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Product Detailed Parameters
- Description:FIXED IND 3.9UH 185MA 2.8OHM SMD
- Series:105R
- Mfr:Delevan
- Package:Tape & Reel (TR)
- Type:-
- Material - Core:Iron
- Inductance:3.9 µH
- Tolerance:±1%
- Current Rating (Amps):185 mA
- Current - Saturation (Isat):-
- Shielding:Unshielded
- DC Resistance (DCR):2.8Ohm Max
- Q @ Freq:25 @ 7.9MHz
- Frequency - Self Resonant:57MHz
- 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 105R-392F is a fixed surface-mount RF inductor with an inductance of 3.9 µH and a tolerance of ±1%. It features a maximum DC resistance of 2.8 Ohms and a rated current of 185 mA. The component utilizes an iron core and epoxy encapsulation, measuring 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. It operates within a temperature range of -55°C to 125°C.
Feature Summary
- Epoxy encapsulated construction for environmental protection
- Iron core design optimized for RF applications
- Standard two-terminal SMD termination
Applications
- RF choke circuits
- General purpose RF filtering
- Signal conditioning networks
Procurement Notes
Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status prior to integration, as documentation indicates non-compliance. Validate lead configuration and package dimensions against PCB footprint requirements to ensure mechanical compatibility during assembly processes.
Selection Notes
Select this component for applications requiring precise 3.9 µH inductance with tight tolerance. Consider the 2.8 Ohm DC resistance impact on circuit efficiency. Ensure the operating environment remains within the specified thermal limits. Verify that the unshielded design does not interfere with adjacent sensitive components.
Part Context
This part belongs to the 105 series of fixed inductors manufactured by API Delevan. These components are designed for surface mount technology and target radio frequency applications. The series offers various inductance values with high precision tolerances suitable for specialized electronic designs.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation.
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