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Product Detailed Parameters
- Description:FIXED IND 3.9UH 250MA 1.55OHM SM
- Series:103R
- Mfr:Delevan
- Package:Tape & Reel (TR)
- Type:-
- Material - Core:Ferrite
- Inductance:3.9 µH
- Tolerance:±3%
- Current Rating (Amps):250 mA
- Current - Saturation (Isat):-
- Shielding:Unshielded
- DC Resistance (DCR):1.55Ohm Max
- Q @ Freq:24 @ 7.9MHz
- Frequency - Self Resonant:68MHz
- Ratings:-
- Operating Temperature:-55°C ~ 125°C
- Inductance Frequency - Test:7.9 MHz
- Mounting Type:Surface Mount
- Package / Case:Nonstandard, 2 Lead
- Supplier Device Package:-
- Size / Dimension:0.100" L x 0.100" W (2.54mm x 2.54mm)
- Height - Seated (Max):0.075" (1.91mm)
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Overview
The Delevan 103R-392HS is an unshielded surface-mount RF inductor with a nominal inductance of 3.9 µH and a tolerance of ±3%. It features a maximum DC resistance of 1.55 Ω and a rated maximum DC current of 250 mA. The component has a self-resonant frequency of approximately 45 MHz and a minimum Q factor of 60. Its physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.
Feature Summary
- Unshielded wirewound construction for standard RF applications
- Surface-mount terminal configuration for PCB integration
- Ferrite core material providing stable inductance characteristics
Applications
- RF circuit filtering
- Impedance matching networks
- General-purpose radio frequency signal processing
Procurement Notes
Verify the specific manufacturer designation, as API Delevan assets may be held by other entities. Confirm RoHS compliance status directly with the supplier, as documentation indicates varying classifications. Ensure the package type matches the target footprint requirements before ordering.
Selection Notes
Select this component when an unshielded SMD inductor with 3.9 µH nominal value is required. Consider the 250 mA current rating and 1.55 Ω DCR limits against circuit demands. The 103R series offers a compact 1008 metric footprint suitable for space-constrained designs.
Part Context
This part belongs to the 103R series of fixed inductors from Delevan. The series provides various inductance values in a standardized small outline package. These components are designed for high-frequency applications requiring reliable performance in compact electronic assemblies.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative suppliers or cross-reference lists if sourcing constraints exist.
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