500mA 3-TERMINAL POSITIVE VOLTAGE REGULATOR The part AZ78M12DTR-E1 is a voltage regulator manufactured by Diodes Incorporated. It is a 12V positive voltage regulator with a fixed output voltage. Key specifications include:

- **Output Voltage:** 12V ±2%
- **Output Current:** 500mA
- **Input Voltage Range:** Up to 30V
- **Dropout Voltage:** 1.5V (typical at full load)
- **Line Regulation:** 0.2% (typical)
- **Load Regulation:** 0.4% (typical)
- **Operating Temperature Range:** -40°C to +125°C
- **Package:** SOT-223 (4-pin)
- **Features:** Overcurrent protection, thermal shutdown, and short-circuit protection
- **Applications:** Power management for consumer electronics, industrial equipment, and automotive systems. 

The device is RoHS compliant and halogen-free.