Allicdata Part #: | PM20S-4R7K-ND |
Manufacturer Part#: |
PM20S-4R7K |
Price: | $ 0.00 |
Product Category: | Inductors, Coils, Chokes |
Manufacturer: | Bourns Inc. |
Short Description: | FIXED IND 4.7UH 220MA 1.25 OHM |
More Detail: | 4.7µH Shielded Molded Inductor 220mA 1.25 Ohm Max ... |
DataSheet: | PM20S-4R7K Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Specifications
DC Resistance (DCR): | 1.25 Ohm Max |
Height - Seated (Max): | 0.087" (2.20mm) |
Size / Dimension: | 0.126" L x 0.098" W (3.20mm x 2.50mm) |
Supplier Device Package: | 1210 |
Package / Case: | 1210 (3225 Metric) |
Mounting Type: | Surface Mount |
Inductance Frequency - Test: | 7.96MHz |
Operating Temperature: | -55°C ~ 125°C |
Ratings: | -- |
Frequency - Self Resonant: | 52MHz |
Q @ Freq: | 30 @ 7.96MHz |
Series: | PM20S |
Shielding: | Shielded |
Current - Saturation: | -- |
Current Rating: | 220mA |
Tolerance: | ±10% |
Inductance: | 4.7µH |
Material - Core: | Ferrite |
Type: | Molded |
Part Status: | Obsolete |
Packaging: | Tape & Reel (TR) |
Description
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Fixed inductors, such as the PM20S-4R7K, are components designed to store electrical energy in the form of a magnetic field when energy is supplied to it. It consists of an inductive coil, wound around a core made of a ferromagnetic material such as steel or iron. The cores hold the coil in place and are designed to allow the magnetic field to be contained within them. The shape of the inductor is usually cylindrical and the cores can be made of a variety of materials and configurations.The PM20S-4R7K inductor is a very common type and can be used in a variety of applications. It is suitable for high frequency switching applications such as power supplies. It can also be used in automotive, telecommunication, industrial automation and many other applications.The PM20S-4R7K inductor works through the principle of Faraday\'s law. When a current is passed through the coil, it creates a an opposing B-field. This opposing B-field opposes the current and creates a counter electromotive force (EMF) that acts against the original voltage applied to the coil. From this, it can be said that the electrical energy which is supplied to the resistor is converted and stored in the form of a magnetic field. This stored energy is then released and the current flows through the coil and back to the source.Because of the opposition created by the B-field, the efficiency of the PM20S-4R7K inductor is much higher than that of resistors. In addition, the current resistance is also higher and the inductor can handle more power than a resistor. This makes them ideal for power supplies and high frequency applications.The PM20S-4R7K inductor is also capable of providing a stable current, even when the frequency of the input voltage varies. This is because the time for the magnetic field to be created and released to the coil is a constant, irrespective of the frequency of the input voltage. This makes it very reliable for applications that require accuracy and stability.The PM20S-4R7K inductor also has a very low DC resistance, making it suitable for high frequency electronic circuits. This low resistance ensures that the voltage drop is minimal and the circuit does not suffer from useless losses.In conclusion, the PM20S-4R7K inductor is a versatile component which can be used in a variety of applications. It works on the principle of Faraday\'s law and is capable of providing efficient energy storage and transfer. It also has a very low DC resistance, making it suitable for high frequency electronic circuits.The specific data is subject to PDF, and the above content is for reference
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