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Product Detailed Parameters
- Description：AUDIO XFMR 500CT / 600 TH
- Series：Red-Spec
- Mfr：Triad Magnetics
- Package：Bulk
- Mounting Type：Through Hole
- Size / Dimension：0.410" L x 0.310" W (10.41mm x 7.87mm)
- Height - Seated (Max)：0.465" (11.80mm)
- Termination Style：PC Pin
- Turns Ratio - Primary:Secondary：01:01.1
- Impedance - Primary (Ohms)：500CT
- Impedance - Secondary (Ohms)：600
- DC Resistance (DCR) - Primary：67Ohm
- DC Resistance (DCR) - Secondary：98Ohm
- Transformer Type：Audio Coupling
- Frequency Range：300Hz ~ 100kHz
- Frequency Response：±2dB
- Voltage - Isolation：1000VRMS @ 1 Second
- Insertion Loss：-
- Return Loss：-
- Power Level：50mW
- Operating Temperature：-40°C ~ 85°C
- Approval Agency：-
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Overview
The Triad Magnetics SP-50 is an audio transformer designed for through-hole mounting. It features a primary impedance of 500CT ohms and a secondary impedance of 600 ohms, with a turns ratio of approximately 1:1.1. The device operates within a frequency range of 300Hz to 100kHz and supports a power rating of 50mW. Key electrical specifications include a primary DC resistance of 67 ohms and a secondary DC resistance of 95 ohms. The unit provides isolation voltage of 500VRMS at 30 seconds and functions within a temperature range of -20°C to 85°C.
Feature Summary
- Precision-spaced plug-in terminals facilitate fixed mounting centers for reliable installation.
- High reliability construction characterizes the Red Spec Series design.
- Through-hole termination style ensures secure PCB integration.
Applications
- Audio signal coupling
- Impedance matching in audio circuits
- Signal isolation in professional audio equipment
Procurement Notes
Verify that the replacement component matches the specific primary impedance of 500CT and secondary impedance of 600 ohms. Confirm that the physical dimensions and pin spacing are compatible with the existing board layout. Ensure the new transformer meets the required power handling capacity of 50mW and operates within the specified frequency range of 300Hz to 100kHz for proper signal integrity.
Selection Notes
Select this component when a 500CT to 600 ohm audio transformer is required for through-hole applications. Consider the physical size constraints, as the unit measures 0.409 inches in length and 0.310 inches in width. Verify that the operating temperature range of -20°C to 85°C aligns with the environmental conditions of the target application. Check if the ±2dB frequency response specification meets the audio fidelity requirements.
Part Context
The SP-50 belongs to the Red Spec Series from Triad Magnetics, known for high-reliability audio transformers. This series utilizes precision manufacturing techniques to ensure consistent performance across units. The component is part of a broader lineup of audio transformers designed for various impedance matching and signal coupling needs in electronic systems.
Replacement Considerations
The Triad Magnetics MET-37 is documented as a similar substitute part number. When replacing, verify that the MET-37's primary impedance of 500CT and secondary impedance of 600 ohms match the original circuit requirements. Ensure the physical footprint and pin configuration are compatible with the existing assembly.
