Allicdata Part #: | 553-2185-ND |
Manufacturer Part#: |
PA2747NL |
Price: | $ 1.37 |
Product Category: | Filters |
Manufacturer: | Pulse Electronics Power |
Short Description: | COMMON MODE CHOKE 7A 2LN SMD |
More Detail: | 2 Line Common Mode Choke Surface Mount 7A DCR 2.9... |
DataSheet: | PA2747NL Datasheet/PDF |
Quantity: | 217 |
1 +: | $ 1.24740 |
10 +: | $ 1.15101 |
100 +: | $ 0.80571 |
500 +: | $ 0.65224 |
1000 +: | $ 0.59469 |
2500 +: | $ 0.57551 |
Voltage Rating - AC: | -- |
Package / Case: | Horizontal, 4 PC Pad |
Height (Max): | 0.220" (5.60mm) |
Size / Dimension: | 0.508" L x 0.500" W (12.90mm x 12.70mm) |
Mounting Type: | Surface Mount |
Features: | -- |
Approvals: | -- |
Ratings: | -- |
Operating Temperature: | -40°C ~ 130°C |
Series: | -- |
Voltage Rating - DC: | -- |
DC Resistance (DCR) (Max): | 2.9 mOhm |
Current Rating (Max): | 7A |
Number of Lines: | 2 |
Filter Type: | -- |
Part Status: | Active |
Packaging: | Tube |
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Common Mode Chokes are a type of electrical component which is designed to filter out electrical noise generated from mutual inductance found between two or more lines. PA2747NL is a special common mode choke which has four cores, a built-in ground avoidance structure, and is designed to be used with high-ohm impedances. This article will explain the application field and working principle of this component.
ApplicationsPA2747NL common mode chokes are used in a wide range of scenarios, ranging from industrial fields to the home. They can help reduce the amount of EMI (electromagnetic interference) generated from various types of motors, such as stepper motors, DC motors, and AC motors. They can also be used to shield sensitive components, such as sensitive audio and video equipment, from the effects of induced electrical noise. The high-ohm impedance of PA2747NL makes it well-suited to applications in which noise can be generated without amplifying or otherwise exacerbating it. Finally, PA2747NL can be used to reduce the amount of noise generated by signal traces on printed circuit boards (PCBs).
Working PrincipleAt the heart of PA2747NL is a four-core design which is used to provide the necessary shielding from EMI noise generated by other sources. The four cores are arranged in a bridge formation, with the secondary cores connected to the ground. This configuration ensures that the induction of electric current is balanced between the two cores, while the path of current flow is blocked by the grounded core. In addition, the PA2747NL incorporates a built-in ground avoidance structure which helps to maintain a low ground impedance.
PA2747NL also uses inductive reactance to filter out AC noise. When AC noise is induced on one of the cores, the other cores are connected to the ground to form a loop for the current to flow. Due to the inductive reactance of the other cores, the AC voltage is reduced. This reduction in voltage helps to limit the noise generated by the component and ensure its proper operation.
ConclusionThe PA2747NL is a special common mode choke with four cores and a built-in ground avoidance structure. This component is designed to reduce the amount of induced electrical noise generated in a variety of scenarios. Thanks to its high-ohm impedance, PA2747NL can be used in applications where noise can be generated without amplifying or otherwise exacerbating it. Finally, its four-core design and built-in ground avoidance structure ensure that it is able to effectively reduce EMI noise.
The specific data is subject to PDF, and the above content is for reference
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