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0819-58J
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Product Detailed Parameters
- Description：FIXED IND 27UH 100MA 4.7 OHM TH
- Series：819
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：Molded
- Material - Core：Ferrite
- Inductance：27 µH
- Tolerance：±5%
- Current Rating (Amps)：100 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：4.7Ohm Max
- Q @ Freq：45 @ 2.5MHz
- Frequency - Self Resonant：17MHz
- Ratings：-
- Operating Temperature：-55°C ~ 105°C
- Inductance Frequency - Test：2.5 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 0819-58J is a leaded RF inductor from the 0819 series, featuring a molded unshielded coil construction. It provides an inductance of 27 uH with a tolerance of ±5%. The component has a maximum DC resistance of 4.7 Ohms and a rated current of 100 mA. Designed for PCB mounting via axial termination, it measures 5.08 mm in length and 1.98 mm in diameter. This part is intended for radio frequency applications requiring stable inductive performance.
Feature Summary
- Molded unshielded coil design for consistent RF performance
- Axial leaded termination for standard PCB mounting
- Fixed inductance value with tight manufacturing tolerance
Applications
- Radio frequency circuit filtering
- Impedance matching networks
- RF signal processing stages
Procurement Notes
Verify the manufacturer datasheet to confirm RoHS compliance status, as some listings indicate non-compliance. Ensure the specific order quantity matches the manufacturer's minimum packaging requirements. Cross-reference the electrical parameters against your circuit design specifications before finalizing procurement to avoid mismatched inductance or current ratings.
Selection Notes
Select this component when a 27 uH inductance is required in a leaded, unshielded form factor. Consider the 100 mA current rating and 4.7 Ohm DC resistance limits during circuit design. Compare against other 0819 series variants if different inductance values or tighter tolerances are needed for the specific RF application.
Part Context
This component belongs to the Delevan 0819 series of RF inductors. These parts are characterized by their molded construction and axial leads, distinguishing them from surface mount alternatives like the 1008 series. The series offers various inductance options tailored for general RF use cases.
Replacement Considerations
Check the 0819-10J for lower inductance needs (0.27 uH). For higher inductance requirements within the same package style, consider the 0819-48F (10 uH) or 0819R-66J (56 uH). Verify that the physical dimensions and electrical characteristics of potential substitutes match the original design constraints.
