Positive Voltage Regulator 18V-7818

Product Overview

The 7818 Positive Voltage Regulator (18V, 1.5A) is a linear voltage regulator designed to provide a stable 18V output for various electronic circuits. With built-in thermal shutdown, current limiting, and safe-area protection, this regulator ensures reliable operation and prevents damage from overheating or excessive current. Ideal for power supply applications, the 7818 is widely used in industrial, automotive, and consumer electronics.

Key Features:

• Fixed 18V Output – Provides a stable and regulated voltage.
• 1.5A Output Current – Supports moderate power applications.
• Thermal Overload Protection – Prevents damage due to overheating.
• Short-Circuit Protection – Ensures safe operation under fault conditions.
• High Efficiency & Low Noise – Delivers clean and stable power.
• Wide Input Voltage Range – Operates efficiently in various power setups.
• Compact TO-220 Package – Easy to integrate into PCB designs.

Technical Specifications:

• Model: 7818 Voltage Regulator
• Output Voltage: 18V DC
• Output Current: Up to 1.5A
• Input Voltage Range: 20V – 35V DC
• Dropout Voltage: ~2V
• Load Regulation: 50mV (typical)
• Line Regulation: 3mV/V (typical)
• Quiescent Current: ~6mA
• Protection Features: Thermal shutdown, current limiting, short-circuit protection
• Package Type: TO-220 (3-pin)
• Operating Temperature: -40°C to 125°C

Applications:

• Power Supply Modules – Used for stable voltage regulation in circuits.
• Industrial & Automotive Electronics – Provides consistent power in harsh environments.
• Embedded Systems & Microcontrollers – Ensures reliable power for sensitive components.
• DIY & Hobby Electronics – Ideal for custom circuit designs.
• Battery-Powered Devices – Maintains stable voltage output for efficient performance.

Why Choose the 7818 Voltage Regulator?

With its high reliability, thermal protection, and stable 18V output, the 7818 Voltage Regulator is a trusted choice for engineers, hobbyists, and professionals looking for an efficient power regulation solution.