| Allicdata Part #: | 2890R-10H-ND |
| Manufacturer Part#: |
2890R-10H |
| Price: | $ 2.13 |
| Product Category: | Inductors, Coils, Chokes |
| Manufacturer: | API Delevan Inc. |
| Short Description: | FIXED IND 3.9UH 980MA 450 MOHM |
| More Detail: | 3.9µH Unshielded Molded Inductor 980mA 450 mOhm Ma... |
| DataSheet: |  2890R-10H Datasheet/PDF |
| Quantity: | 1000 |
| 800 +: | $ 1.93640 |
Specifications
| DC Resistance (DCR): | 450 mOhm Max |
| Height - Seated (Max): | -- |
| Size / Dimension: | 0.280" Dia x 0.900" L (7.11mm x 22.86mm) |
| Supplier Device Package: | -- |
| Package / Case: | Axial |
| Mounting Type: | Through Hole |
| Inductance Frequency - Test: | 7.9MHz |
| Operating Temperature: | -55°C ~ 125°C |
| Ratings: | -- |
| Frequency - Self Resonant: | 95MHz |
| Q @ Freq: | 60 @ 7.9MHz |
| Series: | 2890R |
| Shielding: | Unshielded |
| Current - Saturation: | -- |
| Current Rating: | 980mA |
| Tolerance: | ±3% |
| Inductance: | 3.9µH |
| Material - Core: | Phenolic |
| Type: | Molded |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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Fixed Inductors, with the 2890R-10H series inductor as an example, offer many advantages over other electrical components. The 2890R-10H inductor series is an enhanced high-selectivity inductor that can be used in both commercial and industrial applications. The 2890R-10H series provides excellent performance, flexibility, and optimized efficiency even in the toughest of environment.
Applications
The 2890R-10H inductor series offers a wide array of applications, including DC-DC converters, power supplies, and high-power amplifiers. Due to its high selectivity, the 2890R-10H can be used to provide broadband performance in a variety of applications. Additionally, this inductor series is suitable for AC and DC blocking, voltage regulation, and high inductance applications.Characteristics
The 2890R-10H series inductor features a mechanical construction which provides excellent reliability and vibration resistance. This series offers increased EMI/RFI shielding compared to other inductors due to its enclosed outer casing. The 2890R-10H has a maximum rated current of 10A and a temperature range of -55°C to +105°C.The 2890R-10H series has a maximum capacitance of up to 50 nF and a minimum inductance of 0.30 µH. The inductor features a high-saturation current relative to its size, offering superior dielectric strength and extremely low leakage Inductors.Working Principle
The 2890R-10H inductor operates on the basic principle of inductance. An inductor is a coil of wire with a core of ferromagnetic material that stores electrical energy in the form of magnetic fields when an electrical current passes through it. The magnetic field generated by the inductor then resists any changes in current, leading to a specific amount of voltage being developed across it. This voltage is proportional to the rate of change in the current passing through it.When connected in the circuit, the 2890R-10H will resist any changes in the current flowing through it. This resistance is known as impedance and is measured in ohms. The higher the current flowing through the inductor, the higher its impedance will be. This high impedance helps to filter out unwanted noise or disturbances and allows the circuit to run more smoothly and efficiently.Conclusion
In conclusion, the 2890R-10H series inductor possesses many advantages for both commercial and industrial applications. It offers excellent performance in extreme temperatures, as well as high-saturation current and a wide variety of options for use in a range of applications. Additionally, its enclosed housing offers increased electromagnetic interference/radio frequency interference (EMI/RFI) shielding, leading to cleaner signal transmission. Lastly, its working principle of inductance helps filter out unwanted noise or disturbances and allows the circuit to operate more smoothly and efficiently.The specific data is subject to PDF, and the above content is for reference
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| 2890-02K | API Delevan ... | 1.04 $ | 1000 | FIXED IND 1.5UH 2.19A 90 ... |
| 2890R-00K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 1.2UH 2.4A 75 M... |
| 2890R-02K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 1.5UH 2.19A 90 ... |
| 2890R-04K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 2.2UH 1.64A 160... |
| 2890R-06K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 2.7UH 1.4A 220 ... |
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| 2890R-12K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 4.7UH 880MA 560... |
| 2890R-14K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 5.6UH 760MA 745... |
| 2890R-16K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 6.8UH 640MA 1.0... |
| 2890R-18K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 8.2UH 555MA 1.4... |
| 2890R-20K | API Delevan ... | 1.11 $ | 1000 | FIXED IND 10UH 475MA 1.9 ... |
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