SRF0703A-220M

Arrays, Signal Transformers Overview

The Bourns SRF0703A-220M is a dual-winding shielded coupled inductor from the SRF0703A series, designed for surface-mount applications. It features an inductance of 22 µH with ±20% tolerance and measures 7.6 mm x 7.6 mm x 3.4 mm. The component has a maximum DC resistance of 0.15 Ω per winding and supports rated currents of 1.62 A (parallel) and 0.811 A (series). Saturation currents are 1.67 A (parallel) and 0.83 A (series). It operates within a temperature range of -40°C to +125°C and holds AEC-Q200 qualification.

Arrays, Signal Transformers Feature Summary

• Dual-winding architecture with parallel and series connection options
• Shielded construction to minimize electromagnetic interference
• AEC-Q200 qualified for automotive reliability standards

Arrays, Signal Transformers Applications

• Automotive DC-DC converter designs
• High-current power supply filtering
• Space-constrained electronic modules

Arrays, Signal Transformers Procurement Notes

Verify that the specific part number matches the required inductance value and current ratings for your circuit design. Confirm that the package dimensions align with your PCB footprint requirements. Ensure compliance with RoHS directives and check for any specific automotive grade certifications if applicable to your end-use environment.

Arrays, Signal Transformers Selection Notes

Select this component when a compact, shielded coupled inductor is needed for high-current applications. Consider the parallel versus series current ratings based on your circuit topology. Verify thermal performance requirements against the specified operating temperature range and ensure the DCR meets efficiency targets.

Arrays, Signal Transformers Part Context

This component belongs to the SRF0703A series of coupled inductors manufactured by Bourns Inc. The series is characterized by its small footprint and high current handling capabilities, making it suitable for modern electronics where space and efficiency are critical constraints.

Arrays, Signal Transformers Replacement Considerations

Cross-reference with other SRF0703A variants or similar shielded coupled inductors from other manufacturers. Ensure equivalent electrical parameters such as inductance, saturation current, and physical dimensions are matched before substitution.

Arrays, Signal Transformers FAQ

What is the difference between parallel and series current ratings?

Parallel rating (1.62 A) applies when windings are connected in parallel to increase current capacity. Series rating (0.811 A) applies when windings are connected in series to increase inductance.

Is this component suitable for automotive applications?

Yes, the SRF0703A-220M is AEC-Q200 qualified, indicating it meets automotive reliability standards.