SRR4011-1R2YL

Fixed Inductors Overview

The SRR4011-1R2YL is a shielded surface-mount power inductor from Bourns, designed for high-current applications. It features a compact 4.8x4.8x1.15mm package with a nominal inductance of 1.2µH and a tolerance of ±30%. The component supports a saturation current of 2.7A and exhibits a DC resistance of 48mΩ. These specifications make it suitable for efficient power delivery in space-constrained electronic designs.

Fixed Inductors Feature Summary

• Shielded construction minimizes electromagnetic interference
• Compact surface-mount footprint for dense layouts
• High saturation current capability for stable operation

Fixed Inductors Applications

• DC-DC converter output filtering
• Point-of-load regulation stages
• General-purpose power supply circuits

Fixed Inductors Procurement Notes

Verify the specific ordering suffix against official Bourns documentation to ensure correct tolerance and packaging configuration. Confirm that the requested part number matches the exact electrical parameters required for your design, as variations may exist within the series. Cross-reference the manufacturer's latest datasheet for any updates on compliance or availability status before finalizing procurement orders.

Fixed Inductors Selection Notes

Select this component when a small form factor is critical alongside moderate inductance values. Evaluate the thermal performance requirements against the specified DC resistance to ensure adequate heat dissipation in the target application environment. Consider the saturation current limits relative to peak load conditions to prevent performance degradation during transient states.

Fixed Inductors Part Context

This model belongs to the SRR4011 series of shielded SMD power inductors by Bourns. The series offers various inductance options within a consistent physical envelope, allowing designers to standardize board space while adjusting electrical characteristics. The series is engineered for reliability in consumer and industrial electronics requiring robust magnetic components.

Fixed Inductors Replacement Considerations

Consult the official Bourns SRR4011 series datasheet for alternative part numbers with different inductance values but identical footprints. Verify compatibility with existing PCB land patterns and reflow soldering profiles when substituting with other variants in the same family.