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Product Detailed Parameters
- Description:FIXED IND 18UH 75MA 4.4 OHM SMD
- Series:108R
- Mfr:Delevan
- Package:Tape & Reel (TR)
- Type:-
- Material - Core:Iron
- Inductance:18 µH
- Tolerance:±5%
- Current Rating (Amps):75 mA
- Current - Saturation (Isat):-
- Shielding:Unshielded
- DC Resistance (DCR):4.4Ohm Max
- Q @ Freq:32 @ 2.5MHz
- Frequency - Self Resonant:21MHz
- 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-183J is a surface-mount RF inductor with an inductance of 18 µH and ±5% tolerance. It features a ferrite core, shielded construction, and standard SMD/SMT termination. The component has a maximum DC resistance of 4.4 Ohms and operates within a temperature range of -55°C to +125°C. Physical dimensions are 2.54 mm length, 2.54 mm width, and 1.91 mm height. It belongs to the 108R series and is designed for PCB mounting.
Feature Summary
- Shielded surface-mount design for electromagnetic interference reduction
- Ferrite core construction optimized for radio frequency applications
- Standard SMD/SMT termination for automated PCB assembly
Applications
- RF circuit filtering
- Radio frequency signal processing
- Power supply choke applications
Procurement Notes
Verify current availability status as this component may be subject to discontinuation or limited supply constraints. Confirm RoHS compliance details through official manufacturer documentation prior to integration. Check for valid substitute part numbers if original sourcing is unavailable due to end-of-life status.
Selection Notes
Select this component for applications requiring precise 18 µH inductance with tight tolerance in compact spaces. Ensure the 4.4 Ohm DC resistance aligns with power loss requirements. Verify that the shielded package fits within the designated footprint constraints on the target printed circuit board layout.
Part Context
This part belongs to the Delevan 108R series of fixed inductors. It is categorized under RF Inductors - SMD within the broader Inductors, Chokes & Coils subcategory. The manufacturer identifies it specifically as a chip SMT RF inductor suitable for high-frequency electronic circuits.
Replacement Considerations
Public confirmed substitute: NLV25T-180J-EF (TDK). Verify electrical compatibility before substitution.
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