TTC-231

Description：XFMR 600 / 1.2KCT 600/600
Series：TTC
Mfr：Tamura
Package：-

SKU:fa68120168a1 Category: Audio Transformers Brand: Tamura

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Product introduction

Product Detailed Parameters

Description：XFMR 600 / 1.2KCT 600/600
Series：TTC
Mfr：Tamura
Package：-
Mounting Type：-
Size / Dimension：-
Height - Seated (Max)：-
Termination Style：-
Turns Ratio - Primary:Secondary：0.659:1
Impedance - Primary (Ohms)：600
Impedance - Secondary (Ohms)：1.2kCT, 600/600
DC Resistance (DCR) - Primary：75Ohm
DC Resistance (DCR) - Secondary：170Ohm
Transformer Type：-
Frequency Range：300Hz ~ 3.5kHz
Frequency Response：±0.5dB
Voltage - Isolation：1500VRMS @ 1 Minute
Insertion Loss：1.7dB Max @ 1kHz
Return Loss：14dB Min @ 1kHz
Power Level：-45dB ~ 10dB
Operating Temperature：-
Approval Agency：-

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TTC-231

Overview

The Tamura TTC-231 is a telecommunications coupling transformer designed for audio frequency applications. It features a primary impedance of 75 Ohms and a secondary impedance of 600 Ohms, with a turns ratio of 0.659:1. The device operates within a frequency range of 300Hz to 3.5kHz. Key electrical specifications include a primary DC resistance (DCR) of 170 Ohms and a secondary DCR of 170 Ohms. The component utilizes a five-terminal configuration with PC pin through-hole mounting technology.

Feature Summary

Designed as a telecommunications coupling transformer for audio frequency signal transmission
Utilizes a five-terminal configuration with PC pin through-hole mounting technology
Operates within the standard audio frequency range of 300Hz to 3.5kHz

Applications

Telecommunications signal coupling
Audio frequency circuit interfacing
Modem transformer applications

Procurement Notes

Verify the specific datasheet version provided by the manufacturer or authorized distributor to confirm RoHS compliance status and exact terminal dimensions. Ensure that the procurement channel is an authorized source to guarantee component authenticity and traceability. Cross-reference the part number against official Tamura documentation to confirm compatibility with the intended PCB layout and thermal requirements before finalizing orders.

Selection Notes

Select this component when a 75 Ohm primary to 600 Ohm secondary impedance transformation is required for audio band signals. The choice is appropriate for designs necessitating a 0.659:1 turns ratio and through-hole mounting. Consider the 170 Ohm DC resistance limits and the 300Hz to 3.5kHz operational bandwidth when evaluating suitability for specific telecommunication or audio interface circuits.

Part Context

The TTC-231 belongs to Tamura's series of audio transformers and signal transformers. These components are engineered for reliable performance in telecommunications environments. The product line typically includes various impedance configurations and mounting styles to support diverse circuit design requirements for audio and data signal processing applications.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with alternative models by matching primary/secondary impedances, turns ratios, and physical mounting constraints against official Tamura replacement lists or distributor cross-reference guides.