1N4743A, 13V Zener Diode, 1W, DO-41

The 1N4743A is a 13V Zener diode designed for voltage regulation, reference, and transient suppression. With a 1-watt power rating and tight voltage tolerance, it is ideal for low to medium power applications in power supplies, analog and digital circuits, and industrial control systems. Its robust DO-41 glass package ensures high reliability even under thermal and mechanical stress.

Key Features:

• Stable 13V Regulation: Provides reliable voltage reference and clamping at 13V ±5%.
• 1W Power Dissipation: Suitable for general-purpose voltage regulation and protection.
• Glass Passivated Junction: Enhances reliability over a wide temperature range.
• Low Leakage Current: Improves circuit efficiency with minimal standby loss.
• High Surge Capability: Designed to absorb transient energy without degradation.
• DO-41 Axial Package: Simple through-hole mounting for a wide range of PCB designs.

Additional Specifications:

• Mounting Style: Through Hole
• Zener Voltage (Vz): 13V
• Power Dissipation: 1W
• Reverse Current (Ir): <=0.5µA At 9.9V
• Zener Impedance (Zz): 38.5Ma
• Operating Temperature Range: -65+200°C
• Dimensions: 5.2x2.7x25Mm