TTC-5017

Overview

The Tamura TTC-5017 is a telecommunications audio transformer designed for signal transmission applications. It features a 1:1 turn ratio with primary and secondary impedances of 600 ohms each. The device operates within a frequency range of 200Hz to 4kHz. Key electrical specifications include a maximum insertion loss of 1.5dB at 1kHz and a minimum return loss of 14dB across the operating band. Isolation voltage is rated at 1875VRMS for one second. The component utilizes through-hole mounting technology.

Feature Summary

• Provides galvanic isolation for telecommunication signal paths
• Maintains impedance matching between 600-ohm lines
• Supports standard audio frequency bandwidth requirements

Applications

• Telecommunications line interface circuits
• Modem signal processing stages
• Audio signal transmission systems

Procurement Notes

Verify component authenticity through authorized Tamura distributors or certified suppliers. Confirm datasheet revision status matches application requirements. Check for specific ordering suffixes that may indicate packaging variations or environmental compliance certifications. Ensure storage conditions align with manufacturer guidelines to maintain performance integrity prior to assembly.

Selection Notes

Select this component when 600-ohm impedance matching is required for balanced audio or telecom signals. Consider the 200Hz to 4kHz bandwidth limitation for voice-grade applications. Evaluate the 1.5dB insertion loss against system gain budgets. Verify through-hole package compatibility with existing PCB layouts and assembly processes compared to surface-mount alternatives.

Part Context

This part belongs to Tamura's audio and signal transformer portfolio, specifically targeting telecommunications infrastructure. It serves as a passive magnetic component for balancing and isolating signals in traditional telephone networks and modem interfaces. The series supports legacy and modern hybrid systems requiring standardized impedance transformation.

Replacement Considerations

Direct substitutes must match 600:600 ohm impedance, 1:1 ratio, and similar insertion loss specs. Verify pinout compatibility and mechanical dimensions before substitution. Consult official Tamura cross-reference lists for approved equivalents.