SP-29-B

Audio Transformers Overview

The Triad Magnetics SP-29-B is an encapsulated audio transformer belonging to the Red Spec Series. It features a dual primary winding rated for 1 mA current and offers two impedance options: 10 kohm and 500 ohm. The unit has a power rating of 50 mW (1/20 W) and operates within a frequency range of 300 Hz to 100,000 Hz. Designed for through-hole mounting, it utilizes a DIP-6P package with dimensions of 10.4 mm by 7.9 mm. The component supports an operating temperature range from -40°C to 85°C.

Audio Transformers Feature Summary

• Encapsulated construction for durability
• Dual primary winding configuration
• Through-hole mounting style

Audio Transformers Applications

• Audio signal coupling
• Impedance matching in audio circuits
• Vacuum tube amplifier stages

Audio Transformers Procurement Notes

Verify the specific impedance variant required, as the series includes both 10 kohm and 500 ohm options. Confirm that the through-hole DIP-6P package aligns with the target PCB layout. Ensure the operating temperature range meets the environmental requirements of the final assembly. Cross-reference the manufacturer's datasheet for precise pinout details before integration.

Audio Transformers Selection Notes

Select this component when a small-form-factor audio transformer is needed for vacuum tube or high-impedance applications. The dual primary design allows flexibility in circuit topology. Consider the 50 mW power rating to ensure it matches the signal levels of the application. The wide frequency response supports standard audio bandwidths up to ultrasonic frequencies.

Audio Transformers Part Context

This part belongs to the Triad Magnetics Red Spec Series, which focuses on audio transformers. The SP-29 model line provides encapsulated units suitable for various audio equipment. The SP-29-B designation specifies the particular impedance and packaging configuration within this family.

Audio Transformers Replacement Considerations

Check for direct equivalents in the same series with identical pinouts and electrical characteristics. Verify that substitute components maintain the same encapsulation type and mounting style to fit existing board designs without modification.

Audio Transformers FAQ

What are the available impedance options for the SP-29-B?

The series offers 10 kohm and 500 ohm impedance variants.

What is the frequency response range?

The transformer operates effectively between 300 Hz and 100,000 Hz.