| Allicdata Part #: | PLK1182-ND |
| Manufacturer Part#: |
ELF-19N004A |
| Price: | $ 1.44 |
| Product Category: | Filters |
| Manufacturer: | Panasonic Electronic Components |
| Short Description: | COMMON MODE CHOKE 400MA 2LN TH |
| More Detail: | 2 Line Common Mode Choke Through Hole 400mA DCR 2... |
| DataSheet: |  ELF-19N004A Datasheet/PDF |
| Quantity: | 451 |
| 1 +: | $ 1.31040 |
| 10 +: | $ 1.26630 |
| 25 +: | $ 0.92862 |
| 50 +: | $ 0.90758 |
| 100 +: | $ 0.88641 |
| 250 +: | $ 0.80199 |
| Voltage Rating - AC: | -- |
| Package / Case: | Vertical, 4 PC Pin |
| Height (Max): | 1.083" (27.50mm) |
| Size / Dimension: | 0.709" L x 1.083" W (18.00mm x 27.50mm) |
| Mounting Type: | Through Hole |
| Features: | -- |
| Approvals: | -- |
| Ratings: | -- |
| Operating Temperature: | -- |
| Series: | N |
| Voltage Rating - DC: | -- |
| DC Resistance (DCR) (Max): | 2.72 Ohm (Typ) |
| Current Rating (Max): | 400mA |
| Number of Lines: | 2 |
| Filter Type: | -- |
| Part Status: | Obsolete |
| Packaging: | Bulk |
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Common Mode Chokes, also referred to as EMC filters, are devices used to reduce EMI or Electro Magnetic Interference. EMI is a disturbance generated by high frequency currents that go through electric motors, electric signal and current transformers. The EMI generated by these kinds of machinery can be damaging to electronic equipment and control systems.
ELF-19N004A is an example of a common mode choke. It is a 2-line common mode inductor that can be used for high frequency signal line EMI filtering. The device is rated for through hole mounting, with a standard inductance value of 19 nH and a maximum rated current of 4A.
The ELF-19N004A is mainly used in the fields of automotive devices, LCD televisions and power supplies. Its main function is to reduce and filter out the radiated EMI between the signal line and Digital Ground line. Its working principle is to form a series connection of the two lines to block EMI transmission while using an inductive core to cause an impedance mismatch between the two lines, resulting in the EMI wave being absorbed.
In automotive applications, ELF-19N004A can be used to filter out high frequency disturbances generated by High Speed CAN, LIN, I2C, and other communication protocols. It can also be used for filter out EMI of ECU, power system, motor, and transmission system. And in applications in LCD TVs, it can be used to prevent the interference of high-frequency circuit into receiver which may cause noise or dizzy. In power supply, ELF-19N004A can be used to filter out EMI of the power supply or of other equipment that may have an effect on the power supply.
The ELF-19N004A can also be used in other signal lines or power lines to reduce the EMI present and thus ensure the normal operation of the device. For example, ELF-19N004A can be used in the control and signal lines between control devices and actuators in industrial automation systems for filtering out EMI.
The ELF-19N004A is a useful invention for reducing EMI and ensuring stable operation of electronic equipment and systems. With its flexibility across different applications, it is well-suited for a variety of industries from automobile, LCD TV, and power supply to other fields.
The specific data is subject to PDF, and the above content is for reference
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