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106-121F
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Product Detailed Parameters
- Description：FIXED IND 120NH 710MA 200MOHM SM
- Series：106
- Mfr：Delevan
- Package：Bulk
- Type：-
- Material - Core：Iron
- Inductance：120 nH
- Tolerance：±1%
- Current Rating (Amps)：710 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：200mOhm Max
- Q @ Freq：42 @ 25MHz
- Frequency - Self Resonant：400MHz
- 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：0.155" L x 0.110" W (3.94mm x 2.79mm)
- Height - Seated (Max)：0.075" (1.90mm)
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Overview
The Delevan 106-121F is an unshielded surface-mount RF inductor with a nominal inductance of 120 nH and a tolerance of 1%. It features a maximum DC resistance of 200 mOhms and supports a maximum DC current of 710 mA. The component exhibits a minimum Q factor of 42 and a self-resonant frequency of 400 MHz. Its physical dimensions are 3.94 mm in length, 2.79 mm in width, and 1.91 mm in height. This part utilizes standard SMD/SMT termination styles for PCB mounting.
Feature Summary
- Unshielded construction suitable for specific RF circuit layouts
- High precision 1% inductance tolerance for stable performance
- Compact nonstandard package dimensions optimized for space-constrained designs
Applications
- RF signal processing circuits
- Impedance matching networks
- Filter design applications
Procurement Notes
Verify the End-of-Life (EOL) status before procurement, as official documentation indicates discontinuance notifications. Confirm RoHS compliance requirements against project specifications, as records show non-compliant variants. Validate that the nonstandard package footprint matches existing PCB silkscreens and copper pads to prevent assembly errors during replacement or legacy maintenance.
Selection Notes
Select this component when a precise 120 nH value is required with tight 1% tolerance constraints. Ensure the circuit design accommodates the unshielded nature of the inductor to prevent unwanted electromagnetic interference coupling. Verify that the 710 mA current rating aligns with peak operational loads to maintain thermal stability and prevent saturation effects in the magnetic core structure.
Part Context
This component belongs to the Delevan fixed inductor family designed for radio frequency applications. It represents a specialized surface-mount solution distinct from shielded series like the S1210R. The 106 series focuses on providing high-Q performance in compact form factors for critical RF signal paths where shielding is not mandated by the system architecture.
Replacement Considerations
- 4302-121F
FAQ
What is the self-resonant frequency of the 106-121F?
The self-resonant frequency is specified at 400 MHz.
Is the 106-121F shielded?
No, the 106-121F is an unshielded inductor.
