| Allicdata Part #: | 732-1030-2-ND |
| Manufacturer Part#: |
7440520039 |
| Price: | $ 0.75 |
| Product Category: | Inductors, Coils, Chokes |
| Manufacturer: | Wurth Electronics Inc. |
| Short Description: | FIXED IND 3.9UH 2A 55 MOHM SMD |
| More Detail: | 3.9µH Shielded Wirewound Inductor 2A 55 mOhm Max 2... |
| DataSheet: | 7440520039 Datasheet/PDF |
| Quantity: | 1000 |
| 500 +: | $ 0.67788 |
| DC Resistance (DCR): | 55 mOhm Max |
| Height - Seated (Max): | 0.079" (2.00mm) |
| Size / Dimension: | 0.228" L x 0.228" W (5.80mm x 5.80mm) |
| Supplier Device Package: | -- |
| Package / Case: | 2323 (5858 Metric) |
| Mounting Type: | Surface Mount |
| Inductance Frequency - Test: | 100kHz |
| Operating Temperature: | -40°C ~ 125°C |
| Ratings: | -- |
| Frequency - Self Resonant: | 60MHz |
| Q @ Freq: | -- |
| Series: | WE-TPC |
| Shielding: | Shielded |
| Current - Saturation: | 2.1A |
| Current Rating: | 2A |
| Tolerance: | ±30% |
| Inductance: | 3.9µH |
| Material - Core: | Ferrite |
| Type: | Wirewound |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
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Fixed inductors are passive electrical components that store energy in an electrical field created when a current flows through it. They are used in a variety of applications mostly in electronic circuits, where they act either as energy reservoirs, or impedance matching devices. An example of such an application is the 7440520039 inductor.
Application
The 7440520039 inductor is most commonly used in high power electronic circuits. It is often used in applications such as switching converters, RF amplifiers, low-noise amplifiers, and voltage-blocker circuits. It is also used in industrial systems such as power broadcasters for adaptive load-matching.
Working Principle
The working principle of the 7440520039 inductor is based on the principle of self-inductance. Self-inductance is a property of a component in which current flowing through the component generates an electrical field or interference with another portion of the component. This effect results in a change in the magnetic field generated by the component when current passes through it. This change in the magnetic field results in the inductor storing energy.
When a current passes through the 7440520039 inductor, it won’t allow the current to change instantly, but will try to maintain it at a constant rate. This is because the inductor attempts to maintain the magnetic field created when the current passed through. If the current is suddenly stopped, the inductor will discharge the stored energy, generating an opposing current in the opposite direction.
This property makes the 7440520039 inductor useful for storing and releasing energy in a slow, gradual fashion, making it ideal for applications such as those mentioned above. It also helps to reduce interference and noise in high power electronic circuits which may be prone to interference from changes in current.
Conclusion
The 7440520039 inductor is a powerful component which is used in a variety of applications. It is capable of maintaining a constant current with very little interference, and releasing stored energy in a gradual manner which makes it ideal for high power electronic circuits. As such, it is a valuable addition to any toolkit.
The specific data is subject to PDF, and the above content is for reference
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
| 74404032022 | Wurth Electr... | 0.43 $ | 4000 | FIXED IND 2.2UH 1.8A 50 M... |
| 74404086222 | Wurth Electr... | 0.43 $ | 700 | FIXED IND 2.2MH 310MA 5 O... |
| 74404064012 | Wurth Electr... | 0.48 $ | 1000 | FIXED IND 1.2UH 5.4A 10 M... |
| 7440430027 | Wurth Electr... | 0.75 $ | 1000 | FIXED IND 2.7UH 2.35A 30 ... |
| 74404054150 | Wurth Electr... | 0.48 $ | 3000 | FIXED IND 15UH 2A 86 MOHM... |
| 74404024150 | Wurth Electr... | 0.43 $ | 1000 | FIXED IND 15UH 470MA 830 ... |
| 7440690150 | Wurth Electr... | 0.82 $ | 1000 | FIXED IND 15UH 1.25A 200 ... |
| 74402500030 | Wurth Electr... | 0.82 $ | 1000 | FIXED IND 300NH 3.9A 18 M... |
| 74404043102A | Wurth Electr... | 0.22 $ | 3000 | FIXED IND 1MH 160MA 10.34... |
| 74404064220 | Wurth Electr... | 0.48 $ | 1500 | FIXED IND 22UH 1.8A 89 MO... |
| 744032100 | Wurth Electr... | 0.27 $ | 2000 | FIXED IND 10UH 320MA 650 ... |
| 74404084331 | Wurth Electr... | 0.6 $ | 1000 | FIXED IND 330UH 660MA 865... |
| 74404200056 | Wurth Electr... | 0.65 $ | 1000 | FIXED IND 560NH 3.1A 25 M... |
| 744053006 | Wurth Electr... | 0.62 $ | 400 | FIXED IND 6.2UH 2.2A 45 M... |
| 74405031022 | Wurth Electr... | 0.27 $ | 2000 | FIXED IND 2.2UH 1.75A 108... |
| 74406043470 | Wurth Electr... | 0.36 $ | 2000 | FIXED IND 47UH 970MA 260 ... |
| 744043101 | Wurth Electr... | 0.57 $ | 1000 | FIXED IND 100UH 510MA 600... |
| 744045008 | Wurth Electr... | 0.35 $ | 1000 | FIXED IND 8.2UH 1A 250 MO... |
| 744045006 | Wurth Electr... | 0.35 $ | 1000 | FIXED IND 6.8UH 1.1A 200 ... |
| 74408942068 | Wurth Electr... | 1.05 $ | 1000 | FIXED IND 6.8UH 1.45A 130... |
| 74404054047 | Wurth Electr... | 0.48 $ | 1500 | FIXED IND 4.7UH 3A 30 MOH... |
| 20-7440-10 | Aries Electr... | 6.54 $ | 1000 | CONN SOCKET SIP 20POS TIN |
| 74404064082 | Wurth Electr... | 0.48 $ | 1000 | FIXED IND 8.2UH 2.6A 43 M... |
| 74404042068 | Wurth Electr... | 0.43 $ | 1000 | FIXED IND 6.8UH 1.45A 98 ... |
| 744030001 | Wurth Electr... | 0.67 $ | 1000 | FIXED IND 1.2UH 1A 115 MO... |
| 7440690220 | Wurth Electr... | 0.82 $ | 1000 | FIXED IND 22UH 1A 310 MOH... |
| 74408942082 | Wurth Electr... | 1.05 $ | 1000 | FIXED IND 8.2UH 1.4A 134 ... |
| 74404064102 | Wurth Electr... | 0.48 $ | 6000 | FIXED IND 1MH 250MA 4.783... |
| 744016 | Wurth Electr... | 10.39 $ | 7 | ABC OF POWER MODULES AT A... |
| 744042180 | Wurth Electr... | 0.54 $ | 1000 | FIXED IND 18UH 920MA 280 ... |
| 74404054010 | Wurth Electr... | 0.48 $ | 1000 | FIXED IND 1UH 4.9A 12 MOH... |
| 74404064180 | Wurth Electr... | 0.48 $ | 1000 | FIXED IND 18UH 1.85A 81 M... |
| 74408942470 | Wurth Electr... | 1.05 $ | 1000 | FIXED IND 47UH 660MA 608 ... |
| 744053270 | Wurth Electr... | 0.62 $ | 1000 | FIXED IND 27UH 1.05A 160 ... |
| 74404084151 | Wurth Electr... | 0.6 $ | 1000 | FIXED IND 150UH 910MA 478... |
| 74404084681 | Wurth Electr... | 0.54 $ | 1000 | FIX IND 680UH 520MA 2.032... |
| 74408943330 | Wurth Electr... | 1.05 $ | 500 | FIXED IND 33UH 900MA 298 ... |
| 7440660035 | Wurth Electr... | 0.88 $ | 1000 | FIXED IND 3.5UH 5.8A 15 M... |
| 744032150 | Wurth Electr... | 0.27 $ | 1000 | FIXED IND 15UH 270MA 1 OH... |
| 74404084068 | Wurth Electr... | 0.54 $ | 1000 | FIXED IND 6.8UH 3.6A 24 M... |
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...
7440520039 Datasheet/PDF