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
제품 비교 제품 세부 사항 단가 | 제조사 | Inductance | Series | Impedance | Test Frequency | DC Resistance | Maximum Current | Dimensions | Operating Temperature Range | Number of Lines | Automotive Standard | Mounting Type | Voltage Rating | Termination Style | Package/Case |
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개당가격(1500개가 1릴안에) ₩725.68 | Bourns | 1 mH | DR331 | - | 100 KHz | 0.40Ω | 0.5 A | 7.3 x 5.4 x 4.7mm | -40°C → +135°C | - | - | Axial | - | Solder Pad | - | ||||
개당가격(5개가 1봉지안에) ₩1,131.76 | Bourns | 1 mH | DR331 | - | 100 KHz | 0.40Ω | 0.5 A | 7.3 x 5.4 x 4.7mm | -40°C → +135°C | - | - | Axial | - | Solder Pad | - | ||||
Bourns | 2 mH | PM3700 | - | 300 KHz → 20 MHz | 0.030Ω | 3.5 A | 17.78 (Dia.) x 11.43mm | -55°C → +125°C | - | - | Surface Mount | - | Solder Pad | 3700 | |||||
개당가격(48개가 1트레이안에) ₩6,542.40 | Bourns | 2 x 1.8 mH | 04770 | - | - | 0.008Ω | 13 | - | - | - | - | - | - | - | - | ||||
개당가격(250개가 1트레이안에) ₩1,900.68 | Bourns | 2 x 22 mH | 0719 | - | 50 Hz | 3Ω | 280 mA | - | - | - | - | - | 85 → 265V | - | - | ||||
개당가격(10개가 1팩안에) ₩1,206.96 | Bourns | 50 μH | DR221 | - | 150 MHz | 0.32Ω | 200 mA | 5 x 3.3 x 3.3mm | -40°C → +125°C | - | - | Axial | - | Solder Pad | - | ||||
Bourns | 2 x 1.8 mH | 04770 | - | - | 0.008Ω | 13 | - | - | - | - | - | - | - | - | |||||
Bourns | 2 x 27 mH | 0932 | - | 50 Hz | 2Ω | 500 mA | - | - | - | - | - | 85 → 265V | - | - | |||||
개당가격(2000개가 1릴안에) ₩470.00 | Bourns | 11 μH | SRF3225TAC | 550 Ω | 100 kHz | 0.4Ω | - | - | - | - | - | - | - | - | - | ||||
Bourns | 7 μH | SRF7035A | 700 Ω | 100 MHz | - | - | - | - | - | - | - | - | - | - | |||||
개당가격(2000개가 1릴안에) ₩481.28 | Bourns | 100 μH | SRF3225TAC | 5.1 kΩ | 100 kHz | 1.5Ω | - | - | - | - | - | - | - | - | - | ||||
개당가격(5개가 1봉지안에) ₩1,458.88 | Bourns | 470 μH | DR331 | - | 100 KHz | 0.28Ω | 0.5 A | 7.3 x 5.4 x 4.7mm | -40°C → +135°C | - | - | Axial | - | Solder Pad | - | ||||
개당가격(5개가 1봉지안에) ₩1,289.68 | Bourns | 4.7 mH | DR331 | - | 100 KHz | 0.70Ω | 0.2 A | 7.3 x 5.4 x 4.7mm | -40°C → +135°C | - | - | Axial | - | Solder Pad | - | ||||
개당가격(10개가 1테이프안에) ₩753.88 | Bourns | 22 μH | SRF3225TAC | 1.1 kΩ | 100 kHz | 0.5Ω | - | - | - | - | - | - | - | - | - | ||||
Bourns | 22.6 μH | SRF7035A | 3000 Ω | 100 MHz | - | - | - | - | - | - | - | - | - | - | |||||
Bourns | 200 μH | SRF3225TABM | 10 kΩ | 100 kHz | 5.5Ω | - | - | - | - | - | - | - | - | - | |||||
개당가격(10개가 1테이프안에) ₩783.96 | Bourns | 22 μH | SRF4530A | 1.2 kΩ | 100 kHz | 0.6Ω | 0.31 A | 4.5 x 3.2mm | -55°C → +150°C | - | AEC-Q200 | Surface Mount | - | Surface Mount | - | ||||
개당가격(3개가 1봉지안에) ₩4,154.80 | Bourns | 1 mH | PM3700 | - | 500 KHz → 40 MHz | 20mΩ | 4 A | 21.6 x 11.43mm | -55°C → +125°C | - | - | Surface Mount | - | Solder Pad | 3700 | ||||
개당가격(48개가 1트레이안에) ₩6,675.88 | Bourns | 2 x 2.2 mH | 04770 | - | - | 0.0092Ω | 12 | - | - | - | - | - | - | - | - | ||||
개당가격(500개가 1릴안에) ₩590.32 | Bourns | 200 μH | SRF4530AG | 11 kΩ | 100 kHz | 4.5Ω | 0.1 A | 4.5 x 3.2mm | -55°C → +150°C | - | AEC-Q200 | Surface Mount | - | Surface Mount | - | ||||