7824CT 24V Linear Voltage Regulator (TO-220)

7824CT 24V Linear Voltage Regulator (TO-220) – Technical Specifications:

Module Type – Fixed Linear Voltage Regulator
Output Voltage – 24V DC (Fixed)
Input Voltage – 27V to 40V DC (Recommended range)
Output Current – Up to 1A (with proper heatsinking)
Voltage Dropout – ~2V (typical)
Regulation Type – Positive Voltage Regulator
Package Type – TO-220
Output Tolerance – ±4%
Quiescent Current – ~5–8mA
Protection Features – Thermal Shutdown, Short-Circuit Protection, Safe Area Protection
Operating Temperature – 0°C to +125°C (junction)
Mounting Type – Through-Hole
Pin Configuration – IN (Input), GND (Ground), OUT (Output)
Series – 78xx Standard Linear Regulator Family
Compatible Applications – Power supplies, embedded systems, analog circuits, industrial control

Handy Tips for Using the 7824CT Voltage Regulator:

1: The 7824CT provides a stable fixed 24V output, but requires the input voltage to be at least ~2V higher than the output (typically 26–30V minimum under load). Supplying less than this will result in unstable or reduced output voltage.

2: This is a linear regulator, meaning it dissipates excess voltage as heat. For example, dropping from 30V to 24V at 1A will generate significant heat. Always use a heatsink when drawing moderate to high current.

3: To ensure stable operation, always include input and output capacitors:

• Input: ~0.33µF (ceramic)
• Output: ~0.1µF to 1µF (ceramic or electrolytic)
  These reduce noise and prevent oscillation.

4: The regulator includes built-in protection features, including thermal shutdown and short-circuit protection, but these should not be relied on for normal operation — proper design and heat management are still essential.

5: The TO-220 package allows easy mounting to a heatsink — use thermal paste and an insulating kit if mounting to grounded metal surfaces to avoid electrical shorts.

6: This IC is ideal for clean, low-noise 24V rails, but not efficient for large voltage drops. For higher efficiency power conversion, consider using a DC-DC buck converter instead.