MET-44

$7.08

Description：AUDIO XFMR 300CT / 12 TH
Series：MET
Mfr：Tamura
Package：Tube

SKU:1f730ef9e9a1 Category: Audio Transformers Brand: Tamura

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Product introduction

MET-44 is listed in the Audio Transformers range at ChipApex. The manufacturer field lists Tamura. Its product description is AUDIO XFMR 300CT / 12 TH. Review the specifications below when checking this part for your BOM.

Audio Transformers specifications for MET-44

Description：AUDIO XFMR 300CT / 12 TH
Series：MET
Mfr：Tamura
Package：Tube
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：5.07:1
Impedance - Primary (Ohms)：300CT
Impedance - Secondary (Ohms)：12
DC Resistance (DCR) - Primary：42Ohm
DC Resistance (DCR) - Secondary：3.4Ohm
Transformer Type：Data/Voice Coupling
Frequency Range：300Hz ~ 100kHz
Frequency Response：±2dB
Voltage - Isolation：500VRMS @ 30 Seconds
Insertion Loss：-
Return Loss：-
Power Level：40mW
Operating Temperature：-20°C ~ 85°C
Approval Agency：-

Audio Transformers datasheet and documents for MET-44

MET-44

Audio Transformers Overview

The Tamura MET-44 is a through-hole audio transformer designed for data and signal coupling applications. It features a primary impedance of 300CT ohms and a secondary impedance of 12 ohms, with a turns ratio of 5.07:1. The device operates within a frequency range of 300Hz to 100kHz and supports an isolation voltage of 500VRMS. Key electrical specifications include a primary DC resistance of 42 ohms and a secondary DC resistance of 3.4 ohms. The component is rated for a power level of 40mW and functions within a temperature range of -20°C to 85°C.

Audio Transformers Feature Summary

Provides galvanic isolation for audio and signal transmission circuits
Supports center-tapped primary winding configuration for balanced signaling
Engineered for high-frequency response stability across the audio spectrum

Audio Transformers Applications

Audio signal coupling in communication equipment
Data line isolation for digital interfaces
Voice channel balancing in telephony systems

Audio Transformers Procurement Notes

Verify the specific datasheet version when sourcing, as manufacturing locations or minor packaging details may vary between distributors. Confirm that the required center-tapped primary configuration aligns with the circuit design requirements before finalizing procurement orders. Ensure compliance with RoHS standards if environmental regulations apply to the end product assembly process.

Audio Transformers Selection Notes

Select this component when a 300CT to 12 ohm impedance transformation is required for audio or data lines. Consider the 500V isolation rating for safety-critical signal paths. Evaluate the physical dimensions against PCB layout constraints, noting the through-hole mounting style and maximum height restrictions for dense assembly environments.

Audio Transformers Part Context

The MET-44 belongs to Tamura's MET series of audio transformers, which are widely used in telecommunications and industrial control systems. This series emphasizes reliability and consistent performance in signal transmission tasks. The component serves as a passive interface element, ensuring signal integrity while providing necessary electrical isolation between different circuit stages.