SP-49-B

Overview

The Triad Magnetics SP-49-B is a miniature audio transformer designed for impedance matching applications. It features an encapsulated epoxy case with gold-plated leads and operates within a frequency range of 300 Hz to 100 kHz. The component has a primary impedance of 600 Ohms and a secondary impedance configuration of 1:1.42. It supports through-hole mounting and provides an isolation voltage of 1 kV.

Feature Summary

• Encapsulated epoxy construction for durability
• Gold-plated leads for reliable connections
• High reliability design suitable for demanding environments

Applications

• Impedance matching in audio circuits
• Signal coupling in high-reliability systems
• Audio equipment interfacing

Procurement Notes

Verify the specific suffix 'B' against official Triad Magnetics documentation to confirm exact electrical characteristics, as suffixes may denote variations in packaging or minor specifications. Ensure compatibility with existing PCB layouts and thermal requirements before procurement.

Selection Notes

Select this component when a robust, encapsulated audio transformer with gold-plated leads is required. Consider its 300 Hz to 100 kHz frequency response and 600 Ohm primary impedance for appropriate circuit integration. Verify mechanical dimensions for through-hole mounting constraints.

Part Context

The SP-49-B belongs to Triad Magnetics' Red Spec series, known for high reliability and precision in audio transformers. This series is often utilized in military and aerospace applications due to its durability and consistent performance under demanding conditions.

Replacement Considerations

Direct substitutes include other Triad Magnetics models from the Red Spec series with similar impedance ratios and encapsulation types. Cross-reference with manufacturer datasheets to ensure equivalent frequency response and mounting compatibility.