| Allicdata Part #: | 495-2737-ND |
| Manufacturer Part#: |
B82721K2401N021 |
| Price: | $ 1.81 |
| Product Category: | Filters |
| Manufacturer: | EPCOS (TDK) |
| Short Description: | CMC 27MH 400MA 2LN TH |
| More Detail: | 27mH @ 10kHz 2 Line Common Mode Choke Through Hole... |
| DataSheet: |  B82721K2401N021 Datasheet/PDF |
| Quantity: | 438 |
| 1 +: | $ 1.65060 |
| 10 +: | $ 1.52208 |
| 100 +: | $ 1.06527 |
| 720 +: | $ 0.86237 |
| 1440 +: | $ 0.78628 |
| 2880 +: | $ 0.76091 |
Specifications
| Voltage Rating - AC: | 250V |
| Package / Case: | Vertical, 4 PC Pin |
| Height (Max): | 0.823" (20.90mm) |
| Size / Dimension: | 0.717" L x 0.520" W (18.20mm x 13.20mm) |
| Mounting Type: | Through Hole |
| Features: | -- |
| Approvals: | ENEC, UR, VDE |
| Ratings: | -- |
| Operating Temperature: | -40°C ~ 125°C |
| Series: | B82721 |
| Voltage Rating - DC: | -- |
| DC Resistance (DCR) (Max): | 1.7 Ohm (Typ) |
| Current Rating (Max): | 400mA |
| Inductance @ Frequency: | 27mH @ 10kHz |
| Number of Lines: | 2 |
| Filter Type: | Power Line |
| Part Status: | Active |
| Packaging: | Tray |
Description
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Common mode chokes are usually used as magnetic components in power electronic circuits, with the purpose of preventing the exchange of high frequency electrical energy between circuits by creating a path of high inductance. The B82721K2401N021 is a common mode choke in particular. This type of choke is mainly used in mains-connected applications in order to reduce EMI, along with other applications such as noise reduction in data cables. It is specifically designed with a high leakage inductance to prevent core saturation.The B82721K2401N021 is a surface-mounted common mode choke (SMCC) for use in board level applications. It is equipped with 2 core sections with a single winding per section, and is characterized with high current overload and high thermal features. Its basic physical properties include a rated power of 2.1W, a rated current of 4A, an impedance frequency range from 15.7 kHz to 280 kHz, a leakage inductance of 2.12 mH max, and a capacitance of 0.27nF max. The design of the B82721K2401N021 allows it to work as a three-dimensional electromagnetic shielding element. With this design, the current is split into two parts and back-coupled using the field generated by the back-coupling. This back-coupling leads to a significantly reduced electrical interference and better performance in terms of EMI emissions.Apart from this, the B82721K2401N021 also features high levels of reliability thanks to its high-temperature performance, its high overload capability, along with its robust insulation system which allows it to withstand high voltage levels for quite some time in harsh environments. This makes it ideal for industrial applications and power supply lines which carry a lot of noise. At the core level, the B82721K2401N021’s design also provides its exceptional performance features for a small size. Its two inner cores are secured against each other by an insulating jacket and its magnetic properties are achieved via a special winding. This winding is composed of high-grade wires which help to reduce the risk of EMI, while the insulating material used for the jacket helps reduce the contact resistance and provides better integration into printed-circuit-boards. In conclusion, the B82721K2401N021 is a reliable and convenient device for EMI reduction. It features high levels of overload capability, high temperatures resistance, and a robust insulation system, all in a robust design. It is particularly useful for applications where noise reduction is necessary or where high power levels exist.
The specific data is subject to PDF, and the above content is for reference
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