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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 346 SMD
- Series：TTC
- Mfr：Tamura
- Package：Bulk
- Mounting Type：Surface Mount
- Size / Dimension：0.330" L x 0.402" W (8.38mm x 10.20mm)
- Height - Seated (Max)：0.164" (4.16mm)
- Termination Style：Gull Wing
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：346
- DC Resistance (DCR) - Primary：127Ohm
- DC Resistance (DCR) - Secondary：150Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 3.5kHz
- Frequency Response：-0.35dB ~ 0.15dB
- Voltage - Isolation：1000VRMS @ 1 Minute
- Insertion Loss：2.7dB @ 1kHz
- Return Loss：25dB Min @ 300Hz ~ 3.5kHz
- Power Level：10mW
- Operating Temperature：-
- Approval Agency：CSA-C22.2 No. 950-M89, UL1459, UL1950
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Overview
The TTC-103SL is a surface-mount audio transformer manufactured by Tamura, designed for data and voice coupling applications. It features a primary impedance of 600 Ohms and a secondary impedance of 346 Ohms with a 1:1 turns ratio. The component operates within a frequency range of 300Hz to 3.5kHz and exhibits an insertion loss of 2.7dB. It is housed in a compact package suitable for PCMCIA modem implementations.
Feature Summary
- Provides galvanic isolation between data and voice lines
- Optimized for high-fidelity audio signal transmission
- Designed for reliable performance in telecommunications environments
Applications
- PCMCIA modem circuits
- Telecommunications equipment
- Data/voice line coupling
Procurement Notes
Verify the specific manufacturer part number against official Tamura documentation to ensure compatibility with design requirements. Confirm that the component meets all necessary regulatory standards for the intended market. Check for any obsolescence notices or lifecycle status updates from the manufacturer before finalizing procurement plans.
Selection Notes
Select this component when a 600 Ohm to 346 Ohm impedance transformation is required for audio signals. Ensure the operating frequency range of 300Hz to 3.5kHz aligns with the system's bandwidth needs. Consider the surface-mount form factor for PCB layout constraints and verify insertion loss specifications meet signal integrity requirements.
Part Context
This transformer belongs to Tamura's TTC series, which focuses on audio and data coupling solutions. It is specifically engineered for telecommunications applications requiring precise impedance matching and signal isolation. The component supports lead-free manufacturing processes, adhering to environmental compliance standards for modern electronics production.
FAQ
What is the primary impedance of the TTC-103SL?
The primary impedance is 600 Ohms.
Does the TTC-103SL support lead-free soldering?
Yes, the component is lead-free and RoHS compliant.
