TTC-108N

Overview

The Tamura TTC-108N is a telecommunications modem transformer designed for dry coupling applications. It features a 1:1 turns ratio with primary and secondary impedances of 600CT ohms. The component exhibits a DC resistance of 44 ohms on the primary side and 56 ohms on the secondary side. It operates within a frequency range of 300 Hz to 3.5 kHz, maintaining a frequency response of ±0.5 dB. The device utilizes a through-hole PC pin package with six terminals and measures 18.7 mm in height.

Feature Summary

• Provides galvanic isolation for telephone line signal transmission
• Supports standard 600-ohm telecommunication circuit impedance matching
• Engineered for stable performance across voice band frequencies

Applications

• Telephone exchange equipment
• Public switched telephone network (PSTN) interfaces
• Voice communication modems

Procurement Notes

Verify that the specific part number matches the required impedance and physical dimensions for your design. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure the supplier provides valid traceability records for quality assurance purposes.

Selection Notes

Select this component when designing circuits requiring 600CT impedance transformation for analog voice signals. Consider the through-hole mounting style and terminal count during PCB layout planning. Validate that the operating temperature range meets your environmental requirements.

Part Context

This component belongs to the Tamura TTC series of audio and signal transformers. These devices are specialized for telecom infrastructure, offering reliable signal coupling between different circuit stages while maintaining electrical isolation.

Replacement Considerations

Consult official cross-reference lists from Tamura or authorized distributors for verified substitutes. Ensure any alternative maintains identical impedance ratios and physical footprint compatibility.