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A-67J is listed in the Audio Transformers range at ChipApex. The manufacturer field lists Triad Magnetics. Its product description is XFMR 600 150/150 / 600 150/150. Review the specifications below when checking this part for your BOM.
Audio Transformers specifications for A-67J
- Description：XFMR 600 150/150 / 600 150/150
- Series：J
- Mfr：Triad Magnetics
- Package：Bulk
- Mounting Type：Chassis Mount
- Size / Dimension：-
- Height - Seated (Max)：-
- Termination Style：Wire Leads
- Turns Ratio - Primary:Secondary：1:01
- Impedance - Primary (Ohms)：600, 150/150
- Impedance - Secondary (Ohms)：600, 150/150
- DC Resistance (DCR) - Primary：43.8Ohm
- DC Resistance (DCR) - Secondary：44.1Ohm
- Transformer Type：Impedance Matching
- Frequency Range：30Hz ~ 15kHz
- Frequency Response：±3dB
- Voltage - Isolation：-
- Insertion Loss：-
- Return Loss：-
- Power Level：50mW
- Operating Temperature：-
- Approval Agency：-
Audio Transformers datasheet and documents for A-67J
Audio Transformers Overview
The Triad Magnetics A-67J is an audio interstage transformer designed for impedance matching in high-fidelity and broadcast applications. It features a 1:1 turns ratio with primary impedances of 600 ohms center-tapped to 150 ohms on both sides. The device operates within a frequency range of 30 Hz to 15,000 Hz with a tolerance of ±3dB. Key electrical specifications include a power rating of 50 mW, a primary DC resistance of 43.8 Ohms, and a secondary DC resistance of 44.1 Ohms. The unit supports an operating temperature range from 0°C to +70°C.
Audio Transformers Feature Summary
- Mu-Metal case construction provides magnetic shielding for signal integrity
- Single-hole mounting design allows rotational adjustment for optimal positioning
- Impedance matching capability between balanced line inputs and outputs
Audio Transformers Applications
- High-fidelity audio amplifier interstage coupling
- Broadcast equipment signal transformation
- Balanced-to-balanced line interfacing
Audio Transformers Procurement Notes
Verify RoHS compliance status through official manufacturer documentation prior to integration. Confirm that the specific ordering suffix matches the required impedance configuration and mounting style. Ensure that the thermal operating limits align with the final enclosure design constraints. Cross-reference datasheet parameters against schematic requirements to guarantee compatibility with existing circuit topology.
Audio Transformers Selection Notes
Select this component when balanced line isolation and precise impedance matching are required without gain alteration. The Mu-Metal shielding makes it suitable for environments with high electromagnetic interference. Consider the physical dimensions and single-hole mounting requirement during PCB layout or chassis design phases to ensure proper mechanical fit.
Audio Transformers Part Context
The A-67J belongs to Triad Magnetics' J Series, which focuses on flexibility for amplifier designs exceeding broadcast standards. This series utilizes durable construction methods to maintain performance in demanding audio environments. The component serves as a critical interface element for maintaining signal fidelity in professional audio processing chains.
Audio Transformers Replacement Considerations
Direct substitutes must match the 600CT/150-600CT/150 impedance specification and 1:1 ratio. Verify that alternative components offer comparable Mu-Metal shielding and similar DC resistance values to prevent signal degradation.
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