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0819-08F
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Product Detailed Parameters
- Description：FIXED IND 220NH 645MA 250MOHM TH
- Series：819
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：Molded
- Material - Core：Phenolic
- Inductance：220 nH
- Tolerance：±1%
- Current Rating (Amps)：645 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：250mOhm Max
- Q @ Freq：30 @ 25MHz
- Frequency - Self Resonant：500MHz
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Inductance Frequency - Test：25 MHz
- Mounting Type：Through Hole
- Package / Case：Axial
- Supplier Device Package：-
- Size / Dimension：0.078" Dia x 0.200" L (1.98mm x 5.08mm)
- Height - Seated (Max)：-
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Overview
The Delevan 0819-08F is a leaded RF inductor with an axial termination style. It features a molded unshielded coil design suitable for PCB mount applications. The component has an inductance of 220 nH, a tolerance of 1%, and a maximum DC resistance of 250 mOhms. It supports a maximum DC current of 645 mA and offers a minimum Q factor of 30. The self-resonant frequency is 250 MHz. Physical dimensions include a length of 5.08 mm and a diameter of 1.98 mm.
Feature Summary
- Molded unshielded construction for consistent RF performance
- Axial leaded termination for standard PCB mounting
- High precision 1% inductance tolerance
Applications
- RF circuit filtering
- Impedance matching networks
- Signal processing circuits
Procurement Notes
Verify the specific electrical parameters against the official manufacturer datasheet before integration. Confirm that the axial package dimensions align with the target PCB footprint. Ensure the maximum DC current rating of 645 mA meets the operational requirements of the application to prevent saturation or thermal issues during continuous operation.
Selection Notes
Select this component when precise low-inductance values are required for high-frequency RF stages. The 1% tolerance ensures tight control over circuit characteristics compared to standard tolerances. Consider the unshielded nature of the coil regarding potential electromagnetic interference coupling with nearby sensitive components in dense layouts.
Part Context
This part belongs to the Delevan 0819 series of fixed RF inductors. The series provides various inductance values with different tolerance and current ratings. The 0819-08F specifically targets applications requiring small form factor axial inductors with high accuracy for signal integrity maintenance in radio frequency environments.
Replacement Considerations
The 0819R-08F is a documented equivalent variant within the same manufacturer lineup. Verify if RoHS compliance status differs between the standard and R-series versions if environmental regulations apply to the final assembly.
