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MET-28-T is listed in the Audio Transformers range at ChipApex. The manufacturer field lists Triad Magnetics. Its product description is AUDIO XFMR 1K / 50 TH. Review the specifications below when checking this part for your BOM.
Audio Transformers specifications for MET-28-T
- Description：AUDIO XFMR 1K / 50 TH
- Series：MET
- Mfr：Triad Magnetics
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.409" L x 0.310" W (10.40mm x 7.87mm)
- Height - Seated (Max)：0.465" (11.80mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：4.47:1
- Impedance - Primary (Ohms)：1k
- Impedance - Secondary (Ohms)：50
- DC Resistance (DCR) - Primary：110Ohm
- DC Resistance (DCR) - Secondary：8Ohm
- Transformer Type：Data/Voice Coupling
- Frequency Range：300Hz ~ 100kHz
- Frequency Response：±2dB
- Voltage - Isolation：1000VRMS @ 1 Second
- Insertion Loss：-
- Return Loss：-
- Power Level：50mW
- Operating Temperature：-20°C ~ 85°C
- Approval Agency：-
Audio Transformers datasheet and documents for MET-28-T
Audio Transformers Overview
The Triad Magnetics MET-28-T is a through-hole audio transformer designed for data and voice applications. It features a primary impedance of 1k Ohms and a secondary impedance of 50 Ohms, resulting in a turns ratio of 4.47:1. The device supports a frequency range from 300Hz to 100kHz with a power rating of 50mW. It provides 1000VRMS isolation at one second and utilizes PC pin termination for PCB mounting.
Audio Transformers Feature Summary
- Provides precise impedance matching between 1k Ohm primary and 50 Ohm secondary circuits
- Ensures signal integrity across a 300Hz to 100kHz frequency bandwidth
- Delivers high electrical safety with 1000VRMS isolation capability
- Constructed for durability and precision in demanding audio designs
Audio Transformers Applications
- Data transmission line coupling
- Voice communication circuit interfacing
- Audio signal balancing and impedance transformation
Audio Transformers Procurement Notes
Verify the specific package variant and termination style against project requirements, as Triad may offer different suffixes for this series. Confirm that the 50mW power rating and 1000VRMS isolation specifications meet the safety and performance standards of the target application before finalizing procurement.
Audio Transformers Selection Notes
Select the MET-28-T when a 4.47:1 impedance transformation ratio is required between high-impedance sources and low-impedance loads. Ensure the operating environment stays within the specified 300Hz to 100kHz range. This component is suitable for through-hole assembly where compact size and reliable audio signal transfer are priorities.
Audio Transformers Part Context
The MET-28-T belongs to Triad Magnetics' high-reliability audio transformer lineup. These components are engineered to provide the durability and precision necessary for modern electronic designs. The series focuses on maintaining signal fidelity while offering robust electrical isolation for sensitive audio and data pathways.
Audio Transformers Replacement Considerations
Consult official Triad Magnetics documentation for direct cross-reference part numbers. Verify that any substitute maintains the 1k:50 Ohm impedance ratio and 300Hz-100kHz frequency response to ensure circuit compatibility.
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