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Product Detailed Parameters
- Description：AUDIO XFMR 600 / 600 TH
- Series：TTC
- Mfr：Tamura
- Package：Tube
- Mounting Type：Through Hole
- Size / Dimension：0.528" L x 0.512" W (13.40mm x 13.00mm)
- Height - Seated (Max)：0.421" (10.70mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：47Ohm
- DC Resistance (DCR) - Secondary：61Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 3.5kHz
- Frequency Response：±0.5dB
- Voltage - Isolation：1500VRMS @ 1 Minute
- Insertion Loss：1.5dB Max @ 1kHz
- Return Loss：-
- Power Level：-
- Operating Temperature：0°C ~ 70°C
- Approval Agency：CSA-C22.2 No. 66-M1988, UL1459
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Overview
The TTC-170 is a through-hole audio transformer manufactured by Tamura, designed for signal coupling applications. It features a 1:1 turns ratio with primary and secondary impedances of 600 Ohms each. The device operates within a frequency range of 300Hz to 3.5kHz. Physical dimensions are approximately 13.40mm in length and 13.00mm in width. The component supports an operating temperature range of 0°C to 70°C and is supplied in bulk packaging.
Feature Summary
- Provides electrical isolation and impedance matching between circuits via a 1:1 transformer configuration.
- Supports audio frequency signal transmission within the specified bandwidth.
- Designed for reliable through-hole mounting on printed circuit boards.
Applications
- Modem signal coupling
- Audio line interfacing
- Telecommunications equipment
Procurement Notes
Verify the specific datasheet version when sourcing, as manufacturer records indicate potential discontinuation status for certain variants within the TTC series. Confirm that the required impedance matches the 600 Ohm specification. Ensure the through-hole package dimensions align with the target PCB footprint constraints before finalizing procurement decisions.
Selection Notes
Select this component when a 600 Ohm to 600 Ohm impedance match is required for audio or modem signals. The 300Hz to 3.5kHz frequency response defines its suitability for voice-band applications. Consider the physical size and through-hole requirement during the mechanical design phase to ensure proper board layout integration.
Part Context
This part belongs to Tamura's TTC series of audio transformers. These components are specialized for telecommunications and data communication interfaces. The series typically includes various impedance configurations, with the TTC-170 specifically addressing standard 600 Ohm line requirements for balanced signal transmission.
Replacement Considerations
Consult official Tamura documentation for direct substitutes. The TTC-170-2 is listed in related specifications but requires verification of identical electrical parameters before use as a drop-in replacement.
