PCB Mount 2207 Permalloy Audio Transformer 600:600 10K:10K 10K:600
PCB Mount 2207 Permalloy Audio Transformer 600:600 10K:10K 10K:600
1.Product Description
The PCB Mount 2207 Permalloy Audio Transformer is a specialized component designed for audio applications. With a permalloy core, it offers excellent magnetic properties, such as high magnetic permeability and low magnetic hysteresis. This enables it to efficiently transfer audio signals with minimal distortion, ensuring high - quality sound reproduction. The PCB - mount design allows for easy integration onto printed circuit boards, making it convenient for use in various audio - related electronic devices, like amplifiers, mixers, and audio processing units. It can effectively isolate circuits, match impedances, and balance or unbalance audio signals, playing a crucial role in optimizing audio performance and enhancing the overall audio experience.
|
NO |
TEST ITEM |
TEST TERMINAL |
LIMIT |
TEST CONDITION |
TEST INSTRUMENT |
|
1 |
INDUCTANCE |
1-3 |
100 H MIN |
100HZ 03V PARALLEL |
CD1063 |
|
4-6 |
6.0H MIN |
100HZ 0.3V PARALLEL |
CD1063 |
||
|
2 |
DCR |
4-6 |
558 OHM+15% |
25C |
CD1063 |
|
3 |
IMPEDANCE |
1-3 |
40 OHM土15% |
25C |
CD1063 |
|
4 |
TURN RATION |
1-3,4-6 |
600 OHM |
1-2,1KHZ,10K,OHM LOAD |
CH3250 |
|
5 |
PRI-SEC |
1-3,4-6 |
4:1+ 2% |
10KHZ 1V |
CH3250 |
2.Features
| Aspect | Characteristics of PCB Mount 2207 Permalloy Audio Transformer |
| Structure | - PCB - Mount Design: Specifically designed for printed - circuit - board mounting. Its compact size and precisely - configured pin layout enable easy integration onto PCBs, saving significant board space. This design is highly suitable for modern, miniaturized audio devices, facilitating a more streamlined and space - efficient circuit design. |
| - Permalloy Core: Utilizes a permalloy core, which has a unique physical structure optimized for efficient magnetic flux transfer. The permalloy's fine - grained magnetic structure contributes to its excellent magnetic properties in audio - frequency applications. | |
| Electrical Performance | - High Magnetic Permeability: Permalloy offers an extremely high magnetic permeability. In the audio frequency range (20Hz - 20kHz), this allows for efficient magnetic coupling, minimizing energy losses during signal transfer. As a result, it can accurately transmit both low - frequency bass and high - frequency treble signals with minimal attenuation, ensuring a flat frequency response across the entire audio spectrum. |
| - Low Hysteresis Loss: Exhibits low magnetic hysteresis loss. This means that when the magnetic field in the core alternates with the audio signal, less energy is wasted in reversing the magnetization of the core. Consequently, the audio signal experiences less distortion, leading to high - fidelity sound reproduction. | |
| - Low Eddy - Current Loss: The permalloy core, along with proper winding techniques, helps to reduce eddy - current losses. Eddy currents can cause heating and power dissipation in the core. By minimizing these losses, the transformer can operate more efficiently, especially during long - term use in audio equipment. | |
| Function | - Audio Signal Isolation: Effectively isolates different parts of the audio circuit. This isolation prevents electrical interference from one section of the circuit from affecting others, ensuring a clean and pure audio signal. For example, it can separate the input and output stages of an audio amplifier, protecting the sensitive input from potential noise or interference from the high - power output stage. |
| - Impedance Matching: Can match the impedance between different audio components. Proper impedance matching is crucial for maximizing the power transfer between devices, such as between a microphone and a pre - amplifier or between an amplifier and a speaker. By adjusting the turns ratio of the transformer windings, it can transform the impedance to an optimal value for efficient signal transfer. | |
| - Balanced/Unbalanced Conversion: Capable of converting between balanced and unbalanced audio signals. This is important as many audio devices use either balanced or unbalanced connections. The transformer allows for seamless integration of different types of equipment, enhancing the flexibility and compatibility of audio systems. |
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