SMT45A-252

Arrays, Signal Transformers Overview

The SMT45A-252 is an unshielded dual-coil inductor array manufactured by Gowanda Electronics. It features a toroidal core design with two independent windings. The component offers configurable inductance values: 100 µH when coils are connected in series, and 25 µH when connected in parallel. It has a low DC resistance of 41 mΩ per coil. This surface-mount device is designed for high-efficiency applications requiring compact signal transformation or filtering solutions.

Arrays, Signal Transformers Feature Summary

• Dual-wound toroidal inductor array configuration
• Configurable inductance via series or parallel connection
• Unshielded construction for flexible circuit layout
• Low DC resistance for high efficiency

Arrays, Signal Transformers Applications

• Signal conditioning circuits
• Power supply filtering arrays
• Impedance matching networks
• High-frequency signal processing modules

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix (e.g., LF) against your Bill of Materials to ensure compliance with RoHS3 and REACH requirements. Confirm that the unshielded nature aligns with your EMC constraints. Check moisture sensitivity level (MSL 1) handling procedures during assembly. Ensure footprint dimensions match your PCB design guidelines before finalizing procurement orders.

Arrays, Signal Transformers Selection Notes

Select this component when dual-inductor functionality is required in a single package. Choose the series connection for higher inductance needs or parallel for lower inductance with reduced resistance. Consider the unshielded design if magnetic interference is not a primary concern. Verify current ratings and saturation characteristics against your specific load requirements.

Arrays, Signal Transformers Part Context

This part belongs to the SMT45A family of surface-mount signal transformers and inductor arrays from Gowanda Electronics. The family includes various inductance options such as SMT45A-121LF and SMT45A-801LF. These components are designed for OEM electronic markets, providing reliable board-level magnetic elements with consistent performance across different configurations.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes may include other Gowanda SMT45A variants with similar inductance values, such as SMT45A-252LF. Cross-brand replacements require careful verification of footprint, inductance tolerance, and DC resistance. Ensure any alternative maintains the dual-coil architecture and toroidal core characteristics for equivalent performance.