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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 600 TH
- Series：TTC
- Mfr：Tamura
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.799" L x 1.201" W (20.30mm x 30.50mm)
- Height - Seated (Max)：0.500" (12.70mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：01:01.0
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：75Ohm
- DC Resistance (DCR) - Secondary：100Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 3.5kHz
- Frequency Response：-2dB ~ 0.2dB
- Voltage - Isolation：1500VRMS @ 1 Minute
- Insertion Loss：1.7dB Max @ 1.8kHz
- Return Loss：14dB Min @ 1.8kHz
- Power Level：-45dB ~ 10dB
- Operating Temperature：-
- Approval Agency：CSA-C22.2 No. 66-M1988, UL1863
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Overview
The Tamura TTC-143 is a telecommunications modem transformer designed for signal transmission applications. It features a primary impedance of 75 Ohms and a secondary DC resistance of 100 Ohms. The component utilizes a 1:1.04 turns ratio and supports four-terminal configuration via PC pin through-hole mounting. This audio/signal transformer facilitates efficient data transfer in modem circuits with specified insertion loss characteristics.
Feature Summary
- Designed for telecommunications modem signal transformation
- Supports 75 Ohm primary impedance matching
- Utilizes through-hole PC pin mounting style
Applications
- Telecommunications modem circuitry
- Signal transmission interfaces
- Audio signal processing systems
Procurement Notes
Verify the specific datasheet version to confirm electrical tolerances and mechanical dimensions prior to integration. Ensure compatibility with existing PCB footprint requirements. Confirm RoHS compliance status if environmental regulations apply to the final assembly. Cross-reference terminal configurations to match system interface needs.
Selection Notes
Select this component when a 75 Ohm primary impedance is required for modem applications. Consider the 100 Ohm secondary DC resistance for circuit design calculations. Evaluate the through-hole mounting option against available board space and assembly methods. Verify frequency response requirements align with the transformer's operational range.
Part Context
This part belongs to Tamura's line of audio and signal transformers, specifically categorized under telecommunications components. It serves as a specialized solution for modem isolation and impedance matching within communication hardware systems.
Replacement Considerations
Public confirmed substitute part numbers are not available in the provided documentation. Consult official Tamura resources for direct equivalents or functional alternatives.
FAQ
Is the TTC-143 RoHS compliant?
Yes, the TTC-143 is RoHS compliant.
What is the primary impedance of the TTC-143?
The primary impedance is 75 Ohms.
