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Product Detailed Parameters
- Description：FIXED IND 390NH 210MA 2.2OHM SMD
- Series：HBWS
- Mfr：Max Echo
- Package：Tape & Reel (TR),Cut Tape (CT)
- Type：Wirewound
- Material - Core：Ceramic
- Inductance：390 nH
- Tolerance：±5%
- Current Rating (Amps)：210 mA
- Current - Saturation (Isat)：-
- Shielding：Unshielded
- DC Resistance (DCR)：2.2Ohm Max
- Q @ Freq：45 @ 250MHz
- Frequency - Self Resonant：780MHz
- Ratings：-
- Operating Temperature：-40°C ~ 125°C
- Inductance Frequency - Test：100 MHz
- Mounting Type：Surface Mount
- Package / Case：0805 (2015 Metric)
- Supplier Device Package：0805 (2012 Metric)
- Size / Dimension：0.079" L x 0.049" W (2.00mm x 1.25mm)
- Height - Seated (Max)：0.047" (1.20mm)
- Features：-
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Overview
The HBWS2012-R39J is a fixed wirewound inductor manufactured by Max Echo, designed for surface-mount applications. It features an unshielded construction within a standard 0805 (2015 Metric) package footprint. The component provides an inductance value of 390 nH with a maximum DC resistance of 2.2 Ohms and a current rating of 210 mA. Key electrical specifications include a Q factor of 45 at 250 MHz and a self-resonant frequency of 780 MHz. It operates reliably across a temperature range of -40°C to 125°C.
Feature Summary
- Unshielded wirewound construction suitable for RF and power applications
- Compact 0805 surface-mount package design
- High self-resonant frequency for signal integrity
Applications
- RF circuits
- Power supply filtering
- Industrial control systems
Procurement Notes
Verify the manufacturer part number HBWS2012-R39J against official Max Echo documentation to ensure authenticity. Confirm that the specified inductance, DCR, and current ratings match your circuit requirements. Check for any specific handling or storage instructions provided in the datasheet to maintain component reliability during assembly.
Selection Notes
Select this component when an unshielded inductor is required to minimize magnetic interference with nearby sensitive traces. Ensure the operating current does not exceed 210 mA to prevent saturation. Verify that the 0805 footprint aligns with your PCB layout constraints and that the thermal characteristics meet the environmental conditions of the final application.
Part Context
This component belongs to the HBWS series of fixed inductors from Max Echo, which utilizes precise wirewound technology. The series is engineered for both RF and power applications, offering consistent performance in industrial and automotive contexts. The HBWS2012 variant specifically addresses space-constrained designs requiring reliable inductive properties.
Replacement Considerations
Direct substitutes must match the 390 nH inductance, 0805 package, and similar electrical parameters. Consult Max Echo's official cross-reference lists for verified alternatives. Generic replacements may differ in Q factor or current rating, potentially affecting circuit performance.
