TY-311P

Overview

The Triad Magnetics TY-311P is a data and audio coupling transformer designed for telecommunications applications. It features a primary impedance of 600 ohms and a secondary impedance of 600 ohms with a turns ratio of 1:1.05. The device operates within a frequency range of 300Hz to 3.5kHz, maintaining a frequency response of ±0.5dB. Electrical specifications include a primary DC resistance of 38 ohms and a secondary DC resistance of 53 ohms. It provides 1500VAC isolation and supports a power level from -45dB to 7dB. The component utilizes through-hole mounting with PC pin termination.

Feature Summary

• Designed for voice and data coupling in telecommunications systems
• Provides high voltage isolation between primary and secondary circuits
• Optimized for standard telephone line impedance matching

Applications

• Telecommunications access lines
• Leased private line interfaces
• Dial-up switched network equipment

Procurement Notes

Verify the manufacturer part number against official Triad Magnetics documentation to ensure correct specification alignment. Confirm that the required impedance and isolation ratings match the system design requirements. Check for RoHS compliance status if environmental regulations apply to the specific manufacturing batch. Ensure the through-hole package dimensions fit the intended PCB layout constraints before finalizing procurement.

Selection Notes

Select this component when designing circuits requiring balanced audio or data transmission over standard telephone lines. The 600-ohm impedance matches traditional telephony standards. Consider the physical size and through-hole mounting method during mechanical design. Evaluate the operating temperature range to ensure reliability under expected environmental conditions. Verify compatibility with existing signal processing stages regarding insertion loss characteristics.

Part Context

The TY series represents Triad Magnetics' line of telecommunications transformers. These components are engineered specifically for voice and data applications in the telecom sector. The TY-311P falls within this category, focusing on reliable signal coupling for standard network infrastructure. It serves as a passive interface element between different circuit stages in communication hardware.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.