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Product Detailed Parameters
- Description：INDUCT ARRAY 2 COIL 470NH SMD
- Series：SRF1260
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Coils：2
- Inductance - Connected In Parallel：470 nH
- Inductance - Connected In Series：1.88 µH
- Tolerance：±30%
- Current Rating - Parallel：17.6 A
- Current Rating - Series：8.8 A
- DC Resistance (DCR) - Parallel：5.3mOhm Max
- DC Resistance (DCR) - Series：21.2mOhm 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：33 A
- Current Saturation - Series：16.5 A
- Ratings：-
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Overview
The Bourns SRF1260-R47Y is a dual-winding shielded power inductor from the SRF1260 series, designed for surface-mount applications. It features an inductance of 0.47 µH per coil with a tolerance of ±30%. The component has a maximum DC current rating of 17.6 A and a saturation current of 33 A. Its maximum DC resistance is 5.3 mΩ. The physical dimensions are 12.5 mm x 12.5 mm x 6.2 mm.
Feature Summary
- Dual-winding configuration with magnetic shielding to minimize electromagnetic interference.
- High current handling capability suitable for demanding power supply circuits.
- Surface-mount construction optimized for automated assembly processes.
Applications
- DC/DC converter output filtering
- Power management integrated circuits (PMIC) input stages
- Automotive electronics power distribution
Procurement Notes
Verify the specific datasheet revision and electrical parameters directly with the manufacturer or authorized distributor before integration. Confirm that the lead time and availability status align with production schedules, as supply chain conditions may vary. Ensure compatibility with existing PCB footprint and reflow soldering profiles.
Selection Notes
Select this component when a compact, high-current dual-inductor solution is required for space-constrained designs. The 1260 package size offers a balance between current capacity and board area. Consider the saturation current margin relative to peak load requirements to ensure stable operation under transient conditions.
Part Context
This part belongs to the Bourns SRF1260 series of dual-winding shielded power inductors. The series is characterized by its robust construction and ability to handle significant current densities within a small footprint. These components are engineered for reliability in industrial and automotive environments where thermal stability and magnetic shielding are critical.
Replacement Considerations
Direct substitutes include other Bourns SRF1260 series variants with similar inductance and current ratings, such as SRF1260-1R0Y or SRF1260-2R2Y, provided the electrical specifications match the circuit requirements. Cross-brand replacements must be evaluated for pinout compatibility, thermal performance, and magnetic shielding effectiveness.
