The BZX79B18 A0G is a single Zener diode manufactured by Taiwan Semiconductor.

• Type: Single Zener diode
• Manufacturer: Taiwan Semiconductor
• Mounting: Through-hole
• Package: DO-204AH, DO-35, Axial
• Voltage Tolerance: ±2%
• Maximum Power Rating: 500 mW
• Forward Voltage: 1.5 V @ 100 mA
• Reverse Leakage Current: 12.6 mA @ 50 mV
• Nominal Zener Voltage: 18 V
• Maximum Impedance: 45 Ohms
• Operating Temperature Range: -55°C to 175°C
• Status: Active product
• Category: Discrete Semiconductor Products - Diodes - Zener - Single Zener Diodes
• Package Availability: Tape and box format, with a standard package of 5,000 pcs
• Use: Commonly used in voltage regulation and protection circuits in various electronic devices.