146H

Overview

The Hammond Manufacturing 146H is an open-type audio transformer designed for chassis mounting. It features a primary impedance of 500 Ohms center-tapped and a secondary impedance of 3.2 Ohms. The unit supports a power level of 700mW with a bias current of 12mA. Frequency response spans from 150Hz to 15kHz, maintaining a ±1dB tolerance. Physical dimensions are 41.40mm in length, 22.35mm in width, and 20.57mm in maximum installation height. The component utilizes wire lead termination and weighs approximately 14.06 grams.

Feature Summary

• Designed for push-pull output applications in audio circuits
• Open construction type suitable for direct chassis integration
• Center-tapped primary winding configuration

Applications

• Push-pull output stage transformers
• Audio equipment chassis mounting
• Industrial audio signal processing

Procurement Notes

Verify the specific part number against official Hammond Manufacturing documentation to confirm electrical parameters such as impedance and frequency range. Ensure that the required bias current and power handling capabilities align with the target circuit design specifications before finalizing procurement decisions.

Selection Notes

Select this component when a chassis-mounted audio transformer with a 500-ohm center-tapped primary and 3.2-ohm secondary is required. Consider the physical dimensions and open construction style for compatibility with existing enclosure designs and thermal requirements.

Part Context

This model belongs to the Hammond Manufacturing 146 series of audio transformers. These components are engineered for robust performance in industrial and commercial audio environments, offering reliable signal transformation within specified frequency and power limits.

Replacement Considerations

Consult official Hammond Manufacturing cross-reference lists for verified substitute part numbers. Do not assume interchangeability based on generic specifications alone.