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108R-104FS
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Product Detailed Parameters
- Description：FIXED IND 100UH 28MA 31 OHM SMD
- Series：108R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Iron
- Inductance：100 µH
- Tolerance：±1%
- Current Rating (Amps)：28 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：31Ohm Max
- Q @ Freq：30 @ 2.5MHz
- Frequency - Self Resonant：7MHz
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Inductance Frequency - Test：2.5 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 108R-104FS is a surface-mount fixed inductor designed for RF applications. It features an unshielded construction with a nominal inductance of 100 uH and a tight tolerance of 1%. The component supports a maximum DC current of 28 mA and exhibits a maximum DC resistance of 31 Ohms. It operates within a temperature range of -55°C to +125°C and utilizes standard nonstandard two-lead termination.
Feature Summary
- Unshielded magnetic design suitable for specific RF circuit configurations
- High precision inductance tolerance for stable signal performance
- Robust thermal stability across extended industrial temperature ranges
Applications
- RF filtering circuits
- Signal processing modules
- Communication equipment
Procurement Notes
Verify the exact physical dimensions and lead configuration against the official datasheet, as the package is classified as nonstandard. Confirm that the unshielded topology aligns with your electromagnetic interference requirements. Ensure the 28 mA current rating meets the operational demands of the target circuit without saturation.
Selection Notes
Select this component when a precise 100 uH value is required in a compact surface-mount form factor. The unshielded nature distinguishes it from shielded alternatives, potentially affecting layout considerations. Evaluate the 31 Ohm DC resistance impact on power loss relative to the 28 mA limit.
Part Context
This part belongs to the Delevan fixed inductor portfolio, specifically tailored for radio frequency environments. It contrasts with shielded power inductors by prioritizing specific RF characteristics over magnetic containment. The series offers high Q-factor potential typical of air-core or similar unshielded designs.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 100 uH inductance, 1% tolerance, 28 mA current rating, and 31 Ohm resistance specifications.
FAQ
Is the 108R-104FS shielded?
No, the 108R-104FS is an unshielded inductor.
What is the maximum DC current rating?
The maximum DC current rating is 28 mA.
