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Brand: FERRTX
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Audio Frequency Transformer
The Audio Frequency Transformer AT Series delivers precision signal coupling for low-frequency audio applications. Engineered with metric sizing and vacuum encapsulation, these Transformers ensure exceptional dielectric strength (+1000VAC tested) while maintaining impedance stability within ±10% at 1kHz. Fully RoHS-compliant and UL-certified, they offer ultra-low distortion (0.015% typ.) for critical audio paths. Ideal for integration with Power Converters and EMC Filters, they minimize electromagnetic interference in compact designs.
High Isolation: 4600 Vrms/1 min (P/S)
Low Distortion: ≤0.1% at 1kHz
Wide Temp Range: -40°C to +85°C storage
Center-Tapped Windings: Flexible configurations (1:1, 10K:600Ω, etc.)
SMT & THM Mounting: 7.3mm max height for space-constrained PCB layouts
RoHS/Lead-Free
Applications
Telecom & Modems: Line matching for V.32 modems, PCMCIA cards.
Audio Isolation: Coupling/isolating stages in preamps, mixers.
Alarm Systems: Signal integrity for Sensor-based security networks.
Power Converters: Voltage adaptation in DC-DC circuits.
EMC Filters: Noise suppression alongside RF Inductors.
Instrumentation: Precision measurement devices.
FAQ
Q: Can these handle high-voltage industrial environments?A: Yes, dielectric strength exceeds +1000VAC (core-to-pin) and 4600Vrms (P/S).
Q: Are custom impedance ratios supported?
A: Custom designs available for specialized Transformers (e.g., 1.2K:8Ω).
Q: How do they compare to Power Inductors?
A: Optimized for 200Hz–10kHz audio bands (not power conversion), with lower DCR and distortion.
Pair with EMC Filters for noise-sensitive telecom designs.
Combine with RF Inductors in broadband signal chains.
Use Low Frequency Transformers for sub-20kHz power conditioning.
Series in this family
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