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103R-821FS
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Product Detailed Parameters
- Description：FIXED IND 820NH 430MA 530MOHM SM
- Series：103R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Ferrite
- Inductance：820 nH
- Tolerance：±1%
- Current Rating (Amps)：430 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：530mOhm Max
- Q @ Freq：22 @ 25MHz
- Frequency - Self Resonant：160MHz
- 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 103R-821FS is an unshielded surface-mount RF inductor from the 103/R series. It features a nominal inductance of 820 nH with a tight tolerance of ±5%. The component supports a maximum DC current of 430 mA and exhibits a minimum DC resistance of 530 mOhms. Key electrical characteristics include a minimum Q factor of 22 and a self-resonant frequency of 160 MHz. The device measures 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height, designed for standard PCB mounting.
Feature Summary
- Unshielded construction suitable for high-frequency RF applications
- Compact SMD footprint optimized for space-constrained circuit boards
- High self-resonant frequency capability for signal integrity
Applications
- RF filtering circuits
- Impedance matching networks
- Signal processing modules
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact tolerance and current ratings. Ensure compatibility with standard reflow soldering profiles for SMD components. Confirm RoHS compliance status through current datasheets as regulatory requirements may evolve. Cross-reference Mouser or distributor part numbers to validate availability and packaging specifications prior to procurement.
Selection Notes
Select this component for designs requiring precise 820 nH inductance in compact RF layouts. Consider the unshielded nature when planning PCB layout to minimize electromagnetic interference with adjacent traces. Evaluate the 430 mA current limit against peak operational loads. The 160 MHz self-resonant frequency defines the upper operational bandwidth for effective filtering performance.
Part Context
This part belongs to the Delevan 103/R series of fixed RF inductors. These components are engineered for surface-mount technology integration. The series provides various inductance values tailored for radio frequency signal conditioning. The 103R-821FS represents a specific value within this standardized family of passive electronic components.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Consult manufacturer cross-reference guides for verified alternatives.
