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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 301 TH
- Series：TTC
- Mfr：Tamura
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.886" L x 0.909" W (22.50mm x 23.10mm)
- Height - Seated (Max)：0.543" (13.80mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：301
- DC Resistance (DCR) - Primary：150Ohm
- DC Resistance (DCR) - Secondary：150Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：200Hz ~ 4kHz
- Frequency Response：±0.25dB
- Voltage - Isolation：1875VRMS @ 1 Second
- Insertion Loss：3.25dB Max @ 1kHz
- Return Loss：20dB Min @ 1kHz
- Power Level：-
- Operating Temperature：-
- Approval Agency：UL1950, UL60950, EN60950
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Overview
The Tamura TTC-5000 is a data and voice coupling transformer designed for modem applications. It operates within a frequency range of 200Hz to 4kHz with a frequency response of ±0.25dB. The component provides voltage isolation of 1875VRMS at 1 second. Maximum insertion loss is specified as 3.25dB at 1kHz.
Feature Summary
- Designed for data and voice coupling in telecommunications
- Optimized for high-speed modem applications including V.29, V.32, V.34, V.90, and V.92 standards
Applications
- V.29 Modem Applications
- V.32 Modem Applications
- V.34 Modem Applications
- V.90 Modem Applications
- V.92 Modem Applications
Procurement Notes
Verify the specific package type and termination style against the manufacturer's official datasheet before procurement. Confirm that the isolation voltage rating meets system safety requirements. Ensure compatibility with the intended modem protocol standards such as V.29 or V.90. Check for any specific handling instructions regarding moisture sensitivity if applicable to the manufacturing process.
Selection Notes
Select this component when a dedicated data and voice coupling transformer is required for standard modem interfaces. Consider the frequency range and insertion loss specifications relative to the signal integrity needs of the application. Evaluate the physical dimensions and termination style for PCB layout constraints. Verify compliance with relevant safety standards such as UL1950 if required by the end product design.
Part Context
The TTC-5000 belongs to Tamura's line of audio and signal transformers, specifically categorized under modem transformers. These components are engineered to provide impedance matching and isolation between modem circuits and telephone lines. The series supports various high-speed data transmission protocols commonly used in legacy and specialized communication equipment.
Replacement Considerations
Consult official Tamura documentation for direct substitutes. The TTC-5027 and TTC-5029 are related models in the same family but may have different impedance ratios or insertion loss characteristics. Do not assume interchangeability without verifying electrical parameters and pin configurations.
