TTC-5018

Overview

The Tamura TTC-5018 is a voice and modem line transformer optimized for high-speed modem applications. It operates within a frequency range of 300Hz to 4kHz. The device features a primary impedance of 600 Ohms and a secondary impedance of 600 Ohms, providing a 1:1 impedance ratio. It supports a 1500 Vrms high-potential test voltage between primary and secondary windings. The component is approved to UL1950 3rd Edition standards and is available in PCMCIA packages with through-hole PC pin termination.

Feature Summary

• Optimized for high-speed modem applications
• Provides maximum power transfer during matching impedance operation
• Approved to UL1950 3rd Edition safety standards

Applications

• High-speed modem coupling
• Voice line interfacing
• Telecommunications signal transformation

Procurement Notes

Verify the specific package variant and termination style against the official datasheet before procurement. Confirm that the selected unit meets the required UL1950 certification and impedance specifications for your circuit design. Ensure compatibility with the intended PCB layout and thermal requirements.

Selection Notes

Select this component when a 600:600 Ohm impedance match is required for voice or modem lines. Consider the 300Hz to 4kHz frequency response and 1500 Vrms isolation rating as critical parameters. Verify availability of the PCMCIA package format if space constraints are a factor.

Part Context

The TTC-5018 belongs to Tamura's TTC series of transformers, designed for high-quality performance in telecommunications. This series focuses on achieving maximum power transfer during impedance matching operations. The component serves as a key element in voice and modem line circuits requiring reliable signal coupling.

Replacement Considerations

Consult Tamura Design Staff for complete designs and potential substitutes. No direct public substitute part numbers are confirmed in available documentation.