SRR1050HA-3R3Y

Fixed Inductors Overview

The Bourns SRR1050HA-3R3Y is a shielded surface-mount power inductor with a ferrite core and wirewound construction. It features an inductance of 3.3 µH with a tolerance of ±30%. The component supports a maximum DC current of 6.5 A and a saturation current of 7.8 A. Its maximum DC resistance is 11 mΩ, and it operates within a temperature range of -40°C to +125°C. The self-resonant frequency is 40 MHz. Physical dimensions are 10.2 mm in length, 10 mm in width, and 4.8 mm in height. It meets AEC-Q200 automotive qualification standards.

Fixed Inductors Feature Summary

• Shielded design utilizing ferrite core and shield for low magnetic field radiation
• AEC-Q200 qualified for automotive reliability requirements
• High saturation current capability suitable for power delivery applications

Fixed Inductors Applications

• Automotive electronic systems
• Power factor correction circuits
• DC-DC converter modules

Fixed Inductors Procurement Notes

Verify the specific part number suffix against official manufacturer documentation to ensure correct inductance value and tolerance specifications. Confirm that the requested variant matches the required AEC-Q200 automotive grade certification if intended for automotive use. Check package availability options such as reel or cut tape directly from authorized distributors to align with manufacturing processes. Ensure all ordering details correspond precisely to the datasheet parameters to avoid functional mismatches in final assembly.

Fixed Inductors Selection Notes

Select this component for designs requiring high current handling in compact spaces. The shielded structure minimizes electromagnetic interference with nearby components. Verify that the 6.5 A continuous current rating and 7.8 A saturation limit meet the peak load requirements of the target circuit. Consider the 11 mΩ DCR impact on thermal performance and efficiency. Ensure the operating temperature range covers the expected environmental conditions of the application.

Fixed Inductors Part Context

This component belongs to the SRR1050HA series of shielded power inductors manufactured by Bourns. The series offers various inductance values ranging from 0.68 µH to 470 µH with corresponding current ratings up to 9.5 A. These inductors are designed for surface-mount technology and are commonly used in modern electronics where space constraints and high efficiency are critical design factors.

Fixed Inductors Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.