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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 600/600 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：01:00.7
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：600/600
- DC Resistance (DCR) - Primary：57Ohm
- DC Resistance (DCR) - Secondary：42Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 3.5kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：1500VRMS @ 1 Minute
- Insertion Loss：1.2dB Max @ 1kHz
- Return Loss：-
- Power Level：7dB
- Operating Temperature：-
- Approval Agency：CSA-C22.2 No. 66-M1988, UL1459
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Overview
The Tamura TTC-10 is a through-hole audio and signal transformer designed for telecom applications. It features a primary impedance of 600 ohms and dual secondary impedances of 600 ohms each. The device operates within a frequency range of 300Hz to 3.5kHz with a frequency response of ±0.5dB. Key electrical specifications include a primary DC resistance of 57 ohms, secondary DC resistance of 42 ohms, and an insertion loss of 1.2dB minimum at 1kHz. It provides 1500VRMS isolation for one minute and supports a power level of 7dB.
Feature Summary
- Provides galvanic isolation between circuit sections via magnetic coupling
- Supports standard telephone line impedance matching requirements
- Designed for reliable operation within voice band frequencies
Applications
- Telecom transformers in modem circuits
- Audio signal coupling in communication equipment
- Voice band signal processing systems
Procurement Notes
Verify the specific datasheet version for the TTC-10 to confirm compliance with current safety standards such as UL1459 and CSA-C22.2 No. 66-M1988. Ensure that the through-hole PC pin termination matches your PCB layout requirements. Cross-reference the physical dimensions of 20.30mm x 17.50mm with your enclosure constraints before finalizing procurement.
Selection Notes
Select the TTC-10 when designing circuits requiring 600-ohm impedance matching for voice-band signals. Consider its through-hole mounting style if surface space is limited or mechanical stability is prioritized. Evaluate the 1500VRMS isolation rating against your system's safety requirements. Confirm that the 300Hz to 3.5kHz frequency response aligns with your application's bandwidth needs.
Part Context
The TTC-10 belongs to Tamura's TTC series of audio and signal transformers. This series includes various models tailored for different telecom and data transmission applications. The component is categorized under telecommunications transformers, emphasizing its role in maintaining signal integrity across isolated network segments.
Replacement Considerations
TTC-02 and TTC-108 are alternative models within the same series offering similar 600-ohm impedance configurations but may differ in DC resistance values and packaging quantities.
