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Product Detailed Parameters
- Description：AUDIO XFMR 600CT / 600CT TH
- Series：TTC
- Mfr：Tamura
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.799" L x 0.689" W (20.30mm x 17.50mm)
- Height - Seated (Max)：0.752" (19.10mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600CT
- Impedance - Secondary (Ohms)：600CT
- DC Resistance (DCR) - Primary：44Ohm
- DC Resistance (DCR) - Secondary：56Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 3.5kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：1500VRMS @ 1 Minute
- Insertion Loss：1.4dB Max @ 1kHz
- Return Loss：-
- Power Level：-45dB ~ 7dB
- Operating Temperature：-
- Approval Agency：CSA-C22.2 No. 66-M1988, UL1459
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Overview
The Tamura TTC-108 is a telecom audio transformer designed for modem applications. It features a 1:1 turns ratio with a primary impedance of 600CT and a secondary impedance of 600CT. The device operates within a frequency range of 300Hz to 3.5kHz. It utilizes a through-hole mounting style and contains six terminals for circuit integration. The component is RoHS compliant and belongs to the TTC series, serving as a signal coupling element in telecommunications infrastructure.
Feature Summary
- Provides electrical isolation and impedance matching between modem circuits
- Supports standard telephone line frequencies for clear signal transmission
- Designed for robust performance in telecommunications environments
Applications
- Modem signal coupling
- Telecommunications equipment
- Telephone line interface circuits
Procurement Notes
Verify the specific datasheet version to confirm terminal configuration and physical dimensions. Ensure compatibility with existing PCB layouts regarding through-hole spacing. Confirm RoHS compliance status if required by project specifications. Cross-reference part numbers with authorized distributors to avoid counterfeit components.
Selection Notes
Select this component when a 1:1 ratio transformer is required for standard telephone line applications. Consider the 600CT impedance match for legacy telecom systems. Evaluate the through-hole package constraints against available board space. Verify frequency response requirements align with the 300Hz to 3.5kHz operational range.
Part Context
The TTC-108 belongs to Tamura's TTC series of audio and signal transformers. This series focuses on providing reliable signal coupling for telecommunications devices. The component addresses the need for impedance transformation and noise reduction in voice band applications.
Replacement Considerations
Consult official manufacturer substitution lists for verified equivalents. Generic replacements may not match the precise impedance characteristics or frequency response required for modem interfaces.
FAQ
What is the primary impedance specification?
The primary impedance is specified as 600CT.
Does the component support through-hole mounting?
Yes, the TTC-108 is designed for through-hole installation.
