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Product Detailed Parameters
- Description：INDUCT ARRAY 2 COIL 820UH SMD
- Series：SRF1260
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Coils：2
- Inductance - Connected In Parallel：820 µH
- Inductance - Connected In Series：3.28 mH
- Tolerance：±20%
- Current Rating - Parallel：600 mA
- Current Rating - Series：301 mA
- DC Resistance (DCR) - Parallel：1.46Ohm Max
- DC Resistance (DCR) - Series：5.363Ohm Max
- Shielding：Shielded
- Operating Temperature：-40°C ~ 125°C
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Size / Dimension：0.492" L x 0.492" W (12.50mm x 12.50mm)
- Height：0.244" (6.20mm)
- Current Saturation - Parallel：770 mA
- Current Saturation - Series：385 mA
- Ratings：-
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Overview
The Bourns SRF1260-821M is a dual-winding shielded power inductor from the SRF1260 series, designed for surface-mount applications. It features an inductance of 820 µH with a tolerance of ±20%. The component utilizes a ferrite core and offers a rated current of 2.7A. Electrical specifications include a DC resistance of 444 mΩ per winding. The device operates within a temperature range of -40°C to +125°C. Its physical dimensions are 12.5 mm x 12.5 mm x 6 mm.
Feature Summary
- Dual-winding configuration for coupled inductor applications
- Shielded magnetic structure to minimize electromagnetic interference
- Ferrite core construction for stable performance
- Surface-mount design compatible with automated assembly
Applications
- Power factor correction circuits
- DC-DC converter input/output filtering
- Coupled inductor implementations in power supplies
Procurement Notes
Verify the specific suffix 'M' corresponds to the required tolerance and packaging format as defined by Bourns official documentation. Confirm that the 820 µH value aligns with circuit requirements before ordering. Ensure compatibility with the specified operating temperature range of -40°C to +125°C for the target environment.
Selection Notes
Select this component when a dual-winding shielded inductor with 820 µH inductance is required. Consider the 2.7A rated current and 444 mΩ DC resistance for thermal management. The 1260 package size suits space-constrained designs requiring high coupling efficiency and low EMI.
Part Context
This part belongs to the Bourns SRF1260 series of dual-winding shielded power inductors. The series is characterized by its compact 1260 footprint and ferrite core technology. These components are engineered for high-current applications where magnetic shielding and tight coupling between windings are critical for system stability.
Replacement Considerations
Consult Bourns official substitution guides for equivalent parts within the SRF1260 series or other shielded dual-winding inductors with matching electrical parameters and mechanical dimensions.
