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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 530 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)：530
- DC Resistance (DCR) - Primary：46Ohm
- DC Resistance (DCR) - Secondary：45Ohm
- Transformer Type：-
- Frequency Range：200Hz ~ 4kHz
- Frequency Response：±0.25dB
- Voltage - Isolation：1875VRMS @ 1 Second
- Insertion Loss：1dB Max @ 1kHz
- Return Loss：20dB Min @ 1kHz
- Power Level：-
- Operating Temperature：-
- Approval Agency：UL1950, UL60950, EN60950
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Overview
The Tamura TTC-5009 is a telecommunications audio transformer designed for signal coupling applications. It features a primary impedance of 600 ohms and a secondary impedance of 530 ohms. The device operates within a frequency range of 200 Hz to 4 kHz with a maximum insertion loss of 1 dB at 1 kHz. Total harmonic distortion is specified at -78 dB maximum at 600 Hz and -10 dBm. The component utilizes PC pin termination and has a physical size of 17.00 mm x 17.00 mm.
Feature Summary
- Provides galvanic isolation between circuit stages via transformer coupling
- Optimized for low total harmonic distortion in audio frequency bands
- Designed for standard printed circuit board mounting using PC pins
Applications
- Telecommunications line interface circuits
- Audio signal processing equipment
- Modem input/output stages
Procurement Notes
Verify the specific impedance ratio (600:530) against design requirements, as variations exist within the TTC series. Confirm that the 17.00 mm footprint matches the PCB layout. Ensure the 1875 VRMS isolation rating meets safety standards for the target application environment. Check for moisture sensitivity level compliance if reflow soldering is required.
Selection Notes
Select this component when a 600-ohm primary side is required for standard telephony interfaces. Consider the 530-ohm secondary match for specific load impedances. Evaluate the 1 dB insertion loss budget for signal integrity. Compare against the TTC-5012 if a symmetrical 600:600 configuration is needed instead.
Part Context
The TTC-5009 belongs to Tamura's line of modem and audio transformers. These components are engineered for reliable performance in voice-grade communication systems. The series supports various impedance configurations to accommodate different network topologies and legacy telephony standards.
Replacement Considerations
The TTC-5012 is a documented alternative offering a 600:600 ohm ratio. Verify compatibility if the secondary load differs from 530 ohms. No other direct substitutes are confirmed in public documentation.
