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Product Detailed Parameters
- Description：INDUCT ARRAY 2 COIL 2UH SMD
- Series：4448R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Number of Coils：2
- Inductance - Connected In Parallel：2 µH
- Inductance - Connected In Series：8 µH
- Tolerance：±20%
- Current Rating - Parallel：5.9 A
- Current Rating - Series：2.95 A
- DC Resistance (DCR) - Parallel：7mOhm Max
- DC Resistance (DCR) - Series：28mOhm Max
- Shielding：Unshielded
- Operating Temperature：-55°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Size / Dimension：0.530" L x 0.530" W (13.46mm x 13.46mm)
- Height：0.310" (7.87mm)
- Current Saturation - Parallel：-
- Current Saturation - Series：-
- Ratings：-
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Overview
The Delevan 4448R-108M is a coupled inductor array featuring two coils with a parallel inductance of 2 µH and a series inductance of 8 µH. It exhibits a tolerance of 20% and a maximum DC resistance of 7 mOhms. The component supports a maximum DC current of 5.9 A and utilizes surface-mount technology for PCB installation. Its physical dimensions are 13.71 mm in length, 13.71 mm in width, and 7.87 mm in height.
Feature Summary
- Dual-coil configuration allowing flexible series or parallel connection
- High-current capability suitable for power applications
- Low DC resistance for efficient power handling
- Molded SMT construction for robust mounting
Applications
- Power supply filtering
- DC-DC converter circuits
- Signal transformer arrays
Procurement Notes
Verify the specific suffix (e.g., R vs. standard) against official datasheets to confirm pinout and electrical characteristics. Confirm RoHS compliance status as documentation may vary by production batch. Ensure the supplier provides valid traceability documents for quality assurance purposes before finalizing procurement orders.
Selection Notes
Select this component when a dual-inductor solution with low parasitic resistance is required. The 2 µH parallel value suits high-current paths, while the 8 µH series option fits different impedance needs. Verify that the 5.9 A current rating meets the circuit's peak load requirements and that the SMD footprint matches the PCB design constraints.
Part Context
This part belongs to the 4448/R series of coupled inductors from Delevan. It is categorized under power inductors and signal transformers. The series offers various inductance values tailored for different power management applications, maintaining consistent physical dimensions across the family for standardized board layouts.
Replacement Considerations
Check for direct substitutes within the 4448 series with matching 2 µH/8 µH specifications. Verify compatibility with existing footprints and thermal profiles when considering alternative manufacturers.
