SMT45A-121

Arrays, Signal Transformers Overview

The SMT45A-121 is a dual-wound surface mount inductor array manufactured by Gowanda Electronics. It features two coils with a nominal inductance of 1.2 µH per coil. When connected in series, the total inductance is 4.8 µH, and when connected in parallel, it is 1.2 µH. The component utilizes an unshielded toroidal design suitable for high-frequency applications. It is available in a tape and reel packaging format and complies with RoHS standards.

Arrays, Signal Transformers Feature Summary

• Dual-wound toroidal structure providing independent or combined coil functionality
• Unshielded magnetic core design optimized for specific electromagnetic interference requirements
• Surface mount technology (SMT) package for automated PCB assembly

Arrays, Signal Transformers Applications

• High-frequency signal processing circuits
• Power supply filtering stages requiring dual inductance paths
• RF circuit impedance matching networks

Arrays, Signal Transformers Procurement Notes

Verify the specific suffix (e.g., LF for lead-free) against the required environmental compliance standards. Confirm the packaging type matches production line capabilities, as this model is typically supplied in tape and reel. Ensure the datasheet version aligns with the manufacturing batch for accurate dimensional and electrical tolerances.

Arrays, Signal Transformers Selection Notes

Select this component when a dual-coil configuration is necessary within a single footprint. Consider the unshielded nature of the device regarding proximity to other sensitive components. Evaluate the series and parallel inductance options to determine if they meet the specific circuit topology requirements compared to single-coil alternatives.

Arrays, Signal Transformers Part Context

This part belongs to the SMT45A series of power inductors from Gowanda Electronics. The series offers various inductance values and configurations for surface mount applications. The manufacturer specializes in precision-engineered magnetic components for OEM electronics markets, providing both standard and custom solutions.

Arrays, Signal Transformers Replacement Considerations

Direct substitutes may include other models from the SMT45A series with different inductance values, such as SMT45A-201LF. Cross-brand replacements require careful verification of physical dimensions, pinout compatibility, and electrical characteristics to ensure circuit integrity.