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Product Detailed Parameters
- Description：INDUCT ARRAY 2 COIL 1UH SMD
- Series：SRF1260
- Mfr：Bourns Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- Number of Coils：2
- Inductance - Connected In Parallel：1 µH
- Inductance - Connected In Series：4 µH
- Tolerance：±30%
- Current Rating - Parallel：15 A
- Current Rating - Series：7.51 A
- DC Resistance (DCR) - Parallel：6.2mOhm Max
- DC Resistance (DCR) - Series：26mOhm 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：23.6 A
- Current Saturation - Series：11.8 A
- Ratings：-
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Overview
The Bourns SRF1260-1R0Y is a dual-winding shielded power inductor designed for high-current applications. It features two coils with an inductance of 1 µH per coil, offering 4 µH when connected in series and 0.25 µH in parallel. The component has a DC resistance (DCR) of 6.2 mΩ and supports a rated current of 15 A. It utilizes a ferrite core and is available in a surface-mount package compliant with RoHS standards.
Feature Summary
- Dual-winding architecture suitable for SEPIC topology
- Shielded design to minimize electromagnetic interference
- High saturation current capability for robust power delivery
Applications
- SEPIC converter circuits
- Communications power supplies
- Computer system power management
- LCD and flat panel display drivers
Procurement Notes
Verify the specific suffix 'Y' indicates tape and reel packaging configuration as per manufacturer documentation. Confirm RoHS compliance status matches current regulatory requirements for your region. Ensure the ordering quantity aligns with standard reel sizes if applicable. Cross-reference the full part number against official Bourns catalogs to validate availability and lead times before finalizing procurement plans.
Selection Notes
Select this component when designing circuits requiring coupled inductors for SEPIC or similar topologies. The 15 A rated current makes it suitable for high-power density designs. Consider the 6.2 mΩ DCR for efficiency calculations. Ensure the physical footprint fits the PCB layout constraints. Verify thermal performance under maximum load conditions to maintain reliability.
Part Context
This part belongs to the Bourns SRF1260 series of dual-winding shielded power inductors. The series offers a wide range of inductance values from 0.33 µH to 4000 µH. These components are engineered for automotive and industrial applications requiring high current handling and low profile. The SRF1260 series is known for its compact size and high efficiency in power conversion systems.
Replacement Considerations
The SRF1260A-1R0Y is a confirmed substitute within the same family, offering identical electrical characteristics. Both parts share the same form factor and pinout. Verify that any alternative from other manufacturers meets the 15 A current rating and 1 µH inductance specifications exactly.
