140H

Overview

The Hammond Manufacturing 140H is a bridging line audio transformer designed for signal level applications. It features an open frame construction with radial pin terminals for PC board mounting. The unit operates within a frequency range of 200 Hz to 15 kHz. Electrical specifications include a primary impedance of 600 Ohms and a secondary impedance of 8 Ohms. The device is configured as a single-channel component.

Feature Summary

• Open frame design suitable for printed circuit board integration
• Radial pin terminal configuration for direct mounting
• Optimized for bridging line signal level transmission

Applications

• Audio signal bridging circuits
• Signal level transformation in audio equipment
• PC board mounted audio interface designs

Procurement Notes

Verify the specific datasheet version to confirm pinout orientation and mechanical footprint compatibility with target PCB layouts. Ensure that the operating environment remains within the specified thermal limits for open-frame components. Cross-reference the manufacturer's latest documentation to validate compliance with current RoHS directives before finalizing procurement orders.

Selection Notes

Select this component when a 600-ohm to 8-ohm impedance match is required for audio bridging applications. Consider the open-frame form factor if chassis mounting is not feasible and direct PCB integration is preferred. Evaluate the radial terminal style against available board space and soldering capabilities to ensure reliable mechanical attachment during assembly.

Part Context

This model belongs to the Hammond Manufacturing series of audio transformers, specifically engineered for professional audio signal processing tasks. The product line emphasizes robust signal integrity and standard impedance matching for legacy and modern audio systems. It serves as a specialized passive component within larger electronic assemblies requiring galvanic isolation or impedance conversion.