107D

Description：AUDIO XFMR 150CT / 150CT TH
Series：107
Mfr：Hammond Manufacturing
Package：Bulk

SKU:aa1ba37dda5c Category: Audio Transformers Brand: Hammond Manufacturing

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Product introduction

Product Detailed Parameters

Description：AUDIO XFMR 150CT / 150CT TH
Series：107
Mfr：Hammond Manufacturing
Package：Bulk
Mounting Type：Through Hole
Size / Dimension：0.630" L x 0.586" W (16.00mm x 14.88mm)
Height - Seated (Max)：0.630" (16.00mm)
Termination Style：PC Pin
Turns Ratio - Primary:Secondary：1:01
Impedance - Primary (Ohms)：150CT
Impedance - Secondary (Ohms)：150CT
DC Resistance (DCR) - Primary：22Ohm
DC Resistance (DCR) - Secondary：27Ohm
Transformer Type：Miniature Epoxy Potted
Frequency Range：300Hz ~ 50kHz
Frequency Response：±1.5dB
Voltage - Isolation：100VRMS
Insertion Loss：-
Return Loss：-
Power Level：150mW
Operating Temperature：-
Approval Agency：-

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107D

Overview

The Hammond Manufacturing 107D is a miniature audio transformer designed for printed circuit board mounting. It features an epoxy-potted molded case with pin-type terminals having a minimum length of 0.187 inches. The component supports a power rating of 150 milliwatts and operates within a frequency range of 300 Hz to 50 KHz, maintaining a tolerance of +/- 1.5 dB. This design facilitates integration into compact electronic assemblies requiring signal transformation.

Feature Summary

Miniature epoxy-potted construction for durable protection
Printed circuit board mount configuration with pin terminals
Optimized for high-quality magnetic performance in tube applications

Applications

Audio input stage isolation
Line matching circuits
Output transformer stages in push-pull tube circuits
Hi-fi amplifier systems

Procurement Notes

Verify the specific terminal pitch and electrical specifications against the official Hammond Manufacturing datasheet before integration. Confirm that the 150mW power rating and 300Hz-50KHz frequency response align with the target circuit requirements. Ensure compatibility with existing PCB layouts regarding the minimum 0.187-inch pin length and epoxy potting dimensions.

Selection Notes

Select this component when designing audio circuits that require galvanic isolation or impedance matching between stages. It is particularly suitable for vintage audio restoration or designs utilizing vacuum tube output stages. Consider the miniature form factor for space-constrained enclosures where standard transformers are too large.

Part Context

This part belongs to Hammond Manufacturing's line of audio transformers, which are engineered for general-purpose use in audio equipment. The 107D model specifically targets applications needing reliable signal transfer in compact packages. It complements other Hammond components used in professional and consumer audio hardware.