— IC芯片 | 连接器 | 传感器 | 被动器件 —
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:±3%
- 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)
Download product information
Overview
The Delevan 108R-183HS is a surface-mount RF inductor with an 18 µH nominal inductance and ±3% tolerance. It features a maximum DC resistance of 4.4 Ohms and operates within a temperature range of -55°C to +125°C. The component utilizes a nonstandard two-lead SMD package measuring 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. Designed for radio frequency applications, it supports PCB mounting via standard terminations.
Feature Summary
- Surface mount construction for automated PCB assembly
- Shielded design to minimize electromagnetic interference
- Ferrite core material for stable RF performance
Applications
- Radio frequency signal processing circuits
- RF filtering networks
- Impedance matching stages in communication devices
Procurement Notes
Verify current availability status as the component may be subject to limited supply or discontinuation. Confirm RoHS compliance documentation prior to integration. Ensure ordering suffixes match exact physical dimensions and termination specifications required by the target PCB layout.
Selection Notes
Select this component for compact RF designs requiring precise 18 µH inductance with tight tolerance. Evaluate thermal management capabilities given the small footprint and high DC resistance. Compare against alternative shielded SMD inductors if higher current ratings are necessary for the specific power stage.
Part Context
This part belongs to the Delevan 108R series of fixed RF inductors. The series is characterized by small form factors suitable for dense electronic assemblies. The manufacturer API Delevan specializes in passive components for telecommunications and industrial electronics.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Verify mechanical compatibility and electrical equivalence before considering any generic alternatives.
ChipApex | Global Electronic Components Supplier






