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Product Detailed Parameters
- Description：IND DUAL 82UH 20% 0.86A SHLD
- Series：SRF0703HA
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR)
- Number of Coils：2
- Inductance - Connected In Parallel：82 µH
- Inductance - Connected In Series：-
- Tolerance：±20%
- Current Rating - Parallel：860 mA
- Current Rating - Series：430 mA
- DC Resistance (DCR) - Parallel：610mOhm Max
- DC Resistance (DCR) - Series：2.28Ohm Max
- Shielding：Shielded
- Operating Temperature：-55°C ~ 150°C
- Mounting Type：Surface Mount
- Package / Case：Nonstandard
- Size / Dimension：0.299" L x 0.299" W (7.60mm x 7.60mm)
- Height：0.142" (3.60mm)
- Current Saturation - Parallel：890 mA
- Current Saturation - Series：440 mA
- Ratings：-
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Overview
The Bourns SRF0703HA-820M is a dual-winding shielded power inductor designed for automotive applications. It features an inductance of 82 µH in both parallel and series configurations, with a maximum DC resistance of 610 mΩ. The component supports a rated current of 860 mA and a saturation current of 890 mA in parallel mode. It operates within a temperature range of -40°C to 125°C and utilizes a surface-mount package measuring 7.6 mm x 7.6 mm x 3.4 mm.
Feature Summary
- Dual-winding magnetic shielding design for low radiation
- Automotive-grade reliability compliant with AEC-Q200 standards
- Configurable as parallel, series, or transformer setup
Applications
- Automotive power management circuits
- Parallel or series inductor configurations
- Transformer implementations in compact power stages
Procurement Notes
Verify the specific suffix 'HA' against official Bourns documentation to confirm it denotes the automotive-grade variant. Ensure the selected packaging option matches production requirements. Confirm RoHS compliance status and moisture sensitivity level prior to integration into manufacturing workflows.
Selection Notes
Select this component when automotive qualification and magnetic shielding are required. The dual-winding architecture allows flexible circuit topologies. Verify that the 860 mA rated current meets the application's continuous load demands and that the physical dimensions fit the available PCB real estate constraints.
Part Context
This part belongs to the SRF0703HA series of dual-winding shielded power inductors from Bourns. The series is engineered for high-reliability environments, specifically targeting automotive electronics where space efficiency and electromagnetic interference reduction are critical design parameters.
Replacement Considerations
Consult official Bourns substitution guides for verified equivalents. Generic cross-references may not match the specific automotive grade or dual-winding electrical characteristics required for this application.
