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103R-121GS
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Product Detailed Parameters
- Description：FIXED IND 120NH 880MA 125MOHM SM
- Series：103R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Ferrite
- Inductance：120 nH
- Tolerance：±2%
- Current Rating (Amps)：880 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：125mOhm Max
- Q @ Freq：30 @ 25MHz
- Frequency - Self Resonant：750MHz
- 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-121GS is a surface-mount RF inductor from the 103/R series, designed for radio frequency applications. It features an unshielded construction with a nominal inductance of 120 nH and a tight tolerance of ±2%. The component exhibits a maximum DC resistance of 125 mOhms and supports a maximum DC current of 880 mA. Key performance metrics include a minimum Q factor of 30 and a self-resonant frequency of 750 MHz. It utilizes standard SMD/SMT terminations within a compact 1010 (2525 metric) package footprint.
Feature Summary
- Unshielded chip design optimized for RF signal integrity
- High precision inductance stability with ±2% tolerance
- Standard surface mount termination for PCB integration
Applications
- Radio Frequency circuit filtering
- RF impedance matching networks
- General purpose RF signal processing
Procurement Notes
Verify the exact suffix 'GS' against manufacturer documentation to confirm specific tolerance and packaging details. Ensure the ordering suffix aligns with required quantity increments and reel specifications. Cross-reference the datasheet for RoHS compliance status and lead-free certification prior to procurement to meet regulatory requirements.
Selection Notes
Select this component when precise 120 nH inductance is required with minimal deviation. The low DC resistance supports higher current handling up to 880 mA compared to similar unshielded variants. Consider the 750 MHz self-resonant frequency limit for high-frequency operation suitability.
Part Context
This part belongs to the Delevan 103/R series of unshielded RF inductors. It shares the same physical dimensions as other members like the 103R-121K but differs in tolerance specification. The series is characterized by small form factors suitable for dense PCB layouts in consumer electronics and communication devices.
Replacement Considerations
The 103R-121G offers identical electrical parameters but with a different tolerance specification. Verify if the ±2% tolerance of the GS variant is strictly necessary or if the G suffix alternative provides sufficient performance for the application.
