2.8V 1/2 Watt Zener Diode (NTE5003A) – DO-35 Package

Reliable 2.8V Zener Diode for Voltage Regulation

The NTE5003A is a high-quality 2.8V 1/2 watt Zener diode designed for precision voltage regulation and circuit protection applications. Rated at 500mW, this through-hole device is constructed in an industry-standard DO-35 glass package for convenient integration into PC board layouts and breadboards.

Features and Technical Specifications

• Nominal Zener Voltage: 2.8V
• Power Dissipation: 1/2 Watt (500mW)
• Package Type: DO-35 (Axial Leaded, Through Hole)
• Quantity Per Package: 1

Applications of the NTE5003A 2.8V 500mW Zener Diode

This 2.8V Zener diode is ideal for designing voltage reference circuits, providing overvoltage protection, and ensuring stable operation of sensitive analog and digital components. Suitable for use in power supplies, test and measurement equipment, and a broad range of electronic circuits requiring reliable voltage regulation.

Installation and Usage

The NTE5003A is a through-hole component and can be easily inserted into any standard PCB or prototyping board. For optimal performance, ensure the diode operates within its rated power dissipation of 500mW and with appropriate airflow or heat sinking if required.

The NTE5003A designation is noted for easy sourcing and cross-referencing with equivalent Zener diodes in legacy designs.

This part is the equivalent replacement for the following:

103-279-03, 157-289(MAG-ZENER), 1N5224, 1N5224A, 1N5224B, 1N5671A, 1N5840, 1N5840A, 1N5840B, 233991, 2339991, 23399911, 264P501040, 2A43, 46-861397-3, 4822-130-30834, 482213030834, 530157-280, 530157-289, 5322-130-34048, 532213034048, .5M2.8ZS10, .5M2.8ZS5, 810052-000, 87-027-406-01, 9331-321-30112, 933132130112, A7115615, BZ102-2V8, BZX75C2V8, CXL5003, ECG5003, ECG5003A, ED0111, ED0147, EW16X190, HZ3A3, HZ3ALL, MA1028L, MTZJ2.7B (Minor mechanical difference exists, but device will fit most applications.), NTE5003A, SK2A8, SK2A8/5003A, SK3769, SK3769/5003A, TM5003A, WEP1403