Allicdata Part #: | 732-1220-2-ND |
Manufacturer Part#: |
74477003 |
Price: | $ 0.00 |
Product Category: | Inductors, Coils, Chokes |
Manufacturer: | Wurth Electronics Inc. |
Short Description: | FIXED IND 3.5UH 8.9A 14 MOHM SMD |
More Detail: | 3.5µH Shielded Wirewound Inductor 8.9A 14 mOhm Max... |
DataSheet: | 74477003 Datasheet/PDF |
Quantity: | 1000 |
DC Resistance (DCR): | 14 mOhm Max |
Height - Seated (Max): | 0.315" (8.00mm) |
Size / Dimension: | 0.472" L x 0.472" W (12.00mm x 12.00mm) |
Supplier Device Package: | -- |
Package / Case: | Nonstandard |
Mounting Type: | Surface Mount |
Inductance Frequency - Test: | 1kHz |
Operating Temperature: | -40°C ~ 125°C |
Ratings: | -- |
Frequency - Self Resonant: | 37.5MHz |
Q @ Freq: | -- |
Series: | WE-PD |
Shielding: | Shielded |
Current - Saturation: | 9.6A |
Current Rating: | 8.9A |
Tolerance: | -20%, +40% |
Inductance: | 3.5µH |
Material - Core: | Ferrite |
Type: | Wirewound |
Part Status: | Active |
Packaging: | Tape & Reel (TR) |
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Fixed inductors, as their name implies, are electronic devices which have a fixed inductance value and do not change with varying parameter such as voltage. The 74477003 model is a particular type of fixed inductor that is frequently used in both audio and power applications. This article will discuss the applications of the 74477003 and its working principle.
Applications of the 74477003
The 74477003 inductor is part of the Wide-Band Ferrite Bead family and is typically used to limit the high-frequency currents in audio and power lines, thus helping to reduce interference and improve signal integrity. Its high electrical resistance and low inductance make it ideal for use in such applications. For example, they are often used as part of DC power supplies, helping to provide regulated voltage and current for electronic circuits. They are also frequently used as low-pass filters in audio systems to reduce high-frequency interference, helping to ensure clean and accurate sound reproduction. Furthermore, they are used as parts of RF circuits, helping to control RF energy.
Working Principle of the 74477003
The 74477003 utilizes an inductance principle to operate. When a current runs through the inductor, it produces an electromagnetic field, and this field is used to limit the current flow. In practice, when an alternating current runs through the inductor, its impedance rises to levels much higher than that of a pure resistive load. This in turn limits the amount of current flow by reducing the voltage available to drive the current. As such, the 74477003 works by effectively reducing the amplitude of the alternating current, thus reducing its strength and improving the overall signal integrity.
Additionally, the inductor has a power rating, which is usually specified in watts. This is the maximum amount of power that can safely be applied to the inductor and its accessories. Exceeding this rating can cause the inductor to heat up, leading to reduced efficiency and possible damage to the components.
Conclusion
The 74477003 inductor is a useful part of a number of audio and power applications. Its ability to limit high-frequency currents is beneficial in terms of reducing interference and improving signal integrity. Its operating principle is based on the induction of an electromagnetic field, which then reduces the amplitude of the alternating current. Furthermore, the inductor must be operated within the specified power rating in order for it to operate optimally.
The specific data is subject to PDF, and the above content is for reference
Part Number | Manufacturer | Price | Quantity | Description |
---|
744741 | Wurth Electr... | 83.85 $ | 18 | RADIAL LEADED WIRE INDUCT... |
744786A | Wurth Electr... | 72.42 $ | 7 | MULTILAYER RF IND KIT 060... |
744784A | Wurth Electr... | 72.42 $ | 7 | MULTILAYER RF IND KIT 040... |
744743 | Wurth Electr... | 76.23 $ | 15 | RADIAL LEADED WIRE INDUCT... |
744705 | Wurth Electr... | 76.23 $ | 7 | TOROIDAL LINE CHOKES WE-F... |
744713 | Wurth Electr... | 76.23 $ | 5 | ROD CORE INDUCTORS WE-SDF... |
744765A | Wurth Electr... | 80.05 $ | 6 | SMD WIRE WOUND CERAMIC IN... |
744731 | Wurth Electr... | 99.62 $ | 10 | SHIELDED RADIAL LEADED WI... |
744762A/RFI | Wurth Electr... | 60.98 $ | 1 | FERRITE SMD INDUCTORS WE-... |
744790 | Wurth Electr... | 68.61 $ | 2 | SMD MULTILAYER INDUCTORS ... |
744762 | Wurth Electr... | 80.05 $ | 2 | SMD WIRE WOUND CERAMIC IN... |
744773 | Wurth Electr... | 80.05 $ | 1 | SMD POWER INDUCTORS WE-PD... |
744728 | Wurth Electr... | 84.24 $ | 4 | DESIGN KIT INDUCTORS FOR ... |
744720 | Wurth Electr... | 84.24 $ | 1 | KIT DESIGN FOR LINEAR TEC... |
744761 | Wurth Electr... | 87.67 $ | 5 | SMD WIRE WOUND CERAMIC IN... |
744775 | Wurth Electr... | 87.67 $ | 1 | SMD POWER INDUCTORS WE-PD... |
744770 | Wurth Electr... | 90.71 $ | 5 | KIT INDUCTOR PD SERIES LA... |
7447713 | Wurth Electr... | 99.62 $ | 2 | SMD POWER INDUCTORS WE-PD... |
744766 | Wurth Electr... | 60.98 $ | 2 | INDUCTORS WE-GFFixed Kit ... |
744785 | Wurth Electr... | 76.23 $ | 3 | MULTILAYER CERAMIC SMD IN... |
744722 | Wurth Electr... | 75.47 $ | 1000 | KIT INDUCTOR FOR MPSFixed... |
744724 | Wurth Electr... | 84.24 $ | 1000 | KIT DESIGN FOR NATIONAL R... |
744777 | Wurth Electr... | 90.71 $ | 1000 | KIT INDUCTOR PD SERIES ME... |
744778 | Wurth Electr... | 99.62 $ | 1000 | KIT INDUCTOR PD SERIES SM... |
744721 | Wurth Electr... | 106.72 $ | 1000 | KIT CHOKES FOR EXARFixed ... |
744732681 | Wurth Electr... | 0.71 $ | 1000 | FIXED IND 680UH 420MA 2.2... |
744732152 | Wurth Electr... | 0.71 $ | 1000 | FIXED IND 1.5MH 290MA 4.7... |
744773112 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 12UH 1.28A 210 ... |
744773118 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 18UH 1.1A 338 M... |
744773139 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 39UH 770MA 587 ... |
744773156 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 56UH 640MA 937 ... |
744773168 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 68UH 560MA 1.11... |
744773018 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 1.8UH 2.7A 64 M... |
744773056 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 5.6UH 1.58A 126... |
744773014 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 1.4UH 3.4A 56 M... |
744773027 | Wurth Electr... | -- | 1000 | FIXED IND 2.7UH 2.25A 79 ... |
744773039 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 3.9UH 1.88A 94 ... |
744773127 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 27UH 940MA 522 ... |
FIXED IND 10UH 590MA 350 MOHM10H Unshiel...
FIXED IND 22NH 1.4A 70 MOHM SMD22nH Unsh...
FIXED IND 13NH 600MA SMD13nH Unshielded ...
FIXED IND 680UH 210MA 4.6 OHM680H Unshie...
FIXED IND 470UH 1.3A 280 MOHM TH470H Uns...
FIXED IND 8.2UH 165MA 2.2 OHM TH8.2H Uns...