102H

Overview

The Hammond Manufacturing 102H is a miniature audio transformer designed for signal coupling and impedance matching in low-power audio circuits. It features a single-channel configuration with a primary impedance of 2 kOhms and a secondary impedance of 500 Ohms. The unit utilizes through-hole mounting with PC pin termination and measures 0.57 inches in length. This component is engineered for general-purpose applications and serves as a replacement in push-pull tube output circuits, providing high-quality magnetics suitable for hi-fi and tube-based audio equipment.

Feature Summary

• Designed for signal coupling and impedance matching in low-power audio circuits
• Suitable for general-purpose use and replacement in push-pull tube output circuits
• Features high-quality magnetics optimized for tube applications such as hi-fi systems

Applications

• Signal coupling in low-power audio circuits
• Impedance matching in push-pull tube output circuits
• Hi-fi and tube-based audio equipment

Procurement Notes

Verify the specific part number against official Hammond Manufacturing documentation to confirm electrical parameters, including primary and secondary impedances. Ensure compatibility with existing circuit designs regarding mounting style and physical dimensions. Cross-reference datasheets for any updates on material composition or compliance standards before finalizing procurement decisions.

Selection Notes

Select this component when designing or repairing audio circuits requiring specific impedance transformation between 2 kOhms and 500 Ohms. Consider its suitability for through-hole assembly and its application in tube-based amplifiers. Evaluate physical space constraints against its miniature form factor and ensure it meets the thermal and power requirements of the target audio application.

Part Context

This component belongs to the family of miniature audio transformers manufactured by Hammond Manufacturing. These devices are typically used in specialized audio electronics where precise impedance matching and signal integrity are critical. The product line supports various audio engineering needs, particularly in vintage or high-fidelity reproduction contexts involving vacuum tube technology.

Replacement Considerations

The Hammond 102H may serve as a direct replacement for similar miniature audio transformers in push-pull tube circuits. Verify that substitute components match the 2 kOhm primary and 500 Ohm secondary impedance values. Ensure physical dimensions and terminal configurations are compatible with the original board layout.