| Allicdata Part #: | PLK1295-ND |
| Manufacturer Part#: |
ELF-21C004A |
| Price: | $ 2.02 |
| 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 1... |
| DataSheet: |  ELF-21C004A Datasheet/PDF |
| Quantity: | 348 |
| 1 +: | $ 1.83330 |
| 10 +: | $ 1.77660 |
| 25 +: | $ 1.30284 |
| 50 +: | $ 1.27323 |
| 100 +: | $ 1.24362 |
| 250 +: | $ 1.12518 |
| Voltage Rating - AC: | 250V |
| Package / Case: | Vertical, 4 PC Pin |
| Height (Max): | 0.689" (17.50mm) |
| Size / Dimension: | 0.846" L x 0.965" W (21.50mm x 24.50mm) |
| Mounting Type: | Through Hole |
| Features: | -- |
| Approvals: | -- |
| Ratings: | -- |
| Operating Temperature: | -20°C ~ 115°C |
| Series: | C |
| Voltage Rating - DC: | -- |
| DC Resistance (DCR) (Max): | 1.75 Ohm (Typ) |
| Current Rating (Max): | 400mA |
| Number of Lines: | 2 |
| Filter Type: | Power Line |
| Part Status: | Obsolete |
| Packaging: | Bulk |
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Common Mode Chokes are vital components used in electronic circuits, especially in power supply. ELF-21C004A is a important common mode chokes. It is an easy-to-mount component which provides excellent common-mode EMI suppression in a wide frequency range from 50 MHz to 8 GHz.
The operating principle of common mode chokes is that they rely on the core to shield the conductors that carry the same current, but in opposite directions, from each other. This conductor shielding will help to block out any interference which is caused by the current. ELF-21C004A is usually a three winding components, the two primary windings are responsible for create a circular magnetic field, while the third one winding is used to intercept the interference.
Meanwhile, ELF-21C004A has an excellent performance in common mode noise suppression. Because of its high-frequency characteristics and efficient noise suppression, it can work in a comprehensive environment with different temperature and frequencies. Moreover, the common mode chokes ELF-21C004A have advantages such as great heat dissipation, high current capability, fast response time and small size. Common mode chokes also has the ability to work long-term with efficiency in harsh environments.
ELF-21C004A is mostly used in the automotive, industrial, telecom and test and measurement market for suppressing common-mode noise. It is this kind of application that take advantage of ELF-21C004A\'s performance and features. This component could be used to build circuits for power supplies, noise filters, equalizers and so on. ELF-21C004A is also often employed in automotive system, such as radar, communication system, ECU, OBD system and multimedia systems.
In conclusion, ELF-21C004A is a reliable and effective common mode chokes, it has several advantages: high performance, easy-to-mount feature, efficient common-mode noise suppression and reliable service in harsh environment. It is widely used in automotive, industrial, telecom and test and measurement applications.
The specific data is subject to PDF, and the above content is for reference
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