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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-392H is a surface-mount RF inductor with an inductance of 3.9 µH and a tolerance of 3%. It features a maximum DC current rating of 250 mA and a maximum DC resistance of 1.55 Ohms. The component has a minimum Q factor of 24 and operates within standard temperature ranges. It utilizes a nonstandard, two-lead SMD package design suitable for PCB mounting.
Feature Summary
- Unshielded wirewound construction for RF applications
- Surface-mount technology (SMT) compatibility
- Standard terminal configuration for PCB integration
Applications
- RF circuit filtering
- Impedance matching networks
- General-purpose RF signal processing
Procurement Notes
Verify the specific suffix designation with the manufacturer to confirm exact electrical tolerances and packaging configurations. Confirm RoHS compliance status and lifecycle stage prior to procurement. Ensure the nonstandard lead form factor matches the target PCB footprint requirements for reliable assembly.
Selection Notes
Select this component when a 3.9 µH unshielded RF inductor is required with a 250 mA current limit. Consider the 1.55 Ohm DC resistance impact on circuit efficiency. Verify that the nonstandard package dimensions fit the available board space compared to standard metric sizes.
Part Context
This part belongs to the Delevan 103R series of fixed RF inductors. These components are designed for high-frequency applications requiring stable inductance values. The series offers various inductance options with different current ratings and package styles to suit diverse RF design constraints.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-reference with other Delevan 103R series variants or API Delevan equivalents only after verifying mechanical and electrical parameter alignment.
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