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105R-272J
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Product Detailed Parameters
- Description：FIXED IND 2.7UH 220MA 2 OHM SMD
- Series：105R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Iron
- Inductance：2.7 µH
- Tolerance：±5%
- Current Rating (Amps)：220 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：2Ohm Max
- Q @ Freq：25 @ 7.9MHz
- Frequency - Self Resonant：68MHz
- 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-272J is a surface-mount fixed inductor designed for RF applications. It features an inductance of 2.7 µH with a tolerance of ±5%. The component has a maximum DC resistance of 2 ohms and a rated current of 220 mA. It utilizes a nonstandard SMD package with dimensions of 2.5 x 2.5 mm. The device is RoHS compliant and intended for use in high-frequency circuits requiring stable inductive performance.
Feature Summary
- Surface-mount construction for automated assembly
- Fixed inductance value for RF circuit stabilization
- Compact physical footprint suitable for space-constrained designs
Applications
- RF filter networks
- Impedance matching circuits
- High-frequency signal processing modules
Procurement Notes
Verify the obsolete status of this part number before procurement planning, as it is no longer in production. Confirm that available substitute components meet the required electrical specifications, including inductance, tolerance, and current ratings. Ensure compatibility with existing PCB footprints and soldering processes when transitioning to alternative suppliers or newer generations of RF inductors.
Selection Notes
Select this component only if the specific 2.7 µH inductance and 220 mA current rating align with the circuit design requirements. Consider the 2 ohm DC resistance impact on power loss. Due to its obsolete status, evaluate equivalent surface-mount inductors from other manufacturers that offer similar electrical characteristics and package dimensions to ensure supply chain continuity.
Part Context
This component belongs to the Delevan 105R series of RF inductors. These parts are characterized by their small size and suitability for radio frequency applications. The series typically offers various inductance values with tight tolerances, catering to the needs of communication devices and RF systems requiring precise inductive elements.
Replacement Considerations
Public confirmed substitute: Murata LQW2UAS2R7J00L. Verify mechanical fit and electrical equivalence before substitution.
FAQ
Is the 105R-272J currently in production?
No, the 105R-272J is listed as obsolete and is no longer in production.
What is the package type of the 105R-272J?
It uses a nonstandard surface-mount device (SMD) package with dimensions of 2.5 x 2.5 mm.
