(Pack of 5) 1N4738 – 8.2V 1W Zener Diode

(Pack of 5) 1N4738 – 8.2V 1W Zener Diode 

The 1N4738 is an 8.2-volt, 1-watt Zener diode designed for voltage regulation in electronic circuits. It operates in the reverse-biased Zener breakdown region to maintain a stable reference voltage. This diode is commonly used in power supplies, voltage reference circuits, protection circuits, and signal conditioning applications. It comes in a DO-41 axial lead package, making it suitable for both prototyping and production use.

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Key Features

• Zener Voltage (Vz): 8.2V at the specified test current
• Power Dissipation: 1W
• Test Current (Iz): Typically around 30mA
• Package: DO-41 axial
• Tolerance: Usually ±5% (depending on manufacturer)
• Low dynamic impedance for better voltage regulation
• Reliable and cost-effective component for general-purpose voltage stabilization
• Wide operating temperature range

Applications

• Voltage Regulation: Provides a stable 8.2V reference for analog and digital circuits
• Power Supplies: Used for low-power regulated outputs
• Over-Voltage Protection: Clamps voltage spikes in sensitive circuits
• Waveform Clipping: Used in signal shaping and protection
• Microcontroller Input Protection: Prevents high-voltage damage
• Reference Circuits: Provides fixed reference for comparator or ADC circuits

Zener Diode Datasheet