13V 1/2W Zener Diode

The 13V 1/2W Zener Diode is a reliable electronic component used for voltage regulation and protection in low-power electronic circuits. When reverse-biased and operated in its Zener breakdown region, it maintains a nearly constant voltage of 13 volts, making it suitable as a reference or clamp voltage.

This Zener diode is commonly used in power supply circuits, voltage reference designs, signal conditioning circuits, and over-voltage protection applications. It helps protect sensitive components by limiting excessive voltage and stabilizing fluctuating supply levels.

With a 0.5-watt power dissipation rating, the diode is intended for low-current applications where efficient voltage control is required without significant heat buildup. The through-hole package allows easy use on PCBs, breadboards, and prototype boards, making it popular for DIY electronics, repair work, and educational projects.

For safe operation, a current-limiting resistor should always be used with the Zener diode to prevent overcurrent and ensure long-term reliability.

Key Technical Specifications Datasheet Snapshot

• Zener voltage: 13 V

• Power dissipation: 0.5 W (1/2W)

• Reverse breakdown voltage regulation

• Through-hole mounting

• Ideal for voltage reference and protection circuits

The 13V 1/2W Zener Diode offers a simple, dependable, and cost-effective solution for voltage stabilization and over-voltage protection in electronic systems.