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108R-183JS
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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-183JS is a surface-mount RF inductor with an inductance of 18 µH and a tolerance of ±5%. 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 ferrite core and has dimensions of 2.54 mm x 2.54 mm x 1.91 mm. It is classified as an unshielded fixed inductor designed for RF applications.
Feature Summary
- Surface mount construction for PCB integration
- Ferrite core material for stable inductance
- Unshielded design suitable for RF circuits
Applications
- RF signal processing
- Impedance matching networks
- Filter circuit implementation
Procurement Notes
This component is obsolete and no longer manufactured. Availability is limited to existing stock or surplus channels. Verify end-of-life status and lead times carefully when sourcing from third-party distributors, as original production has ceased.
Selection Notes
Consider the high DC resistance and low current rating when designing power-sensitive circuits. Evaluate thermal management requirements due to resistive losses. Ensure the unshielded nature does not cause interference in dense layouts.
Part Context
Part of the 108R series of RF inductors from Delevan. Designed for high-frequency applications requiring precise inductance values. Represents legacy technology in surface-mount RF components.
Replacement Considerations
- NLV25T-180J-EF (TDK)
FAQ
Is this component shielded?
No, the 108R-183JS is an unshielded inductor.
What is the operating temperature range?
The component operates between -55°C and +125°C.
