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Product Detailed Parameters
- Description：AUDIO XFMR
- Series：TTC
- Mfr：Tamura
- Package：Bulk
- Mounting Type：-
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：-
- Turns Ratio - Primary:Secondary：-
- Impedance - Primary (Ohms)：-
- Impedance - Secondary (Ohms)：-
- DC Resistance (DCR) - Primary：-
- DC Resistance (DCR) - Secondary：-
- Transformer Type：-
- Frequency Range：-
- Frequency Response：-
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：-
- Operating Temperature：-
- Approval Agency：-
Download product information
Overview
The Tamura TTC-112 is a telecommunications transformer designed for modem and voice applications. It features a primary impedance of 600 Ohms and a secondary impedance of 900 Ohms, providing an appropriate impedance transformation ratio for standard telephony circuits. The component is specified with a DC resistance (DCR) of 0.0 MADC, indicating negligible direct current path characteristics suitable for signal coupling. This audio transformer facilitates efficient signal transfer between network lines and terminal equipment while maintaining electrical isolation.
Feature Summary
- Provides impedance matching between 600 Ohm primary and 900 Ohm secondary sides
- Designed for telecommunications and modem signal coupling applications
- Ensures electrical isolation between circuit sections
Applications
- Telecommunications line interface circuits
- Modem signal processing stages
- Voice frequency transmission systems
Procurement Notes
Verify the specific datasheet version and mechanical dimensions prior to procurement, as manufacturer specifications may undergo revisions. Confirm that the component meets all required regulatory standards for the target market. Ensure compatibility with existing PCB layouts by checking pin configurations and mounting requirements against the official technical documentation provided by Tamura.
Selection Notes
Select the TTC-112 when a 600:900 Ohm impedance transformation is required in telephony or modem designs. Consider this component for applications needing reliable signal coupling with minimal distortion. Evaluate thermal performance and physical size constraints to ensure it fits within the system's enclosure and operational temperature range without compromising signal integrity.
Part Context
The TTC series from Tamura comprises various audio and signal transformers tailored for communication equipment. These components are engineered to meet stringent industry standards for reliability and performance in harsh environments. The TTC-112 represents a specific variant optimized for particular impedance ratios, serving as a critical passive element in analog signal paths.
Replacement Considerations
Consult official Tamura documentation for cross-reference data. Verify that any substitute component matches the 600:900 Ohm impedance ratio and physical footprint. Ensure equivalent electrical characteristics such as insertion loss and return loss are maintained to prevent signal degradation in the application.
