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103R-123JS
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Product Detailed Parameters
- Description：FIXED IND 12UH 160MA 3.8 OHM SMD
- Series：103R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Ferrite
- Inductance：12 µH
- Tolerance：±5%
- Current Rating (Amps)：160 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：3.8Ohm Max
- Q @ Freq：25 @ 2.5MHz
- Frequency - Self Resonant：35MHz
- 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-123JS is an unshielded surface-mount RF inductor from the 103/R series. It features a nominal inductance of 12 µH with a tolerance of ±5%. The component has a maximum DC resistance of 3.8 Ω and supports a maximum DC current of 160 mA. Key electrical characteristics include a minimum Q factor of 25 and a self-resonant frequency of 40 MHz. The physical dimensions are 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height.
Feature Summary
- Unshielded construction for minimal magnetic interference
- Standard SMD/SMT termination style for PCB mounting
- Designed specifically for RF circuit applications
Applications
- RF signal processing circuits
- Impedance matching networks
- Filtering components in radio frequency systems
Procurement Notes
Verify the manufacturer part number against official API Delevan documentation to ensure authenticity. Confirm that the specific suffix matches the required tolerance and electrical specifications. Check RoHS compliance status through the official datasheet. Ensure the ordering quantity aligns with the manufacturer's standard reel packaging requirements.
Selection Notes
Select this component when a 12 µH inductance value is required for RF applications. Consider the 160 mA current rating and 3.8 Ω DC resistance for power handling needs. The 2520 metric package size fits standard surface-mount footprints. Verify that the 40 MHz self-resonant frequency meets the operational bandwidth requirements of the target circuit design.
Part Context
This component belongs to the Delevan 103/R series of fixed RF inductors. These parts are designed for high-frequency performance in compact surface-mount formats. The series offers various inductance values and tolerances to support diverse RF circuit topologies. They are manufactured by API Delevan Inc., a specialist in passive electronic components.
Replacement Considerations
Cross-reference with other 103R series variants such as 103R-153JS or 103R-121KS if different inductance values are acceptable. Ensure any substitute maintains the same 2520 package dimensions and similar RF performance characteristics.
