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STA403A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STA403ASK292Yes

STA403A** is a high-performance Class D audio amplifier module manufactured by **SK**.

The STA403A is a high-performance Class D audio amplifier module manufactured by SK.

Specifications:

  • Power Output: 50W per channel (4Ω, THD+N < 10%)
  • Operating Voltage: 10V – 26V DC
  • Efficiency: Up to 90%
  • Signal-to-Noise Ratio (SNR): >95dB
  • Total Harmonic Distortion + Noise (THD+N): <0.1%
  • Frequency Response: 20Hz – 20kHz (±1dB)
  • Input Impedance: 20kΩ
  • Protection Features: Overcurrent, Overtemperature, Undervoltage
  • Dimensions: Compact form factor (exact dimensions may vary)

Descriptions:

The STA403A is a high-efficiency Class D amplifier designed for audio applications requiring high power output with minimal heat dissipation. It is suitable for car audio systems, home theater setups, and portable speakers.

Features:

  • High Efficiency: Minimizes power loss and heat generation.
  • Low Distortion: Ensures clear and accurate sound reproduction.
  • Wide Voltage Range: Compatible with various power supplies.
  • Built-in Protections: Safeguards against electrical faults.
  • Compact Design: Ideal for space-constrained applications.

For exact dimensions, pin configurations, and detailed application notes, refer to the official SK datasheet.

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