78M05 SMD Voltage Regulator
The 78M05 SMD Voltage Regulator is a space-saving, surface-mount version of the traditional 7805 series, offering a regulated +5V DC output for low- to medium-power applications. It is widely used in compact embedded devices, IoT modules, and consumer electronics, where board space and thermal management are key considerations.
Built with thermal shutdown, short-circuit protection, and safe operating area protection, the 78M05 provides reliable voltage regulation in tight board layouts. Its efficient design makes it a popular choice in SMD PCB assembly and modern power distribution systems.
🛠 Technical Details
| Specification | Details |
|---|---|
| Output Voltage | +5V (Fixed) |
| Input Voltage Range | 7V – 20V |
| Max Output Current | 500mA |
| Voltage Regulator Type | Positive Linear |
| Package Type | SOT-223 (or similar SMD) |
| Dropout Voltage | ~2V |
| Internal Protections | Overtemperature, Short-Circuit |
| Output Voltage Tolerance | ±2% |
| Operating Temp Range | -40°C to +125°C |
💡 Use Cases & Applications
-
🔋 Embedded Controllers
Ideal for delivering clean 5V power to microcontrollers like Raspberry Pi modules or NodeMCU boards. -
📡 IoT & Wireless Modules
Ensures stable power supply for WiFi, BLE, and Zigbee modules in smart devices. -
🛠️ Consumer Electronics
Common in DVD players, power adapters, and other compact gadgets requiring regulated voltage. -
🧠 Robotics & Automation
Powers sensors and logic circuits in small robotics projects with limited board space. -
🎓 SMD-Based Learning Kits
Featured in Electronics Components used in university-level SMD design and testing.
🛠️ Pair With
🎥 YouTube Tutorial
📺 SMD Voltage Regulator Basics & Soldering Tips
👉 Watch Video Tutorial
⚠️ Precautions & Tips
-
⚡ Ensure the input voltage is at least 2V higher than the output for proper regulation.
-
🔥 Use thermal pads or vias on PCB for better heat dissipation.
-
🔍 Add decoupling capacitors (0.33µF input, 0.1µF output) for stable operation.
-
❌ Avoid overload; it may trigger thermal or current protection.
🏁 Summary & Call-to-Action
Compact and reliable, the 78M05 SMD Voltage Regulator is your go-to solution for low-profile 5V regulation in modern electronics. A must-have for space-constrained, efficient circuit designs.
👉 Buy now at Electroway and power your projects with quality components delivered fast.
Reviews
There are no reviews yet.