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105R-103K
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Product Detailed Parameters
- Description：FIXED IND 10UH 130MA 5.6 OHM SMD
- Series：105R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Iron
- Inductance：10 µH
- Tolerance：±10%
- Current Rating (Amps)：130 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：5.6Ohm Max
- Q @ Freq：30 @ 7.9MHz
- Frequency - Self Resonant：38MHz
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Inductance Frequency - Test：7.9 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 105R-103K is a fixed surface-mount power inductor featuring a ferrite core and wirewound construction. It provides an inductance of 10 µH with a tolerance of ±10%. The component supports a maximum DC current of 130 mA and exhibits a maximum DC resistance of 5.6 Ohms. It operates within a temperature range of -55°C to 125°C and has a self-resonant frequency of 38 MHz. The physical dimensions are non-standard with two leads, designed for PCB mounting.
Feature Summary
- Utilizes a ferrite core with wirewound architecture for stable inductance performance.
- Designed as an unshielded SMD choke suitable for general power applications.
- Capable of operation across a wide industrial temperature range.
Applications
- Power supply filtering circuits
- General purpose signal chokes
- DC-DC converter input/output stages
Procurement Notes
Verify the specific package type and lead configuration against the official datasheet, as the 105R series may utilize non-standard footprints compared to common metric sizes. Confirm RoHS compliance status and check for obsolescence notices from API Delevan or authorized distributors before finalizing procurement plans.
Selection Notes
Select this component when a 10 µH inductance value is required with a low current rating of 130 mA. Ensure the circuit design accommodates the 5.6 Ohm DC resistance to prevent excessive voltage drop. Verify that the non-standard footprint matches the PCB layout constraints.
Part Context
This part belongs to the Delevan 105R series of fixed inductors. It is distinct from the PD105R and P1812R series which feature different current ratings and standardized 1812 or larger footprints. The 105R series is characterized by its specific non-standard form factor and lower current handling capabilities.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided documentation. Cross-referencing requires matching the 10 µH value, 130 mA current rating, 5.6 Ohm DCR, and compatible physical footprint.
