| Allicdata Part #: | 811-2557-2-ND |
| Manufacturer Part#: |
39H402C |
| Price: | $ 0.82 |
| Product Category: | Inductors, Coils, Chokes |
| Manufacturer: | Murata Power Solutions Inc. |
| Short Description: | FIXED IND 4UH 9.7A 8 MOHM SMD |
| More Detail: | 4µH Unshielded Wirewound Inductor 9.7A 8 mOhm Max ... |
| DataSheet: | 39H402C Datasheet/PDF |
| Quantity: | 1100 |
| 550 +: | $ 0.74574 |
| DC Resistance (DCR): | 8 mOhm Max |
| Height - Seated (Max): | 0.228" (5.80mm) |
| Size / Dimension: | 0.508" L x 0.508" W (12.90mm x 12.90mm) |
| Supplier Device Package: | -- |
| Package / Case: | Nonstandard |
| Mounting Type: | Surface Mount |
| Inductance Frequency - Test: | 100kHz |
| Operating Temperature: | -40°C ~ 125°C |
| Ratings: | -- |
| Frequency - Self Resonant: | -- |
| Q @ Freq: | -- |
| Series: | 3900 |
| Shielding: | Unshielded |
| Current - Saturation: | 10.3A |
| Current Rating: | 9.7A |
| Tolerance: | ±20% |
| Inductance: | 4µH |
| Material - Core: | -- |
| Type: | Wirewound |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
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Fixed inductors are electronic components used in electric circuits to store electric energy. The 39H402C is a type of fixed inductor, primarily used in power supplies and motor control applications due to its ability to store a large amount of energy at a relatively low voltage. Its application field and working principle are complex, so this article will provide an overview of these aspects.
In power supplies and motor control applications, the 39H402C fixed inductor can be used to reduce the ripple in the supply voltage and to increase the power available to the motor. This is possible due to the inductor’s high energy storage capacity and ability to release that energy quickly. However, in order to increase the efficiency of the power supply, certain requirements must be met. The inductor must have a low current rating, a high power rating, and a low inrush current in order to minimize ripple and optimize power supply designs. Additionally, the inductor needs to be constructed of high quality materials that can withstand high temperatures.
The 39H402C fixed inductor has a unique winding construction that reduces power losses due to its low impedance core. Additionally, the inductor is encapsulated in a thermoplastic material that increases its mechanical strength and dissipates heat through the casing. This construction helps to protect the inductor and the circuit from damage caused by temperature changes.
The 39H402C fixed inductor also has a unique working principle. A current, when passed through the inductor’s winding, induces a magnetic field. This field stores energy and resists changes to the current. This resistance causes the voltage of the circuit to remain relatively constant. Additionally, when the current is removed, the inductor releases the stored energy in a smooth and controlled manner.
The 39H402C fixed inductor is a powerful component used in both power supplies and motor control applications. Its unique construction, high quality materials, and efficient working principle make it a great choice for these applications. Furthermore, its ability to reduce ripple, increase available power, and provide smooth energy release make it a great choice for power supply designs.
The specific data is subject to PDF, and the above content is for reference
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39H402C Datasheet/PDF