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105-181K
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Product Detailed Parameters
- Description：FIXED IND 180NH 710MA 190MOHM SM
- Series：105
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Iron
- Inductance：180 nH
- Tolerance：±10%
- Current Rating (Amps)：710 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：190mOhm Max
- Q @ Freq：40 @ 25MHz
- Frequency - Self Resonant：405MHz
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Inductance Frequency - Test：25 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 105-181K is a fixed RF inductor with an inductance of 180 nH and a tolerance of 10%. It features a maximum DC resistance of 190 mOhms and supports a maximum DC current of 710 mA. The component has a minimum Q factor of 40 and a self-resonant frequency of 405 MHz. It utilizes a nonstandard, two-lead package design suitable for PCB mounting.
Feature Summary
- Unshielded construction for specific RF applications
- Two-lead through-hole or surface mount configuration
- Ferrite core technology for stable RF performance
Applications
- RF signal processing circuits
- Impedance matching networks
- Filtering applications in radio frequency systems
Procurement Notes
Verify the obsolete lifecycle status before procurement planning. Confirm lead availability as distribution may be limited. Ensure the nonstandard two-lead package matches the target PCB footprint requirements. Validate electrical parameters against current design specifications to ensure compatibility with existing circuit architectures.
Selection Notes
Select this component for designs requiring 180 nH inductance with high current handling up to 710 mA. Consider the unshielded nature for applications where magnetic interference is not critical. Verify that the 405 MHz self-resonant frequency aligns with the operational bandwidth. Ensure the physical dimensions of the two-lead package fit the assembly constraints.
Part Context
This part belongs to the Delevan fixed inductor family, specifically designed for radio frequency applications. It represents a legacy component with established performance characteristics for RF filtering and impedance matching. The manufacturer API Delevan specializes in passive components for electronic systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Due to the obsolete lifecycle status, direct replacements should be identified through engineering evaluation of equivalent electrical parameters and mechanical footprints.
