TTC-272N

$2.02

Description：MODEM TRANSFORMERS
Series：-
Mfr：Tamura
Package：Bulk

SKU:32ca06e375cc Category: Audio Transformers Brand: Tamura

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Product introduction

Product Detailed Parameters

Description：MODEM TRANSFORMERS
Series：-
Mfr：Tamura
Package：Bulk
Mounting Type：Through Hole
Size / Dimension：0.780" L x 0.654" W (19.80mm x 16.60mm)
Height - Seated (Max)：0.500" (12.70mm)
Termination Style：PC Pin
Turns Ratio - Primary:Secondary：-
Impedance - Primary (Ohms)：600
Impedance - Secondary (Ohms)：600
DC Resistance (DCR) - Primary：46Ohm
DC Resistance (DCR) - Secondary：63Ohm
Transformer Type：Audio Coupling
Frequency Range：300Hz ~ 3.5kHz
Frequency Response：±0.5dB
Voltage - Isolation：1500V
Insertion Loss：1dB
Return Loss：26dB
Power Level：-45dB ~ 7dB
Operating Temperature：-
Approval Agency：CSA, UR

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TTC-272N

Overview

The Tamura TTC-272N is a telecom audio transformer designed for through-hole mounting. It features a primary impedance of 600 Ohms and a secondary impedance of 600 Ohms. The device operates within a frequency range of 300 Hz to 3.5 kHz and supports an operating level from -45 dBm to +7 dBm. Physical dimensions are 19.80 mm in length by 16.60 mm in width.

Feature Summary

Designed for telecommunications applications with specific impedance matching
Supports wide dynamic operating levels for signal integrity
Utilizes through-hole terminal connections for secure board integration

Applications

Telecommunications line interface circuits
Audio signal transmission systems
Impedance matching in telephony equipment

Procurement Notes

Verify the exact secondary impedance specification against the manufacturer's datasheet, as variations exist within the TTC series. Confirm package type and pin configuration match the target PCB layout. Ensure the operating temperature range meets system requirements. Cross-reference part numbers to avoid confusion with similar models like TTC-264 or TTC-243 which may have different electrical characteristics.

Selection Notes

Select this component when a 600-ohm to 600-ohm isolation transformer is required for analog audio signals in telecom environments. Consider the physical size constraints and through-hole assembly process. Evaluate the frequency response range to ensure compatibility with the intended signal bandwidth. Verify power handling capabilities align with the circuit's operational levels.

Part Context

This component belongs to the Tamura TTC series of audio transformers, specifically engineered for telephone and telecom applications. These devices provide galvanic isolation and impedance transformation between circuit stages. The series includes various models tailored for different impedance ratios and form factors, serving critical roles in voice communication hardware.