AMS1117-3.3V 1A SOT-223 Voltage Regulator IC (SMD)
Product Description
The AMS1117-3.3V is a low-dropout linear voltage regulator designed to provide a stable 3.3V output from a higher input voltage. It supports up to 1A output current, making it ideal for powering microcontrollers, sensors, wireless modules, and embedded systems.
The regulator comes in a compact SOT-223 surface mount package, offering reliable performance and efficient heat dissipation for PCB designs.
Key Features
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Fixed 3.3V Output
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Maximum Output Current: 1A
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Low Dropout Voltage
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Built-in Thermal Protection
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Short Circuit Protection
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SOT-223 SMD Package
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Stable output for 3.3V electronics
Specifications
| Parameter | Value |
|---|---|
| Model | AMS1117-3.3 |
| Output Voltage | 3.3V |
| Maximum Output Current | 1A |
| Input Voltage | 4.5V – 12V |
| Dropout Voltage | ~1.1V |
| Package Type | SOT-223 |
| Mounting Type | SMD |
| Operating Temperature | −40°C to +125°C |
Applications
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Arduino projects
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ESP8266 / ESP32 power supply
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Sensors and communication modules
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Embedded electronics
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DIY electronics projects
Package Includes
1 × AMS1117-3.3V Voltage Regulator IC (SMD)





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