| Allicdata Part #: | PLK1309-ND |
| Manufacturer Part#: |
ELF-25C025A |
| Price: | $ 2.42 |
| Product Category: | Filters |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | COMMON MODE CHOKE 2.5A 2LN TH |
| More Detail: | 2 Line Common Mode Choke Through Hole 2.5A DCR 80... |
| DataSheet: |  ELF-25C025A Datasheet/PDF |
| Quantity: | 10 |
| 1 +: | $ 2.19240 |
| 10 +: | $ 1.82700 |
| Voltage Rating - AC: | 250V |
| Package / Case: | Vertical, 4 PC Pin |
| Height (Max): | 0.827" (21.00mm) |
| Size / Dimension: | 1.004" L x 0.984" W (25.50mm x 25.00mm) |
| Mounting Type: | Through Hole |
| Features: | -- |
| Approvals: | -- |
| Ratings: | -- |
| Operating Temperature: | -20°C ~ 115°C |
| Series: | C |
| Voltage Rating - DC: | -- |
| DC Resistance (DCR) (Max): | 80 mOhm (Typ) |
| Current Rating (Max): | 2.5A |
| Number of Lines: | 2 |
| Filter Type: | Power Line |
| Part Status: | Obsolete |
| Packaging: | Bulk |
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Common Mode Chokes
Common mode chokes are devices that are used for the purpose of suppressing or eliminating the flow of common mode currents in electrical devices. An example of a commonly used device for this purpose is the ELF-25C025A. This device is used in applications such as data communication, audio, and video products.
ELF-25C025A Application Field
The ELF-25C025A is designed to eliminate common mode noise generated by high-speed digital interfaces. This device is particularly suited for the noise reduction requirements of devices such as personal computers, laptops, mobile phones, networks, and automotive systems. Moreover, it is also used in audio and video products, where it provides effective noise suppression.
This device is typically applied for the prevention of common mode noise that is generated in twisted-pair cables. This is because twisted-pair cables are prone to generate floating electromagnetic fields, known as common mode currents. By applying the ELF-25C025A in these cables, the noise generated by these currents can be effectively eliminated.
ELF-25C025A Working Principle
The ELF-25C025A is a ferrite core common mode choke. It is composed of two identical windings on each of its two lobes. Each winding consists of a high-frequency impedance material. When a differential signal is applied to the device, the two windings induce opposite currents into the high-frequency impedance material. This creates a magnetic field which opposes the common mode current, thus suppressing or eliminating its flow.
The device also contains a common mode capacitor, which is used to further reduce common mode noise. This capacitor is designed to provide a low pass filter, which blocks high-frequency noise. By combining both the choke and the capacitor, the ELF-25C025A is able to provide efficient noise suppression.
Conclusion
The ELF-25C025A is a specialized device that is designed to suppress or eliminate common mode currents. It is most commonly used in applications such as data communication, audio, and video products. The device is composed of two identical windings on each of its two lobes, with each winding consisting of a high-frequency impedance material. By combining this impedance material with a common mode capacitor, the device is able to provide efficient noise suppression.
The specific data is subject to PDF, and the above content is for reference
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