TTC-109N

Description：AUDIO XFMR 600 / 600 TH
Series：TTC
Mfr：Tamura
Package：Bulk

SKU:f3a4bf1deb37 Category: Audio Transformers Brand: Tamura

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Product introduction

Product Detailed Parameters

Description：AUDIO XFMR 600 / 600 TH
Series：TTC
Mfr：Tamura
Package：Bulk
Mounting Type：Through Hole
Size / Dimension：0.823" L x 0.752" W (20.90mm x 19.10mm)
Height - Seated (Max)：0.630" (16.00mm)
Termination Style：PC Pin
Turns Ratio - Primary:Secondary：1:01
Impedance - Primary (Ohms)：600
Impedance - Secondary (Ohms)：600
DC Resistance (DCR) - Primary：71Ohm
DC Resistance (DCR) - Secondary：117Ohm
Transformer Type：Data/Voice Coupling
Frequency Range：660Hz ~ 3.5kHz
Frequency Response：-1dB ~ 0.7dB
Voltage - Isolation：1500VRMS @ 1 Minute
Insertion Loss：3dB Max @ 660Hz ~ 800Hz, 2.5dB Max @ 800Hz @ 3.5kHz
Return Loss：-
Power Level：-45dB ~ 10dB
Operating Temperature：-
Approval Agency：CSA-C22.2 No. 66-M1988, UL1862

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TTC-109N

Overview

The Tamura TTC-109N is a through-hole data and voice coupling transformer designed for telecommunications applications. It features a 1:1 turns ratio with primary and secondary impedances of 600 ohms each. The component operates within a frequency range of 660 Hz to 3.5 kHz, ensuring signal integrity for voice and modem lines. Key electrical specifications include a maximum operate current of 90 mA, a maximum power level of 10 dBm, and an isolation voltage of 1500 VRMS. Frequency response is specified between -1 dB and 0.7 dB.

Feature Summary

Provides galvanic isolation for balanced audio and data transmission lines
Supports standard 600-ohm impedance matching for telecom interfaces
Engineered for high-frequency stability across the voice band spectrum

Applications

Voice line coupling in telephone systems
Modem interface circuits
Telecommunications equipment input/output stages

Procurement Notes

Verify the specific manufacturer datasheet to confirm pinout configurations and mechanical dimensions prior to integration. Ensure that the selected component meets the required isolation voltage standards for your specific circuit environment. Cross-reference official documentation to validate compliance with relevant safety regulations and environmental directives applicable to your region.

Selection Notes

Select this component when designing circuits requiring precise 600-ohm impedance matching for balanced voice or data signals. Consider the 90 mA current rating and 1500 VRMS isolation capability as critical constraints for system safety and performance. Evaluate the through-hole package requirements against your PCB layout constraints and manufacturing processes.

Part Context

This component belongs to Tamura's portfolio of telecommunications transformers, specifically engineered for coupling applications in legacy and modern telecom infrastructure. It serves as a critical interface element for maintaining signal quality and electrical safety in voice and data transmission paths.