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0819-32H
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Product Detailed Parameters
- Description：FIXED IND 2.2UH 257MA 720MOHM TH
- Series：819
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：Molded
- Material - Core：Iron
- Inductance：2.2 µH
- Tolerance：±3%
- Current Rating (Amps)：257 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：720mOhm Max
- Q @ Freq：45 @ 7.9MHz
- Frequency - Self Resonant：130MHz
- Ratings：-
- Operating Temperature：-55°C ~ 105°C
- Inductance Frequency - Test：7.9 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 0819-32H is a leaded RF inductor from the 0819 series, featuring a molded unshielded coil construction. It provides an inductance of 2.2 µH with a tight tolerance of ±3%. The component has a maximum DC resistance of 720 mΩ and supports a maximum DC current of 257 mA. Key electrical characteristics include a minimum Q factor of 45 and a self-resonant frequency of 130 MHz. Designed for PCB mount applications, it utilizes axial termination and standard terminals.
Feature Summary
- Molded unshielded coil design for RF applications
- Axial leaded termination for through-hole mounting
- High Q factor performance at operating frequencies
Applications
- RF circuit filtering
- Impedance matching networks
- General purpose RF signal processing
Procurement Notes
Verify RoHS compliance status as documentation indicates non-compliance. Confirm axial lead length requirements against PCB layout constraints. Ensure handling procedures account for the molded epoxy construction. Cross-reference manufacturer datasheets for thermal derating curves relative to the 105 °C maximum operating temperature limit.
Selection Notes
Select this component when a 2.2 µH inductance with ±3% tolerance is required for RF circuits. Consider the 257 mA current rating and 720 mΩ DCR for power loss calculations. The unshielded design necessitates careful placement to avoid magnetic coupling with adjacent components. Verify that the 130 MHz self-resonant frequency aligns with the target signal bandwidth.
Part Context
This part belongs to the Delevan 0819 series of fixed RF inductors. These components are characterized by their cylindrical molded construction and iron core material. The series offers various inductance values tailored for radio frequency applications, utilizing axial leads for reliable through-hole integration on printed circuit boards.
FAQ
Is the 0819-32H shielded?
No, the 0819-32H features an unshielded molded coil design.
What is the self-resonant frequency of this inductor?
The self-resonant frequency is specified as 130 MHz.
