TTC-142

Overview

The Tamura TTC-142 is a voice and modem line transformer designed for data and voice coupling applications. It supports V.29, V.32, V.34, V.90, and V.92 standards. The component features a through-hole PC pin termination style and operates within a frequency range of 300Hz to 3.5kHz. It provides an insertion loss of 1.9dB maximum at 1.8kHz. The device is housed in a high-density package suitable for compact circuit designs.

Feature Summary

• Supports multiple V.29, V.32, V.34, V.90, and V.92 modem standards
• Optimized for data and voice signal coupling
• High-density package design for space-constrained applications

Applications

• V.29 modem implementations
• V.32 and V.34 data transmission systems
• V.90 and V.92 voice/data modems
• Voice line coupling circuits

Procurement Notes

Verify the specific datasheet version for the TTC-142 model to confirm RoHS compliance status and exact mechanical dimensions. Ensure that the supplier documentation matches the required V.29/V.32/V.34/V.90/V.92 performance specifications. Cross-reference the insertion loss and frequency range parameters against the target application requirements before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring compatibility with legacy V-series modem protocols. The choice depends on the need for a high-density transformer solution for voice and data coupling. Consider the through-hole mounting requirement and the specific frequency response characteristics between 300Hz and 3.5kHz for optimal signal integrity in telecommunications equipment.

Part Context

The TTC-142 belongs to Tamura's series of audio and signal transformers, specifically categorized under telecom transformers. It is part of the broader family of modem transformers designed for robust signal transmission. This component serves as a critical interface element in telecommunication hardware, facilitating impedance matching and isolation between line interfaces and internal circuitry.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.