 840mA 1.63Ohms 1,151In Stock
Min.: 1
Mult.: 1
: 1,000

Coilcraft Coupled Inductors LPD5030 Low Profile 20% 7.51Ohms 1,050In Stock
Min.: 1
Mult.: 1
: 750

Coilcraft Coupled Inductors 27uH Shld 20% 2.52A 120mOhms 743In Stock
Min.: 1
Mult.: 1
: 500

Coilcraft Coupled Inductors 22uH Shld 20% 3.45A 65mOhms 479In Stock
Min.: 1
Mult.: 1
: 300

Coilcraft Coupled Inductors 5.6uH Shld 20% 4.24A 40mOhms 684In Stock
Min.: 1
Mult.: 1
: 500

Coilcraft Coupled Inductors 82uH Shld 20% 1.62A 274mOhms 649In Stock
Min.: 1
Mult.: 1
: 500

Coilcraft Coupled Inductors 82uH Shld 20% 1.65A 280mOhms 1In Stock
500Expected 5/10/2026
Min.: 1
Mult.: 1
: 500

Coilcraft Coupled Inductors LPD5030V Mini Hi Iso 20% 490mOhms 2,631In Stock
Min.: 1
Mult.: 1
: 750

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 18nH DCR=.077Ohms 15,902In Stock
10,000Expected 28/8/2026
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 413nH DCR=.65Ohms 4,467In Stock
14,000Expected 25/9/2026
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 53nH DCR=.22Ohms 3,505In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 623nH DCR=.44Ohms 11,366In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Coupled Inductors LPD4012 Low Profile 20% 1.1A 750mOhms 1,995In Stock
2,000Expected 7/9/2026
Min.: 1
Mult.: 1
: 1,000

Coilcraft Coupled Inductors LPD4012 Low Profile 30% 5.6A 42mOhms 931In Stock
Min.: 1
Mult.: 1
: 1,000

Coilcraft Common Mode Chokes / Filters For NoiseAttenuation 5uH 500mA 200mOhms 1,457In Stock
Min.: 1
Mult.: 1
: 500

Coilcraft Common Mode Chokes / Filters For NoiseAttenuation 5uH 100mA 250mOhms 3,356In Stock
Min.: 1
Mult.: 1
: 500

Coilcraft Coupled Inductors 10uH 20% 550mA 1.22ohms 2,245In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 37nH DCR=.109Ohms 2,550In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 322nH DCR=.45Ohms 1,487In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 60nH DCR=.14Ohms 1,239In Stock
8,000Expected 2/10/2026
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 14nH DCR=.11Ohms 1,738In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 252nH DCR=.63Ohms 601In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 77nH DCR=.235Ohms 1,431In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Hi Speed Signal 105nH DCR=.27Ohms 588In Stock
Min.: 1
Mult.: 1
: 2,000

Coilcraft Common Mode Chokes / Filters For Data Line 0.47mH 0.85A DCR=0.24Ohms 458In Stock
Min.: 1
Mult.: 1
: 250