TTC-5033

Overview

The Tamura TTC-5033 is a surface-mount audio transformer designed for data and audio coupling applications. It features a 1:1 turns ratio with primary and secondary impedances of 10k Ohms each. The device exhibits a DC resistance of 485 Ohms on both the primary and secondary sides. It provides an isolation voltage of 1875VRMS at 1 second. The component operates within a temperature range of -20°C to 85°C and measures 9.60mm x 12.50mm x 7.60mm maximum height. It utilizes flat lead termination and holds UL60950 and EN60950 certifications.

Feature Summary

• Surface mount construction for automated assembly
• Balanced 10k Ohm impedance matching for signal integrity
• High isolation voltage capability for safety compliance
• Certified for industrial and commercial equipment standards

Applications

• Voice and modem line interfacing
• Data transmission signal coupling
• Audio circuit isolation

Procurement Notes

Verify the specific suffix designation, such as 'H', which indicates safety agency approved family classification when sourcing this component. Confirm that the manufacturer is Tamura Corporation of America, as some listings may reference Talema due to corporate history. Ensure the requested quantity aligns with the reel packaging format typically associated with this series. Check current product status as availability may vary across distributors.

Selection Notes

Select this model when a 1:1 impedance transformation between 10k Ohm lines is required in a compact surface-mount footprint. Consider the 485 Ohm DC resistance limits for low-frequency response requirements. Evaluate the 1875VRMS isolation rating against system safety standards. The operating temperature range supports standard commercial and industrial environments without requiring specialized thermal management.

Part Context

The TTC-5033 belongs to the Tamura TTC series of high-quality transformers designed for maximum power transfer during matching impedance operations. This series includes various configurations for voice and modem applications. The component is classified under telecom and audio signal transformers, serving as a critical interface element in telecommunications hardware where balanced line coupling is necessary.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing PCB footprints if considering alternative manufacturers. Ensure replacement components match the 10k:10k impedance ratio and physical dimensions of 9.60mm x 12.50mm.