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108R-104GS
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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：±2%
- 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-104GS is a fixed surface-mount inductor with an inductance of 100 µH and a tolerance of ±2%. It features an unshielded wirewound core design using ferrite material. The component supports a maximum DC current of 28 mA and has a maximum DC resistance of 31 Ohms. 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 specific RF applications
- Ferrite core material providing stable inductance characteristics
- Surface mount package suitable for PCB integration
Applications
- RF circuit filtering
- Signal processing networks
- Impedance matching circuits
Procurement Notes
Verify the active lifecycle status and RoHS compliance details directly with API Delevan or authorized distributors before procurement. Confirm that the unshielded design meets electromagnetic interference requirements for the target application. Ensure supply chain availability aligns with production schedules due to potential discontinuation risks associated with legacy passive components.
Selection Notes
Select this component when a high-inductance value of 100 µH is required in a compact 1008 footprint. The low current rating of 28 mA necessitates careful thermal and load analysis. The unshielded nature requires consideration of magnetic coupling with nearby traces. Verify that the 31 Ohm DC resistance fits within the power budget constraints of the circuit design.
Part Context
This part belongs to the Delevan fixed inductor family, characterized by wirewound technology and ferrite cores. It serves as a specialized passive component for radio frequency and signal integrity applications where precise inductance values are critical. The series offers various inductance options within standard SMD footprints.
Replacement Considerations
Direct substitutes include other 100 µH unshielded SMD inductors from manufacturers such as Coilcraft or Bourns. Ensure replacement parts match the 1008 (2520 metric) package dimensions and maintain similar current handling capabilities. Cross-reference datasheets for Q-factor and self-resonant frequency differences.
