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103R-273KS
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Product Detailed Parameters
- Description：FIXED IND 27UH 120MA 6.9 OHM SMD
- Series：103R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Ferrite
- Inductance：27 µH
- Tolerance：±10%
- Current Rating (Amps)：120 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：6.9Ohm Max
- Q @ Freq：25 @ 2.5MHz
- Frequency - Self Resonant：22MHz
- 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 103R-273KS is a surface-mount RF inductor from the 103/R series. It features an inductance of 27 uH with a 10% tolerance and a maximum DC current rating of 120 mA. The component exhibits a maximum DC resistance of 6.9 Ohms and a minimum Q factor of 25. Its self-resonant frequency is specified at 28 MHz. The physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. It utilizes an unshielded wirewound construction on a phenolic core.
Feature Summary
- Unshielded wirewound construction for general-purpose RF applications
- Phenolic core material supporting stable inductive performance
- Standard SMD/SMT termination style for PCB mounting
Applications
- RF circuit filtering
- General purpose inductor applications
- Signal processing circuits
Procurement Notes
Verify component authenticity through authorized channels due to potential availability constraints. Confirm RoHS compliance status prior to integration. Ensure storage conditions maintain component integrity. Validate datasheet revisions against manufacturing batches. Cross-reference part numbers to avoid substitution errors during procurement processes.
Selection Notes
Select this component for designs requiring 27 uH inductance within compact SMD footprints. Evaluate thermal management requirements given the 120 mA current limit. Consider the 28 MHz self-resonant frequency for high-frequency signal integrity. Compare physical dimensions against board space constraints. Assess DCR impact on circuit efficiency relative to alternative solutions.
Part Context
This part belongs to the Delevan 103/R series of fixed inductors. The series offers various inductance values in standardized SMD packages. Components in this family share similar physical profiles and termination styles. They are designed for surface-mount assembly processes. The series supports diverse electronic equipment requirements.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing design parameters before considering alternatives.
