The TDA Series 5-Pin TO-220 Audio Amplifier ICs are designed for high-fidelity, low-distortion sound amplification in consumer and DIY electronics.
These ICs offer a perfect balance of power, efficiency, and stability — ideal for stereo amplifiers, speakers, car audio systems, and portable sound projects.
With their robust TO-220 package and thermal protection, TDA ICs ensure durability and consistent performance, making them a popular choice among audio engineers and hobbyists.
Common variants include TDA2003, TDA2030, TDA2050, and TDA2040, each optimized for different power outputs and voltage ranges.
Key Features:
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5-Pin TO-220 Package for easy mounting and heat dissipation
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Wide supply voltage range (typically 6V to 36V depending on model)
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Built-in short circuit and thermal overload protection
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Low harmonic distortion for high-quality sound
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High power output (8W to 35W depending on variant)
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Ideal for mono and stereo audio amplification
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Compact, durable design for DIY or professional use
Technical Specifications:
| Parameter | Specification |
|---|---|
| Package Type | TO-220 (5 Pin) |
| Voltage Range | 6V to 36V (varies by model) |
| Output Power | 8W–35W |
| Frequency Response | 20Hz – 20kHz |
| Total Harmonic Distortion | ≤ 0.1% |
| Load Impedance | 4Ω – 8Ω |
| Integrated Protection | Short-circuit & Thermal |
| Pin Count | 5 Pins |
| Mounting Type | Through-Hole (THT) |
Available Variants:
| Model | Output Power | Supply Voltage | Application |
|---|---|---|---|
| TDA2003 | 10W | 8–18V | Car audio systems |
| TDA2030 | 14W | 9–24V | General audio amplifiers |
| TDA2040 | 20W | 9–32V | Home audio, Hi-Fi systems |
| TDA2050 | 32W | 9–36V | High-power amplifiers |
Applications:
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DIY Audio Amplifier Projects
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Car Audio Systems
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Portable Speaker Circuits
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Home Stereo Systems
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Signal Amplification Circuits
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Educational Electronics Kits