TTC-110

Overview

The Tamura TTC-110 is a through-hole audio transformer designed for data and voice coupling applications. It features a primary impedance of 600 Ohms and dual secondary impedances of 600 Ohms each, with a turns ratio of 1:1.033. The device operates within a frequency range of 300Hz to 3.5kHz, maintaining a frequency response of ±0.5dB. Electrical characteristics include a primary DC resistance of 57 Ohms and a secondary DC resistance of 42 Ohms. It provides 1500VRMS isolation at 1 minute and exhibits an insertion loss of 1.2dB minimum at 1kHz. The component measures 20.30mm x 16.50mm with a maximum height of 19.10mm.

Feature Summary

• Designed for telephone coupling and voice/data transmission circuits
• Provides electrical isolation between circuit sections
• Supports standard telecommunication impedance matching

Applications

• Telephone line coupling
• Voice communication systems
• Data transmission interfaces

Procurement Notes

Verify the specific datasheet version and manufacturer documentation to confirm current specifications. Ensure compatibility with existing circuit designs regarding impedance and physical dimensions. Check for any recent regulatory updates or certification changes relevant to the application environment before finalizing procurement decisions.

Selection Notes

Select this component when a 600-ohm audio transformer is required for telephone or voice applications. Consider the through-hole mounting style and specific physical footprint constraints. Evaluate the frequency response and isolation requirements against system specifications to ensure proper signal integrity and safety compliance.

Part Context

The TTC-110 belongs to the family of audio transformers manufactured by Tamura Corporation. These components are specialized for telecommunications and audio coupling tasks. The series includes various models with different impedance ratios and physical sizes to suit diverse circuit design requirements in professional audio and telecom equipment.

Replacement Considerations

The TTC-10 is a related model from the same manufacturer but features a different turns ratio of 1:0.736 compared to the TTC-110's 1:1.033. Verify that the impedance transformation characteristics match the specific circuit requirements before substituting one for the other.