744917172 Inductors, Coils, Chokes |
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Allicdata Part #: | 732-11289-2-ND |
Manufacturer Part#: |
744917172 |
Price: | $ 0.32 |
Product Category: | Inductors, Coils, Chokes |
Manufacturer: | Wurth Electronics Inc. |
Short Description: | FIXED IND 72NH 550MA 420 MOHM |
More Detail: | 72nH Unshielded Wirewound Inductor 550mA 420 mOhm ... |
DataSheet: | 744917172 Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.28728 |
Specifications
DC Resistance (DCR): | 420 mOhm Max |
Height - Seated (Max): | 0.043" (1.10mm) |
Size / Dimension: | 0.067" L x 0.043" W (1.70mm x 1.10mm) |
Supplier Device Package: | SMD |
Package / Case: | Nonstandard |
Mounting Type: | Surface Mount |
Inductance Frequency - Test: | 150MHz |
Operating Temperature: | -40°C ~ 125°C |
Ratings: | -- |
Frequency - Self Resonant: | 1.9GHz |
Q @ Freq: | 37 @ 250MHz |
Series: | WE-KI HC |
Shielding: | Unshielded |
Current - Saturation: | -- |
Current Rating: | 550mA |
Tolerance: | ±2% |
Inductance: | 72nH |
Material - Core: | Ceramic |
Type: | Wirewound |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
Description
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Fixed Inductors
Inductors, also known as coils, chokes or reactors, are passive electrical components which introduce inductance into an electronic circuit. Inductance is an effect caused by the flow of current through a conductor, and relates to the amount of electrical energy stored in a magnetic field resulting from the current flow. Fixed inductors, such as the 744917172, are typically used for functions such as filtering, buffering and voltage dividing, and are commonly found in power supplies, amplifiers and other analog circuits.The 744917172 is a fixed inductor which is designed to provide a specific impedance within a certain frequency range, usually in the audio range. It typically consists of a coil and a core, with the length of copper wire forming the coil determined by the amount of inductance required. The core typically consists of a material such as ferrite, powdered iron, laminated iron or molybdenum-oxide, which can also be magnetically saturated for increased inductance. The 744917172 is an axial type inductor, meaning that the core and coil are essentially arranged in a "tube", connected by two wires at either end.The inductance of a fixed inductor is determined by the core material, the number of windings of the coil, and its overall size. The 744917172 has a typical inductance of 4.0 µH (4 microhenries), with an operating frequency range of 1MHz to 20MHz. The inductance is relatively stable over this frequency range, meaning that its impedance is also relatively stable, allowing it to be used in a variety of applications. The 744917172 also has a current rating of 1.0 A (1 amp) maximum, and a low DC resistance of 5.6Ω (5.6 ohms), meaning that it is suitable for use in high current, low voltage applications.In most applications, the 744917172 is used as a filter, buffering a signal or providing a wired voltage division between two points. It can also be used in power supply circuits as a voltage regulator or to eliminate noise and ripple. The 744917172 is commonly used in audio circuitry and is particularly useful for filtering imbalanced input signals in operational amplifiers and compensating audio subsystems.Fixed inductors can also be used in a variety of other applications. For example, the 744917172 can be used in motor driver circuits to provide a constant speed, in switching power supplies for voltage regulation, in ignition systems for spark energy, and in robotics applications for motion control.In conclusion, the 744917172 is a fixed inductor which is commonly used for a variety of applications. It provides a relatively stable inductance which is suitable for use in a wide range of applications, from audio circuitry and voltage regulation, to motor driver circuits and robotics.The specific data is subject to PDF, and the above content is for reference
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