Description
📦 Description:
The ST 78M05 is a high-quality 3-terminal positive 5V linear voltage regulator from STMicroelectronics. It delivers up to 500mA of regulated output current and features built-in thermal shutdown, short-circuit protection, and overload protection, making it suitable for various electronics and embedded systems.
The TO-220 package ensures good heat dissipation and easy mounting on heatsinks. Whether you’re building power supplies, Arduino-based systems, or logic-level devices, this IC is a reliable choice for regulated 5V output from higher voltage DC sources like 9V or 12V.
🧊 Note:
For optimal performance, use with a recommended heatsink and thermal pad for better heat dissipation during continuous or higher load operations.
Product colour may vary slightly depending on batch and availability. Functionality remains the same. (Refer to the product image for illustration only. For exact specifications, please check the datasheet.)
✅ Key Features:
Output Voltage: Fixed +5V
Max Output Current: 500mA
Input Voltage Range: 7V – 35V
Package Type: TO-220 (3-pin)
Protections: Thermal shutdown, short-circuit, current limiting
Stable operation with external capacitors
⚙️ Applications:
Regulated 5V DC power supply
Arduino and Raspberry Pi peripherals
Robotics and sensor interfacing
Microcontroller power systems
Linear power supplies and audio circuits
Hobbyist and DIY electronics
📐 Approx Dimensions (TO-220 Package):
Height: ~15 mm (body), ~27 mm incl. leads
Width: ~10 mm
Lead Pitch: 2.54 mm
Mounting Hole: Yes (for heatsink use)
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