This pack includes 22 pieces of 1N4733A Zener diodes in the DO412 axial package. The 1N4733A is a silicon Zener diode with a nominal Zener voltage of 5.1 V and a 1 W power rating, designed for reliable, economyoriented voltage regulation and reference applications. Key benefits Provides a stable 5.1 V reference in lowtomoderate power circuits, improving regulation and predictability. Simple, costeffective solution for voltage regulation and clamping in a compact axial package. Readytouse quantity for multiple boards or projects, reducing reordering needs. Standard DO412 form factor ensures compatibility with common boards and prototyping kits. Key attributes Model: 1N4733A Type: Zener diode (silicon) Zener voltage: 5.1 V (nominal) Power rating: 1 W Package: DO412 axial diode Tolerance: ±5% Quantity: 22 pieces Configuration: unidirectional Zener with standard axial leads Functionality and performance Delivers a stable breakdown voltage around 5.1 V for voltage regulation, reference generation, and circuit clamping in powered designs. Suitable for use in lowtomoderate current applications that require a fixed reference or regulation point. Compatible with common power supply designs and signalprocessing circuits that rely on a fixed reference voltage. Compatibility and size DO412 axial package fits standard board layouts and breadboardfriendly assemblies. Suitable for inclusion in power supplies, reference circuits, and protection/clamping stages that need a 5.1 V reference. Made from silicon, with characteristics aligned to typical 1N4733A specifications and tolerances. Use cases and applications Voltage regulation in simple linear power supplies: establish a stable 5.1 V reference for downstream regulation stages. Reference voltage in analog/digital circuits: provide a fixed reference point for ADCs, comparators, and voltage reference networks. Clamping and protection in signal paths: limit excursion voltages in circuits sensitive to overvoltage, protecting downstream components. Notes Ensure proper current limiting in your design to keep the diode within its specified operating region. This listing reflects 22 pieces of 1N4733A in DO412 packaging; verify your project needs and or supplement as required.