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Product Detailed Parameters
- Description：INDUCT ARRAY 2 COIL 680NH SMD
- Series：4448R
- Mfr：Delevan
- Package：Tape & Reel (TR)
- Number of Coils：2
- Inductance - Connected In Parallel：680 nH
- Inductance - Connected In Series：3 µH
- Tolerance：±20%
- Current Rating - Parallel：7:00 AM
- Current Rating - Series：3.5 A
- DC Resistance (DCR) - Parallel：5mOhm Max
- DC Resistance (DCR) - Series：20mOhm 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-104M is a coupled inductor from the 4448/R series, designed for surface-mount technology (SMD) applications. It features a toroidal core construction with two coils. Key electrical specifications include a parallel inductance of 680 nH and a series inductance of 3 µH. The component has a tolerance of 20%, a maximum DC current rating of 7 A, and a maximum DC resistance of 5 mOhms. Its physical dimensions are 13.71 mm in length, 13.71 mm in width, and 7.87 mm in height.
Feature Summary
- Dual-coil coupled inductor configuration with toroidal core structure
- High current handling capability suitable for power applications
- Low DC resistance design for efficient power transmission
- Surface-mount package optimized for PCB integration
Applications
- Power supply filtering circuits
- DC-DC converter input/output stages
- EMI suppression in high-current paths
- Coupled inductor arrays for multi-phase systems
Procurement Notes
Verify RoHS compliance status as sources indicate conflicting information regarding lead-free certification. Confirm manufacturer part number accuracy against API Delevan official documentation to distinguish between 4448-104M and 4448R-104M variants. Ensure ordering quantities align with reel packaging requirements specified by the supplier.
Selection Notes
Select this component when low parallel inductance and high current capacity are required in a compact SMD footprint. The 5 mOhm DCR makes it suitable for efficiency-critical designs. Compare series inductance values against circuit requirements to ensure adequate filtering performance. Verify thermal management needs given the 7 A current rating.
Part Context
This component belongs to the Delevan 4448/R series of coupled inductors. It is manufactured by API Delevan Inc., a specialist in magnetic components. The series offers various inductance values while maintaining consistent physical dimensions and mounting styles for design flexibility across different power electronics applications.
Replacement Considerations
Check for direct substitutes within the 4448R series with matching 680 nH parallel inductance. Verify that alternative parts maintain the same 7 A current rating and 5 mOhm DCR specifications. Ensure compatible SMD footprint dimensions for seamless PCB replacement.
