🎵 The UM66T19LK is a compact musical sound IC that plays a melody when powered. Manufactured by UTC, it is commonly used in toys, doorbells, greeting cards, and educational electronics. The chip contains a built-in melody stored in its internal memory and operates at a low voltage. It is simple to use without any programming or complex circuitry required.
- ✅ Specifications:
- IC Type: Musical Tone Generator
- Model Number: UM66T19LK
- Manufacturer: UTC
- Operating Voltage: 1.5V – 4.5V
- Output Type: Pulse (PWM) for driving transistor or amplifier
- Operating Current: ~0.3mA
- Pin Count: 3 pins
- Package Type: TO-92
- Sound Content: Built-in melody (simple tune or known tone)
- Operating Temperature: -10°C to +60°C
🔹 Key Features:
✔️ Low-voltage operation – suitable for portable circuits
✔️ No programming needed – ready to use
✔️ Compact and easy to integrate
✔️ Ultra-low power consumption
✔️ Clear audio output with a simple amplifier
📌 Common Applications:
- Electronic doorbells
- Musical toys
- Educational kits (Arduino / STEM)
- Musical greeting cards
- Simple melodic alerts
🔸 Product Weight:
Product Weight: 1g