| Allicdata Part #: | 732-4027-2-ND |
| Manufacturer Part#: |
744771239 |
| Price: | $ 0.90 |
| Product Category: | Inductors, Coils, Chokes |
| Manufacturer: | Wurth Electronics Inc. |
| Short Description: | FIXED IND 390UH 680MA 690 MOHM |
| More Detail: | 390µH Shielded Wirewound Inductor 680mA 690 mOhm M... |
| DataSheet: | 744771239 Datasheet/PDF |
| Quantity: | 1000 |
| 500 +: | $ 0.81900 |
| DC Resistance (DCR): | 690 mOhm Max |
| Height - Seated (Max): | 0.236" (6.00mm) |
| 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: | 2.8MHz |
| Q @ Freq: | -- |
| Series: | WE-PD |
| Shielding: | Shielded |
| Current - Saturation: | 850mA |
| Current Rating: | 680mA |
| Tolerance: | ±20% |
| Inductance: | 390µH |
| Material - Core: | Ferrite |
| Type: | Wirewound |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
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Fixed inductors serve as components used in a variety of electrical appliances. They are mainly used for inductive reactance, resonance, energy storage and harmonic filtering. The 744771239 fixed inductor is one type of this component and is designed for applications such as low-medium power transformers. This article provides an overview of its application field and working principle.
744771239 fixed inductors are commonly used in power-supply applications, such as SMPS circuits, DC-DC converters, and energy storage and feedback applications. As the name suggests, this type of inductor is unable to provide variable inductance, and it can only provide a fixed, predetermined capacitance.
744771239 fixed inductors are constructed from high-purity ferrite core materials, which can support higher-power applications and provide greater efficiency. This type of inductor is a key component in many synchronous and asynchronous switching power supplies, as they are able to filter high-frequency noise that can cause interference with sensitive analog signals. Additionally, this type of inductor is able to reduce the size and weight of the circuit board, while maintaining proper current and voltage levels.
The working principle of the 744771239 fixed inductor is relatively simple. When a current carrying conductor is exposed to a magnetic field, a force is created that causes the conductor to be pulled in a circular path. The circular motion of the conductor induces a voltage in its surroundings, which is called an induction voltage. As the current flows through the inductor, the magnitude of the magnetic field increases, causing the induction voltage to increase accordingly. This type of inductor is commonly used in SMPS designs to store energy and filter out high-frequency noise.
In conclusion, the 744771239 fixed inductor is a robust component that can be used in a variety of electrical applications. It is capable of filtering out high-frequency noise, reducing the size and weight of the circuit board, and providing greater efficiency. In addition, this type of inductor is simple to use and can be easily installed into circuit boards. With its numerous uses and benefits, it is easy to see why this type of inductor is becoming increasingly popular across a variety of industries.
The specific data is subject to PDF, and the above content is for reference
| Part Number | Manufacturer | Price | Quantity | Description |
|---|
| 7447789003 | Wurth Electr... | 1.08 $ | 3000 | FIXED IND 3.3UH 3.42A 30 ... |
| 7447669118 | Wurth Electr... | 0.16 $ | 1000 | FIXED IND 18UH 700MA 680 ... |
| 74479762122 | Wurth Electr... | 0.18 $ | 1000 | FIXED IND 220NH 1.2A 120 ... |
| 7447745039 | Wurth Electr... | 0.78 $ | 1000 | FIXED IND 3.9UH 2.8A 54 M... |
| 744771220 | Wurth Electr... | 0.9 $ | 500 | FIXED IND 220UH 960MA 400... |
| 744772681 | Wurth Electr... | 0.67 $ | 114 | FIXED IND 680UH 350MA 1.4... |
| 744786118A | Wurth Electr... | 0.04 $ | 4000 | FIXED IND 18NH 400MA 550 ... |
| 744711005 | Wurth Electr... | 1.27 $ | 257 | FIXED IND 10UH 5A 15.1 MO... |
| 744775033A | Wurth Electr... | 1.03 $ | 1000 | FIXED IND 3.3UH 4.6A 20 M... |
| 744773147 | Wurth Electr... | 0.75 $ | 1500 | FIXED IND 47UH 680MA 844 ... |
| 744786027A | Wurth Electr... | 0.04 $ | 8000 | FIXED IND 2.7NH 600MA 120... |
| 744775147 | Wurth Electr... | 1.03 $ | 500 | FIXED IND 47UH 1.17A 180 ... |
| 744776127 | Wurth Electr... | 1.11 $ | 1000 | FIXED IND 27UH 1.95A 110 ... |
| 744776282 | Wurth Electr... | -- | 1000 | FIXED IND 820UH 320MA 2.5... |
| 24-74474 | Interlink El... | 11.21 $ | 1000 | GRAY BUTTON MOUSE KEYPAD |
| 7447221681 | Wurth Electr... | 1.24 $ | 1090 | FIXED IND 680UH 900MA 670... |
| 7447732210 | Wurth Electr... | 0.42 $ | 3000 | FIXED IND 100UH 240MA 2.8... |
| 744774112 | Wurth Electr... | 0.78 $ | 1000 | FIXED IND 12UH 2A 110 MOH... |
| 7447709221 | Wurth Electr... | -- | 1500 | FIXED IND 220UH 1.8A 300 ... |
| 744775247 | Wurth Electr... | -- | 500 | FIXED IND 470UH 360MA 1.9... |
| 744778510 | Wurth Electr... | -- | 1000 | FIXED IND 10UH 1.9A 125 M... |
| 744762318A | Wurth Electr... | 0.2 $ | 1000 | FIXED IND 1.8UH 210MA 2.2... |
| 7447715002 | Wurth Electr... | 0.9 $ | 1000 | FIXED IND 2.5UH 6.8A 11 M... |
| 7447211681 | Wurth Electr... | 1.02 $ | 1000 | FIXED IND 680UH 830MA 760... |
| 744770115 | Wurth Electr... | -- | 6500 | FIXED IND 15UH 5A 27 MOHM... |
| 744765068A | Wurth Electr... | 0.18 $ | 9000 | FIXED IND 6.8NH 680MA 83 ... |
| 7447779002 | Wurth Electr... | 1.08 $ | 1000 | FIXED IND 2.2UH 4.2A 20 M... |
| 744760222C | Wurth Electr... | -- | 1000 | FIXED IND 220NH 400MA 1 O... |
| 744774115 | Wurth Electr... | 0.78 $ | 1000 | FIXED IND 15UH 1.53A 140 ... |
| 7447789182 | Wurth Electr... | 1.08 $ | 1000 | FIXED IND 82UH 690MA 690 ... |
| 7447789270 | Wurth Electr... | 1.08 $ | 1000 | FIXED IND 270UH 400MA 2.3... |
| 744762168A | Wurth Electr... | 0.2 $ | 1000 | FIXED IND 68NH 1A 150 MOH... |
| 7447669039 | Wurth Electr... | 0.16 $ | 500 | FIXED IND 3.9UH 1.25A 215... |
| 7447721047 | Wurth Electr... | 0.67 $ | 138 | FIXED IND 4.7MH 200MA 15 ... |
| 7447720122 | Wurth Electr... | 0.67 $ | 97 | FIXED IND 1.2MH 360MA 2.6... |
| 7447789156 | Wurth Electr... | 1.08 $ | 1000 | FIXED IND 56UH 840MA 470 ... |
| 7447669122 | Wurth Electr... | 0.16 $ | 1000 | FIXED IND 22UH 650MA 790 ... |
| 74476014C | Wurth Electr... | 0.16 $ | 1000 | FIXED IND 47NH 500MA 310 ... |
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...
744771239 Datasheet/PDF