Common Mode Chokes

Common mode (CM) chokes are a type of electrical filter that reduces unwanted interference, by blocking high frequency noise but lets the desired signal to pass. Common mode noise current is usually found in sources such as unwanted radio signals, unshielded electronics, inverters and motors. If this noise is not filtered, then it can cause problems in your electronics and electrical circuits.

RS have a great range of inductors including these common mode chokes with various inductance values and offer high attenuation over a wide frequency range.

Why use common mode chokes?

Common mode chokes can be used to help the prevention of electromagnetic interference and radio frequency interface. By using these chokes you can help stop your electronic devices from malfunctioning.

Things to consider before purchasing a common mode choke:

Impedance
Frequency bandwidth
Current handling

Typical Applications include:

Common mode chokes are often used in electrical, industrial and telecommunication applications to help reduce or remove noise and electromagnetic interference. They can be found in:

Data storage systems
Digital video camera
Industrial systems
Professional audio

1449 產品顯示為 Common Mode Chokes

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Wurth Elektronik 51 μH 200 mA Common Mode Choke 1Ω 60V RS庫存編號 899-7292P 製造零件編號 744235510 个 (以每卷裝提供) HK$12.30 數量	Wurth Elektronik	51 μH	WE-CNSW	3000 Ω	10 KHz	1Ω	200 mA	4.55 x 3.22 x 2.6mm	-40°C → +125°C	-	-	Surface Mount	60V	Surface Mount	1812 (4532M)
Wurth Elektronik 2 x 10 μH 1.6 A Common mode filter 2 x 0.08Ω 80V RS庫存編號 904-0408P 製造零件編號 744226S 个 (以每卷裝提供) HK$19.40 數量	Wurth Elektronik	2 x 10 μH	WE-SL2	-	1 KHz	2 x 0.08Ω	1.6 A	9.2 x 6 x 5mm	-40°C → +125°C	-	-	Surface Mount	80V	Surface Mount	-
Wurth Elektronik 166 nH Common mode filter RS庫存編號 248-8163P 製造零件編號 784231121 个 (以每卷裝提供) HK$6.22 數量	Wurth Elektronik	166 nH	WE-CNSA	120 Ω	-	-	-	-	-	-	-	-	-	-	-
Wurth Elektronik 2 x 51 μH 1 A Common mode filter 2 x 0.16Ω 80V RS庫存編號 904-0417P 製造零件編號 744227S 个 (以每卷裝提供) HK$17.90 數量	Wurth Elektronik	2 x 51 μH	WE-SL2	-	1 KHz	2 x 0.16Ω	1 A	9.2 x 6 x 5mm	-40°C → +125°C	-	-	Surface Mount	80V	Surface Mount	-
Wurth Elektronik 245 pH Common mode filter RS庫存編號 245-8572P 製造零件編號 748032455 个 (以每卷裝提供) HK$5.10 數量	Wurth Elektronik	245 pH	WE-CCMF	1.6 Ω	2450 - 5500 MHz	-	-	-	-	-	-	-	-	-	-
Murata Common Mode Choke 0.027Ω RS庫存編號 223-5051P 製造零件編號 DLW5ATH331MQ2L 个 (以每卷裝提供) HK$12.766 數量	Murata	-	DLW5ATH	330 Ω	100 MHz	0.027Ω	-	-	-	2	-	-	-	-	-
Wurth Elektronik 88 nH Common mode filter RS庫存編號 248-8158P 製造零件編號 784231061 个 (以每卷裝提供) HK$6.22 數量	Wurth Elektronik	88 nH	WE-CNSA	67 Ω	-	-	-	-	-	-	-	-	-	-	-
Murata Common Mode Choke RS庫存編號 260-7231P 製造零件編號 DLW21SH900HQ2L 个 (以每卷裝提供) HK$4.864 數量	Murata	-	DLW	90 Ω	100 MHz	-	-	-	-	-	-	-	-	-	-
Wurth Elektronik 478 nH Common mode filter RS庫存編號 248-8170P 製造零件編號 784231371 个 (以每卷裝提供) HK$6.22 數量	Wurth Elektronik	478 nH	WE-CNSA	370 Ω	-	-	-	-	-	-	-	-	-	-	-
Wurth Elektronik 2 x 700 μH 4 A Common Mode Choke 2 x 0.027Ω RS庫存編號 904-0401P 製造零件編號 74466240007 个 (以每盒裝提供) HK$36.30 數量	Wurth Elektronik	2 x 700 μH	WE-LF	27 mΩ	10 KHz	2 x 0.027Ω	4 A	18 (Dia.) x 13mm	-40°C → +125°C	-	-	Through Hole	-	-	-
Murata Common Mode Choke 4Ω RS庫存編號 223-5039P 製造零件編號 DLM0QSN900HY2D 个 (以每卷裝提供) HK$0.789 數量	Murata	-	DLM0Q	90 Ω	100 MHz	4Ω	-	-	-	2	-	-	-	-	-
Wurth Elektronik 330 μH 12 A Common Mode Choke 6mΩ RS庫存編號 168-3285P 製造零件編號 7448680120 个 (以每盘装提供) HK$56.30 數量	Wurth Elektronik	330 μH	WE-LPCC	-	50 Hz	6mΩ	12 A	27.5 x 25 x 12mm	-40°C → +115°C	2	-	Through Hole	-	Solder	-
KEMET 3 mH 2 A Common Mode Choke 85mΩ RS庫存編號 863-3857P 製造零件編號 SC-02-30G 个 (以每盒裝提供) HK$19.52 數量	KEMET	3 mH	SC-G	-	100 KHz	85mΩ	2 A	17.5 x 14 x 17.5mm	-25°C → +105°C	-	-	Through Hole	-	Solder Pad	-
Murata Common Mode Choke 1.2Ω RS庫存編號 223-5019P 製造零件編號 DLM0NSB120HY2D 个 (以每卷裝提供) HK$0.675 數量	Murata	-	DLM0NS	12 Ω	100 MHz	1.2Ω	-	-	-	2	-	-	-	-	-
Murata Common Mode Choke 1.9Ω RS庫存編號 223-5021P 製造零件編號 DLM0NSB280HY2D 个 (以每卷裝提供) HK$0.664 數量	Murata	-	DLM0NS	28 Ω	100 MHz	1.9Ω	-	-	-	2	-	-	-	-	-
Wurth Elektronik 252 nH Common mode filter RS庫存編號 248-8166P 製造零件編號 784231181 个 (以每卷裝提供) HK$6.22 數量	Wurth Elektronik	252 nH	WE-CNSA	180 Ω	-	-	-	-	-	-	-	-	-	-	-
Wurth Elektronik 131 nH Common mode filter RS庫存編號 248-8161P 製造零件編號 784231091 个 (以每卷裝提供) HK$6.22 數量	Wurth Elektronik	131 nH	WE-CNSA	90 Ω	-	-	-	-	-	-	-	-	-	-	-
RS PRO 1 mH 500 mA Common Mode Choke 250mΩ RS庫存編號 104-8400P 个 (以每卷裝提供) HK$20.58 數量		1 mH	CMJ	-	-	250mΩ	500 mA	7.6 x 5.8 x 4.3mm	0°C → +70°C	2	-	Surface Mount	-	Solder Pad	-
Design Kit SMD Common Mode Filters for D RS庫存編號 484-939 製造零件編號 744725 个 HK$18,027.33 數量	Wurth Elektronik	-	-	-	-	-	-	-	-	-	-	-	-	-	-
Abracon 100 μH Common Mode Choke RS庫存編號 245-0473P 製造零件編號 ACMS-Q6527E-101-T 个 (以每卷裝提供) HK$41.35 數量	Abracon	100 μH	ACMS	-	100 KHz	-	-	-	-	-	-	-	-	-	-