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103R-390J
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Product Detailed Parameters
- Description：FIXED IND 39NH 860MA 133MOHM SMD
- Series：103R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Type：-
- Material - Core：Phenolic
- Inductance：39 nH
- Tolerance：±5%
- Current Rating (Amps)：860 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：133mOhm Max
- Q @ Freq：45 @ 50MHz
- Frequency - Self Resonant：1.335GHz
- Ratings：-
- Operating Temperature：-55°C ~ 125°C
- Inductance Frequency - Test：50 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-390J is an unshielded surface-mount RF inductor with a nominal inductance of 39 nH and a tolerance of 5%. It features a maximum DC resistance of 133 mΩ and supports a maximum DC current of 860 mA. The component measures 2.54 mm in length, 2.54 mm in width, and 1.91 mm in height. Designed for RF applications, it utilizes phenolic core material and standard SMD/SMT terminations.
Feature Summary
- Unshielded construction suitable for general-purpose RF circuits
- Compact rectangular form factor optimized for surface-mount PCB assembly
- Phenolic core material providing stable inductance characteristics
Applications
- RF signal processing circuits
- General-purpose inductive filtering
- Surface-mount electronic assemblies requiring small footprint components
Procurement Notes
Verify the specific suffix designation against official manufacturer documentation to confirm exact electrical tolerances and packaging configurations. Ensure compatibility with automated pick-and-place equipment regarding the standard terminal type and physical dimensions. Cross-reference RoHS compliance status with the latest regulatory declarations provided by API Delevan for the target production region.
Selection Notes
Select this component when a low-inductance value near 39 nH is required for high-frequency RF environments. The unshielded design necessitates careful layout planning to minimize electromagnetic interference with adjacent traces. Evaluate the 860 mA current rating against peak operational loads to prevent saturation or thermal issues within the circuit design constraints.
Part Context
This part belongs to the 103R series of fixed RF inductors manufactured by API Delevan. The series offers various inductance values in a consistent 1010-style package outline. These components are engineered for reliability in consumer electronics and communication devices where space constraints and RF performance are critical design factors.
Replacement Considerations
Publicly confirmed substitute part numbers are not available in the provided source data. Verify mechanical footprint compatibility and electrical parameter equivalence before considering alternative manufacturers.
